feat: plugin favorito-posts usando WP REST API

apiki-favorite-posts.php

@@ -0,0 +1,101 @@
+<?php
+/**
+ * Plugin Name: Apiki Favorite Posts
+ * Description: Plugin para favoritar posts usando WP REST API
+ * Version: 1.0
+ */
+
+if (!defined('ABSPATH')) {
+    exit;
+}
+
+class Apiki_Favorite_Posts {
+
+    private $table_name;
+
+    public function __construct() {
+
+        global $wpdb;
+
+        $this->table_name = $wpdb->prefix . 'favorite_posts';
+
+        register_activation_hook(__FILE__, array($this, 'create_table'));
+
+        add_action('rest_api_init', array($this, 'register_routes'));
+    }
+
+    public function create_table() {
+
+        global $wpdb;
+
+        $charset_collate = $wpdb->get_charset_collate();
+
+        $sql = "CREATE TABLE {$this->table_name} (
+            id BIGINT(20) NOT NULL AUTO_INCREMENT,
+            user_id BIGINT(20) NOT NULL,
+            post_id BIGINT(20) NOT NULL,
+            created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+            PRIMARY KEY (id)
+        ) $charset_collate;";
+
+        require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
+
+        dbDelta($sql);
+    }
+
+    public function register_routes() {
+
+        register_rest_route('apiki/v1', '/favorite', array(
+            'methods'  => 'POST',
+            'callback' => array($this, 'toggle_favorite'),
+            'permission_callback' => function () {
+            return is_user_logged_in();
+            }
+        ));
+    }
+
+    public function toggle_favorite($request) {
+
+        global $wpdb;
+
+        $user_id = get_current_user_id();
+        $post_id = intval($request['post_id']);
+
+        $exists = $wpdb->get_var(
+            $wpdb->prepare(
+                "SELECT id FROM {$this->table_name} WHERE user_id = %d AND post_id = %d",
+                $user_id,
+                $post_id
+            )
+        );
+
+        if ($exists) {
+
+            $wpdb->delete(
+                $this->table_name,
+                array(
+                    'user_id' => $user_id,
+                    'post_id' => $post_id
+                )
+            );
+
+            return array(
+                'message' => 'Post desfavoritado'
+            );
+        }
+
+        $wpdb->insert(
+            $this->table_name,
+            array(
+                'user_id' => $user_id,
+                'post_id' => $post_id
+            )
+        );
+
+        return array(
+            'message' => 'Post favoritado'
+        );
+    }
+}
+
+new Apiki_Favorite_Posts();