BP_Document::get_folder_data( array $folder_ids = array() )

	protected static function get_folder_data( $folder_ids = array() ) {
		global $wpdb;

		// Bail if no document ID's passed.
		if ( empty( $folder_ids ) ) {
			return array();
		}

		// Get BuddyPress.
		$bp = buddypress();

		$documents    = array();
		$uncached_ids = bp_get_non_cached_ids( $folder_ids, 'bp_document_folder' );

		// Prime caches as necessary.
		if ( ! empty( $uncached_ids ) ) {
			// Format the document ID's for use in the query below.
			$uncached_ids_sql = implode( ',', wp_parse_id_list( $uncached_ids ) );

			// Fetch data from document table, preserving order.
			$queried_adata = $wpdb->get_results( "SELECT * FROM {$bp->document->table_name_folder} WHERE id IN ({$uncached_ids_sql})" ); // db call ok; no-cache ok;

			// Put that data into the placeholders created earlier,
			// and add it to the cache.
			foreach ( (array) $queried_adata as $adata ) {
				wp_cache_set( $adata->id, $adata, 'bp_document_folder' );
			}
		}

		// Now fetch data from the cache.
		foreach ( $folder_ids as $document_id ) {
			// Integer casting.
			$document = wp_cache_get( $document_id, 'bp_document_folder' );
			if ( ! empty( $document ) ) {
				$document->id           = (int) $document->id;
				$document->user_id      = (int) $document->user_id;
				$document->group_id     = (int) $document->group_id;
				$document->date_created = $document->date_created;
				$document->title        = $document->title;
				$document->privacy      = $document->privacy;
				$document->parent       = $document->parent;
				$document->folder_id    = (int) $document->id;

				if ( (int) $document->group_id > 0 ) {
					$document->folder = 'group';
					if ( bp_is_active( 'groups' ) ) {
						$group              = groups_get_group( array( 'group_id' => $document->group_id ) );
						$document->link     = bp_get_group_permalink( $group ) . bp_get_document_slug() . '/folder/' . (int) $document->id;
					}
					$document->link = '';

				} else {
					$document->folder = 'profile';
					$document->link   = bp_core_get_user_domain( (int) $document->user_id ) . bp_get_document_slug() . '/folder/' . (int) $document->id;
				}
			}

			$group_name = '';
			$visibility = '';
			if ( $document->group_id > 0 ) {
				if ( bp_is_active( 'groups' ) ) {
					$group      = groups_get_group( $document->group_id );
					$group_name = bp_get_group_name( $group );
					$status     = bp_get_group_status( $group );
					if ( 'hidden' === $status || 'private' === $status ) {
						$visibility = esc_html__( 'Group Members', 'buddyboss' );
					} else {
						$visibility = ucfirst( $status );
					}
				} else {
					$visibility = '';
				}
			} else {
				$document_privacy = bp_document_get_visibility_levels();
				if ( 'friends' === $document->privacy && bp_loggedin_user_id() !== (int) $document->user_id ) {
					$visibility = esc_html__( 'Connections', 'buddyboss' );
				} else {
					$visibility = (isset( $document_privacy[ $document->privacy ] ) ) ? $document_privacy[ $document->privacy ] : $document->privacy ;
				}
			}

			$document->group_name = $group_name;
			$document->visibility = $visibility;

			$documents[] = $document;
		}

		// Then fetch user data.
		$user_query = new BP_User_Query(
			array(
				'user_ids'        => wp_list_pluck( $documents, 'user_id' ),
				'populate_extras' => false,
			)
		);

		// Associated located user data with document items.
		foreach ( $documents as $a_index => $a_item ) {
			$a_user_id = intval( $a_item->user_id );
			$a_user    = isset( $user_query->results[ $a_user_id ] ) ? $user_query->results[ $a_user_id ] : '';

			if ( ! empty( $a_user ) ) {
				$documents[ $a_index ]->user_email    = $a_user->user_email;
				$documents[ $a_index ]->user_nicename = $a_user->user_nicename;
				$documents[ $a_index ]->user_login    = $a_user->user_login;
				$documents[ $a_index ]->display_name  = $a_user->display_name;
			}
		}

		return $documents;
	}