Null repositories (#126)

* Allow instance of a repository with undefined model

* Apply fixes from StyleCI (#124)

* Allow instance of a repository with undefined model

* Apply fixes from StyleCI (#125)

* Route clear

Author: Lupacescu Eduard

src/Commands/Refresh.php

@@ -31,6 +31,7 @@ public function handle()
         $this->call('cache:clear');
         $this->call('config:cache');
         $this->call('view:clear');
+        $this->call('route:clear');
         $this->call('optimize');
     }
 }

src/Repositories/NullModel.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Binaryk\LaravelRestify\Repositories;
+
+use Binaryk\LaravelRestify\Traits\InteractWithSQLight;
+use Illuminate\Database\Eloquent\Model;
+
+/**
+ * @author Eduard Lupacescu <[email protected]>
+ */
+class NullModel extends Model
+{
+    use InteractWithSQLight;
+
+    public $rows = [];
+}

src/Repositories/Repository.php

@@ -76,7 +76,11 @@ public static function uriKey()
      */
     public static function newModel()
     {
-        $model = static::$model;
+        if (property_exists(static::class, 'model')) {
+            $model = static::$model;
+        } else {
+            $model = NullModel::class;
+        }
 
         return new $model;
     }

src/Traits/AuthorizableModels.php

@@ -2,6 +2,7 @@
 
 namespace Binaryk\LaravelRestify\Traits;
 
+use Binaryk\LaravelRestify\Repositories\Repository;
 use Illuminate\Auth\Access\AuthorizationException;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\ModelNotFoundException;
@@ -241,12 +242,22 @@ public function authorizedTo(Request $request, $ability)
      */
     public function determineModel()
     {
-        $model = $this instanceof Model ? $this : ($this->resource ?? null);
+        $model = $this->isRepositoryContext() === false ? $this : ($this->resource ?? null);
 
         if (is_null($model)) {
             throw new ModelNotFoundException(__('Model is not declared in :class', ['class' => self::class]));
         }
 
         return $model;
     }
+
+    /**
+     * Determine if the trait is used by repository or model.
+     *
+     * @return bool
+     */
+    public static function isRepositoryContext()
+    {
+        return new static instanceof Repository;
+    }
 }

src/Traits/InteractWithSQLight.php

@@ -0,0 +1,94 @@
+<?php
+
+namespace Binaryk\LaravelRestify\Traits;
+
+use Illuminate\Database\Connectors\ConnectionFactory;
+use Illuminate\Support\Str;
+
+/**
+ * @author Caleb Porzio https://github.com/calebporzio/sushi/blob/master/src/Sushi.php
+ */
+trait InteractWithSQLight
+{
+    protected static $sushiConnection;
+
+    public static function resolveConnection($connection = null)
+    {
+        return static::$sushiConnection;
+    }
+
+    public static function bootSushi()
+    {
+        $instance = (new static);
+        $cacheFileName = 'sushi-'.Str::kebab(str_replace('\\', '', static::class)).'.sqlite';
+        $cacheDirectory = realpath(config('sushi.cache-path', storage_path('framework/cache')));
+        $cachePath = $cacheDirectory.'/'.$cacheFileName;
+        $modelPath = (new \ReflectionClass(static::class))->getFileName();
+
+        $states = [
+            'cache-file-found-and-up-to-date' => function () use ($cachePath) {
+                static::setSqliteConnection($cachePath);
+            },
+            'cache-file-not-found-or-stale' => function () use ($cachePath, $modelPath, $instance) {
+                file_put_contents($cachePath, '');
+
+                static::setSqliteConnection($cachePath);
+
+                $instance->migrate();
+
+                touch($cachePath, filemtime($modelPath));
+            },
+            'no-caching-capabilities' => function () use ($instance) {
+                static::setSqliteConnection(':memory:');
+
+                $instance->migrate();
+            },
+        ];
+
+        switch (true) {
+            case file_exists($cachePath) && filemtime($modelPath) === filemtime($cachePath):
+                $states['cache-file-found-and-up-to-date']();
+                break;
+
+            case file_exists($cacheDirectory) && is_writable($cacheDirectory):
+                $states['cache-file-not-found-or-stale']();
+                break;
+
+            default:
+                $states['no-caching-capabilities']();
+                break;
+        }
+    }
+
+    protected static function setSqliteConnection($database)
+    {
+        static::$sushiConnection = app(ConnectionFactory::class)->make([
+            'driver' => 'sqlite',
+            'database' => $database,
+        ]);
+    }
+
+    public function migrate()
+    {
+        $rows = $this->rows;
+        $firstRow = $rows[0];
+        $tableName = $this->getTable();
+
+        throw_unless($rows, new \Exception('Sushi: $rows property not found on model: '.get_class($this)));
+
+        static::resolveConnection()->getSchemaBuilder()->create($tableName, function ($table) use ($firstRow) {
+            foreach ($firstRow as $column => $value) {
+                if ($column === 'id') {
+                    $table->increments('id');
+                    continue;
+                }
+
+                $type = is_numeric($value) ? 'integer' : 'string';
+
+                $table->{$type}($column);
+            }
+        });
+
+        static::insert($rows);
+    }
+}