#1 Wrap API with business rules

library/api.php

@@ -7,24 +7,29 @@ function get_facebook_shares( $data ) {
     $access_token = '693244528146031|ae2b14c2d4f31b3434212179ee5550d8';
     
     $post_id = $data['post_id'];
-    
-    $response = wp_remote_get( add_query_arg( array( 
-        'id' => urlencode( get_permalink( $post_id ) ),
-        //'id' => urlencode( 'https://www.google.com/' ),
-        'access_token' => $access_token,
-        'fields' => 'engagement'
-    ), 'https://graph.facebook.com/v3.0/' ) );
 
+    if( guaraci\need_share_update( $post_id ) ) {
+        $response = wp_remote_get( add_query_arg( array( 
+            'id' => urlencode( get_permalink( $post_id ) ),
+            //'id' => urlencode( 'https://www.google.com/' ),
+            'access_token' => $access_token,
+            'fields' => 'engagement'
+        ), 'https://graph.facebook.com/v3.0/' ) );
 
-    if ( !is_array($response) && is_wp_error( $response ) ) {
-        return false;
-    }
+        if ( !is_array($response) && is_wp_error( $response ) ) {
+            return false;
+        }
 
-    $body = json_decode( $response['body'] );
-    $count = intval( $body->engagement->share_count );
+        $body = json_decode( $response['body'] );
+        $count = intval( $body->engagement->share_count );
+
+        // Update post meta
+        guaraci\set_post_shares( $post_id, $count );
+        
+    } else {
+        $count = guaraci\get_post_shares( $post_id );
+    }
 
-    // Update post meta
-    guaraci\set_post_shares( $post_id, $count );
 
     return $count;
 }

library/functions.php

@@ -106,7 +106,7 @@ function get_posts_ranking() {
     $cache_key = 'most_viewed_within_hour';
 
     // use wp cache for optimization
-    $ids = get_transient( $cache_key );
+    $ids = wp_cache_get( $cache_key );
 
     if ( $ids === false ) {
         $most_viewed = \AjaxPageviews::get_top_viewed(500, ['post_type' => 'post', 'from' => strtotime('-24 hour')]);
@@ -116,7 +116,7 @@ function get_posts_ranking() {
             array_push( $ids, $value->post_id );
         }
 
-        set_transient( $cache_key, $ids, 120 );
+        wp_cache_add( $cache_key, $ids, 120 );
     }
 
     var_dump($ids);

library/modules/facebook/index.php

@@ -3,11 +3,14 @@ namespace guaraci;
 
 function need_share_update( $post_id ) {
     // se o metadado não existe ou se o metadado existe e foi atualizado a mais tempo do que o intervalo (F), retorna true
-    if ( !metadata_exists( 'post', $post_id, 'shares' )) {
-        // it has to be updated
+    if ( !metadata_exists( 'post', $post_id, 'shares' ) ) {
+        // the first time its called create the metadata for the next turn
+        update_post_meta( $post_id, 'shares', 0 );
+        update_post_meta( $post_id, 'updated_timestamp', time() );
+
+        return false;
+    } elseif ( update_share_business_rule( $post_id ) ) {
         return true;
-    } elseif {
-        // define metadate
     } else {
         return false;
     }