Mutations

Plugin.php

@@ -4,6 +4,7 @@ use System\Classes\PluginBase;
 
 use App;
 use Config;
+use Illuminate\Database\DatabaseManager;
 use Illuminate\Foundation\AliasLoader;
 use GermanAirlinesVa\Graphql\Classes\GraphqlServiceProvider;
 use Nuwave\Lighthouse\Subscriptions\SubscriptionServiceProvider;
@@ -36,6 +37,9 @@ class Plugin extends PluginBase
     $this->bootPackages();
     App::register(GraphqlServiceProvider::class);
     App::register(SubscriptionServiceProvider::class);
+    $this->app->singleton(DatabaseManager::class, function ($app) {
+      return $app->make('db');
+    });
   }
 
   public function bootPackages()

assets/js/graphiql.js

@@ -32920,7 +32920,7 @@ var _validUrl = __webpack_require__(429);
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
 
 var options = { method: 'post', headers: { 'Content-Type': 'application/json' } };
-var endpoint = 'http://192.168.64.3/graphql/'; // Initial
+var endpoint = 'http://localhost/graphql/'; // Initial
 
 var defaultQuery = '\n# Welcome to GraphiQL\n#\n# GraphiQL is an in-browser tool for writing, validating, and\n# testing GraphQL queries.\n#\n# Type queries into this side of the screen, and you will see intelligent\n# typeaheads aware of the current GraphQL type schema and live syntax and\n# validation errors highlighted within the text.\n#\n# GraphQL queries typically start with a "{" character. Lines that starts\n# with a # are ignored.\n#\n# An example GraphQL query might look like:\n#\n#     {\n#       field(arg: "value") {\n#         subField\n#       }\n#     }\n#\n# Keyboard shortcuts:\n#\n#       Run Query:  Ctrl-Enter (or press the play button above)\n#\n#   Auto Complete:  Ctrl-Space (or just start typing)\n#\n# # # # # # # # # # # # # # # # # # # # # # # # # # # # # #\n# Default endpoint is an instance of https://www.graph.cool/\n# # # # # # # # # # # # # # # # # # # # # # # # # # # # # #\n\nquery {\n  countries {\n    name\n  }\n}\n';
 

classes/Dummy.php

@@ -0,0 +1,74 @@
+<?php namespace GermanAirlinesVa\Graphql\Classes;
+
+use Illuminate\Support\Str;
+use Illuminate\Http\Request;
+use GraphQL\Type\Definition\ResolveInfo;
+use Nuwave\Lighthouse\Subscriptions\Subscriber;
+use Nuwave\Lighthouse\Schema\Types\GraphQLSubscription;
+use Nuwave\Lighthouse\Support\Contracts\GraphQLContext;
+
+class Dummy extends GraphQLSubscription
+{
+  /**
+   * Check if subscriber is allowed to listen to the subscription.
+   *
+   * @param  \Nuwave\Lighthouse\Subscriptions\Subscriber  $subscriber
+   * @param  \Illuminate\Http\Request  $request
+   * @return bool
+   */
+  public function authorize(Subscriber $subscriber, Request $request): bool
+  {
+    return true;
+  }
+
+  /**
+   * Filter which subscribers should receive the subscription.
+   *
+   * @param  \Nuwave\Lighthouse\Subscriptions\Subscriber  $subscriber
+   * @param  mixed  $root
+   * @return bool
+   */
+  public function filter(Subscriber $subscriber, $root): bool
+  {
+    return true;
+  }
+
+  /**
+   * Encode topic name.
+   *
+   * @param  \Nuwave\Lighthouse\Subscriptions\Subscriber  $subscriber
+   * @param  string  $fieldName
+   * @return string
+   */
+  public function encodeTopic(Subscriber $subscriber, string $fieldName): string
+  {
+    // Create a unique topic name based on the `author` argument
+    return Str::snake($fieldName);
+  }
+
+  /**
+   * Decode topic name.
+   *
+   * @param  string  $fieldName
+   * @param  \App\Post  $root
+   * @return string
+   */
+  public function decodeTopic(string $fieldName, $root): string
+  {
+    return Str::snake($fieldName);
+  }
+
+  /**
+   * Resolve the subscription.
+   *
+   * @param  \App\Post  $root
+   * @param  array<string, mixed>  $args
+   * @param  \Nuwave\Lighthouse\Support\Contracts\GraphQLContext  $context
+   * @param  \GraphQL\Type\Definition\ResolveInfo  $resolveInfo
+   * @return mixed
+   */
+  public function resolve($root, array $args, GraphQLContext $context, ResolveInfo $resolveInfo): array
+  {
+    return array($root);
+  }
+}

classes/SchemaSourceProvider.php

@@ -68,7 +68,7 @@ class SchemaSourceProvider implements LighthouseSchemaSourceProvider
   public function getSchemaString(): string
   {
     // root types
-    $schema = '
+    $schema = "
         type Query {
           dummy: Boolean
         }
@@ -76,7 +76,11 @@ class SchemaSourceProvider implements LighthouseSchemaSourceProvider
         type Mutation {
           dummy: Boolean
         }
-        ';
+
+        type Subscription {
+          dummy: Boolean @subscription(class: \"GermanAirlinesVa\\\\Graphql\\\\Classes\\\\Dummy\")
+        }
+        ";
     // schema
     $schema .= collect($this->getGraphMap())->implode('schema', '');
     return $schema;

graphs/fleet.htm

@@ -7,9 +7,25 @@ extend type Query {
   aircraftType: [AircraftType] @all(model: "GermanAirlinesVa\\Fleet\\Models\\AircraftType")
 }
 
-type Subscription {
-  aircraft: [Aircraft] @subscription(class: "GermanAirlinesVa\\Fleet\\Classes\\Aircraft")
+extend type Subscription {
+  aircraftAdded: Aircraft @subscription(class: "GermanAirlinesVa\\Fleet\\Classes\\Aircraft")
 }
 
-type Aircraft { name: String! registration: String! }
+extend type Mutation {
+  addAircraft(
+    aircraft_type_id: ID!,
+    home_airport_id: ID!,
+    name: String!,
+    registration: String!
+  ): Aircraft
+    @create(model: "GermanAirlinesVa\\Fleet\\Models\\Aircraft")
+    @broadcast(subscription: "aircraftAdded")
+}
+
+type Aircraft {
+  aircraft_type_id: ID!
+  home_airport_id: ID!
+  name: String!
+  registration: String!
+}
 type AircraftType { type: String! aircrafts: [Aircraft] @hasMany }