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<?php |
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|
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/** |
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* Manages upgrade tasks such as deleting and updating options |
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*/ |
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class Code_Snippets_Upgrade { |
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|
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/** |
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* Instance of database class |
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* @var Code_Snippets_DB |
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*/ |
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private $db; |
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|
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/** |
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* The current plugin version number |
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* @var string |
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*/ |
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private $current_version; |
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|
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/** |
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* Class constructor |
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* |
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* @param string $version Current plugin version |
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* @param Code_Snippets_DB $db Instance of database class |
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*/ |
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public function __construct( $version, Code_Snippets_DB $db ) { |
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$this->db = $db; |
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$this->current_version = $version; |
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} |
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|
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/** |
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* Run the upgrade functions |
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*/ |
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public function run() { |
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|
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/* Always run multisite upgrades, even if not on the main site, as subsites depend on the network snippet table */ |
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if ( is_multisite() ) { |
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$this->do_multisite_upgrades(); |
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} |
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|
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$this->do_site_upgrades(); |
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} |
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|
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/** |
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* Perform upgrades for the current site |
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*/ |
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private function do_site_upgrades() { |
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$table_name = $this->db->table; |
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$prev_version = get_option( 'code_snippets_version' ); |
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|
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/* Do nothing if the plugin has not been updated or installed */ |
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if ( ! version_compare( $prev_version, $this->current_version, '<' ) ) { |
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return; |
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} |
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|
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$this->db->create_table( $table_name ); |
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|
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/* Update the plugin version stored in the database */ |
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update_option( 'code_snippets_version', $this->current_version ); |
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|
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/* Update the scope column of the database */ |
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if ( version_compare( $prev_version, '2.10.0', '<' ) ) { |
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$this->migrate_scope_data( $table_name ); |
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} |
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|
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/* Custom capabilities were removed after version 2.9.5 */ |
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if ( version_compare( $prev_version, '2.9.5', '<=' ) ) { |
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$role = get_role( apply_filters( 'code_snippets_role', 'administrator' ) ); |
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$role->remove_cap( apply_filters( 'code_snippets_cap', 'manage_snippets' ) ); |
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} |
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|
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if ( false === $prev_version ) { |
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$this->create_sample_content(); |
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} |
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} |
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|
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/** |
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* Perform multisite-only upgrades |
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*/ |
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private function do_multisite_upgrades() { |
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$table_name = $this->db->ms_table; |
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$prev_version = get_site_option( 'code_snippets_version' ); |
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|
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/* Do nothing if the plugin has not been updated or installed */ |
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if ( ! version_compare( $prev_version, $this->current_version, '<' ) ) { |
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return; |
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} |
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|
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/* Always attempt to create or upgrade the database tables */ |
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$this->db->create_table( $table_name ); |
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|
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/* Update the plugin version stored in the database */ |
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update_site_option( 'code_snippets_version', $this->current_version ); |
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|
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/* Update the scope column of the database */ |
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if ( version_compare( $prev_version, '2.10.0', '<' ) ) { |
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$this->migrate_scope_data( $table_name ); |
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} |
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|
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/* Custom capabilities were removed after version 2.9.5 */ |
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if ( version_compare( $prev_version, '2.9.5', '<=' ) ) { |
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$network_cap = apply_filters( 'code_snippets_network_cap', 'manage_network_snippets' ); |
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|
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foreach ( get_super_admins() as $admin ) { |
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$user = new WP_User( 0, $admin ); |
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$user->remove_cap( $network_cap ); |
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} |
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} |
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} |
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|
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/** |
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* Migrate data from the old integer method of storing scopes to the new string method |
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* |
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* @param string $table_name |
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*/ |
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private function migrate_scope_data( $table_name ) { |
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global $wpdb; |
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|
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$scopes = array( |
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0 => 'global', |
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1 => 'admin', |
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2 => 'front-end', |
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); |
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|
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foreach ( $scopes as $scope_number => $scope_name ) { |
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$wpdb->query( sprintf( |
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"UPDATE %s SET scope = '%s' WHERE scope = %d", |
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$table_name, $scope_name, $scope_number |
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) ); |
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} |
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} |
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|
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/** |
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* Add sample snippet content to the database |
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*/ |
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public function create_sample_content() { |
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|
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if ( ! apply_filters( 'code_snippets/create_sample_content', true ) ) { |
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return; |
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} |
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|
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$snippets = array( |
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|
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array( |
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'name' => __( 'Example HTML shortcode', 'code-snippets' ), |
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'code' => sprintf( |
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"\nadd_shortcode( 'shortcode_name', function () {\n\n\t\$out = '<p>%s</p>';\n\n\treturn \$out;\n} );", |
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strip_tags( __( 'write your HTML shortcode content here', 'code-snippets' ) ) |
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), |
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'desc' => __( 'This is an example snippet for demonstrating how to add an HTML shortcode.', 'code-snippets' ), |
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'tags' => array( 'shortcode' ), |
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), |
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|
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array( |
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'name' => __( 'Example CSS snippet', 'code-snippets' ), |
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'code' => sprintf( |
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"\nadd_action( 'wp_head', function () { ?>\n\t<style>\n\n\t\t/* %s */\n\n\t</style>\n<?php } );\n", |
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strip_tags( __( 'write your CSS code here', 'code-snippets' ) ) |
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), |
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'desc' => __( 'This is an example snippet for demonstrating how to add custom CSS code to your website.', 'code-snippets' ), |
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'tags' => array( 'css' ), |
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'scope' => 'front-end', |
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), |
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|
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array( |
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'name' => __( 'Example JavaScript snippet', 'code-snippets' ), |
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'code' => sprintf( |
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"\nadd_action( 'wp_head', function () { ?>\n\t<script>\n\n\t\t/* %s */\n\n\t</script>\n<?php } );\n", |
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strip_tags( __( 'write your JavaScript code here', 'code-snippets' ) ) |
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), |
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'desc' => __( 'This is an example snippet for demonstrating how to add custom JavaScript code to your website.', 'code-snippets' ), |
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'tags' => array( 'javascript' ), |
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'scope' => 'front-end', |
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), |
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|
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array( |
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'name' => __( 'Order snippets by name', 'code-snippets' ), |
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'code' => "\nadd_filter( 'code_snippets/list_table/default_orderby', function () {\n\treturn 'name';\n} );\n", |
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'desc' => __( 'Order snippets by name by default in the snippets table.', 'code-snippets' ), |
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'tags' => array( 'code-snippets-plugin' ), |
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'scope' => 'admin', |
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), |
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); |
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|
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foreach ( $snippets as $snippet ) { |
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$snippet = new Code_Snippet( $snippet ); |
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$snippet->desc .= ' ' . __( 'You can remove it, or edit it to add your own content.', 'code-snippets' ); |
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save_snippet( $snippet ); |
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} |
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} |
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} |
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|
