Support for ordered sync/importing

- Order specified in config
- Tests for ordered sync
- New ErrorUpdatingModelException specifies which Model the error was thrown on

config/data-sync.php

@@ -2,4 +2,7 @@
 
 return [
     'path' => base_path('sync'),
+    'order' => [
+        //
+    ]
 ];

readme.md

@@ -6,7 +6,7 @@ Laravel utility to keep records synced between enviroments through source contro
 - Create a JSON file for each model, using the model name as the filename. Example: Product.json would update the Product model
 - Use nested arrays in place of hardcoded IDs for relationships
 - Run `php artisan vendor:publish --provider="distinctm\LaravelDataSync\DataSyncBaseServiceProvider" --tag="data-sync-config"` to publish config file. Specify directory for sync data files (default is a new sync directory in the project root)
-- Run `php artisan data:sync`
+- Run `php artisan data:sync` (or `php artisan data:sync --model={model}` with the model flag to specify a model)
 
 ### Optional
 If using Laravel Forge, you can have the data sync run automatically on deploy. Edit your deploy script in Site -> App to include:
@@ -21,8 +21,18 @@ fi
 ## Notes
 - use studly case for model name relationships as JSON keys (example: 'option_group' => 'OptionGroup'). This is important for case sensitive file systems.
 - empty values are skipped
-- the criteria/attributes for updateOrCreate are identified with a preleading underscore
+- the criteria/attributes for updateOrCreate are identified with a leading underscore
 - nested values represent relationships and are returned using where($key, $value)->first()->id
+- order of import can be set in _config/data-sync.php_ with an array:
+```
+return [
+    'path' => base_path('sync'),
+    'order' => [
+        'Role',
+        'Supervisor',
+    ]
+];
+```
 
 ## Examples
 ### User.json:

src/Exceptions/ErrorUpdatingModelException.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace distinctm\LaravelDataSync\Exceptions;
+
+use Exception;
+use Throwable;
+
+class ErrorUpdatingModelException extends Exception
+{
+    public function __construct(string $message = "", int $code = 0, Throwable $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+
+        $this->message = "Error updating the {$message} model.";
+    }
+}

src/Updater.php

@@ -7,6 +7,7 @@ use distinctm\LaravelDataSync\Exceptions\NoCriteriaException;
 use distinctm\LaravelDataSync\Exceptions\NoRecordsInvalidJSONException;
 use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\File;
+use distinctm\LaravelDataSync\Exceptions\ErrorUpdatingModelException;
 
 class Updater
 {
@@ -31,11 +32,17 @@ class Updater
      */
     public function run()
     {
-        $records = collect($this->files)->map(function ($file) {
-            return $this->syncModel($file);
-        });
+        $files = $this->sortModels($this->files);
 
-        return $records;
+        return $files->map(function ($file) {
+            try {
+                return $this->syncModel($file);
+            } catch (\ErrorException $e) {
+                $model = pathinfo($file, PATHINFO_FILENAME);
+
+                throw new ErrorUpdatingModelException(ucwords($model));
+            }
+        });
     }
 
     /**
@@ -71,7 +78,7 @@ class Updater
      *
      * @param $path
      *
-     * @return array
+     * @return string
      * @throws \distinctm\LaravelDataSync\Exceptions\FileDirectoryNotFoundException
      */
     protected function getDirectory($path)
@@ -91,17 +98,41 @@ class Updater
      * @param string $directory
      * @param string|null $model
      *
-     * @return array|string
+     * @return \Illuminate\Support\Collection
      */
-    protected function getFiles(string $directory, $model)
+    protected function getFiles(string $directory, $model = null)
     {
         if ($model) {
-            return $directory . '/' . $model . '.json';
+            return Collection::wrap($directory . '/' . $model . '.json');
         }
 
         return collect(File::files($directory))->map(function ($path) {
             return $path->getPathname();
-        })->toArray();
+        });
+    }
+
+    /**
+     * Sort Models by pre-configured order
+     *
+     * @param \Illuminate\Support\Collection $files
+     * @return \Illuminate\Support\Collection
+     */
+    protected function sortModels(\Illuminate\Support\Collection $files)
+    {
+        if(empty(config('data-sync.order'))) {
+            return $files;
+        }
+        
+        return $files->sortBy(function($file) use ($files) {
+            $filename = pathinfo($file, PATHINFO_FILENAME);
+            
+            $order = array_search(
+                studly_case($filename), 
+                config('data-sync.order')
+            );
+            
+            return $order !== false ? $order : (count($files) + 1);
+        });
     }
 
     /**
@@ -109,7 +140,7 @@ class Updater
      *
      * @param object $record
      *
-     * @return array
+     * @return \Illuminate\Support\Collection
      * @throws \distinctm\LaravelDataSync\Exceptions\NoCriteriaException
      */
     protected function getCriteria(object $record)
@@ -132,7 +163,7 @@ class Updater
      *
      * @param object $record
      *
-     * @return array
+     * @return \Illuminate\Support\Collection
      */
     protected function getValues(object $record)
     {

tests/Unit/UpdaterTest.php

@@ -4,6 +4,7 @@ namespace distinctm\LaravelDataSync\Tests;
 
 use distinctm\LaravelDataSync\Tests\Fakes\UpdaterFake;
 use Exception;
+use distinctm\LaravelDataSync\Exceptions\ErrorUpdatingModelException;
 
 class UpdaterTest extends TestCase
 {
@@ -86,7 +87,6 @@ class UpdaterTest extends TestCase
         } catch (Exception $e) {
             $this->assertContains('No records or invalid JSON for', $e->getMessage());
         }
-
     }
 
     /** @test */
@@ -101,6 +101,34 @@ class UpdaterTest extends TestCase
         } catch (Exception $e) {
            $this->assertEquals('No criteria/attributes detected', $e->getMessage());
         }
+    }
 
+    /** @test */
+    public function order_of_imports_can_be_defined_in_config()
+    {
+        config()->set('data-sync.order', [
+            'Supervisor',
+            'Roles'
+        ]);
+
+        $updater = new UpdaterFake(__DIR__ . '/../test-data/ordered');
+        $updater->run();
+
+        $this->assertDatabaseHas('roles', ['slug' => 'update-student-records']);
+        $this->assertDatabaseHas('supervisors', ['name' => 'CEO']);
+    }
+
+    /** @test */
+    public function exception_is_thrown_if_imports_are_in_incorrect_order()
+    {
+        config()->set('data-sync.order', [
+            'Roles',
+            'Supervisor'
+        ]);
+
+        $this->expectException(ErrorUpdatingModelException::class);
+        
+        $updater = new UpdaterFake(__DIR__ . '/../test-data/ordered');
+        $updater->run();
     }
 }

tests/test-data/ordered/roles.json

@@ -0,0 +1,9 @@
+[
+    {
+        "_slug": "update-student-records",
+        "category": "testing",
+        "supervisor": {
+            "name": "CEO"
+        }
+    }
+]

tests/test-data/ordered/supervisor.json

@@ -0,0 +1,5 @@
+[
+    {
+        "_name": "CEO"
+    }
+]