added user id scope

app/Models/Common/Company.php

@@ -325,6 +325,20 @@ class Company extends Eloquent
         return $query->where('enabled', $value);
     }
 
+    /**
+     * Scope to only include companies of a given user id.
+     *
+     * @param \Illuminate\Database\Eloquent\Builder $query
+     * @param int $user_id
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function scopeUserId($query, $user_id)
+    {
+        return $query->whereHas('users', function ($query) use ($user_id) {
+            $query->where('user_id', $user_id);
+        });
+    }
+
     /**
      * Sort by company name
      *