Add metadata error attrs migration

app/Metadata.php

@@ -13,7 +13,7 @@ class Metadata extends Model
     protected $fillable = ['url', 'title', 'description', 'image', 'expires_at'];
     protected $visible = ['url', 'title', 'description', 'image', 'expires_at', 'tags'];
 
-    protected $dates = ['created_at', 'updated_at', 'expires_at'];
+    protected $dates = ['created_at', 'updated_at', 'expires_at', 'error_at'];
 
     public function tags()
     {

database/migrations/2020_08_10_114944_add_error_data_to_metadata.php

@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddErrorDataToMetadata extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('metadata', function (Blueprint $table) {
+            $table->timestamp('error_at')->nullable();
+            $table->string('error_exception_class')->nullable();
+            $table->integer('error_http_code')->nullable();
+            $table->text('error_body')->nullable();
+            $table->integer('error_count')->default(0);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('metadata', function (Blueprint $table) {
+            $table->dropColumn(['error_at', 'error_exception_class', 'error_http_code', 'error_body', 'error_count']);
+        });
+    }
+}