prepare release of v1.3.0 (#31)

Ticker ID is user input and may contain literally anything. While this
is properly escaped in the internal query, we should also escape it in
the generated HTML output.

.distignore

@@ -0,0 +1,23 @@
+/.git
+/.github
+/assets
+/bin
+/dist
+/node_modules
+/tests
+/vendor
+/.distignore
+/.drone.yml
+/.eslintrc.json
+/.gitattributes
+/.gitignore
+/.phpunit.result.cache
+/.stylelintrc.json
+/.travis.yml
+/composer.json
+/composer.lock
+/CONTRIBUTING.md
+/package.json
+/package-lock.json
+/phpcs.xml
+/phpunit.xml

.drone.yml

@@ -3,15 +3,26 @@ name: default
 type: docker
 
 steps:
-  - name: pre-build
-    image: composer
+  - name: composer-install
+    image: composer:2
     commands:
-      - composer install
-  - name: test
-    image: composer
+      - composer install --ignore-platform-req=php
+  - name: lint-php
+    image: php:8.2
     commands:
-      - composer test
-  - name: lint
-    image: composer
+      - ./vendor/bin/phpcs
+    depends_on:
+      - composer-install
+  - name: node-install
+    image: node:22
     commands:
-      - composer lint-php
+      - npm install
+  - name: lint-assets
+    image: node:22
+    commands:
+      - npx eslint scripts/block.js
+      - npx eslint scripts/liveticker.js
+      - npx stylelint styles/block.css
+      - npx stylelint styles/liveticker.css
+    depends_on:
+      - node-install

.eslintrc.json

@@ -4,13 +4,22 @@
     "browser": true
   },
   "globals": {
-    "sclivetickerAjax": "readonly",
+    "scliveticker": "readonly",
     "wp": "readonly"
   },
   "extends": [
-    "plugin:@wordpress/eslint-plugin/recommended",
-    "plugin:@wordpress/eslint-plugin/es5"
+    "plugin:@wordpress/eslint-plugin/custom",
+    "plugin:@wordpress/eslint-plugin/es5",
+    "plugin:@wordpress/eslint-plugin/i18n"
   ],
+  "rules": {
+    "@wordpress/i18n-text-domain": [
+      "error",
+      {
+        "allowedTextDomain": [ "stklcode-liveticker" ]
+      }
+    ]
+  },
   "overrides": [
     {
       "files": [

.gitattributes

@@ -1,15 +1,20 @@
 /assets export-ignore
-.drone.yml export-ignore
-.eslintrc.json export-ignore
-.gitattributes export-ignore
-.gitignore export-ignore
-.stylelintrc.json export-ignore
-.travis.yml export-ignore
-composer.json export-ignore
-composer.lock export-ignore
-CONTRIBUTING.md export-ignore
-package.json export-ignore
-package-lock.json export-ignore
-phpcs.xml export-ignore
-phpunit.xml export-ignore
-RoboFile.php export-ignore
+/.github            export-ignore
+/.distignore        export-ignore
+/.drone.yml         export-ignore
+/.eslintrc.json     export-ignore
+/.gitattributes     export-ignore
+/.gitignore         export-ignore
+/.stylelintrc.json  export-ignore
+/.travis.yml        export-ignore
+/bin                export-ignore
+/composer.json      export-ignore
+/composer.lock      export-ignore
+/CONTRIBUTING.md    export-ignore
+/dist               export-ignore
+/package.json       export-ignore
+/package-lock.json  export-ignore
+/phpcs.xml          export-ignore
+/phpunit.xml        export-ignore
+/tests              export-ignore
+

.github/workflows/test.yml

@@ -0,0 +1,85 @@
+name: CI
+on: [push, pull_request]
+jobs:
+  integration:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - php: '8.3'
+            wordpress: '6.6'
+          - php: '8.2'
+            wordpress: '6.4'
+          - php: '8.1'
+            wordpress: '6.2'
+          - php: '8.0'
+            wordpress: '6.0'
+          - php: '7.4'
+            wordpress: '5.9'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install SVN
+        run: |
+          if ! command -v svn > /dev/null; then
+            sudo apt-get update
+            sudo apt-get install -y subversion
+          fi
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          coverage: xdebug
+          tools: composer
+      - name: Setup DB
+        run: sudo sudo systemctl start mysql.service
+      - name: Setup WP
+        run: bash bin/install-wp-tests.sh wordpress root root localhost "${{ matrix.wordpress }}"
+      - name: Install
+        run: composer install --no-interaction
+      - name: Test
+        run: composer test
+
+  quality:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.2'
+          tools: composer
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+      - name: Install
+        run: |
+          composer install --no-interaction
+          npm install
+      - name: Code style checks for PHP, JS and CSS
+        run: |
+          composer lint-php
+          composer lint-js
+          composer lint-css
+
+  analysis:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Analyze with SonarCloud
+        if: env.SONAR_TOKEN != ''
+        uses: sonarsource/sonarcloud-github-action@v3
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+        with:
+          args: >
+            -Dsonar.organization=stklcode-github
+            -Dsonar.projectKey=stklcode:wp-liveticker
+            -Dsonar.sources=includes,scripts,views,stklcode-liveticker.php
+            -Dsonar.exclusions=scripts/*.min.js,styles/*.min.css

.github/workflows/wordpress-plugin-asset-update.yml

@@ -0,0 +1,29 @@
+name: Plugin asset/readme update
+on:
+  push:
+    branches:
+      - stable
+jobs:
+  master:
+    name: Push to stable
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.2'
+          tools: composer
+      - name: Install
+        run: composer install --no-interaction
+      - name: Clean README.md
+        run: tail -n +7 README.md > README.md.tmp && mv README.md.tmp README.md
+      - name: WordPress.org plugin asset/readme update
+        uses: 10up/action-wordpress-plugin-asset-update@stable
+        env:
+          SLUG: stklcode-liveticker
+          ASSETS_DIR: assets
+          README_NAME: README.md
+          SVN_PASSWORD: ${{ secrets.WP_SVN_PASSWORD }}
+          SVN_USERNAME: ${{ secrets.WP_SVN_USERNAME }}

.github/workflows/wordpress-plugin-check.yml

@@ -0,0 +1,23 @@
+name: Plugin check
+on:
+  push:
+    branches: [ 'stable', 'release/*' ]
+  pull_request:
+    branches: [ 'stable' ]
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Package plugin
+        run: |
+          mkdir -p ./dist
+          tail -n +7 README.md > README.md.tmp && mv README.md.tmp README.md
+          rsync -rc --exclude-from=.distignore ./ ./dist/stklcode-liveticker --delete --delete-excluded
+
+      - name: Check WP plugin
+        uses: wordpress/plugin-check-action@v1
+        with:
+          build-dir: ./dist/stklcode-liveticker

.github/workflows/wordpress-plugin-deploy.yml

@@ -0,0 +1,29 @@
+name: Deploy to WordPress.org
+on:
+  push:
+    tags:
+      - "v*"
+      - "!v*-*"
+jobs:
+  tag:
+    name: New tag
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.2'
+          tools: composer
+      - name: Install
+        run: composer install --no-interaction
+      - name: Clean README.md
+        run: tail -n +7 README.md > README.md.tmp && mv README.md.tmp README.md
+      - name: WordPress Plugin Deploy
+        uses: 10up/action-wordpress-plugin-deploy@stable
+        env:
+          SLUG: stklcode-liveticker
+          ASSETS_DIR: assets
+          SVN_PASSWORD: ${{ secrets.WP_SVN_PASSWORD }}
+          SVN_USERNAME: ${{ secrets.WP_SVN_USERNAME }}

.gitignore

@@ -1,9 +1,8 @@
-composer.lock
-package-lock.json
 /vendor/
 /node_modules/
 /dist/
-.idea
-.phpunit.result.cache
+/.phpunit.result.cache
+/composer.lock
+/package-lock.json
 **/*.min.css
 **/*.min.js

.stylelintrc.json

@@ -1,3 +1,3 @@
 {
-  "extends": "stylelint-config-wordpress"
+  "extends": "@wordpress/stylelint-config"
 }

.travis.yml

@@ -1,14 +0,0 @@
-language: php
-php:
-- '7.2'
-- '7.3'
-- '7.4'
-before_script:
-- composer install
-- npm install
-script:
-- composer test
-- composer lint-all
-notifications:
-  slack:
-    secure: "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"

README.md

@@ -1,19 +1,19 @@
-[![Build Status](https://travis-ci.org/stklcode/wp-liveticker.svg?branch=master)](https://travis-ci.org/stklcode/wp-liveticker)
-[![Quality Gate](https://sonarcloud.io/api/project_badges/measure?project=de.stklcode.web.wordpress.plugins%3Awp-liveticker&metric=alert_status)](https://sonarcloud.io/dashboard?id=de.stklcode.web.wordpress.plugins%3Awp-liveticker)
+[![CI](https://github.com/stklcode/wp-liveticker/actions/workflows/test.yml/badge.svg?branch=stable)](https://github.com/stklcode/wp-liveticker/actions/workflows/test.yml)
+[![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=stklcode%3Awp-liveticker&metric=alert_status)](https://sonarcloud.io/dashboard?id=stklcode%3Awp-liveticker)
 [![WP Plugin Version](https://img.shields.io/wordpress/plugin/v/stklcode-liveticker.svg)](https://wordpress.org/plugins/stklcode-liveticker/)
 [![Packagist Version](https://img.shields.io/packagist/v/stklcode/stklcode-liveticker.svg)](https://packagist.org/packages/stklcode/stklcode-liveticker)
-[![License](https://img.shields.io/badge/license-GPL%20v2-blue.svg)](https://github.com/stklcode/wp-liveticker/blob/master/LICENSE.md)
+[![License](https://img.shields.io/badge/license-GPL%20v2-blue.svg)](https://github.com/stklcode/wp-liveticker/blob/stable/LICENSE.md)
 
 # Liveticker (by stklcode)
 
-* Contributors:      Stefan Kalscheuer
+* Contributors:      stklcode
 * Tags:              liveticker, feed, rss
-* Requires at least: 4.0
-* Tested up to:      5.4
-* Requires PHP:      5.6
-* Stable tag:        1.1.0
+* Requires at least: 5.0
+* Tested up to:      6.7
+* Requires PHP:      7.2
+* Stable tag:        1.3.0
 * License:           GPLv2 or later
-* License URI:       http://www.gnu.org/licenses/gpl-2.0.html
+* License URI:       https://www.gnu.org/licenses/gpl-2.0.html
 
 A simple ajaxified liveticker plugin for WordPress.
 
@@ -42,8 +42,8 @@ Alternatively you can also use _Copmposer_.
 
 ### Requirements ###
 
-* PHP 5.6 or above
-* WordPress 4.0 or above
+* PHP 7.2 or above
+* WordPress 5.0 or above
 
 ## Frequently asked questions
 
@@ -80,6 +80,38 @@ caching time of 12 hours obviously makes no sense.
 
 ## Changelog
 
+### 1.3.0 - 2025-03-10
+
+* Requires at least PHP 7.2 and WordPress 5.0
+* Sorting direction can now be changed for liveticker blocks
+
+### 1.2.3 - 2025-02-04
+
+* Escape ticker ID in shortcode output
+* Tested with WP 6.7
+
+### 1.2.2 - 2024-03-02
+
+* Update use of deprecated WP core functions
+* Extend output sanitization
+* Tested with WP 6.4
+
+### 1.2.1 - 2022-02-01
+
+* Fix issue with limit in Gutenberg block.
+
+### 1.2.0 - 2022-01-23
+
+* Requires WordPress 4.7 or above
+* Migrated AJAX to REST API
+* Resolved Javascript compatibility issues with IE11
+* Added optional shortcode support for tick content
+* Support embedded JavaScript execution in tick content (e.g. for social media integrations)
+
+### 1.1.1 - 2021-03-20
+
+* "Ticker"  taxonomy name is now translatable
+
 ### 1.1.0 - 2020-05-02
 
 * Requires PHP 5.6 or above

RoboFile.php

@@ -1,527 +0,0 @@
-<?php
-/**
- * Liveticker Robo build script.
- *
- * This file contains the Robo tasks for building a distributable plugin package.
- * Should not be included in final package.
- *
- * @author    Stefan Kalscheuer <stefan@stklcode.de>
- *
- * @package   Liveticker
- * @version   1.0.0
- */
-
-use Robo\Exception\TaskException;
-use Robo\Tasks;
-use Symfony\Component\Finder\Finder;
-
-/**
- * Class RoboFile
- */
-class RoboFile extends Tasks {
-	const PROJECT_NAME = 'stklcode-liveticker';
-	const SVN_URL      = 'https://plugins.svn.wordpress.org/stklcode-liveticker';
-
-	const OPT_TARGET    = 'target';
-	const OPT_SKIPTEST  = 'skipTests';
-	const OPT_SKIPSTYLE = 'skipStyle';
-	const OPT_MINIFY    = 'minify';
-	const OPT_NODE      = 'node';
-
-	/**
-	 * Version tag (read from composer.json).
-	 *
-	 * @var string
-	 */
-	private $version;
-
-	/**
-	 * Target directory path.
-	 *
-	 * @var string
-	 */
-	private $target_dir;
-
-	/**
-	 * Final package name.
-	 *
-	 * @var string
-	 */
-	private $final_name;
-
-	/**
-	 * RoboFile constructor
-	 *
-	 * @param array $opts Options.
-	 *
-	 * @return void
-	 */
-	public function __construct( $opts = array( self::OPT_TARGET => 'dist' ) ) {
-		// Read composer configuration and extract version number..
-		$composer = json_decode( file_get_contents( __DIR__ . '/composer.json' ) );
-		// Extract parameter from options.
-		$this->version    = $composer->version;
-		$this->target_dir = $opts[ self::OPT_TARGET ];
-		$this->final_name = self::PROJECT_NAME . '.' . $this->version;
-	}
-
-	/**
-	 * Clean up target directory
-	 *
-	 * @param array $opts Options.
-	 *
-	 * @return void
-	 */
-	public function clean( $opts = array( self::OPT_TARGET => 'dist' ) ) {
-		$this->say( 'Cleaning target directory...' );
-		if ( is_dir( $this->target_dir . '/' . $this->final_name ) ) {
-			$this->_deleteDir( array( $this->target_dir . '/' . $this->final_name ) );
-		}
-		if ( is_file( $this->target_dir . '/' . $this->final_name . '.zip' ) ) {
-			$this->_remove( $this->target_dir . '/' . $this->final_name . '.zip' );
-		}
-	}
-
-	/**
-	 * Run PHPUnit tests
-	 *
-	 * @return void
-	 */
-	public function test() {
-		$this->say( 'Executing PHPUnit tests...' );
-		$this->taskPhpUnit()->configFile( __DIR__ . '/phpunit.xml' )->run();
-	}
-
-	/**
-	 * Run code style tests
-	 *
-	 * @param array $opts Options.
-	 *
-	 * @return void
-	 */
-	public function testCS(
-		$opts = array(
-			self::OPT_TARGET    => 'dist',
-			self::OPT_SKIPTEST  => false,
-			self::OPT_SKIPSTYLE => false,
-			self::OPT_MINIFY    => true,
-			self::OPT_NODE      => false,
-		)
-	) {
-		$this->say( 'Executing PHPCS...' );
-		$this->_exec( __DIR__ . '/vendor/bin/phpcs --standard=phpcs.xml -s' );
-
-		if ( $opts[ self::OPT_NODE ] ) {
-			$this->say( 'Executing ESLint...' );
-			$this->_exec( __DIR__ . '/node_modules/eslint/bin/eslint.js ' . __DIR__ . '/scripts/block.js' );
-			$this->_exec( __DIR__ . '/node_modules/eslint/bin/eslint.js ' . __DIR__ . '/scripts/liveticker.js' );
-
-			$this->say( 'Executing StyleLint...' );
-			$this->_exec( __DIR__ . '/node_modules/stylelint/bin/stylelint.js ' . __DIR__ . '/styles/block.css' );
-			$this->_exec( __DIR__ . '/node_modules/stylelint/bin/stylelint.js ' . __DIR__ . '/styles/liveticker.css' );
-		}
-	}
-
-	/**
-	 * Build a distributable bundle.
-	 *
-	 * @param array $opts Options.
-	 *
-	 * @return void
-	 */
-	public function build(
-		$opts = array(
-			self::OPT_TARGET    => 'dist',
-			self::OPT_SKIPTEST  => false,
-			self::OPT_SKIPSTYLE => false,
-			self::OPT_MINIFY    => true,
-			self::OPT_NODE      => false,
-		)
-	) {
-		$this->clean( $opts );
-		if ( isset( $opts[ self::OPT_SKIPTEST ] ) && true === $opts[ self::OPT_SKIPTEST ] ) {
-			$this->say( 'Tests skipped' );
-		} else {
-			$this->test();
-		}
-		if ( isset( $opts[ self::OPT_SKIPSTYLE ] ) && true === $opts[ self::OPT_SKIPSTYLE ] ) {
-			$this->say( 'Style checks skipped' );
-		} else {
-			$this->testCS( $opts );
-		}
-		$this->bundle();
-	}
-
-	/**
-	 * Bundle global resources.
-	 *
-	 * @return void
-	 */
-	private function bundle() {
-		$this->say( 'Bundling resources...' );
-		$this->taskCopyDir(
-			array(
-				'includes' => $this->target_dir . '/' . $this->final_name . '/includes',
-				'scripts'  => $this->target_dir . '/' . $this->final_name . '/scripts',
-				'styles'   => $this->target_dir . '/' . $this->final_name . '/styles',
-				'views'    => $this->target_dir . '/' . $this->final_name . '/views',
-			)
-		)->run();
-		$this->_copy( 'stklcode-liveticker.php', $this->target_dir . '/' . $this->final_name . '/stklcode-liveticker.php' );
-		$this->_copy( 'README.md', $this->target_dir . '/' . $this->final_name . '/README.md' );
-		$this->_copy( 'LICENSE.md', $this->target_dir . '/' . $this->final_name . '/LICENSE.md' );
-
-		// Remove content before title (e.g. badges) from README file.
-		$this->taskReplaceInFile( $this->target_dir . '/' . $this->final_name . '/README.md' )
-			->regex( '/^[^\\#]*/' )
-			->to( '' )
-			->run();
-	}
-
-	/**
-	 * Minify JavaScript and CSS assets in target director.
-	 *
-	 * @param array $opts Options.
-	 *
-	 * @return void
-	 */
-	public function minify(
-		$opts = array(
-			self::OPT_TARGET    => 'dist',
-			self::OPT_SKIPTEST  => false,
-			self::OPT_SKIPSTYLE => false,
-			self::OPT_MINIFY    => true,
-		)
-	) {
-		if ( $opts[ self::OPT_MINIFY ] ) {
-			$this->minifyJS( $opts );
-			$this->minifyCSS( $opts );
-		} else {
-			$this->say( 'Minification skipped.' );
-		}
-	}
-
-	/**
-	 * Minify CSS assets.
-	 *
-	 * @param array $opts Options.
-	 *
-	 * @return void
-	 */
-	public function minifyCSS(
-		$opts = array(
-			self::OPT_TARGET    => 'dist',
-			self::OPT_SKIPTEST  => false,
-			self::OPT_SKIPSTYLE => false,
-			self::OPT_MINIFY    => true,
-			self::OPT_NODE      => false,
-		)
-	) {
-		if ( ! isset( $opts[ self::OPT_MINIFY ] ) ) {
-			$this->say( 'CSS minification skipped.' );
-
-			return;
-		}
-
-		$this->say( 'Minifying CSS...' );
-
-		$finder = Finder::create()->name( '*.css*' )
-								->notName( '*.min.css' )
-								->in( $this->target_dir . '/' . $this->final_name . '/styles' );
-		foreach ( $finder as $file ) {
-			$this->taskMinify( $file )->run();
-			// Replace original file for in-place minification.
-			$abspath = $file->getPath() . '/' . $file->getFilename();
-			$this->_rename( str_replace( '.css', '.min.css', $abspath ), $abspath, true );
-		}
-	}
-
-	/**
-	 * Minify JavaScript assets.
-	 *
-	 * @param array $opts Options.
-	 *
-	 * @return void
-	 */
-	public function minifyJS(
-		$opts = array(
-			self::OPT_TARGET    => 'dist',
-			self::OPT_SKIPTEST  => false,
-			self::OPT_SKIPSTYLE => false,
-			self::OPT_MINIFY    => true,
-			self::OPT_NODE      => false,
-		)
-	) {
-		if ( ! isset( $opts[ self::OPT_MINIFY ] ) ) {
-			$this->say( 'JS minification skipped.' );
-
-			return;
-		}
-
-		$this->say( 'Minifying JavaScript...' );
-
-		// Minify global JavaScripts files except already minified.
-		$finder = Finder::create()->name( '*.js*' )
-						->notName( '*.min.js' )
-						->in( $this->target_dir . '/' . $this->final_name . '/scripts' );
-		foreach ( $finder as $file ) {
-			$this->taskMinify( $file )->run();
-			// Replace original file for in-place minification.
-			$abspath = $file->getPath() . '/' . $file->getFilename();
-			$this->_rename( str_replace( '.js', '.min.js', $abspath ), $abspath, true );
-		}
-	}
-
-	/**
-	 * Create ZIP package from distribution bundle.
-	 *
-	 * @param array $opts Options.
-	 *
-	 * @return void
-	 */
-	public function package(
-		$opts = array(
-			self::OPT_TARGET    => 'dist',
-			self::OPT_SKIPTEST  => false,
-			self::OPT_SKIPSTYLE => false,
-			self::OPT_MINIFY    => true,
-			self::OPT_NODE      => false,
-		)
-	) {
-		$this->build( $opts );
-		$this->say( 'Packaging...' );
-		$this->taskPack( $this->target_dir . '/' . $this->final_name . '.zip' )
-			->addDir( '', $this->target_dir . '/' . $this->final_name )
-			->run();
-	}
-
-	/**
-	 * Deploy development version (trunk).
-	 *
-	 * @param array $opts Options.
-	 *
-	 * @return void
-	 * @throws TaskException On errors.
-	 */
-	public function deployTrunk(
-		$opts = array(
-			self::OPT_TARGET    => 'dist',
-			self::OPT_SKIPTEST  => false,
-			self::OPT_SKIPSTYLE => false,
-			self::OPT_MINIFY    => true,
-			self::OPT_NODE      => false,
-		)
-	) {
-		// First execute build job.
-		$this->build( $opts );
-
-		// Prepare VCS, either checkout or update local copy.
-		$this->prepareVCS();
-
-		$this->say( 'Preparing deployment directory...' );
-		$this->updateVCStrunk();
-
-		// Update remote repository.
-		$this->say( 'Deploying...' );
-		$this->commitVCS(
-			'--force trunk/*',
-			'Updated ' . self::PROJECT_NAME . ' trunk'
-		);
-	}
-
-	/**
-	 * Deploy current version tag.
-	 *
-	 * @param array $opts Options.
-	 *
-	 * @return void
-	 * @throws TaskException On errors.
-	 */
-	public function deployTag(
-		$opts = array(
-			self::OPT_TARGET    => 'dist',
-			self::OPT_SKIPTEST  => false,
-			self::OPT_SKIPSTYLE => false,
-			self::OPT_MINIFY    => true,
-			self::OPT_NODE      => false,
-		)
-	) {
-		// First execute build job.
-		$this->build( $opts );
-
-		// Prepare VCS, either checkout or update local copy.
-		$this->prepareVCS();
-
-		$this->say( 'Preparing deployment directory...' );
-		$this->updateVCStag();
-
-		// Update remote repository.
-		$this->say( 'Deploying...' );
-		$this->commitVCS(
-			'tags/' . $this->version,
-			'Updated ' . self::PROJECT_NAME . ' v' . $this->version
-		);
-	}
-
-	/**
-	 * Deploy current version tag.
-	 *
-	 * @param array $opts Options.
-	 *
-	 * @return void
-	 * @throws TaskException On errors.
-	 */
-	public function deployReadme(
-		$opts = array(
-			self::OPT_TARGET    => 'dist',
-			self::OPT_SKIPTEST  => false,
-			self::OPT_SKIPSTYLE => false,
-			self::OPT_MINIFY    => true,
-			self::OPT_NODE      => false,
-		)
-	) {
-		// First execute build job.
-		$this->build( $opts );
-
-		// Prepare VCS, either checkout or update local copy.
-		$this->prepareVCS();
-
-		$this->updateVCSreadme();
-
-		// Update remote repository.
-		$this->say( 'Deploying...' );
-		$this->commitVCS(
-			'--force trunk/README.md',
-			'Updated ' . self::PROJECT_NAME . ' ReadMe'
-		);
-	}
-
-	/**
-	 * Deploy current version tag and trunk.
-	 *
-	 * @param array $opts Options.
-	 *
-	 * @return void
-	 * @throws TaskException On errors.
-	 */
-	public function deployAll(
-		$opts = array(
-			self::OPT_TARGET    => 'dist',
-			self::OPT_SKIPTEST  => false,
-			self::OPT_SKIPSTYLE => false,
-			self::OPT_MINIFY    => true,
-			self::OPT_NODE      => false,
-		)
-	) {
-		// First execute build job.
-		$this->build( $opts );
-
-		// Prepare VCS, either checkout or update local copy.
-		$this->prepareVCS();
-
-		$this->say( 'Preparing deployment directory...' );
-		$this->updateVCStrunk();
-		$this->updateVCStag();
-
-		// Update remote repository.
-		$this->say( 'Deploying...' );
-		$this->commitVCS(
-			array(
-				'--force trunk/*',
-				'--force tags/' . $this->version,
-			),
-			'Updated ' . self::PROJECT_NAME . ' v' . $this->version
-		);
-	}
-
-	/**
-	 * Prepare VCS direcory.
-	 *
-	 * Checkout or update local copy of SVN repository.
-	 *
-	 * @return void
-	 * @throws TaskException On errors.
-	 */
-	private function prepareVCS() {
-		if ( is_dir( $this->target_dir . '/svn' ) ) {
-			$this->taskSvnStack()
-				->stopOnFail()
-				->dir( $this->target_dir . '/svn/stklcode-liveticker' )
-				->update()
-				->run();
-		} else {
-			$this->_mkdir( $this->target_dir . '/svn' );
-			$this->taskSvnStack()
-				->dir( $this->target_dir . '/svn' )
-				->checkout( self::SVN_URL )
-				->run();
-		}
-	}
-
-	/**
-	 * Commit VCS changes
-	 *
-	 * @param string|array $to_add Files to add.
-	 * @param string       $msg    Commit message.
-	 *
-	 * @return void
-	 * @throws TaskException On errors.
-	 */
-	private function commitVCS( $to_add, $msg ) {
-		$task = $this->taskSvnStack()
-					->stopOnFail()
-					->dir( $this->target_dir . '/svn/stklode-liveticker' );
-
-		if ( is_array( $to_add ) ) {
-			foreach ( $to_add as $ta ) {
-				$task = $task->add( $ta );
-			}
-		} else {
-			$task = $task->add( $to_add );
-		}
-
-		$task->commit( $msg )->run();
-	}
-
-	/**
-	 * Update SVN readme file.
-	 *
-	 * @return void
-	 */
-	private function updateVCSreadme() {
-		$trunk_dir = $this->target_dir . '/svn/stklcode-liveticker/trunk';
-		$this->_copy( $this->target_dir . '/' . $this->final_name . 'README.md', $trunk_dir . 'README.md' );
-	}
-
-	/**
-	 * Update SVN development version (trunk).
-	 *
-	 * @return void
-	 */
-	private function updateVCStrunk() {
-		// Clean trunk directory.
-		$trunk_dir = $this->target_dir . '/svn/stklcode-liveticker/trunk';
-		$this->taskCleanDir( $trunk_dir )->run();
-
-		// Copy built bundle to trunk.
-		$this->taskCopyDir( array( $this->target_dir . '/' . $this->final_name => $trunk_dir ) )->run();
-	}
-
-	/**
-	 * Update current SVN version tag.
-	 *
-	 * @return void
-	 */
-	private function updateVCStag() {
-		// Clean tag directory if it exists.
-		$tag_dir = $this->target_dir . '/svn/stklcode-liveticker/tags/' . $this->version;
-		if ( is_dir( $tag_dir ) ) {
-			$this->taskCleanDir( $this->target_dir . '/svn/stklcode-liveticker/tags/' . $this->version )->run();
-		} else {
-			$this->_mkdir( $tag_dir );
-		}
-
-		// Copy built bundle to trunk.
-		$this->taskCopyDir( array( $this->target_dir . '/' . $this->final_name => $tag_dir ) )->run();
-	}
-}

bin/install-wp-tests.sh

@@ -0,0 +1,194 @@
+#!/usr/bin/env bash
+
+if [ $# -lt 3 ]; then
+	echo "usage: $0 <db-name> <db-user> <db-pass> [db-host] [wp-version] [skip-database-creation]"
+	exit 1
+fi
+
+DB_NAME=$1
+DB_USER=$2
+DB_PASS=$3
+DB_HOST=${4-localhost}
+WP_VERSION=${5-latest}
+SKIP_DB_CREATE=${6-false}
+
+TMPDIR=${TMPDIR-/tmp}
+TMPDIR=$(echo $TMPDIR | sed -e "s/\/$//")
+WP_TESTS_DIR=${WP_TESTS_DIR-$TMPDIR/wordpress-tests-lib}
+WP_CORE_DIR=${WP_CORE_DIR-$TMPDIR/wordpress}
+
+download() {
+    if [ `which curl` ]; then
+        curl -s "$1" > "$2";
+    elif [ `which wget` ]; then
+        wget -nv -O "$2" "$1"
+    else
+        echo "Error: Neither curl nor wget is installed."
+        exit 1
+    fi
+}
+
+# Check if svn is installed
+check_svn_installed() {
+    if ! command -v svn > /dev/null; then
+        echo "Error: svn is not installed. Please install svn and try again."
+        exit 1
+    fi
+}
+
+if [[ $WP_VERSION =~ ^[0-9]+\.[0-9]+\-(beta|RC)[0-9]+$ ]]; then
+	WP_BRANCH=${WP_VERSION%\-*}
+	WP_TESTS_TAG="branches/$WP_BRANCH"
+
+elif [[ $WP_VERSION =~ ^[0-9]+\.[0-9]+$ ]]; then
+	WP_TESTS_TAG="branches/$WP_VERSION"
+elif [[ $WP_VERSION =~ [0-9]+\.[0-9]+\.[0-9]+ ]]; then
+	if [[ $WP_VERSION =~ [0-9]+\.[0-9]+\.[0] ]]; then
+		# version x.x.0 means the first release of the major version, so strip off the .0 and download version x.x
+		WP_TESTS_TAG="tags/${WP_VERSION%??}"
+	else
+		WP_TESTS_TAG="tags/$WP_VERSION"
+	fi
+elif [[ $WP_VERSION == 'nightly' || $WP_VERSION == 'trunk' ]]; then
+	WP_TESTS_TAG="trunk"
+else
+	# http serves a single offer, whereas https serves multiple. we only want one
+	download http://api.wordpress.org/core/version-check/1.7/ /tmp/wp-latest.json
+	grep '[0-9]+\.[0-9]+(\.[0-9]+)?' /tmp/wp-latest.json
+	LATEST_VERSION=$(grep -o '"version":"[^"]*' /tmp/wp-latest.json | sed 's/"version":"//')
+	if [[ -z "$LATEST_VERSION" ]]; then
+		echo "Latest WordPress version could not be found"
+		exit 1
+	fi
+	WP_TESTS_TAG="tags/$LATEST_VERSION"
+fi
+set -ex
+
+install_wp() {
+
+	if [ -d $WP_CORE_DIR ]; then
+		return;
+	fi
+
+	mkdir -p $WP_CORE_DIR
+
+	if [[ $WP_VERSION == 'nightly' || $WP_VERSION == 'trunk' ]]; then
+		mkdir -p $TMPDIR/wordpress-trunk
+		rm -rf $TMPDIR/wordpress-trunk/*
+        check_svn_installed
+		svn export --quiet https://core.svn.wordpress.org/trunk $TMPDIR/wordpress-trunk/wordpress
+		mv $TMPDIR/wordpress-trunk/wordpress/* $WP_CORE_DIR
+	else
+		if [ $WP_VERSION == 'latest' ]; then
+			local ARCHIVE_NAME='latest'
+		elif [[ $WP_VERSION =~ [0-9]+\.[0-9]+ ]]; then
+			# https serves multiple offers, whereas http serves single.
+			download https://api.wordpress.org/core/version-check/1.7/ $TMPDIR/wp-latest.json
+			if [[ $WP_VERSION =~ [0-9]+\.[0-9]+\.[0] ]]; then
+				# version x.x.0 means the first release of the major version, so strip off the .0 and download version x.x
+				LATEST_VERSION=${WP_VERSION%??}
+			else
+				# otherwise, scan the releases and get the most up to date minor version of the major release
+				local VERSION_ESCAPED=`echo $WP_VERSION | sed 's/\./\\\\./g'`
+				LATEST_VERSION=$(grep -o '"version":"'$VERSION_ESCAPED'[^"]*' $TMPDIR/wp-latest.json | sed 's/"version":"//' | head -1)
+			fi
+			if [[ -z "$LATEST_VERSION" ]]; then
+				local ARCHIVE_NAME="wordpress-$WP_VERSION"
+			else
+				local ARCHIVE_NAME="wordpress-$LATEST_VERSION"
+			fi
+		else
+			local ARCHIVE_NAME="wordpress-$WP_VERSION"
+		fi
+		download https://wordpress.org/${ARCHIVE_NAME}.tar.gz  $TMPDIR/wordpress.tar.gz
+		tar --strip-components=1 -zxmf $TMPDIR/wordpress.tar.gz -C $WP_CORE_DIR
+	fi
+
+	download https://raw.githubusercontent.com/markoheijnen/wp-mysqli/master/db.php $WP_CORE_DIR/wp-content/db.php
+}
+
+install_test_suite() {
+	# portable in-place argument for both GNU sed and Mac OSX sed
+	if [[ $(uname -s) == 'Darwin' ]]; then
+		local ioption='-i.bak'
+	else
+		local ioption='-i'
+	fi
+
+	# set up testing suite if it doesn't yet exist
+	if [ ! -d $WP_TESTS_DIR ]; then
+		# set up testing suite
+		mkdir -p $WP_TESTS_DIR
+		rm -rf $WP_TESTS_DIR/{includes,data}
+        check_svn_installed
+		svn export --quiet --ignore-externals https://develop.svn.wordpress.org/${WP_TESTS_TAG}/tests/phpunit/includes/ $WP_TESTS_DIR/includes
+		svn export --quiet --ignore-externals https://develop.svn.wordpress.org/${WP_TESTS_TAG}/tests/phpunit/data/ $WP_TESTS_DIR/data
+	fi
+
+	if [ ! -f wp-tests-config.php ]; then
+		download https://develop.svn.wordpress.org/${WP_TESTS_TAG}/wp-tests-config-sample.php "$WP_TESTS_DIR"/wp-tests-config.php
+		# remove all forward slashes in the end
+		WP_CORE_DIR=$(echo $WP_CORE_DIR | sed "s:/\+$::")
+		sed $ioption "s:dirname( __FILE__ ) . '/src/':'$WP_CORE_DIR/':" "$WP_TESTS_DIR"/wp-tests-config.php
+		sed $ioption "s:__DIR__ . '/src/':'$WP_CORE_DIR/':" "$WP_TESTS_DIR"/wp-tests-config.php
+		sed $ioption "s/youremptytestdbnamehere/$DB_NAME/" "$WP_TESTS_DIR"/wp-tests-config.php
+		sed $ioption "s/yourusernamehere/$DB_USER/" "$WP_TESTS_DIR"/wp-tests-config.php
+		sed $ioption "s/yourpasswordhere/$DB_PASS/" "$WP_TESTS_DIR"/wp-tests-config.php
+		sed $ioption "s|localhost|${DB_HOST}|" "$WP_TESTS_DIR"/wp-tests-config.php
+	fi
+
+}
+
+recreate_db() {
+	shopt -s nocasematch
+	if [[ $1 =~ ^(y|yes)$ ]]
+	then
+		mysqladmin drop $DB_NAME -f --user="$DB_USER" --password="$DB_PASS"$EXTRA
+		create_db
+		echo "Recreated the database ($DB_NAME)."
+	else
+		echo "Leaving the existing database ($DB_NAME) in place."
+	fi
+	shopt -u nocasematch
+}
+
+create_db() {
+	mysqladmin create $DB_NAME --user="$DB_USER" --password="$DB_PASS"$EXTRA
+}
+
+install_db() {
+
+	if [ ${SKIP_DB_CREATE} = "true" ]; then
+		return 0
+	fi
+
+	# parse DB_HOST for port or socket references
+	local PARTS=(${DB_HOST//\:/ })
+	local DB_HOSTNAME=${PARTS[0]};
+	local DB_SOCK_OR_PORT=${PARTS[1]};
+	local EXTRA=""
+
+	if ! [ -z $DB_HOSTNAME ] ; then
+		if [ $(echo $DB_SOCK_OR_PORT | grep -e '^[0-9]\{1,\}$') ]; then
+			EXTRA=" --host=$DB_HOSTNAME --port=$DB_SOCK_OR_PORT --protocol=tcp"
+		elif ! [ -z $DB_SOCK_OR_PORT ] ; then
+			EXTRA=" --socket=$DB_SOCK_OR_PORT"
+		elif ! [ -z $DB_HOSTNAME ] ; then
+			EXTRA=" --host=$DB_HOSTNAME --protocol=tcp"
+		fi
+	fi
+
+	# create database
+	if [ $(mysql --user="$DB_USER" --password="$DB_PASS"$EXTRA --execute='show databases;' | grep ^$DB_NAME$) ]
+	then
+		echo "Reinstalling will delete the existing test database ($DB_NAME)"
+		read -p 'Are you sure you want to proceed? [y/N]: ' DELETE_EXISTING_DB
+		recreate_db $DELETE_EXISTING_DB
+	else
+		create_db
+	fi
+}
+
+install_wp
+install_test_suite
+install_db

composer.json

@@ -1,6 +1,6 @@
 {
   "name": "stklcode/stklcode-liveticker",
-  "version": "1.1.0",
+  "version": "1.3.0",
   "description": "A simple Liveticker for Wordpress.",
   "keywords": [
     "wordpress",
@@ -17,22 +17,17 @@
   ],
   "type": "wordpress-plugin",
   "require": {
-    "php": ">=5.6",
-    "composer/installers": "~1.7"
+    "php": ">=7.2",
+    "composer/installers": "~v2.3.0"
   },
   "require-dev": {
-    "php": ">=7",
-    "consolidation/robo": "^2",
-    "phpunit/phpunit": "^8",
-    "phpunit/php-code-coverage": "^7",
-    "dealerdirect/phpcodesniffer-composer-installer": "^0.6",
+    "dealerdirect/phpcodesniffer-composer-installer": "^v1.0",
+    "matthiasmullie/minify": "^1.3",
+    "phpcompatibility/phpcompatibility-wp": "^2.1",
     "slowprog/composer-copy-file": "~0.3",
-    "squizlabs/php_codesniffer": "^3.5",
-    "phpcompatibility/php-compatibility": "^9.3",
-    "wp-coding-standards/wpcs": "^2.2",
-    "patchwork/jsqueeze": "^2.0",
-    "natxet/cssmin": "^3.0",
-    "matthiasmullie/minify": "^1.3"
+    "squizlabs/php_codesniffer": "^3.11",
+    "wp-coding-standards/wpcs": "^3.1",
+    "yoast/wp-test-utils": "^1.2"
   },
   "scripts": {
     "post-install-cmd": [
@@ -42,16 +37,7 @@
       "@minify"
     ],
     "build": [
-      "@minify",
-      "robo build"
-    ],
-    "package": [
-      "@minify",
-      "robo package"
-    ],
-    "deploy": [
-      "@minify",
-      "robo deploy:all"
+      "@minify"
     ],
     "test": [
       "phpunit"
@@ -65,12 +51,12 @@
       "phpcs --standard=phpcs.xml -s"
     ],
     "lint-css": [
-      "./node_modules/stylelint/bin/stylelint.js styles/block.css",
-      "./node_modules/stylelint/bin/stylelint.js styles/liveticker.css"
+      "npx stylelint styles/block.css",
+      "npx stylelint styles/liveticker.css"
     ],
     "lint-js": [
-      "./node_modules/eslint/bin/eslint.js scripts/block.js",
-      "./node_modules/eslint/bin/eslint.js scripts/liveticker.js"
+      "npx eslint scripts/block.js",
+      "npx eslint scripts/liveticker.js"
     ],
     "minify": [
       "minifycss styles/block.css > styles/block.min.css",
@@ -78,5 +64,11 @@
       "minifyjs scripts/block.js > scripts/block.min.js",
       "minifyjs scripts/liveticker.js > scripts/liveticker.min.js"
     ]
+  },
+  "config": {
+    "allow-plugins": {
+      "composer/installers": true,
+      "dealerdirect/phpcodesniffer-composer-installer": true
+    }
   }
 }

includes/class-admin.php

@@ -23,7 +23,7 @@ class Admin extends SCLiveticker {
 	 *
 	 * @return void
 	 */
-	public static function dashboard_right_now() {
+	public static function dashboard_right_now(): void {
 		$total_files = wp_count_posts( 'scliveticker_tick' );
 
 		echo '<tr>';
@@ -37,181 +37,24 @@ class Admin extends SCLiveticker {
 	 *
 	 * @return void
 	 */
-	public static function register_settings_page() {
+	public static function register_settings_page(): void {
 		add_submenu_page(
 			'edit.php?post_type=scliveticker_tick',
 			'Liveticker ' . __( 'Settings', 'stklcode-liveticker' ),
 			__( 'Settings', 'stklcode-liveticker' ),
 			'manage_options',
 			'scliveticker_settings',
-			array(
-				__CLASS__,
-				'settings_page',
-			)
+			array( Settings::class, 'render_settings_page' )
 		);
 	}
 
-	/**
-	 * Register settings API
-	 *
-	 * @return void
-	 */
-	public static function register_settings() {
-		register_setting(
-			'scliveticker_settings',
-			self::OPTION,
-			array( __CLASS__, 'validate_settings' )
-		);
-
-		// Form sections.
-		add_settings_section(
-			'scliveticker_settings_general',
-			__( 'General', 'stklcode-liveticker' ),
-			array( __CLASS__, 'settings_general_section' ),
-			'scliveticker-settings-page'
-		);
-
-		// Form fields.
-		add_settings_field(
-			'enable_ajax',
-			__( 'Use AJAX', 'stklcode-liveticker' ),
-			array( __CLASS__, 'settings_enable_ajax_field' ),
-			'scliveticker-settings-page',
-			'scliveticker_settings_general',
-			array( 'label_for' => esc_attr( self::OPTION ) . '-enable-ajax' )
-		);
-
-		add_settings_field(
-			'poll_interval',
-			__( 'AJAX poll interval', 'stklcode-liveticker' ),
-			array( __CLASS__, 'settings_poll_interval_field' ),
-			'scliveticker-settings-page',
-			'scliveticker_settings_general',
-			array( 'label_for' => esc_attr( self::OPTION ) . '-poll-interval' )
-		);
-
-		add_settings_field(
-			'enable_css',
-			__( 'Default CSS Styles', 'stklcode-liveticker' ),
-			array( __CLASS__, 'settings_enable_css_field' ),
-			'scliveticker-settings-page',
-			'scliveticker_settings_general',
-			array( 'label_for' => esc_attr( self::OPTION ) . '-enable-css' )
-		);
-
-		add_settings_field(
-			'show_feed',
-			__( 'Show RSS feed', 'stklcode-liveticker' ),
-			array( __CLASS__, 'settings_show_feed_field' ),
-			'scliveticker-settings-page',
-			'scliveticker_settings_general',
-			array( 'label_for' => esc_attr( self::OPTION ) . '-show-feed' )
-		);
-	}
-
-	/**
-	 * Render general section.
-	 *
-	 * @return void
-	 */
-	public static function settings_general_section() {
-	}
-
-	/**
-	 * Render uninstall section.
-	 *
-	 * @return void
-	 */
-	public static function settings_uninstall_section() {
-	}
-
-	/**
-	 * Render enable AJAX field.
-	 *
-	 * @return void
-	 */
-	public static function settings_enable_ajax_field() {
-		$checked = self::$options['enable_ajax'];
-
-		echo '<input id="' . esc_attr( self::OPTION ) . '-enable-ajax" type="checkbox" name="' . esc_attr( self::OPTION ) . '[enable_ajax]" value="1" ' . checked( $checked, 1, false ) . '> ';
-		esc_html_e( 'Enable', 'stklcode-liveticker' );
-		echo '<p class="description">' . esc_html__( 'Disable this option to not use AJAX update. This means all liveticker widgets and shortcodes are only updated once on site load.', 'stklcode-liveticker' ) . '</p>';
-	}
-
-	/**
-	 * Render AJAX poll interval field.
-	 *
-	 * @return void
-	 */
-	public static function settings_poll_interval_field() {
-		$poll_interval = self::$options['poll_interval'];
-
-		echo '<input id="' . esc_attr( self::OPTION ) . '-poll-interval" type="number" name="' . esc_attr( self::OPTION ) . '[poll_interval]" value="' . esc_attr( $poll_interval ) . '"> ';
-		esc_html_e( 'seconds', 'stklcode-liveticker' );
-		echo '<p class="description">' . esc_html__( 'Interval (in seconds) to update ticker if AJAX is enabled.', 'stklcode-liveticker' ) . '</p>';
-	}
-
-
-	/**
-	 * Render enable css field.
-	 *
-	 * @return void
-	 */
-	public static function settings_enable_css_field() {
-		$checked = self::$options['enable_css'];
-
-		echo '<input id="' . esc_attr( self::OPTION ) . '-enable-css" type="checkbox" name="' . esc_attr( self::OPTION ) . '[enable_css]" value="1" ' . checked( $checked, 1, false ) . ' /> ';
-		esc_html_e( 'Enable', 'stklcode-liveticker' );
-		echo '<p class="description">' . esc_html__( 'Disable this option to remove the default styling CSS file.', 'stklcode-liveticker' ) . '</p>';
-	}
-
-	/**
-	 * Render enable css field.
-	 *
-	 * @return void
-	 */
-	public static function settings_show_feed_field() {
-		$checked = self::$options['show_feed'];
-
-		echo '<input id="' . esc_attr( self::OPTION ) . '-show-feed" type="checkbox" name="' . esc_attr( self::OPTION ) . '[show_feed]" value="1" ' . checked( $checked, 1, false ) . ' /> ';
-		esc_html_e( 'Enable', 'stklcode-liveticker' );
-		echo '<p class="description">' . esc_html__( 'Can be overwritten in shortcode.', 'stklcode-liveticker' ) . '</p>';
-	}
-
-	/**
-	 * Render the settings page.
-	 *
-	 * @return void
-	 */
-	public static function settings_page() {
-		include SCLIVETICKER_DIR . 'views/settings-page.php';
-	}
-
-	/**
-	 * Validate settings callback.
-	 *
-	 * @param array $input Input arguments.
-	 *
-	 * @return array Parsed arguments.
-	 */
-	public static function validate_settings( $input ) {
-		$defaults = self::default_options();
-
-		$result['enable_ajax']   = isset( $input['enable_ajax'] ) ? intval( $input['enable_ajax'] ) : 0;
-		$result['poll_interval'] = isset( $input['poll_interval'] ) ? intval( $input['poll_interval'] ) : $defaults['poll_interval'];
-		$result['enable_css']    = isset( $input['enable_css'] ) ? intval( $input['enable_css'] ) : 0;
-		$result['show_feed']     = isset( $input['show_feed'] ) ? intval( $input['show_feed'] ) : 0;
-
-		return $result;
-	}
-
 	/**
 	 * Register custom Gutenberg block type.
 	 *
 	 * @return void
 	 * @since 1.1
 	 */
-	public static function register_block() {
+	public static function register_block(): void {
 		wp_register_script(
 			'scliveticker-editor',
 			SCLIVETICKER_BASE . 'scripts/block.min.js',

includes/class-api.php

@@ -0,0 +1,102 @@
+<?php
+/**
+ * Liveticker: Plugin API class.
+ *
+ * This file contains the plugin's REST API extensions.
+ *
+ * @package SCLiveticker
+ */
+
+namespace SCLiveticker;
+
+// Exit if accessed directly.
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+use DateTime;
+use WP_REST_Request;
+
+/**
+ * Liveticker.
+ *
+ * @since 1.2
+ */
+class Api {
+	/**
+	 * Initialize custom fields for REST API responses.
+	 *
+	 * @return void
+	 */
+	public static function init(): void {
+		// Add rendered modification date to WP_Post object.
+		register_rest_field(
+			'scliveticker_tick',
+			'modified_rendered',
+			array(
+				'get_callback' => function ( $post ) {
+					return ( new DateTime( $post['modified'] ) )->format( 'd.m.Y H:i' );
+				},
+				'schema'       => array(
+					'description' => __( 'Rendered modification date and time.', 'stklcode-liveticker' ),
+					'type'        => 'string',
+				),
+			)
+		);
+	}
+
+	/**
+	 * Filter tick queries by ticker slug and date.
+	 *
+	 * @param array           $args    Query vars.
+	 * @param WP_REST_Request $request The REST request.
+	 *
+	 * @return array Filtered query values.
+	 */
+	public static function tick_query_filter( array $args, WP_REST_Request $request ): array {
+		// Extract arguments.
+		$ticker_slug = $request->get_param( 'ticker' );
+		$limit       = intval( $request->get_param( 'limit' ) );
+		$last_poll   = $request->get_param( 'last' );
+
+		if ( ! empty( $ticker_slug ) ) {
+			$args['tax_query'][] = array(
+				'taxonomy' => 'scliveticker_ticker',
+				'field'    => 'slug',
+				'terms'    => $ticker_slug,
+			);
+		}
+
+		if ( $limit > 0 ) {
+			$args['posts_per_page'] = $limit;
+			$args['paged']          = 1;
+		} elseif ( $limit < 0 ) {
+			$args['nopaging'] = true;
+			$args['paged']    = 0;
+		}
+
+		if ( ! empty( $last_poll ) ) {
+			$last_poll = explode(
+				',',
+				gmdate(
+					'Y,m,d,H,i,s',
+					rest_parse_date( $last_poll )
+				)
+			);
+
+			$args['date_query'] = array(
+				'column' => 'post_date_gmt',
+				'after'  => array(
+					'year'   => intval( $last_poll[0] ),
+					'month'  => intval( $last_poll[1] ),
+					'day'    => intval( $last_poll[2] ),
+					'hour'   => intval( $last_poll[3] ),
+					'minute' => intval( $last_poll[4] ),
+					'second' => intval( $last_poll[5] ),
+				),
+			);
+		}
+
+		return $args;
+	}
+}

includes/class-scliveticker.php

@@ -26,7 +26,7 @@ class SCLiveticker {
 	 *
 	 * @var string OPTIONS
 	 */
-	const VERSION = '1.1.0';
+	const VERSION = '1.3.0';
 
 	/**
 	 * Options tag.
@@ -62,7 +62,7 @@ class SCLiveticker {
 	 *
 	 * @return void
 	 */
-	public static function init() {
+	public static function init(): void {
 		// Skip on autosave.
 		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
 			return;
@@ -71,13 +71,17 @@ class SCLiveticker {
 		// Load plugin options.
 		self::update_options();
 
-		// Skip on AJAX if not enabled disabled.
+		// Add filter for REST API queries.
+		add_filter( 'rest_api_init', array( 'SCLiveticker\\Api', 'init' ) );
+		add_filter( 'rest_scliveticker_tick_query', array( 'SCLiveticker\\Api', 'tick_query_filter' ), 10, 2 );
+
+		// Skip on AJAX if not enabled.
 		if ( ( ! isset( self::$options['enable_ajax'] ) || 1 !== self::$options['enable_ajax'] ) && ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ) {
 			return;
 		}
 
 		// Load Textdomain.
-		load_plugin_textdomain( 'stklcode-liveticker', false );
+		load_plugin_textdomain( 'stklcode-liveticker' );
 
 		// Allow shortcodes in widgets.
 		add_filter( 'widget_text', 'do_shortcode' );
@@ -100,7 +104,7 @@ class SCLiveticker {
 			add_action( 'right_now_content_table_end', array( 'SCLiveticker\\Admin', 'dashboard_right_now' ) );
 
 			// Settings.
-			add_action( 'admin_init', array( 'SCLiveticker\\Admin', 'register_settings' ) );
+			add_action( 'admin_init', array( 'SCLiveticker\\Settings', 'register_settings' ) );
 			add_action( 'admin_menu', array( 'SCLiveticker\\Admin', 'register_settings_page' ) );
 		}
 	}
@@ -110,11 +114,11 @@ class SCLiveticker {
 	 *
 	 * @return void
 	 */
-	public static function register_types() {
+	public static function register_types(): void {
 		// Add new taxonomy, make it hierarchical (like categories).
 		$labels = array(
-			'name'              => _x( 'Ticker', 'taxonomy general name' ),
-			'singular_name'     => _x( 'Ticker', 'taxonomy singular name' ),
+			'name'              => _x( 'Ticker', 'taxonomy general name', 'stklcode-liveticker' ),
+			'singular_name'     => _x( 'Ticker', 'taxonomy singular name', 'stklcode-liveticker' ),
 			'search_items'      => __( 'Search Tickers', 'stklcode-liveticker' ),
 			'all_items'         => __( 'All Tickers', 'stklcode-liveticker' ),
 			'parent_item'       => __( 'Parent Ticker', 'stklcode-liveticker' ),
@@ -178,7 +182,7 @@ class SCLiveticker {
 	 *
 	 * @return string
 	 */
-	public static function shortcode_ticker_show( $atts ) {
+	public static function shortcode_ticker_show( array $atts ): string {
 		// Indicate presence of shortcode (to enqueue styles/scripts later).
 		self::$shortcode_present = true;
 
@@ -201,16 +205,6 @@ class SCLiveticker {
 			} else {
 				$show_feed = 1 === self::$options['show_feed'];
 			}
-
-			$output = '<div class="wp-block-scliveticker-ticker';
-			if ( 1 === self::$options['enable_ajax'] ) {
-				$output .= ' sclt-ajax" '
-							. 'data-sclt-ticker="' . $ticker . '" '
-							. 'data-sclt-limit="' . $limit . '" '
-							. 'data-sclt-last="' . time();
-			}
-			$output .= '"><ul>';
-
 			$args = array(
 				'post_type'      => 'scliveticker_tick',
 				'posts_per_page' => $limit,
@@ -225,20 +219,32 @@ class SCLiveticker {
 
 			$wp_query = new WP_Query( $args );
 
+			$ticks = '';
+			$last  = null;
 			while ( $wp_query->have_posts() ) {
 				$wp_query->the_post();
-				$output .= self::tick_html( get_the_time( 'd.m.Y H:i' ), get_the_title(), get_the_content() );
+				$ticks .= self::tick_html( get_the_time( 'd.m.Y H:i' ), get_the_title(), get_the_content(), get_the_ID() );
+				if ( is_null( $last ) ) {
+					$last = get_post_modified_time( 'Y-m-d\TH:i:s', true );
+				}
 			}
 
-			$output .= '</ul></div>';
+			$output = '<div class="wp-block-scliveticker-ticker';
+			if ( 1 === self::$options['enable_ajax'] ) {
+				$output .= ' sclt-ajax" '
+							. 'data-sclt-ticker="' . esc_attr( $ticker ) . '" '
+							. 'data-sclt-limit="' . $limit . '" '
+							. 'data-sclt-last="' . $last;
+			}
+			$output .= '"><ul>' . $ticks . '</ul></div>';
 
 			// Show RSS feed link, if configured.
 			if ( $show_feed ) {
 				$feed_link = get_post_type_archive_feed_link( 'scliveticker_tick' ) . '';
 				if ( false === strpos( $feed_link, '&' ) ) {
-					$feed_link .= '?scliveticker_ticker=' . $ticker;
+					$feed_link .= '?scliveticker_ticker=' . rawurlencode( $ticker );
 				} else {
-					$feed_link .= '&scliveticker_ticker=' . $ticker;
+					$feed_link .= '&scliveticker_ticker=' . rawurlencode( $ticker );
 				}
 				$output .= '<a href="' . esc_attr( $feed_link ) . '">Feed</a>';
 			}
@@ -253,9 +259,9 @@ class SCLiveticker {
 	 * @return void
 	 * @since 1.1 Combined former methods "enqueue_styles" and "enqueue_scripts".
 	 */
-	public static function enqueue_resources() {
+	public static function enqueue_resources(): void {
 		// Only add if shortcode is present.
-		if ( self::$shortcode_present || self::$widget_present || self::block_present() ) {
+		if ( self::$shortcode_present || self::$widget_present || has_block( 'scliveticker/ticker' ) ) {
 			wp_enqueue_script(
 				'scliveticker-js',
 				SCLIVETICKER_BASE . 'scripts/liveticker.min.js',
@@ -267,11 +273,13 @@ class SCLiveticker {
 			// Add endpoint to script.
 			wp_localize_script(
 				'scliveticker-js',
-				'sclivetickerAjax',
+				'scliveticker',
 				array(
-					'ajax_url'      => admin_url( 'admin-ajax.php' ),
-					'nonce'         => wp_create_nonce( 'scliveticker_update-ticks' ),
-					'poll_interval' => self::$options['poll_interval'] * 1000,
+					'ajax_url'        => admin_url( 'admin-ajax.php' ),
+					'nonce'           => wp_create_nonce( 'scliveticker_update-ticks' ),
+					'api'             => rest_url(),
+					'embedded_script' => boolval( self::$options['embedded_script'] ),
+					'poll_interval'   => self::$options['poll_interval'] * 1000,
 				)
 			);
 
@@ -281,8 +289,7 @@ class SCLiveticker {
 					'sclt-css',
 					SCLIVETICKER_BASE . 'styles/liveticker.min.css',
 					'',
-					self::VERSION,
-					'all'
+					self::VERSION
 				);
 			}
 		}
@@ -293,14 +300,14 @@ class SCLiveticker {
 	 *
 	 * @return void
 	 */
-	public static function ajax_update() {
+	public static function ajax_update(): void {
 		// Verify AJAX nonce.
 		check_ajax_referer( 'scliveticker_update-ticks' );
 
 		// Extract update requests.
 		if ( isset( $_POST['update'] ) && is_array( $_POST['update'] ) ) {  // Input var okay.
 			$res = array();
-			// @codingStandardsIgnoreLine Sanitization of arrayhandled on field level.
+			// @codingStandardsIgnoreLine Sanitization of array handled on field level.
 			foreach ( wp_unslash( $_POST['update'] ) as $update_req ) {
 				if ( is_array( $update_req ) && ( isset( $update_req['s'] ) || isset( $update_req['w'] ) ) ) {
 					if ( isset( $update_req['s'] ) ) {
@@ -310,7 +317,7 @@ class SCLiveticker {
 						$is_widget = true;
 						$slug      = sanitize_text_field( $update_req['w'] );
 					} else {
-						// Should never occur, but for completenes' sake...
+						// Should never occur, but for completeness' sake...
 						break;
 					}
 
@@ -353,9 +360,9 @@ class SCLiveticker {
 					while ( $query->have_posts() ) {
 						$query->the_post();
 						if ( $is_widget ) {
-							$out .= self::tick_html_widget( get_the_time( 'd.m.Y H:i' ), get_the_title(), false );
+							$out .= self::tick_html_widget( get_the_time( 'd.m.Y H:i' ), get_the_title(), false, get_the_ID() );
 						} else {
-							$out .= self::tick_html( get_the_time( 'd.m.Y H:i' ), get_the_title(), get_the_content(), $is_widget );
+							$out .= self::tick_html( get_the_time( 'd.m.Y H:i' ), get_the_title(), get_the_content(), get_the_ID() );
 						}
 					}
 
@@ -386,18 +393,19 @@ class SCLiveticker {
 	 *
 	 * @return void
 	 */
-	public static function mark_widget_present() {
+	public static function mark_widget_present(): void {
 		self::$widget_present = true;
 	}
 
 	/**
 	 * Update options.
 	 *
-	 * @param array $options Optional. New options to save.
-	 *
 	 * @return void
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 removed unused parameter
 	 */
-	protected static function update_options( $options = null ) {
+	protected static function update_options(): void {
 		self::$options = wp_parse_args(
 			get_option( self::OPTION ),
 			self::default_options()
@@ -409,31 +417,37 @@ class SCLiveticker {
 	 *
 	 * @return array The options array.
 	 */
-	protected static function default_options() {
+	protected static function default_options(): array {
 		return array(
-			'enable_ajax'    => 1,
-			'poll_interval'  => 60,
-			'enable_css'     => 1,
-			'show_feed'      => 0,
-			'reset_settings' => 0,
+			'enable_ajax'      => 1,
+			'poll_interval'    => 60,
+			'enable_css'       => 1,
+			'show_feed'        => 0,
+			'enable_shortcode' => 0,
+			'embedded_script'  => 0,
+			'reset_settings'   => 0,
 		);
 	}
 
 	/**
 	 * Generate HTML code for a tick element.
 	 *
-	 * @param string  $time      Tick time (readable).
-	 * @param string  $title     Tick title.
-	 * @param string  $content   Tick content.
-	 * @param boolean $is_widget Is the code for Widget.
+	 * @param string  $time    Tick time (readable).
+	 * @param string  $title   Tick title.
+	 * @param string  $content Tick content.
+	 * @param integer $id      Tick ID.
 	 *
 	 * @return string HTML code of tick.
 	 */
-	private static function tick_html( $time, $title, $content, $is_widget = false ) {
-		return '<li class="sclt-tick">'
-			. '<p><span class="sclt-tick_time">' . esc_html( $time ) . '</span>'
-			. '<span class="sclt-tick-title">' . esc_html( $title ) . '</span></p>'
-			. '<p class="sclt-tick-content">' . $content . '</p></li>';
+	private static function tick_html( string $time, string $title, string $content, int $id ): string {
+		if ( self::$options['enable_shortcode'] ) {
+			$content = do_shortcode( $content );
+		}
+
+		return '<li class="sclt-tick" data-sclt-tick-id="' . esc_attr( $id ) . '">'
+			. '<span class="sclt-tick-time">' . esc_html( $time ) . '</span>'
+			. '<span class="sclt-tick-title">' . esc_html( $title ) . '</span>'
+			. '<div class="sclt-tick-content">' . $content . '</div></li>';
 	}
 
 	/**
@@ -442,28 +456,21 @@ class SCLiveticker {
 	 * @param string  $time      Tick time (readable).
 	 * @param string  $title     Tick title.
 	 * @param boolean $highlight Highlight element.
+	 * @param integer $id        Tick ID.
 	 *
 	 * @return string HTML code of widget tick.
 	 */
-	public static function tick_html_widget( $time, $title, $highlight ) {
+	public static function tick_html_widget( string $time, string $title, bool $highlight, int $id = 0 ): string {
 		$out = '<li';
 		if ( $highlight ) {
 			$out .= ' class="sclt-widget-new"';
 		}
+		if ( $id > 0 ) {
+			$out .= ' data-sclt-tick-id="' . esc_attr( $id ) . '"';
+		}
 		return $out . '>'
 			. '<span class="sclt-widget-time">' . esc_html( $time ) . '</span>'
 			. '<span class="sclt-widget-title">' . $title . '</span>'
 			. '</li>';
 	}
-
-	/**
-	 * Check if the Gutenberg block is present in current post.
-	 *
-	 * @return boolean True, if Gutenberg block is present.
-	 * @since 1.1
-	 */
-	private static function block_present() {
-		return function_exists( 'has_block' ) && // We are in WP 5.x environment.
-			has_block( 'scliveticker/ticker' ); // Specific block is present.
-	}
 }

includes/class-settings.php

@@ -0,0 +1,305 @@
+<?php
+/**
+ * Liveticker: Plugin settings class.
+ *
+ * This file contains the derived class for the plugin's settings.
+ *
+ * @package SCLiveticker
+ */
+
+namespace SCLiveticker;
+
+// Exit if accessed directly.
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+/**
+ * Liveticker admin configuration.
+ *
+ * @since 1.3.0 extracted from {@link Admin} class
+ */
+class Settings extends SCLiveticker {
+
+	/**
+	 * Register settings API
+	 *
+	 * @return void
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function register_settings(): void {
+		register_setting(
+			'scliveticker_settings',
+			self::OPTION,
+			array( __CLASS__, 'validate_settings' )
+		);
+
+		// Form sections.
+		add_settings_section(
+			'scliveticker_settings_general',
+			__( 'General', 'stklcode-liveticker' ),
+			array( __CLASS__, 'settings_general_section' ),
+			'scliveticker-settings-page'
+		);
+
+		// Form fields.
+		add_settings_field(
+			'enable_ajax',
+			__( 'Use AJAX', 'stklcode-liveticker' ),
+			array( __CLASS__, 'settings_enable_ajax_field' ),
+			'scliveticker-settings-page',
+			'scliveticker_settings_general',
+			array( 'label_for' => esc_attr( self::OPTION ) . '-enable-ajax' )
+		);
+
+		add_settings_field(
+			'poll_interval',
+			__( 'AJAX poll interval', 'stklcode-liveticker' ),
+			array( __CLASS__, 'settings_poll_interval_field' ),
+			'scliveticker-settings-page',
+			'scliveticker_settings_general',
+			array( 'label_for' => esc_attr( self::OPTION ) . '-poll-interval' )
+		);
+
+		add_settings_field(
+			'enable_css',
+			__( 'Default CSS Styles', 'stklcode-liveticker' ),
+			array( __CLASS__, 'settings_enable_css_field' ),
+			'scliveticker-settings-page',
+			'scliveticker_settings_general',
+			array( 'label_for' => esc_attr( self::OPTION ) . '-enable-css' )
+		);
+
+		add_settings_field(
+			'show_feed',
+			__( 'Show RSS feed', 'stklcode-liveticker' ),
+			array( __CLASS__, 'settings_show_feed_field' ),
+			'scliveticker-settings-page',
+			'scliveticker_settings_general',
+			array( 'label_for' => esc_attr( self::OPTION ) . '-show-feed' )
+		);
+
+		add_settings_field(
+			'enable_shortcode',
+			__( 'Shortcode support', 'stklcode-liveticker' ),
+			array( __CLASS__, 'settings_enable_shortcode_field' ),
+			'scliveticker-settings-page',
+			'scliveticker_settings_general',
+			array( 'label_for' => esc_attr( self::OPTION ) . '-enable-shortcode' )
+		);
+
+		add_settings_field(
+			'embedded_script',
+			__( 'Embedded JavaScript', 'stklcode-liveticker' ),
+			array( __CLASS__, 'settings_embedded_script_field' ),
+			'scliveticker-settings-page',
+			'scliveticker_settings_general',
+			array( 'label_for' => esc_attr( self::OPTION ) . '-embedded-script' )
+		);
+	}
+
+	/**
+	 * Render the settings page.
+	 *
+	 * @return void
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function render_settings_page(): void {
+		?>
+		<div class="wrap">
+			<div id="icon-options-general" class="icon32"><br></div>
+			<h2>Liveticker <?php esc_html_e( 'Settings', 'stklcode-liveticker' ); ?></h2>
+			<?php
+			if ( isset( $_GET['settings-updated'] ) ) {	// phpcs:ignore
+				echo '<div class="updated"><p>' . esc_html__( 'Settings updated successfully.', 'stklcode-liveticker' ) . '</p></div>';
+			}
+			?>
+			<form action="options.php" method="post">
+				<?php
+				settings_fields( 'scliveticker_settings' );
+				do_settings_sections( 'scliveticker-settings-page' );
+				submit_button();
+				?>
+			</form>
+		</div>
+		<?php
+	}
+
+
+	/**
+	 * Render general section.
+	 *
+	 * @return void
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function settings_general_section(): void {
+	}
+
+	/**
+	 * Render enable AJAX field.
+	 *
+	 * @return void
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function settings_enable_ajax_field(): void {
+		self::render_checkbox(
+			'enable-ajax',
+			'[enable_ajax]',
+			self::$options['enable_ajax'],
+			__( 'Disable this option to not use AJAX update. This means all liveticker widgets and shortcodes are only updated once on site load.', 'stklcode-liveticker' ),
+			__( 'Enable AJAX updates', 'stklcode-liveticker' )
+		);
+	}
+
+	/**
+	 * Render AJAX poll interval field.
+	 *
+	 * @return void
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function settings_poll_interval_field(): void {
+		$poll_interval = self::$options['poll_interval'];
+
+		echo '<input id="' . esc_attr( self::OPTION ) . '-poll-interval" type="number" name="' . esc_attr( self::OPTION ) . '[poll_interval]" value="' . esc_attr( $poll_interval ) . '"> ';
+		esc_html_e( 'seconds', 'stklcode-liveticker' );
+		echo '<p class="description">' . esc_html__( 'Interval (in seconds) to update ticker if AJAX is enabled.', 'stklcode-liveticker' ) . '</p>';
+	}
+
+
+	/**
+	 * Render enable css field.
+	 *
+	 * @return void
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function settings_enable_css_field(): void {
+		self::render_checkbox(
+			'enable-css',
+			'[enable_css]',
+			self::$options['enable_css'],
+			__( 'Disable this option to remove the default styling CSS file.', 'stklcode-liveticker' ),
+			__( 'Enable default stylesheet', 'stklcode-liveticker' )
+		);
+	}
+
+	/**
+	 * Render enable css field.
+	 *
+	 * @return void
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function settings_show_feed_field(): void {
+		self::render_checkbox(
+			'show-feed',
+			'[show_feed]',
+			self::$options['show_feed'],
+			__( 'Can be overwritten in shortcode.', 'stklcode-liveticker' ),
+			__( 'Show RSS feed in shortcode', 'stklcode-liveticker' )
+		);
+	}
+
+	/**
+	 * Render enable shortcode field.
+	 *
+	 * @return void
+	 *
+	 * @since 1.2.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function settings_enable_shortcode_field(): void {
+		self::render_checkbox(
+			'enable-shortcode',
+			'[enable_shortcode]',
+			self::$options['enable_shortcode'],
+			__( 'Enable shortcode processing in tick content.', 'stklcode-liveticker' ),
+			__( 'Allow shortcodes in tick content', 'stklcode-liveticker' )
+		);
+	}
+
+	/**
+	 * Render embedded script field.
+	 *
+	 * @return void
+	 *
+	 * @since 1.2.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function settings_embedded_script_field(): void {
+		self::render_checkbox(
+			'embedded-script',
+			'[embedded_script]',
+			self::$options['embedded_script'],
+			__( 'Allow embedded script evaluation in tick contents. This might be useful for embedded content, e.g. social media integrations.', 'stklcode-liveticker' ) .
+			' ' .
+			__( 'Be aware that this feature potentially enables cross-site scripting, so make sure content is created by trusted people and only enable this if required.', 'stklcode-liveticker' ),
+			__( 'Allow JavaScript in tick content', 'stklcode-liveticker' )
+		);
+	}
+
+	/**
+	 * Validate settings callback.
+	 *
+	 * @param array $input Input arguments.
+	 *
+	 * @return array Parsed arguments.
+	 *
+	 * @since 1.0.0
+	 * @since 1.3.0 moved from Admin to Settings class
+	 */
+	public static function validate_settings( array $input ): array {
+		$defaults = self::default_options();
+
+		$result['enable_ajax']      = isset( $input['enable_ajax'] ) ? intval( $input['enable_ajax'] ) : 0;
+		$result['poll_interval']    = isset( $input['poll_interval'] ) ? intval( $input['poll_interval'] ) : $defaults['poll_interval'];
+		$result['enable_css']       = isset( $input['enable_css'] ) ? intval( $input['enable_css'] ) : 0;
+		$result['show_feed']        = isset( $input['show_feed'] ) ? intval( $input['show_feed'] ) : 0;
+		$result['enable_shortcode'] = isset( $input['enable_shortcode'] ) ? intval( $input['enable_shortcode'] ) : 0;
+		$result['embedded_script']  = isset( $input['embedded_script'] ) ? intval( $input['embedded_script'] ) : 0;
+
+		return $result;
+	}
+
+	/**
+	 * Render a checkbox field.
+	 *
+	 * @param string $id                 Field ID.
+	 * @param string $name               Option name.
+	 * @param mixed  $value              Current value.
+	 * @param string $description        Description text.
+	 * @param string $screen_reader_text Screen reader text.
+	 *
+	 * @return void
+	 */
+	private static function render_checkbox(
+		string $id,
+		string $name,
+		$value,
+		string $description,
+		string $screen_reader_text
+	) {
+		?>
+		<fieldset>
+			<legend class="screen-reader-text"><?php echo esc_html( $screen_reader_text ); ?></legend>
+			<label for="<?php echo esc_attr( self::OPTION . '-' . $id ); ?>">
+				<input id="<?php echo esc_attr( self::OPTION . '-' . $id ); ?>" name="<?php echo esc_attr( self::OPTION . $name ); ?>" type="checkbox" value="1" <?php checked( $value, 1 ); ?>>
+				<?php esc_html_e( 'Enable', 'stklcode-liveticker' ); ?>
+			</label>
+			<p class="description"><?php echo esc_html( $description ); ?></p>
+		</fieldset>
+		<?php
+	}
+}

includes/class-system.php

@@ -28,7 +28,7 @@ class System extends SCLiveticker {
 	 *
 	 * @return void
 	 */
-	public static function activate() {
+	public static function activate(): void {
 		// Load current options.
 		self::update_options();
 
@@ -49,7 +49,7 @@ class System extends SCLiveticker {
 	 *
 	 * @return void
 	 */
-	public static function uninstall() {
+	public static function uninstall(): void {
 		// Delete all ticks.
 		$ticks = new WP_Query( array( 'post_type' => 'scliveticker_tick' ) );
 		foreach ( $ticks->get_posts() as $tick ) {

includes/class-widget.php

@@ -31,7 +31,7 @@ class Widget extends WP_Widget {
 	/**
 	 * Register the widget.
 	 */
-	public static function register() {
+	public static function register(): void {
 		register_widget( __CLASS__ );
 	}
 
@@ -49,10 +49,10 @@ class Widget extends WP_Widget {
 		SCLiveticker::mark_widget_present();
 
 		$instance       = self::fill_options_with_defaults( $instance );
-		$before_widget  = isset( $args['before_widget'] ) ? $args['before_widget'] : '';
-		$after_widget   = isset( $args['after_widget'] ) ? $args['after_widget'] : '';
-		$before_title   = isset( $args['before_title'] ) ? $args['before_title'] : '';
-		$after_title    = isset( $args['after_title'] ) ? $args['after_title'] : '';
+		$before_widget  = $args['before_widget'] ?? '';
+		$after_widget   = $args['after_widget'] ?? '';
+		$before_title   = $args['before_title'] ?? '';
+		$after_title    = $args['after_title'] ?? '';
 		$title          = apply_filters( 'scliveticker_catlit', $instance['title'] );
 		$category       = apply_filters( 'scliveticker_catlit', $instance['category'] );
 		$count          = apply_filters( 'scliveticker_catlit', $instance['count'] );
@@ -95,14 +95,16 @@ class Widget extends WP_Widget {
 
 		$wp_query = new WP_Query( $args );
 		$cnt      = 0;
-		while ( $wp_query->have_posts() && ( $count <= 0 || ++ $cnt < $count ) ) {
+		while ( $wp_query->have_posts() && ( $count <= 0 || ++$cnt < $count ) ) {
 			$wp_query->the_post();
-			// @codingStandardsIgnoreLine
+			// phpcs:disable WordPress.Security.EscapeOutput.OutputNotEscaped
 			echo SCLiveticker::tick_html_widget(
 				esc_html( get_the_time( 'd.m.Y - H:i' ) ),
 				get_the_title(),
-				( '1' === $highlight && get_the_time( 'U' ) > ( time() - $highlight_time ) )
+				( '1' === $highlight && get_the_time( 'U' ) > ( time() - $highlight_time ) ),
+				get_the_ID()
 			);
+			// phpcs:enable
 		}
 
 		echo '</ul>';
@@ -144,7 +146,13 @@ class Widget extends WP_Widget {
 		$highlight      = isset( $instance['highlight'] ) ? esc_attr( $instance['highlight'] ) : '0';
 		$highlight_time = isset( $instance['highlight_time'] ) ? esc_attr( $instance['highlight_time'] ) : '0';
 		$ajax           = isset( $instance['ajax'] ) ? esc_attr( $instance['ajax'] ) : '0';
-		$categories     = get_terms( 'scliveticker_ticker', 'orderby=name&order=ASC' );
+		$categories     = get_terms(
+			array(
+				'taxonomy' => 'scliveticker_ticker',
+				'orderby'  => 'name',
+				'order'    => 'ASC',
+			)
+		);
 
 		include SCLIVETICKER_DIR . 'views/widget-form.php';
 	}
@@ -156,7 +164,7 @@ class Widget extends WP_Widget {
 	 *
 	 * @return array Complete instance configuration.
 	 */
-	private static function fill_options_with_defaults( $instance ) {
+	private static function fill_options_with_defaults( array $instance ): array {
 		$default = array(
 			'title'          => '',
 			'category'       => '',

package.json

@@ -1,13 +1,13 @@
 {
   "name": "stklcode-liveticker",
-  "version": "1.1.0",
+  "version": "1.3.0",
   "description": "A simple Liveticker for Wordpress.",
   "author": "Stefan Kalscheuer",
   "license": "GPL-2.0+",
   "devDependencies": {
-    "@wordpress/eslint-plugin": "^3",
-    "eslint": "^6",
-    "stylelint": "^13",
-    "stylelint-config-wordpress": "^16"
+    "@wordpress/eslint-plugin": "^22",
+    "@wordpress/stylelint-config": "^23",
+    "eslint": "^8",
+    "stylelint": "^16"
   }
 }

phpcs.xml

@@ -12,12 +12,19 @@
 	<file>views</file>
 
 	<!-- Compliance with WordPress Coding Standard -->
-	<config name="minimum_supported_wp_version" value="4.0"/>
+	<config name="minimum_supported_wp_version" value="5.0"/>
 	<rule ref="WordPress">
 		<exclude name="WordPress.DB.SlowDBQuery.slow_db_query_tax_query"/>
 	</rule>
 
+	<!-- Verify usage of the correct textdomain for WP translation -->
+	<rule ref="WordPress.WP.I18n">
+		<properties>
+			<property name="text_domain" type="array" value="stklcode-liveticker"/>
+		</properties>
+	</rule>
+
 	<!-- PHP compatibility level -->
-	<config name="testVersion" value="5.6-"/>
-	<rule ref="PHPCompatibility"/>
+	<config name="testVersion" value="7.2-"/>
+	<rule ref="PHPCompatibilityWP"/>
 </ruleset>

phpunit.xml

@@ -1,8 +1,19 @@
 <?xml version="1.0" encoding="utf-8" ?>
-<phpunit bootstrap="./vendor/autoload.php">
+<phpunit bootstrap="tests/bootstrap.php"
+		 backupGlobals="false"
+		 colors="true"
+		 convertErrorsToExceptions="true"
+		 convertNoticesToExceptions="true"
+		 convertWarningsToExceptions="true">
 	<testsuites>
 		<testsuite name="WP Liveticker 2 TestSuite">
-			<directory suffix="-test.php">./test/</directory>
+			<directory prefix="test-" suffix=".php">./tests/</directory>
 		</testsuite>
 	</testsuites>
+
+	<filter>
+		<whitelist processUncoveredFilesFromWhitelist="true">
+			<directory suffix=".php">includes</directory>
+		</whitelist>
+	</filter>
 </phpunit>

scripts/block.js

@@ -86,6 +86,10 @@
 				type: 'boolean',
 				default: false,
 			},
+			sort: {
+				type: 'string',
+				// implicit default: 'desc', left empty here for backwards compatibility of the block
+			},
 		},
 		edit: withSelect( function( select ) {
 			return {
@@ -152,7 +156,7 @@
 							disabled: props.attributes.unlimited,
 							value: props.attributes.limit,
 							onChange: function( val ) {
-								props.setAttributes( { limit: val } );
+								props.setAttributes( { limit: Number( val ) } );
 							},
 						}
 					),
@@ -166,6 +170,26 @@
 							},
 						}
 					),
+					el(
+						wp.components.SelectControl,
+						{
+							label: __( 'Output direction', 'stklcode-liveticker' ),
+							value: props.attributes.sort,
+							options: [
+								{
+									value: 'desc',
+									label: __( 'newest first', 'stklcode-liveticker' ),
+								},
+								{
+									value: 'asc',
+									label: __( 'oldest first', 'stklcode-liveticker' ),
+								},
+							],
+							onChange: function( val ) {
+								props.setAttributes( { sort: val } );
+							},
+						}
+					),
 				];
 			}
 
@@ -183,6 +207,7 @@
 					'data-sclt-ticker': props.attributes.ticker,
 					'data-sclt-limit': props.attributes.unlimited ? 0 : props.attributes.limit,
 					'data-sclt-last': 0,
+					'data-sclt-sort': props.attributes.sort,
 				}
 			);
 		},

scripts/liveticker.js

@@ -1,14 +1,12 @@
 /**
- * Contructor of the scLiveticker object.
+ * Constructor of the scLiveticker object.
  *
  * @class
  */
 ( function() {
-	var ajaxURL = sclivetickerAjax.ajax_url;
-	var nonce = sclivetickerAjax.nonce;
-	var pollInterval = sclivetickerAjax.poll_interval;
+	var apiURL;
+	var pollInterval;
 	var ticker;
-	var widgets;
 
 	/**
 	 * Initialize iveticker JS component.
@@ -17,69 +15,45 @@
 	 */
 	var init = function() {
 		var updateNow = false;
+		var c = 0;
 
 		// Opt out if AJAX pobject not present.
-		if ( 'undefined' === typeof sclivetickerAjax ) {
+		if ( 'undefined' === typeof scliveticker ) {
 			return;
 		}
 
-		// Extract AJAX settings.
-		ajaxURL = sclivetickerAjax.ajax_url;
-		nonce = sclivetickerAjax.nonce;
-		pollInterval = sclivetickerAjax.poll_interval;
+		// Extract settings.
+		apiURL = scliveticker.api + 'wp/v2/scliveticker_tick';
+		pollInterval = scliveticker.poll_interval;
 
 		// Get ticker elements.
 		ticker = [].map.call(
 			document.querySelectorAll( 'div.wp-block-scliveticker-ticker.sclt-ajax' ),
 			function( elem ) {
-				var list = elem.querySelector( 'ul' );
-				var last = Number( elem.getAttribute( 'data-sclt-last' ) );
-
-				if ( ! list ) {
-					list = document.createElement( 'ul' );
-					elem.appendChild( list );
-				}
-
-				if ( 0 === last ) {
+				var o = parseElement( elem, false, ++c );
+				if ( '0' === o.lastPoll ) {
 					updateNow = true;
 				}
-
-				return {
-					s: elem.getAttribute( 'data-sclt-ticker' ),
-					l: elem.getAttribute( 'data-sclt-limit' ),
-					t: last,
-					e: list,
-				};
+				return o;
 			}
 		);
 
 		// Get widget elements.
-		widgets = [].map.call(
-			document.querySelectorAll( 'div.wp-widget-scliveticker-ticker.sclt-ajax' ),
-			function( elem ) {
-				var list = elem.querySelector( 'ul' );
-				var last = Number( elem.getAttribute( 'data-sclt-last' ) );
-
-				if ( ! list ) {
-					list = document.createElement( 'ul' );
-					elem.appendChild( list );
+		ticker.concat(
+			[].map.call(
+				document.querySelectorAll( 'div.wp-widget-scliveticker-ticker.sclt-ajax' ),
+				function( elem ) {
+					var o = parseElement( elem, true, ++c );
+					if ( '0' === o.lastPoll ) {
+						updateNow = true;
+					}
+					return o;
 				}
-
-				if ( 0 === last ) {
-					updateNow = true;
-				}
-
-				return {
-					w: elem.getAttribute( 'data-sclt-ticker' ),
-					l: elem.getAttribute( 'data-sclt-limit' ),
-					t: last,
-					e: list,
-				};
-			}
+			)
 		);
 
 		// Trigger update, if necessary.
-		if ( ( 0 < ticker.length || widgets.length ) && 0 < pollInterval ) {
+		if ( ( 0 < ticker.length ) && 0 < pollInterval ) {
 			if ( updateNow ) {
 				update();
 			} else {
@@ -89,100 +63,197 @@
 	};
 
 	/**
-	 * Update liveticker on current page via AJAX call.
+	 * Parse an HTML element containing a liveticker.
+	 *
+	 * @param {HTMLElement} elem   The element.
+	 * @param {boolean}     widget Is the element a widget?
+	 * @param {number}      n      Number of the container.
+	 * @return {{ticker: string, lastPoll: string, ticks: any, limit: string, isWidget: *}} Ticker descriptor object.
+	 */
+	var parseElement = function( elem, widget, n ) {
+		var list = elem.querySelector( 'ul' );
+		var last = elem.getAttribute( 'data-sclt-last' );
+		var sort = elem.getAttribute( 'data-sclt-sort' );
+
+		elem.id = 'sclt-' + n;
+
+		if ( ! list ) {
+			list = document.createElement( 'ul' );
+			elem.appendChild( list );
+		} else {
+			[].forEach.call(
+				elem.querySelectorAll( 'li.sclt-tick' ),
+				function( li ) {
+					var id = li.getAttribute( 'data-sclt-tick-id' );
+					if ( id ) {
+						li.id = 'sclt-' + n + '-' + id;
+						li.removeAttribute( 'data-sclt-tick-id' );
+					}
+				}
+			);
+		}
+
+		if ( 'asc' !== sort && 'desc' !== 'sort' ) {
+			sort = 'desc';
+		}
+
+		return {
+			id: n,
+			ticker: elem.getAttribute( 'data-sclt-ticker' ),
+			limit: elem.getAttribute( 'data-sclt-limit' ),
+			lastPoll: last,
+			sort: sort,
+			ticks: list,
+			isWidget: widget,
+			updating: false,
+		};
+	};
+
+	/**
+	 * Update liveticker on current page via REST API call.
 	 *
 	 * @return {void}
 	 */
 	var update = function() {
-		// Extract ticker-slug, limit and timestamp of last poll.
-		var updateReq = 'action=sclt_update-ticks&_ajax_nonce=' + nonce;
-		var i, j;
-		var xhr = new XMLHttpRequest();
+		// Iterate over available tickers.
+		ticker.forEach(
+			function( t ) {
+				var xhr, query;
 
-		for ( i = 0; i < ticker.length; i++ ) {
-			updateReq = updateReq +
-				'&update[' + i + '][s]=' + ticker[ i ].s +
-				'&update[' + i + '][l]=' + ticker[ i ].l +
-				'&update[' + i + '][t]=' + ticker[ i ].t;
-		}
-		for ( j = 0; j < widgets.length; j++ ) {
-			updateReq = updateReq +
-				'&update[' + ( i + j ) + '][w]=' + widgets[ j ].w +
-				'&update[' + ( i + j ) + '][l]=' + widgets[ j ].l +
-				'&update[' + ( i + j ) + '][t]=' + widgets[ j ].t;
-		}
+				if ( t.updating ) {
+					// Do not update twice.
+					return;
+				}
 
-		// Issue AJAX request.
-		xhr.open( 'POST', ajaxURL, true );
-		xhr.setRequestHeader( 'Content-Type', 'application/x-www-form-urlencoded;' );
-		xhr.onreadystatechange = function() {
-			var updateResp;
-			if ( XMLHttpRequest.DONE === this.readyState && 200 === this.status ) {
-				try {
-					updateResp = JSON.parse( this.responseText );
-					if ( updateResp ) {
-						updateResp.forEach(
-							function( u ) {
-								ticker.forEach(
-									function( t ) {
-										if ( t.s === u.s ) {
-											t.t = u.t;					// Update last poll timestamp.
-											updateHTML( t, u );	// Update HTML markup.
-										}
-									}
-								);
-								widgets.forEach(
-									function( t ) {
-										if ( t.w === u.w ) {
-											t.t = u.t;
-											updateHTML( t, u );
-										}
+				t.updating = true;
+				xhr = new XMLHttpRequest();
+				query = '?ticker=' + encodeURI( t.ticker ) +
+					'&limit=' + encodeURI( t.limit ) +
+					'&last=' + encodeURI( t.lastPoll );
+				xhr.open( 'GET', apiURL + query, true );
+				xhr.addEventListener(
+					'load',
+					function() {
+						var updateResp;
+						try {
+							updateResp = JSON.parse( this.responseText );
+							if ( updateResp ) {
+								updateResp.reverse();
+								updateResp.forEach(
+									function( u ) {
+										addTick( t, u );
 									}
 								);
 							}
-						);
+							t.updating = false;
+						} catch ( e ) {
+							// eslint-disable-next-line no-console
+							console.warn( 'Liveticker AJAX update failed, stopping automatic updates.' );
+						}
 					}
-					setTimeout( update, pollInterval );		// Re-trigger update.
-				} catch ( e ) {
-					// eslint-disable-next-line no-console
-					console.warn( 'Liveticker AJAX update failed, stopping automatic updates.' );
-				}
+				);
+				xhr.send();
 			}
-		};
-		xhr.send( updateReq );
+		);
+
+		// Re-trigger update.
+		setTimeout( update, pollInterval );
 	};
 
 	/**
 	 * Do actual update of HTML code.
 	 *
-	 * @param {Object}      t   Ticker or Widget reference.
-	 * @param {number}      t.l Limit of entries to display.
-	 * @param {HTMLElement} t.e HTML element of the ticker/widget.
-	 * @param {Object}      u   Update entity.
-	 * @param {string}      u.h HTML code to append.
-	 * @param {number}      u.t Timetsamp of last update.
+	 * @param {Object} t Ticker or Widget reference.
+	 * @param {Object} u Update entity.
 	 * @return {void}
 	 */
-	var updateHTML = function( t, u ) {
+	var addTick = function( t, u ) {
 		// Parse new DOM-part.
-		var n = document.createElement( 'ul' );
-		n.innerHTML = u.h;
+		var li = document.createElement( 'li' );
+		var time = document.createElement( 'span' );
+		var title = document.createElement( 'span' );
+		var content = document.createElement( 'div' );
+		var cls = t.isWidget ? 'sclt-widget' : 'sclt-tick';
+		var old;
+		var scripts = [];
 
-		// Prepend new ticks to container.
-		while ( n.hasChildNodes() ) {
-			t.e.prepend( n.lastChild );
-		}
+		time.classList.add( cls + '-time' );
+		time.innerText = u.modified_rendered;
+		title.classList.add( cls + '-title' );
+		title.innerText = u.title.rendered;
+		content.classList.add( cls + '-content' );
+		content.innerHTML = u.content.rendered;
 
-		t.e.parentNode.setAttribute( 'data-sclt-last', u.t );
-
-		// Remove tail, if limit is set.
-		if ( 0 < t.l ) {
-			[].slice.call( t.e.getElementsByTagName( 'li' ), t.l ).forEach(
-				function( li ) {
-					li.remove();
+		// Process embedded scripts, if any.
+		if ( scliveticker.embedded_script ) {
+			Array.prototype.forEach.call(
+				content.getElementsByTagName( 'script' ),
+				function( script ) {
+					var script2;
+					if ( script.src ) {
+						// Move referenced scripts to page head.
+						script.parentNode.removeChild( script );
+						script2 = document.createElement( 'script' );
+						Array.prototype.forEach.call( script.attributes, function( a ) {
+							script2.setAttribute( a.nodeName, a.nodeValue );
+						} );
+						document.head.appendChild( script2 );
+					} else {
+						scripts.push( script );
+					}
 				}
 			);
 		}
+
+		// Create the actual tick element.
+		li.id = 'sclt-' + t.id + '-' + u.id;
+		li.classList.add( cls );
+		li.appendChild( time );
+		li.appendChild( title );
+		li.appendChild( content );
+
+		old = document.getElementById( 'sclt-' + t.id + '-' + u.id );
+		if ( old ) {
+			// Replace entry, if it already exists (i.e. has been updated).
+			t.ticks.replaceChild( li, old );
+		} else if ( 'asc' === t.sort ) {
+			// Append new tick as last element to container.
+			t.ticks.appendChild( li );
+		} else {
+			// Prepend new tick as fist element to container.
+			t.ticks.insertBefore( li, t.ticks.firstChild );
+		}
+
+		// Update last poll time.
+		t.lastPoll = u.date_gmt;
+		t.ticks.parentNode.setAttribute( 'data-sclt-last', u.date_gmt );
+
+		// Remove tail, if limit is set.
+		if ( 0 < t.limit && t.limit < t.ticks.children.length ) {
+			if ( 'asc' === t.sort ) {
+				old = [].slice.call( t.ticks.children, 0, -t.limit );
+			} else {
+				old = [].slice.call( t.ticks.children, t.limit );
+			}
+			old.forEach(
+				function( l ) {
+					l.remove();
+				}
+			);
+		}
+
+		// Evaluate embedded inline scripts.
+
+		// Directly evaluate script otherwise.
+		scripts.forEach( function( script ) {
+			try {
+				// eslint-disable-next-line no-eval
+				eval( script.innerHTML );
+			} catch ( e ) {
+				// eslint-disable-next-line no-console
+				console.warn( 'Failed to evaluate embedded script.' );
+			}
+		} );
 	};
 
 	document.addEventListener(

stklcode-liveticker.php

@@ -9,7 +9,7 @@
  * @wordpress-plugin
  * Plugin Name: Liveticker (by stklcode)
  * Description: A simple Liveticker for WordPress.
- * Version:     1.1.0
+ * Version:     1.3.0
  * Author:      Stefan Kalscheuer
  * Author URI:  https://www.stklcode.de
  * Text Domain: stklcode-liveticker
@@ -26,7 +26,7 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with Liveticker (by stklcode). If not, see http://www.gnu.org/licenses/gpl-2.0.html.
+ * along with Liveticker (by stklcode). If not, see https://www.gnu.org/licenses/gpl-2.0.html.
  */
 
 // Exit if accessed directly.
@@ -64,22 +64,24 @@ spl_autoload_register( 'scliveticker_autoload' );
 /**
  * Autoloader for Liveticker classes.
  *
- * @param string $class  Name of the class to load.
+ * @param string $class_name  Name of the class to load.
  *
  * @return void
  */
-function scliveticker_autoload( $class ) {
+function scliveticker_autoload( string $class_name ): void {
 	$plugin_classes = array(
 		'SCLiveticker\\SCLiveticker',
 		'SCLiveticker\\Admin',
+		'SCLiveticker\\Api',
+		'SCLiveticker\\Settings',
 		'SCLiveticker\\System',
 		'SCLiveticker\\Widget',
 	);
-	if ( in_array( $class, $plugin_classes, true ) ) {
+	if ( in_array( $class_name, $plugin_classes, true ) ) {
 		require_once sprintf(
 			'%s/includes/class-%s.php',
 			SCLIVETICKER_DIR,
-			strtolower( str_replace( '_', '-', substr( $class, 13 ) ) )
+			strtolower( str_replace( '_', '-', substr( $class_name, 13 ) ) )
 		);
 	}
 }

tests/bootstrap.php

@@ -0,0 +1,29 @@
+<?php
+/**
+ * PHPUnit bootstrap file.
+ *
+ * @package SCLiveticker
+ */
+
+use Yoast\WPTestUtils\WPIntegration;
+
+require_once dirname( __DIR__ ) . '/vendor/yoast/wp-test-utils/src/WPIntegration/bootstrap-functions.php';
+
+$_tests_dir = WPIntegration\get_path_to_wp_test_dir();
+
+// Get access to tests_add_filter() function.
+require_once $_tests_dir . 'includes/functions.php';
+
+// Add plugin to active mu-plugins to make sure it gets loaded.
+tests_add_filter(
+	'muplugins_loaded',
+	function() {
+		require dirname( __DIR__ ) . '/stklcode-liveticker.php';
+	}
+);
+
+/*
+ * Bootstrap WordPress. This will also load the Composer autoload file, the PHPUnit Polyfills
+ * and the custom autoloader for the TestCase and the mock object classes.
+ */
+WPIntegration\bootstrap_it();

tests/test-api.php

@@ -0,0 +1,157 @@
+<?php
+/**
+ * Liveticker: Plugin API tests.
+ *
+ * This file contains unit tests for the plugin's REST API extensions.
+ *
+ * @package SCLiveticker
+ */
+
+namespace SCLiveticker;
+
+use DateInterval;
+use DateTime;
+use WP_REST_Request;
+use WP_REST_Server;
+use Yoast\WPTestUtils\WPIntegration\TestCase;
+
+/**
+ * Class Test_API.
+ */
+class Test_API extends TestCase {
+	/**
+	 * Initialize WP REST API for tests.
+	 *
+	 * @return void
+	 */
+	public function set_up(): void {
+		parent::set_up();
+		global $wp_rest_server;
+		$wp_rest_server = new WP_REST_Server();
+		do_action( 'rest_api_init' );
+	}
+
+	/**
+	 * Test presence of registered routes for ticks and tickers.
+	 *
+	 * @return void
+	 */
+	public function test_register_route(): void {
+		global $wp_rest_server;
+
+		$routes = $wp_rest_server->get_routes();
+
+		self::assertArrayHasKey( '/wp/v2/scliveticker_tick', $routes, 'Ticks not exposed in API' );
+		self::assertArrayHasKey( '/wp/v2/scliveticker_tick/(?P<id>[\d]+)', $routes, 'Specific ticks not exposed in API' );
+		self::assertArrayHasKey( '/wp/v2/scliveticker_ticker', $routes, 'Tickers not exposed in API' );
+		self::assertArrayHasKey( '/wp/v2/scliveticker_ticker/(?P<id>[\d]+)', $routes, 'Specific tickers not exposed in API' );
+	}
+
+	/**
+	 * Test fetching ticks and tickers via the REST API.
+	 *
+	 * @return void
+	 */
+	public function test_get_ticks(): void {
+		global $wp_rest_server;
+
+		$request  = new WP_REST_Request( 'GET', '/wp/v2/scliveticker_tick' );
+		$response = $wp_rest_server->dispatch( $request );
+		self::assertEquals( 200, $response->get_status(), 'Unexpected status code' );
+		self::assertEmpty( $response->get_data(), 'No data expected on empty database' );
+
+		// Create two tickers with 10 ticks each.
+		wp_set_current_user( 1 );
+		$ticker_id = array(
+			1 => self::factory()->term->create(
+				array(
+					'name'        => 'Ticker 1',
+					'description' => 'Test Liveticker 1',
+					'slug'        => 'ticker1',
+					'taxonomy'    => 'scliveticker_ticker',
+				)
+			),
+			2 >= self::factory()->term->create(
+				array(
+					'name'        => 'Ticker 2',
+					'description' => 'Test Liveticker 2',
+					'slug'        => 'ticker2',
+					'taxonomy'    => 'scliveticker_ticker',
+				)
+			),
+		);
+
+		$dt = new DateTime( '2021-05-22 16:17:18' );
+		foreach ( range( 1, 20 ) as $n ) {
+			$t = 0 === $n % 2 ? '1' : '2';
+			$i = ceil( $n / 2 );
+			$p = self::factory()->post->create(
+				array(
+					'post_type'     => 'scliveticker_tick',
+					'post_date_gmt' => $dt->format( 'Y-m-d H_i_s' ),
+					'post_title'    => 'Tick ' . $t . '.' . $i,
+					'post_status'   => 'publish',
+					'post_content'  => 'Content of Tick ' . $t . '.' . $i,
+				)
+			);
+			wp_set_object_terms( $p, $ticker_id[ $t ], 'scliveticker_ticker' );
+			$dt->add( new DateInterval( 'PT1M' ) );
+		}
+		wp_set_current_user( 0 );
+
+		// Verify ticker presence via API.
+		$response = $wp_rest_server->dispatch( new WP_REST_Request( 'GET', '/wp/v2/scliveticker_ticker' ) );
+		self::assertEquals( 200, $response->get_status(), 'Unexpected status code' );
+		self::assertEquals( 2, count( $response->get_data() ), 'Unexpected number of tickers' );
+
+		// Query all entries. The "limit" parameter should overrule "per_page".
+		$request->set_param( 'limit', - 1 );
+		$response = $wp_rest_server->dispatch( $request );
+		self::assertEquals( 200, $response->get_status(), 'Unexpected status code' );
+		self::assertEquals( 20, count( $response->get_data() ), 'Unexpected number of ticks without filter' );
+
+		// Limit number of entries.
+		$request->set_param( 'limit', 12 );
+		$response = $wp_rest_server->dispatch( $request );
+		self::assertEquals( 200, $response->get_status(), 'Unexpected status code with limit' );
+		self::assertEquals( 12, count( $response->get_data() ), 'Unexpected number of ticks with limit' );
+
+		// Use built-in pagination.
+		$request->set_param( 'limit', null );
+		$request->set_param( 'per_page', 13 );
+		$response = $wp_rest_server->dispatch( $request );
+		self::assertEquals( 200, $response->get_status(), 'Unexpected status code for first page' );
+		self::assertEquals( 13, count( $response->get_data() ), 'Unexpected number of ticks for first page' );
+		self::assertEquals( 20, $response->get_headers()['X-WP-Total'], 'Unexpected total header' );
+		self::assertEquals( 2, $response->get_headers()['X-WP-TotalPages'], 'Unexpected pages header' );
+		$request->set_param( 'page', 2 );
+		$response = $wp_rest_server->dispatch( $request );
+		self::assertEquals( 200, $response->get_status(), 'Unexpected status code for second page' );
+		self::assertEquals( 7, count( $response->get_data() ), 'Unexpected number of ticks for second page' );
+
+		// Filter by time.
+		$request->set_param( 'limit', null );
+		$request->set_param( 'per_page', 10 );
+		$request->set_param( 'page', 1 );
+		$request->set_param( 'last', $dt->sub( new DateInterval( 'PT4M' ) )->format( 'Y-m-d H:i:s' ) );
+		$response = $wp_rest_server->dispatch( $request );
+		self::assertEquals( 200, $response->get_status(), 'Unexpected status code with time filter' );
+		self::assertEquals( 3, count( $response->get_data() ), 'Unexpected number of ticks with time filter' );
+
+		// Filter by ticker.
+		$request->set_param( 'last', null );
+		$request->set_param( 'ticker', 'ticker1' );
+		$response = $wp_rest_server->dispatch( $request );
+		self::assertEquals( 200, $response->get_status(), 'Unexpected status code with ticker filter' );
+		self::assertEquals( 10, count( $response->get_data() ), 'Unexpected number of ticks with ticker filter' );
+		self::assertEmpty(
+			array_filter(
+				$response->get_data(),
+				function ( $t ) use ( $ticker_id ) {
+					return 1 !== count( $t['scliveticker_ticker'] ) || ! in_array( $ticker_id[1], $t['scliveticker_ticker'], true );
+				}
+			),
+			'No tick from ticker 2 should be present filtering for ticker1'
+		);
+	}
+}

views/settings-page.php

@@ -1,29 +0,0 @@
-<?php
-/**
- * Liveticker: Settings page.
- *
- * This file contains the view model for the Plugin settings oage.
- *
- * @package Liveticker
- */
-
-if ( ! defined( 'ABSPATH' ) ) {
-	exit;
-}
-?>
-<div class="wrap">
-	<div id="icon-options-general" class="icon32"><br></div>
-	<h2>Liveticker <?php esc_html_e( 'Settings', 'stklcode-liveticker' ); ?></h2>
-	<?php
-	if ( isset( $_GET['settings-updated'] ) ) {	// phpcs:ignore
-		echo '<div class="updated"><p>' . esc_html__( 'Settings updated successfully.', 'stklcode-liveticker' ) . '</p></div>';
-	}
-	?>
-	<form action="options.php" method="post">
-		<?php
-		settings_fields( 'scliveticker_settings' );
-		do_settings_sections( 'scliveticker-settings-page' );
-		submit_button();
-		?>
-	</form>
-</div>

views/widget-form.php

@@ -14,7 +14,7 @@ if ( ! defined( 'ABSPATH' ) ) {
 <table>
 	<tr>
 		<td>
-			<label for="<?php echo esc_html( $this->get_field_id( 'title' ) ); ?>"><?php esc_html_e( 'Title:' ); ?></label>
+			<label for="<?php echo esc_html( $this->get_field_id( 'title' ) ); ?>"><?php esc_html_e( 'Title:', 'stklcode-liveticker' ); ?></label>
 		</td>
 		<td>
 			<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />
@@ -54,10 +54,10 @@ if ( ! defined( 'ABSPATH' ) ) {
 					<?php esc_html_e( 'all', 'stklcode-liveticker' ); ?>
 				</option>
 				<?php
-				for ( $i = 1; $i <= 10; $i ++ ) {
+				for ( $i = 1; $i <= 10; $i++ ) {
 					printf(
 						'<option value="%d"%s>%d</option>',
-						$i,
+						intval( $i ),
 						( $i === $count ) ? ' selected' : '',
 						intval( $i )
 					);