Allow strings to be called by using Arr::wrap

Author: rennokki

README.md

@@ -374,12 +374,14 @@ class MyCustomBuilder implements QueryCacheModuleInterface
 Since all of the Laravel Eloquent functions are based on it, the builder that comes with this package replaces only the `get()` one:
 
 ```php
+use Illuminate\Support\Arr;
+
 class Builder
 {
     public function get($columns = ['*'])
     {
         if (! $this->shouldAvoidCache()) {
-            return $this->getFromQueryCache('get', $columns);
+            return $this->getFromQueryCache('get', Arr::wrap($columns));
         }
 
         return parent::get($columns);
@@ -413,6 +415,8 @@ The default behaviour of the package doesn't use it, since the query builder use
 However, if your builder replaces functions  like `find()`, `$id` is needed and you will also have to replace the `getQueryCacheCallback()` like so:
 
 ```php
+use Illuminate\Support\Arr;
+
 class MyCustomBuilder
 {
     public function getQueryCacheCallback(string $method = 'get', $columns = ['*'], string $id = null)
@@ -434,7 +438,7 @@ class MyCustomBuilder
     {
         // implementing the same logic
         if (! $this->shouldAvoidCache()) {
-            return $this->getFromQueryCache('find', $columns, $id);
+            return $this->getFromQueryCache('find', Arr::wrap($columns), $id);
         }
 
         return parent::find($id, $columns);

src/Query/Builder.php

@@ -3,6 +3,7 @@
 namespace Rennokki\QueryCache\Query;
 
 use Illuminate\Database\Query\Builder as BaseBuilder;
+use Illuminate\Support\Arr;
 use Rennokki\QueryCache\Contracts\QueryCacheModuleInterface;
 use Rennokki\QueryCache\Traits\QueryCacheModule;
 
@@ -17,7 +18,7 @@ public function get($columns = ['*'])
     {
         return $this->shouldAvoidCache()
             ? parent::get($columns)
-            : $this->getFromQueryCache('get', $columns);
+            : $this->getFromQueryCache('get', Arr::wrap($columns));
     }
 
     /**

tests/GetTest.php

@@ -44,4 +44,23 @@ public function test_get_with_columns()
             $post->name
         );
     }
+
+    public function test_get_with_string_columns()
+    {
+        $post = factory(Post::class)->create();
+        $storedPosts = Post::cacheFor(now()->addHours(1))->get('name');
+        $cache = Cache::get('leqc:sqlitegetselect "name" from "posts"a:0:{}');
+
+        $this->assertNotNull($cache);
+
+        $this->assertEquals(
+            $cache->first()->name,
+            $storedPosts->first()->name
+        );
+
+        $this->assertEquals(
+            $cache->first()->name,
+            $post->name
+        );
+    }
 }