Store story comment count in post row

Primarily for query purposes.

includes/functions/_helpers-query.php

@@ -937,3 +937,51 @@ if ( ! function_exists( 'fictioneer_sql_get_story_chapter_relationship_data' ) )
     return $results;
   }
 }
+
+/**
+ * Returns comment count of a story
+ *
+ * @since 5.26.0
+ *
+ * @global wpdb $wpdb  WordPress database object.
+ *
+ * @param int $post_id  Post ID.
+ *
+ * @return int Comment count.
+ */
+
+function fictioneer_sql_get_comment_count( $post_id ) {
+  global $wpdb;
+
+  $query = $wpdb->prepare(
+    "SELECT comment_count
+    FROM {$wpdb->posts}
+    WHERE ID = %d",
+    $post_id
+  );
+
+  return $wpdb->get_var( $query );
+}
+
+/**
+ * Updates the comment count of a post
+ *
+ * @since 5.26.0
+ *
+ * @global wpdb $wpdb  WordPress database object.
+ *
+ * @param int $post_id  Post ID.
+ * @param int $count    Comment count.
+ */
+
+function fictioneer_sql_update_comment_count( $post_id, $count ) {
+  global $wpdb;
+
+  $wpdb->update(
+    $wpdb->posts,
+    array( 'comment_count' => $count ),
+    array( 'ID' => $post_id ),
+    ['%d'],
+    ['%d']
+  );
+}

includes/functions/_service-posts.php

@@ -425,6 +425,8 @@ function fictioneer_increment_story_comment_count( $comment_id ) {
   if ( $story_data ) {
     $story_data['comment_count'] = intval( $story_data['comment_count'] ) + 1;
     update_post_meta( $story_id, 'fictioneer_story_data_collection', $story_data );
+
+    fictioneer_sql_update_comment_count( $story_id, $story_data['comment_count'] );
   }
 }
 
@@ -451,6 +453,8 @@ function fictioneer_decrement_story_comment_count( $comment_id ) {
   if ( $story_data ) {
     $story_data['comment_count'] = max( 0, intval( $story_data['comment_count'] ) - 1 );
     update_post_meta( $story_id, 'fictioneer_story_data_collection', $story_data );
+
+    fictioneer_sql_update_comment_count( $story_id, $story_data['comment_count'] );
   }
 }
 

includes/functions/_utility.php

@@ -429,6 +429,9 @@ if ( ! function_exists( 'fictioneer_get_story_data' ) ) {
         $meta_cache['comment_count'] = $comment_count;
         $meta_cache['comment_count_timestamp'] = time();
 
+        // Update post database comment count
+        fictioneer_sql_update_comment_count( $story_id, $comment_count );
+
         // Update meta cache and purge
         update_post_meta( $story_id, 'fictioneer_story_data_collection', $meta_cache );
 
@@ -579,6 +582,9 @@ if ( ! function_exists( 'fictioneer_get_story_data' ) ) {
     // Update story total word count
     update_post_meta( $story_id, 'fictioneer_story_total_word_count', $word_count );
 
+    // Update post database comment count
+    fictioneer_sql_update_comment_count( $story_id, $comment_count );
+
     // Done
     return $result;
   }