Add incident column for when an incident occurred at (#2212)

Add incident column for when an incident occurred at. Closes #2208
[ci skip] [skip ci]

database/migrations/2016_10_24_183415_AlterTableIncidentsAddOccurredAtColumn.php

@@ -0,0 +1,45 @@
+<?php
+
+/*
+ * This file is part of Cachet.
+ *
+ * (c) Alt Three Services Limited
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+class AlterTableIncidentsAddOccurredAtColumn extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('incidents', function (Blueprint $table) {
+            $table->timestamp('occurred_at')->nullable()->after('scheduled_at');
+        });
+
+        // We need a better way of handling data migrations...
+        DB::update('UPDATE incidents SET `occurred_at` = `created_at`');
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('incidents', function (Blueprint $table) {
+            $table->dropColumn('occurred_at');
+        });
+    }
+}