Add user activity system

src/Core/Models/Activity.php

@@ -1,36 +1,69 @@
-<?php namespace Flarum\Core\Activity;
+<?php namespace Flarum\Core\Models;
 
-use Flarum\Core\Entity;
-use Illuminate\Support\Str;
-use Auth;
+class Activity extends Model
+{
+    /**
+     * The table associated with the model.
+     *
+     * @var string
+     */
+    protected $table = 'activity';
 
-class Activity extends Entity {
+    /**
+     * The attributes that should be mutated to dates.
+     *
+     * @var array
+     */
+    protected $dates = ['time'];
 
-	protected $table = 'activity';
+    /**
+     * Unserialize the data attribute.
+     *
+     * @param  string  $value
+     * @return string
+     */
+    public function getDataAttribute($value)
+    {
+        return json_decode($value);
+    }
 
-	public function getDates()
-	{
-		return ['time'];
-	}
+    /**
+     * Serialize the data attribute.
+     *
+     * @param  string  $value
+     */
+    public function setDataAttribute($value)
+    {
+        $this->attributes['data'] = json_encode($value);
+    }
 
-	public function fromUser()
-	{
-		return $this->belongsTo('Flarum\Core\Models\User', 'from_user_id');
-	}
+    /**
+     * Define the relationship with the activity's recipient.
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
+    public function user()
+    {
+        return $this->belongsTo('Flarum\Core\Models\User', 'user_id');
+    }
 
-	public function permission($permission)
-	{
-		return User::current()->can($permission, 'activity', $this);
-	}
-
-	public function editable()
-	{
-		return $this->permission('edit');
-	}
-
-	public function deletable()
-	{
-		return $this->permission('delete');
-	}
+    /**
+     * Define the relationship with the activity's sender.
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
+    public function sender()
+    {
+        return $this->belongsTo('Flarum\Core\Models\User', 'sender_id');
+    }
 
+    /**
+     * Define the relationship with the activity's sender.
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
+    public function post()
+    {
+        return $this->belongsTo('Flarum\Core\Models\Post', 'post_id');
+    }
 }