Merge pull request #15 from TartanLeGrand/master

Fixed model functions

Author: Abdullah Ghanem

README.md

@@ -70,6 +70,18 @@ $rating = $post->rating([
 dd($rating);
 ```
 
+### Create or update a unique rating
+```php
+$user = User::first();
+$post = Post::first();
+
+$rating = $post->ratingUnique([
+    'rating' => 5
+], $user);
+
+dd($rating);
+```
+
 ### Update a rating
 ```php
 $rating = $post->updateRating(1, [
@@ -105,3 +117,17 @@ $post->ratingPercent(10)); // Ten star rating system
 // Note: The value passed in is treated as the maximum allowed value.
 // This defaults to 5 so it can be called without passing a value as well.
 ````
+
+### Count positive rating:
+````php
+$post->countPositive
+
+// $post->countPositive() also works for this.
+````
+
+### Count negative rating:
+````php
+$post->countNegative
+
+// $post->countNegative() also works for this.
+````

src/Models/Rating.php

@@ -39,4 +39,60 @@ public function author()
      *
      * @return static
      */
-}
+    public function createRating(Model $ratingable, $data, Model $author)
+    {
+        $rating = new static();
+        $rating->fill(array_merge($data, [
+            'author_id' => $author->id,
+            'author_type' => get_class($author),
+        ]));
+
+        $ratingable->ratings()->save($rating);
+
+        return $rating;
+    }
+
+    /**
+     * @param Model $ratingable
+     * @param $data
+     * @param Model $author
+     *
+     * @return static
+     */
+    public function createUniqueRating(Model $ratingable, $data, Model $author)
+    {
+        $rating = [
+            'author_id' => $author->id,
+            'author_type' => get_class($author),
+            "ratingable_id" => $ratingable->id,
+            "ratingable_type" => get_class($ratingable),
+        ];
+
+        Rating::updateOrCreate($rating, $data);
+        return $rating;
+    }
+
+    /**
+     * @param $id
+     * @param $data
+     *
+     * @return mixed
+     */
+    public function updateRating($id, $data)
+    {
+        $rating = static::find($id);
+        $rating->update($data);
+
+        return $rating;
+    }
+
+    /**
+     * @param $id
+     *
+     * @return mixed
+     */
+    public function deleteRating($id)
+    {
+        return static::find($id)->delete();
+    }
+}

src/Traits/Ratingable.php

@@ -45,6 +45,25 @@ public function ratingPercent($max = 5)
         $total = $this->sumRating();
         return ($quantity * $max) > 0 ? $total / (($quantity * $max) / 100) : 0;
     }
+
+    /**
+     *
+     * @return mix
+     */
+    public function countPositive()
+    {
+        return $this->ratings()->where('rating', '>', '0')->count();
+    }
+
+    /**
+     *
+     * @return mix
+     */
+    public function countNegative()
+    {
+        $quantity = $this->ratings()->where('rating', '<', '0')->count();
+        return ("-$quantity");
+    }
 
     /**
      * @param $data
@@ -58,6 +77,18 @@ public function rating($data, Model $author, Model $parent = null)
         return (new Rating())->createRating($this, $data, $author);
     }
 
+    /**
+     * @param $data
+     * @param Model      $author
+     * @param Model|null $parent
+     *
+     * @return static
+     */
+    public function ratingUnique($data, Model $author, Model $parent = null)
+    {
+        return (new Rating())->createUniqueRating($this, $data, $author);
+    }
+    
     /**
      * @param $id
      * @param $data
@@ -94,4 +125,14 @@ public function getSumRatingAttribute()
     {
         return $this->sumRating();
     }
+
+    public function getCountPositiveAttribute()
+    {
+        return $this->countPositive();
+    }
+
+    public function getCountNegativeAttribute()
+    {
+        return $this->countNegative();
+    }
 }