Rename Interfaces to Contracts to better match Laravel conventions

app/Contracts/Migration.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace App\Contracts;
+
+use DB;
+
+/**
+ * Class Migration
+ */
+abstract class Migration extends \Illuminate\Database\Migrations\Migration
+{
+    /**
+     * At a minimum, this function needs to be implemented
+     *
+     * @return mixed
+     */
+    abstract public function up();
+
+    /**
+     * A method to reverse a migration doesn't need to be made
+     */
+    public function down()
+    {
+    }
+
+    /**
+     * Add rows to a table
+     *
+     * @param $table
+     * @param $rows
+     */
+    public function addData($table, $rows)
+    {
+        foreach ($rows as $row) {
+            try {
+                DB::table($table)->insert($row);
+            } catch (\Exception $e) {
+                // setting already exists, just ignore it
+                if ($e->getCode() === 23000) {
+                    continue;
+                }
+            }
+        }
+    }
+}