Added Zones, authorisation on edits, validation enhancements

database/migrations/2021_06_18_112022_update_zones.php

@@ -0,0 +1,51 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class UpdateZones extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+		DB::statement('ALTER TABLE zones ALTER COLUMN domain_id SET NOT NULL');
+
+		Schema::table('zones', function (Blueprint $table) {
+			$table->dropColumn(['name','description','ipv4','ipv4_mask','ipv6','ipv6_mask','zt_id']);
+			$table->string('ztid')->nullable();
+			$table->dropUnique(['domain_id']);
+
+			$table->integer('system_id');
+			$table->foreign('system_id')->references('id')->on('systems');
+		});
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+		DB::statement('ALTER TABLE zones ALTER COLUMN domain_id DROP NOT NULL');
+
+		Schema::table('zones', function (Blueprint $table) {
+			$table->dropForeign(['system_id']);
+			$table->dropColumn(['system_id','ztid']);
+			$table->unique('domain_id');
+
+			$table->string('name');
+			$table->string('description');
+			$table->ipAddress('ipv4')->nullable();
+			$table->integer('ipv4_mask')->nullable();
+			$table->ipAddress('ipv6')->nullable();
+			$table->integer('ipv6_mask')->nullable();
+			$table->binary('zt_id')->nullable()->unique();
+		});
+    }
+}