Fix undefined getIndex method

Author: maxiloc

src/AlgoliaEloquentTrait.php

@@ -75,7 +75,7 @@ public function _browseFrom($query, $parameters = [], $cursor = null)
         $index = null;
 
         if (isset($parameters['index'])) {
-            $index = $modelHelper->getIndex($parameters['index']);
+            $index = $modelHelper->getIndices($this, $parameters['index'])[0];
             unset($parameters['index']);
         } else {
             $index = $modelHelper->getIndices($this)[0];
@@ -100,7 +100,7 @@ public function _browse($query, $parameters = [])
         $index = null;
 
         if (isset($parameters['index'])) {
-            $index = $modelHelper->getIndex($parameters['index']);
+            $index = $modelHelper->getIndices($this, $parameters['index'])[0];
             unset($parameters['index']);
         } else {
             $index = $modelHelper->getIndices($this)[0];
@@ -125,7 +125,7 @@ public function _search($query, $parameters = [])
         $index = null;
 
         if (isset($parameters['index'])) {
-            $index = $modelHelper->getIndex($parameters['index']);
+            $index = $modelHelper->getIndices($this, $parameters['index'])[0];
             unset($parameters['index']);
         } else {
             $index = $modelHelper->getIndices($this)[0];

src/ModelHelper.php

@@ -67,11 +67,13 @@ public function getSlavesSettings(Model $model)
     /**
      * @return \AlgoliaSearch\Index
      */
-    public function getIndices(Model $model)
+    public function getIndices(Model $model, $indexName = null)
     {
         $indicesName = [];
 
-        if (property_exists($model, 'indices') && is_array($model->indices)) {
+        if ($indexName !== null) {
+            $indicesName[] = $indexName;
+        } elseif (property_exists($model, 'indices') && is_array($model->indices)) {
             $indicesName = $model->indices;
         } else {
             $indicesName[] = $this->getIndexName($model);

tests/ModelHelperTest.php

@@ -60,6 +60,8 @@ public function testGetIndices()
     {
         $this->assertEquals('model1s', $this->modelHelper->getIndices(new Model1())[0]->indexName);
         $this->assertEquals('model5s_testing', $this->modelHelper->getIndices(new Model5())[0]->indexName);
+        $this->assertEquals('test', $this->modelHelper->getIndices(new Model1(), 'test')[0]->indexName);
+        $this->assertEquals('test_testing', $this->modelHelper->getIndices(new Model5(), 'test')[0]->indexName);
         $this->assertEquals('model4s', $this->modelHelper->getIndices(new Model4())[0]->indexName);
 
         $indices = $this->modelHelper->getIndices(new Model2());