Add the ability to delete terms

The following modules are added along with their tests

- DeleteTermsByName
- DeleteTermsByPostCount

Fix #19 
Fix #176 
Fix #177 
Fix #178
Fix #348
Fix #349

assets/js/src/delete-terms.js

@@ -0,0 +1,8 @@
+/**
+ * Delete Terms modules.
+ */
+jQuery( document ).ready( function () {
+	jQuery( '.enhanced-taxonomy-list' ).select2( {
+		width: '300px'
+	} );
+} );

include/Core/Base/Mixin/Renderer.php

@@ -112,6 +112,23 @@ protected function render_post_type_dropdown() {
 		bd_render_post_type_dropdown( $this->field_slug );
 	}
 
+	/**
+	 * Render Taxonomy dropdown.
+	 */
+	protected function render_taxonomy_dropdown() {
+		$taxonomies = get_taxonomies( array(), 'objects' );
+		?>
+
+		<select name="smbd_<?php echo esc_attr( $this->field_slug ); ?>_taxonomy" class="enhanced-taxonomy-list" data-placeholder="<?php _e( 'Select Taxonomy', 'bulk-delete' ); ?>">
+			<?php foreach ( $taxonomies as $taxonomy ) : ?>
+				<option value="<?php echo esc_attr( $taxonomy->name ); ?>">
+					<?php echo esc_html( $taxonomy->label ); ?>
+				</option>
+			<?php endforeach; ?>
+		</select>
+		<?php
+	}
+
 	/**
 	 * Render Category dropdown.
 	 */
@@ -137,6 +154,36 @@ class="<?php echo sanitize_html_class( $this->enable_ajax_if_needed_to_dropdown_
 		<?php
 	}
 
+	/**
+	 * Render String based comparison operators dropdown.
+	 */
+	protected function render_string_comparison_operators() {
+		?>
+		<select name="smbd_<?php echo esc_attr( $this->field_slug ); ?>_operator">
+			<option value="equal_to"><?php _e( 'equal to', 'bulk-delete' ); ?></option>
+			<option value="not_equal_to"><?php _e( 'not equal to', 'bulk-delete' ); ?></option>
+			<option value="starts_with"><?php _e( 'starts with', 'bulk-delete' ); ?></option>
+			<option value="ends_with"><?php _e( 'ends with', 'bulk-delete' ); ?></option>
+			<option value="contains"><?php _e( 'contains', 'bulk-delete' ); ?></option>
+			<option value="not_contains"><?php _e( 'not contains', 'bulk-delete' ); ?></option>
+		</select>
+		<?php
+	}
+
+	/**
+	 * Render number based comparison operators dropdown.
+	 */
+	protected function render_number_comparison_operators() {
+		?>
+		<select name="smbd_<?php echo esc_attr( $this->field_slug ); ?>_operator">
+			<option value="equal_to"><?php _e( 'equal to', 'bulk-delete' ); ?></option>
+			<option value="not_equal_to"><?php _e( 'not equal to', 'bulk-delete' ); ?></option>
+			<option value="less_than"><?php _e( 'less than', 'bulk-delete' ); ?></option>
+			<option value="greater_than"><?php _e( 'greater than', 'bulk-delete' ); ?></option>
+		</select>
+		<?php
+	}
+
 	/**
 	 * Render Tags dropdown.
 	 */
@@ -233,6 +280,13 @@ protected function render_post_type_checkboxes( $name ) {
 		<?php
 	}
 
+	/**
+	 * Render the "private post" setting fields.
+	 */
+	protected function render_private_post_settings() {
+		bd_render_private_post_settings( $this->field_slug );
+	}
+
 	/**
 	 * Get the threshold after which enhanced select should be used.
 	 *

include/Core/BulkDelete.php

@@ -20,6 +20,9 @@
 use BulkWP\BulkDelete\Core\Posts\Modules\DeletePostsByTagModule;
 use BulkWP\BulkDelete\Core\Posts\Modules\DeletePostsByTaxonomyModule;
 use BulkWP\BulkDelete\Core\Posts\Modules\DeletePostsByURLModule;
+use BulkWP\BulkDelete\Core\Terms\DeleteTermsPage;
+use BulkWP\BulkDelete\Core\Terms\Modules\DeleteTermsByNameModule;
+use BulkWP\BulkDelete\Core\Terms\Modules\DeleteTermsByPostCountModule;
 use BulkWP\BulkDelete\Core\Users\DeleteUsersPage;
 use BulkWP\BulkDelete\Core\Users\Modules\DeleteUsersByUserMetaModule;
 use BulkWP\BulkDelete\Core\Users\Modules\DeleteUsersByUserRoleModule;
@@ -310,11 +313,13 @@ public function get_primary_pages() {
 			$pages_page = $this->get_delete_pages_admin_page();
 			$users_page = $this->get_delete_users_admin_page();
 			$metas_page = $this->get_delete_metas_admin_page();
+			$terms_page = $this->get_delete_terms_admin_page();
 
 			$this->primary_pages[ $posts_page->get_page_slug() ] = $posts_page;
 			$this->primary_pages[ $pages_page->get_page_slug() ] = $pages_page;
 			$this->primary_pages[ $users_page->get_page_slug() ] = $users_page;
 			$this->primary_pages[ $metas_page->get_page_slug() ] = $metas_page;
+			$this->primary_pages[ $terms_page->get_page_slug() ] = $terms_page;
 		}
 
 		/**
@@ -467,6 +472,22 @@ private function get_delete_metas_admin_page() {
 		return $metas_page;
 	}
 
+	/**
+	 * Get Bulk Delete Terms admin page.
+	 *
+	 * @since 6.0.0
+	 *
+	 * @return \BulkWP\BulkDelete\Core\Terms\DeleteTermsPage
+	 */
+	private function get_delete_terms_admin_page() {
+		$terms_page = new DeleteTermsPage( $this->get_plugin_file() );
+
+		$terms_page->add_module( new DeleteTermsByNameModule() );
+		$terms_page->add_module( new DeleteTermsByPostCountModule() );
+
+		return $terms_page;
+	}
+
 	/**
 	 * Get the Cron List admin page.
 	 *

include/Core/Controller.php

@@ -211,9 +211,13 @@ public function filter_plugin_action_links( $action_links, $file ) {
 	 * @since 5.6
 	 * @since 6.0.0 Moved into Controller class.
 	 *
-	 * @param \WP_Query $wp_query WP Query object.
+	 * @param \WP_Query|\WP_Term_Query|\WP_User_Query $wp_query Query object.
 	 */
 	public function log_sql_query( $wp_query ) {
+		if ( ! property_exists( $wp_query, 'request' ) ) {
+			return;
+		}
+
 		$query = $wp_query->request;
 
 		/**

include/Core/Terms/DeleteTermsPage.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace BulkWP\BulkDelete\Core\Terms;
+
+use BulkWP\BulkDelete\Core\Base\BaseDeletePage;
+
+defined( 'ABSPATH' ) || exit; // Exit if accessed directly.
+
+/**
+ * Bulk Delete Terms Page.
+ *
+ * Shows the list of modules that allows you to delete terms.
+ *
+ * @since 6.0.0
+ */
+class DeleteTermsPage extends BaseDeletePage {
+	protected function initialize() {
+		$this->page_slug  = 'bulk-delete-terms';
+		$this->item_type  = 'terms';
+		$this->capability = 'delete_posts';
+
+		$this->label = array(
+			'page_title' => __( 'Bulk Delete Taxonomy Terms', 'bulk-delete' ),
+			'menu_title' => __( 'Bulk Delete Terms', 'bulk-delete' ),
+		);
+
+		$this->messages = array(
+			'warning_message' => __( 'WARNING: Once deleted, terms cannot be retrieved back. Use with caution.', 'bulk-delete' ),
+		);
+
+		$this->show_link_in_plugin_list = true;
+	}
+
+	/**
+	 * Add Help tabs.
+	 *
+	 * @param array $help_tabs Help tabs.
+	 *
+	 * @return array Modified list of tabs.
+	 */
+	protected function add_help_tab( $help_tabs ) {
+		$overview_tab = array(
+			'title'    => __( 'Overview', 'bulk-delete' ),
+			'id'       => 'overview_tab',
+			'content'  => '<p>' . __( 'This screen contains different modules that allows you to delete terms from taxonomies', 'bulk-delete' ) . '</p>',
+			'callback' => false,
+		);
+
+		$help_tabs['overview_tab'] = $overview_tab;
+
+		return $help_tabs;
+	}
+}