Add support for Harmony video events (#14)

classes/class-init.php

@@ -189,6 +189,7 @@ private function _get_query_args_instances(): array {
 			new Query_Args\PMC_Events(),
 			new Query_Args\PMC_FAQ(),
 			new Query_Args\PMC_Gallery(),
+			new Query_Args\PMC_Harmony_Companion(),
 			new Query_Args\PMC_Hub(),
 			new Query_Args\PMC_List(),
 			new Query_Args\PMC_Not_For_Publication(),

classes/query-args/class-pmc-harmony-companion.php

@@ -0,0 +1,55 @@
+<?php
+/**
+ * Retain the last six months of `pmc_event_video` objects and their associated data.
+ *
+ * @package pmc-wp-local-data-cli
+ */
+
+declare( strict_types = 1 );
+
+namespace PMC\WP_Local_Data_CLI\Query_Args;
+
+use PMC\Harmony_Companion\Event_Video;
+use PMC\WP_Local_Data_CLI\Query_Args;
+
+/**
+ * Class PMC_Harmony_Companion.
+ */
+final class PMC_Harmony_Companion extends Query_Args {
+	/**
+	 * Build array of `WP_Query` arguments used to retrieve IDs to retain.
+	 *
+	 * @return array
+	 */
+	public static function get_query_args(): array {
+		return [
+			'post_type'  => Event_Video::POST_TYPE_NAME,
+			'date_query' => [
+				[
+					'after' => '-6 months',
+				],
+			],
+		];
+	}
+
+	/**
+	 * Process dependent data associated with a given ID, such as a post's
+	 * thumbnail.
+	 *
+	 * If post type has no dependent data, set `static::$find_linked_ids` to
+	 * false to skip this method.
+	 *
+	 * @param int    $id        Post ID.
+	 * @param string $post_type Post type of given ID.
+	 * @return array
+	 */
+	// Declaration must be compatible with overridden method.
+	// phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundInExtendedClassAfterLastUsed, Squiz.Commenting.FunctionComment.Missing, VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
+	public static function get_linked_ids( int $id, string $post_type ): array {
+		$ids = [];
+
+		self::_add_thumbnail_id( $ids, $id );
+
+		return $ids;
+	}
+}