Added the migration for the event access codes table to contain a usage count

database/migrations/2019_02_13_130258_add_amounts_field_to_event_access_codes.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddAmountsFieldToEventAccessCodes extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('event_access_codes', function (Blueprint $table) {
+            $table->unsignedInteger('usage_count')->default(0)->after('code');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('event_access_codes', function (Blueprint $table) {
+            $table->dropColumn('usage_count');
+        });
+    }
+}