Initial commit. Extracted from former pull request on Statify project

inc/statifyblacklist_system.class.php

@@ -0,0 +1,80 @@
+<?php
+
+/* Quit */
+defined('ABSPATH') OR exit;
+
+/**
+ * Statify system configuration
+ *
+ * @since 1.0.0
+ */
+
+class StatifyBlacklist_System extends StatifyBlacklist
+{
+  /**
+   * Plugin install handler.
+   *
+   * @since 1.0.0
+   *
+   * @param bool $network_wide Whether the plugin was activated network-wide or not.
+   */
+  public static function install( $network_wide = false ) {
+    global $wpdb;
+
+    // Create tables for each site in a network.
+    if ( is_multisite() && $network_wide ) {
+      // Todo: Use get_sites() in WordPress 4.6+
+      $ids = $wpdb->get_col( "SELECT blog_id FROM `$wpdb->blogs`" );
+
+      foreach ( $ids as $site_id ) {
+        switch_to_blog( $site_id );
+        add_option(
+          'statify-blacklist',
+          array()
+        );
+      }
+
+      restore_current_blog();
+    } else {
+      add_option(
+        'statify-blacklist',
+        array()
+      );
+    }
+  }
+
+  /**
+   * Plugin deactivation actions
+   *
+   * @since   1.0.0
+   */
+
+  public static function deactivate()
+  {
+  }
+
+  /**
+   * Plugin uninstall handler.
+   *
+   * @since 1.0.0
+   */
+  public static function uninstall() {
+    global $wpdb;
+
+    if ( is_multisite() ) {
+      $old = get_current_blog_id();
+
+      // Todo: Use get_sites() in WordPress 4.6+
+      $ids = $wpdb->get_col( "SELECT blog_id FROM `$wpdb->blogs`" );
+
+      foreach ( $ids as $id ) {
+        switch_to_blog( $id );
+        delete_option('statify-blacklist');
+      }
+
+      switch_to_blog( $old );
+    }
+
+    delete_option('statify-blacklist');
+  }
+}