Display a status circle next to component groups. Closes #1317

app/Models/ComponentGroup.php

@@ -12,9 +12,11 @@
 namespace CachetHQ\Cachet\Models;
 
 use AltThree\Validator\ValidatingTrait;
+use CachetHQ\Cachet\Presenters\ComponentGroupPresenter;
 use Illuminate\Database\Eloquent\Model;
+use McCool\LaravelAutoPresenter\HasPresenter;
 
-class ComponentGroup extends Model
+class ComponentGroup extends Model implements HasPresenter
 {
     use ValidatingTrait;
 
@@ -46,6 +48,13 @@ class ComponentGroup extends Model
         'order' => 'int',
     ];
 
+    /**
+     * The relations to eager load on every query.
+     *
+     * @var string[]
+     */
+    protected $with = ['enabled_components'];
+
     /**
      * A group can have many components.
      *
@@ -55,4 +64,24 @@ class ComponentGroup extends Model
     {
         return $this->hasMany(Component::class, 'group_id', 'id');
     }
+
+    /**
+     * Return all of the enabled components.
+     *
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function enabled_components()
+    {
+        return $this->components()->enabled();
+    }
+
+    /**
+     * Get the presenter class.
+     *
+     * @return string
+     */
+    public function getPresenterClass()
+    {
+        return ComponentGroupPresenter::class;
+    }
 }

app/Presenters/ComponentGroupPresenter.php

@@ -0,0 +1,63 @@
+<?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.
+ */
+
+namespace CachetHQ\Cachet\Presenters;
+
+use CachetHQ\Cachet\Presenters\Traits\TimestampsTrait;
+
+class ComponentGroupPresenter extends AbstractPresenter
+{
+    use TimestampsTrait;
+
+    /**
+     * Returns the lowest component status.
+     *
+     * @return string
+     */
+    public function lowest_status()
+    {
+        return $this->wrappedObject->enabled_components->first()->human_status;
+    }
+
+    /**
+     * Returns the lowest component status, readable by humans.
+     *
+     * @return string
+     */
+    public function lowest_human_status()
+    {
+        return $this->wrappedObject->enabled_components->first()->human_status;
+    }
+
+    /**
+     * Returns the lowest component status color.
+     *
+     * @return string
+     */
+    public function lowest_status_color()
+    {
+        return $this->wrappedObject->enabled_components->first()->status_color;
+    }
+
+    /**
+     * Convert the presenter instance to an array.
+     *
+     * @return string[]
+     */
+    public function toArray()
+    {
+        return array_merge($this->wrappedObject->toArray(), [
+            'created_at'          => $this->created_at(),
+            'updated_at'          => $this->updated_at(),
+            'lowest_human_status' => $this->lowest_human_status(),
+        ]);
+    }
+}