Added tranformation warning indicator column

css/instant-articles-index-column.css

@@ -0,0 +1,16 @@
+span.instant-articles-col-status {
+    border-radius: 5px;
+    width: 10px;
+    height: 10px;
+    display: block;
+}
+span.error {
+    background: red;
+}
+span.ok {
+    background: green;
+}
+span.warning {
+    background: orange;
+}
+

facebook-instant-articles.php

@@ -280,6 +280,14 @@ function instant_articles_register_scripts() {
 			IA_PLUGIN_VERSION,
 			false
 		);
+		wp_register_style(
+			'instant-articles-index-column',
+			plugins_url( '/css/instant-articles-index-column.css', __FILE__ ),
+			null,
+			IA_PLUGIN_VERSION,
+			false
+		);
+
 
 		wp_register_script(
 			'instant-articles-meta-box',
@@ -329,6 +337,7 @@ function instant_articles_enqueue_scripts() {
 		wp_enqueue_style( 'instant-articles-settings-wizard' );
 		wp_enqueue_style( 'instant-articles-settings' );
 		wp_enqueue_style( 'instant-articles-wizard' );
+		wp_enqueue_style( 'instant-articles-index-column' );
 
 		wp_enqueue_script( 'instant-articles-meta-box' );
 		wp_enqueue_script( 'instant-articles-option-ads' );
@@ -439,4 +448,52 @@ function invalidate_all_posts_transformation_info_cache( $option ) {
 	}
 	add_action( 'updated_option', 'invalidate_all_posts_transformation_info_cache', 10, 1 );
 
+	function fbia_indicator_column_heading( $columns ) {
+		$publishing_settings = Instant_Articles_Option_Publishing::get_option_decoded();
+		$display_warning_column = $publishing_settings[ 'display_warning_column' ];
+
+		if( "1" === $display_warning_column ) {
+			$columns[ 'FBIA' ] = "<span title='Facebook Instant Article Distribution Status' class='fbia-col-heading'>FB IA Status</span>";
+		}
+		return $columns;
+	}
+	add_filter( 'manage_posts_columns', 'fbia_indicator_column_heading' );
+
+	function fbia_indication_column( $column_name, $post_ID ) {
+		$publishing_settings = Instant_Articles_Option_Publishing::get_option_decoded();
+		$display_warning_column = $publishing_settings[ 'display_warning_column' ];
+
+		if( "1" === $display_warning_column ) {
+			$red_light = '<span title="Instant article is empty after transformation." class="instant-articles-col-status error"></span>';
+
+			$yellow_light = '<span title="Instant article has warnings after transformation." class="instant-articles-col-status warning"></span>';
+
+			$green_light = '<span title="Instant article transformed successfully." class="instant-articles-col-status ok"></span>';
+
+			if ( $column_name === "FBIA" ) {
+				$post = get_post( $post_ID );
+				$instant_articles_post = new \Instant_Articles_Post( $post );
+
+				$is_empty = $instant_articles_post->is_empty_after_transformation();
+				if ( true === $is_empty ) {
+					echo wp_kses_post( $red_light );
+					return;
+				}
+
+				$has_warnings = $instant_articles_post->has_warnings_after_transformation();
+				if ( true === $has_warnings ) {
+					echo wp_kses_post( $yellow_light );
+					return;
+				}
+
+				echo wp_kses_post( $green_light );
+
+				return;
+			}
+		}
+	}
+	add_action( 'manage_posts_custom_column', 'fbia_indication_column', 10, 2 );
+
+
+
 }

wizard/class-instant-articles-option-publishing.php

@@ -55,6 +55,14 @@ class Instant_Articles_Option_Publishing extends Instant_Articles_Option {
 			'checkbox_label' => 'Publish articles containing warnings',
 		),
 
+		'display_warning_column' => array(
+			'label' => 'FB IA Status column',
+			'description' => 'With this option enabled, a column will be added to post indexes to quickly see whether an article transformation failed, succeeded, or had warnings.',
+			'render' => 'checkbox',
+			'default' => false,
+			'checkbox_label' => 'Enable column "FB IA Status"',
+		),
+
 		'likes_on_media' => array(
 			'label' => 'Likes',
 			'description' => 'With this option enabled, any image or video will have the like action enabled by default.',