refactor: UI for Schedule option in Settings

includes/admin/feedzy-rss-feeds-admin.php

@@ -3132,4 +3132,21 @@ public function validate_feed() {
 			);
 		}
 	}
+
+	/**
+	 * Add slugs for internal cron schedules.
+	 * 
+	 * @param string[] $cron_slugs The cron slugs to be modified.
+	 * @return string[]
+	 */
+	public function internal_cron_schedule_slugs( $cron_slugs ) {
+		$wp_standard_schedules = array(
+			'hourly',
+			'twicedaily', 
+			'daily',
+			'weekly',
+		);
+
+		return array_merge( $wp_standard_schedules, $cron_slugs );
+	}
 }

includes/feedzy-rss-feeds.php

@@ -205,6 +205,7 @@ private function define_admin_hooks() {
 		self::$instance->loader->add_action( 'init', self::$instance->admin, 'register_settings' );
 		self::$instance->loader->add_action( 'wp_ajax_feedzy_validate_feed', self::$instance->admin, 'validate_feed' );
 		self::$instance->loader->add_action( 'wp_ajax_feedzy_dashboard_subscribe', self::$instance->admin, 'feedzy_dashboard_subscribe' );
+		self::$instance->loader->add_filter( 'feedzy_internal_cron_schedule_slugs', self::$instance->admin, 'internal_cron_schedule_slugs', 10, 1 );
 
 		// do not load this with the loader as this will need a corresponding remove_filter also.
 		add_filter( 'update_post_metadata', array( self::$instance->admin, 'validate_category_feeds' ), 10, 5 );

includes/layouts/settings.php

@@ -258,7 +258,7 @@ class="btn btn-outline-primary<?php echo 0 === $index ? ' disabled' : ''; ?>" <?
 										<div class="fz-form-row">
 											<div class="fz-form-col-6">
 												<div class="fz-form-group">
-													<label class="form-label"><?php esc_html_e( 'Schedule', 'feedzy-rss-feeds' ); ?></label>
+													<label class="form-label"><?php esc_html_e( 'Default Importing Schedule', 'feedzy-rss-feeds' ); ?></label>
 													<?php
 													$save_schedule = ! empty( $settings['general']['fz_cron_schedule'] ) ? $settings['general']['fz_cron_schedule'] : '';
 
@@ -268,20 +268,34 @@ class="btn btn-outline-primary<?php echo 0 === $index ? ' disabled' : ''; ?>" <?
 														unset( $schedules['hourly'] );
 														$schedules = array_merge( array( 'hourly' => $hourly ), $schedules );
 													}
+													$internal_cron_schedules = apply_filters( 'feedzy_internal_cron_schedule_slugs', array() );
 													?>
 													<select id="fz-event-schedule" class="form-control fz-select-control" name="fz_cron_schedule">
 														<?php
 														$duplicate_schedule = array();
 														foreach ( $schedules as $slug => $schedule ) :
-															if ( empty( $schedule['interval'] ) || in_array( $schedule['interval'], $duplicate_schedule, true ) ) {
+															if (
+																empty( $schedule['interval'] ) ||
+																in_array( $schedule['interval'], $duplicate_schedule, true )
+															) {
 																continue;
 															}
 															$duplicate_schedule[] = $schedule['interval'];
+															$display_text         = $schedule['display'];
+
+															if ( ! in_array( $slug, $internal_cron_schedules, true ) ) {
+																// translators: (externally created) is used to indicate that the schedule is created by another plugin or manually.
+																$display_text .= ' (' . esc_html__( 'externally created', 'feedzy-rss-feeds' ) . ')';
+															}
 															?>
-														<option value="<?php echo esc_attr( $slug ); ?>"<?php selected( $save_schedule, $slug ); ?>><?php echo esc_html( $schedule['display'] ); ?> (<?php echo esc_html( $slug ); ?>)</option>
+															<option
+																value="<?php echo esc_attr( $slug ); ?>"
+																<?php selected( $save_schedule, $slug ); ?>
+															>
+																<?php echo esc_html( $display_text ); ?>
+															</option>
 														<?php endforeach; ?>
 													</select>
-													<div class="help-text pt-8"><?php esc_html_e( 'How often Feedzy will run the import.', 'feedzy-rss-feeds' ); ?></div>
 												</div>
 											</div>
 										</div>

includes/views/import-metabox-edit.php

@@ -672,20 +672,28 @@ class="fz-switch-toggle" type="checkbox" value="yes"
 												unset( $schedules['daily'] );
 												$schedules = array_merge( array( 'daily' => $daily ), $schedules );
 											}
-											$duplicate_schedule = array();
+											$internal_cron_schedules = apply_filters( 'feedzy_internal_cron_schedule_slugs', array() );
+											$duplicate_schedule      = array();
 											foreach ( $schedules as $slug => $schedule ) :
 												if ( empty( $schedule['interval'] ) || in_array( $schedule['interval'], $duplicate_schedule, true ) ) {
 													continue;
 												}
 												$duplicate_schedule[] = $schedule['interval'];
+												$display_text         = $schedule['display'];
+
+												if ( ! in_array( $slug, $internal_cron_schedules, true ) ) {
+													$display_text .= ' (' . esc_html__( 'externally created)', 'feedzy-rss-feeds' ) . ')';
+												}
 												?>
 												<option data-slug="<?php echo esc_attr( $slug ); ?>" value="<?php echo esc_attr( $slug ); ?>"<?php selected( $save_schedule, $slug ); ?>
 												>
-													<?php echo esc_html( $schedule['display'] ); ?>
+													<?php echo esc_html( $display_text ); ?>
 												</option>
 											<?php endforeach; ?>
 										</select>
-										<div class="help-text pt-8"><?php esc_html_e( 'Choose how often Feedzy should import new items from your feeds.', 'feedzy-rss-feeds' ); ?></div>
+										<div class="help-text pt-8">
+											<?php esc_html_e( 'Choose how often Feedzy should import new items from your feeds.', 'feedzy-rss-feeds' ); ?>
+										</div>
 									</div>
 								</div>
 							</div>