Basic login support.

Author: dadish

src/Field/Auth/LoginField.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace ProcessWire\GraphQL\Field\Auth;
+
+use Youshido\GraphQL\Field\AbstractField;
+use Youshido\GraphQL\Config\Field\FieldConfig;
+use Youshido\GraphQL\Type\Scalar\StringType;
+use Youshido\GraphQL\Type\NonNullType;
+use Youshido\GraphQL\Execution\ResolveInfo;
+
+class LoginField extends AbstractField {
+
+  public function getType()
+  {
+    return new StringType();
+  }
+
+  public function getName()
+  {
+    return 'login';
+  }
+
+  public function getDescription()
+  {
+    return 'Allows you to authenticate into the app.';
+  }
+
+  public function build(FieldConfig $config)
+  {
+    $config->addArgument('username', new NonNullType(new StringType()));
+    $config->addArgument('password', new NonNullType(new StringType()));
+  }
+
+  public function resolve($value, array $args, ResolveInfo $info)
+  {
+    $session = \ProcessWire\wire('session');
+    $username = $args['username'];
+    $password = $args['password'];
+    $user = $session->login($username, $password);
+    if (is_null($user)) {
+      return 'Failed to login';
+    } else {
+      return 'Login successful';
+    }
+  }
+
+}

src/Schema.php

@@ -2,10 +2,12 @@
 
 use Youshido\GraphQL\Config\Schema\SchemaConfig;
 use Youshido\GraphQL\Schema\AbstractSchema;
+use ProcessWire\GraphQL\Settings;
 use ProcessWire\GraphQL\Field\Pages\PagesField;
 use ProcessWire\GraphQL\Field\TemplatedPageArray\TemplatedPageArrayField;
 use ProcessWire\GraphQL\Field\Debug\DbQueryCountField;
-use ProcessWire\GraphQL\Settings;
+use ProcessWire\GraphQL\Field\Auth\LoginField;
+
 
 
 class Schema extends AbstractSchema {
@@ -26,10 +28,11 @@ public function build(SchemaConfig $config)
 
     // Debugging
     if (Settings::module()->debug) {
-      $query->addFields([
-        new DbQueryCountField()
-      ]);
+      $query->addField(new DbQueryCountField());
     }
+
+    // Auth
+    $query->addfield(new LoginField());
   }
 
   public function getName()