Add task update activity log

app/Entities/Projects/Task.php

@@ -13,6 +13,7 @@ class Task extends Model
      */
     protected $dispatchesEvents = [
         'created' => 'App\Events\Tasks\Created',
+        'updated' => 'App\Events\Tasks\Updated',
     ];
 
     protected $guarded = ['id', 'created_at', 'updated_at'];

app/Events/Tasks/Updated.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Events\Tasks;
+
+use App\Entities\Projects\Task;
+
+class Updated
+{
+    public $task;
+
+    public function __construct(Task $task)
+    {
+        $this->task = $task;
+    }
+}

app/Listeners/Tasks/LogTaskUpdateActivity.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace App\Listeners\Tasks;
+
+use App\Entities\Users\Activity;
+use App\Events\Tasks\Updated;
+
+class LogTaskUpdateActivity
+{
+    public function handle(Updated $event)
+    {
+        $task = $event->task;
+        $originalTask = $task->getOriginal();
+        $attributeChanges = $task->getChanges();
+        $attributeKeys = array_keys($task->getChanges());
+
+        $activityEntry = [
+            'type'        => 'task_updated',
+            'parent_id'   => null,
+            'user_id'     => auth()->id(),
+            'object_id'   => $task->id,
+            'object_type' => 'tasks',
+            'data'        => [
+                'before' => $this->getBeforeValues($originalTask, $attributeKeys),
+                'after'  => $this->getAfterValues($task->toArray(), $attributeKeys),
+                'notes'  => null,
+            ],
+        ];
+
+        Activity::create($activityEntry);
+    }
+
+    private function getBeforeValues(array $originalTask, array $attributeKeys)
+    {
+        $beforeValues = [];
+        foreach ($attributeKeys as $attributeKey) {
+            $beforeValues[$attributeKey] = $originalTask[$attributeKey];
+        }
+
+        return $beforeValues;
+    }
+
+    private function getAfterValues(array $task, array $attributeKeys)
+    {
+        $afterValues = [];
+        foreach ($attributeKeys as $attributeKey) {
+            $afterValues[$attributeKey] = $task[$attributeKey];
+        }
+
+        return $afterValues;
+    }
+}

app/Providers/EventServiceProvider.php

@@ -31,6 +31,9 @@ class EventServiceProvider extends ServiceProvider
         'App\Events\Tasks\Created'    => [
             'App\Listeners\Tasks\LogTaskCreationActivity',
         ],
+        'App\Events\Tasks\Updated'    => [
+            'App\Listeners\Tasks\LogTaskUpdateActivity',
+        ],
     ];
 
     /**

tests/Unit/Models/ActivityTest.php

@@ -134,4 +134,32 @@ class ActivityTest extends TestCase
             'data'        => null,
         ]);
     }
+
+    /** @test */
+    public function it_records_task_data_update_activities()
+    {
+        $admin = $this->adminUserSigningIn();
+        $project = factory(Project::class)->create();
+        $job = factory(Job::class)->create(['project_id' => $project->id]);
+        $task = factory(Task::class)->create([
+            'name'   => 'New Task',
+            'job_id' => $job->id,
+        ]);
+
+        $task->name = 'Updated task';
+        $task->save();
+
+        $this->seeInDatabase('user_activities', [
+            'type'        => 'task_updated',
+            'parent_id'   => null,
+            'user_id'     => $admin->id,
+            'object_id'   => $task->id,
+            'object_type' => 'tasks',
+            'data'        => json_encode([
+                'before' => ['name' => 'New Task'],
+                'after'  => ['name' => 'Updated task'],
+                'notes'  => null,
+            ]),
+        ]);
+    }
 }