Merge pull request #19 from one2tek/1.0

1.0

README.md

@@ -86,6 +86,11 @@ Nested **has** statements may also be constructed using **"dot"** notation. For
 
 `{base_url}/posts?has[]=comments.votes`
 
+### Querying Relationship Absence
+
+When accessing the records for a model, you may wish to limit your results based on the absence of a relationship. For example, imagine you want to retrieve all blog posts that don't have any comments. To do so, you may pass the name of the relationship to the **doesntHave**:
+
+`{base_url}/posts?doesntHave[]=comments`
 
 ### Advanced Eager loading
 

src/Controllers/LaravelController.php

@@ -235,6 +235,7 @@ protected function parseResourceOptions($request = null)
             'withCount' => [],
             'withs' => [],
             'has' => [],
+            'doesntHave' => [],
             'exludeGlobalScopes' => [],
             'scope' => [],
             'sort' => [],
@@ -251,6 +252,7 @@ protected function parseResourceOptions($request = null)
         $withCount = $this->parseWithCount($request->get('withCount', $this->defaults['withCount']));
         $withs = $request->get('with', $this->defaults['withs']);
         $has = $request->get('has', $this->defaults['has']);
+        $doesntHave = $request->get('doesntHave', $this->defaults['doesntHave']);
         $exludeGlobalScopes = $this->parseExludeGlobalScopes($request->get('exludeGlobalScopes', $this->defaults['exludeGlobalScopes']));
         $scope = $request->get('scope', $this->defaults['scope']);
         $sort = $this->parseSort($request->get('sort', $this->defaults['sort']));
@@ -266,6 +268,7 @@ protected function parseResourceOptions($request = null)
             'withCount' => $withCount,
             'withs' => $withs,
             'has' => $has,
+            'doesntHave' => $doesntHave,
             'exludeGlobalScopes' => $exludeGlobalScopes,
             'modes' => $includes['modes'],
             'scope' => $scope,

src/Database/EloquentBuilderTrait.php

@@ -74,6 +74,12 @@ protected function applyResourceOptions(Builder $queryBuilder, array $options =
                 $queryBuilder->has($relation);
             }
         }
+
+        if (isset($doesntHave)) {
+            foreach ($doesntHave as $relation) {
+                $queryBuilder->doesntHave($relation);
+            }
+        }
 
         if (isset($exludeGlobalScopes)) {
             if (!is_array($exludeGlobalScopes)) {