add generating document number and enums for transaction type

app/Enums/TransactionTypeEnum.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Enums;
+
+use BenSampo\Enum\Enum;
+
+final class TransactionTypeEnum extends Enum
+{
+  const PURCHASES = 'PURCHASES';
+  const SALES = 'SALES';
+}

app/Http/Controllers/Api/PurchaseController.php

@@ -18,8 +18,14 @@
 use Illuminate\Support\Facades\Log;
 use League\CommonMark\Node\Block\Document;
 
+use App\Traits\GenerateDocumentNumber;
+
+use App\Enums\TransactionTypeEnum;
+
 class PurchaseController extends Controller
 {
+  use GenerateDocumentNumber;
+
   public function index()
   {
     $document_numbers = DocumentNumber::with('purchases')
@@ -36,11 +42,11 @@ public function store(Request $request)
     try {
       $document = DocumentNumber::create([
         'uuid' => Str::uuid(),
-        'document_no' => Str::ulid(),
+        'document_no' => $request->document_no,
         'description1' => $request->description1 ?? '',
         'description2' => $request->description2 ?? '',
         'transaction_date' => Carbon::parse($request->transaction_date),
-        'transaction_type' => 'PURCHASE',
+        'transaction_type' => TransactionTypeEnum::PURCHASES,
       ]);
       DB::commit();
     } catch (\Throwable $th) {
@@ -57,7 +63,7 @@ public function show(string $uuid)
 
     abort_if(!$document, '404', 'Document not found.');
 
-    $purchases = $this->getPurhcasesByDocumentId($document->id);
+    $purchases = $this->getPurchasesByDocumentId($document->id);
 
     return response()->json(['document' => $document, 'purchases' => $purchases]);
   }
@@ -123,12 +129,12 @@ public function addProducts(Request $request)
     }
 
 
-    $purchases = $this->getPurhcasesByDocumentId($document_id);
+    $purchases = $this->getPurchasesByDocumentId($document_id);
 
     return response()->json($purchases);
   }
 
-  private function getPurhcasesByDocumentId($document_id)
+  private function getPurchasesByDocumentId($document_id)
   {
     return Purchase::where('purchases.document_id', $document_id)
       ->join(App(Product::class)->getTable() . ' as product', 'product.id', '=', 'purchases.product_id')
@@ -146,4 +152,11 @@ private function getPurhcasesByDocumentId($document_id)
       ])
       ->get();
   }
+
+  public function generateDocumentNumber()
+  {
+    $document_number = $this->getDocumentNumber();
+
+    return response()->json($document_number);
+  }
 }

app/Http/Controllers/Api/SaleController.php

@@ -11,6 +11,8 @@
 use Illuminate\Support\Carbon;
 use Illuminate\Support\Str;
 
+use App\Enums\TransactionTypeEnum;
+
 class SaleController extends Controller
 {
   public function store(Request $request)
@@ -21,7 +23,7 @@ public function store(Request $request)
       'uuid' => Str::uuid(),
       'document_no' => Str::ulid(),
       'transaction_date' => Carbon::now(),
-      'transaction_type' => 'SALES',
+      'transaction_type' => TransactionTypeEnum::SALES,
     ]);
 
     foreach ($payload as $key => $row) {

app/Traits/GenerateDocumentNumber.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Traits;
+
+use Illuminate\Support\Str;
+
+trait GenerateDocumentNumber
+{
+
+  public function getDocumentNumber()
+  {
+    return Str::ulid();
+  }
+}

routes/api.php

@@ -30,6 +30,7 @@
   Route::prefix('purchases')->group(function () {
     Route::put('/update-quantity/{id}', [PurchaseController::class, 'updateQuantity']);
     Route::post('/add-product', [PurchaseController::class, 'addProducts']);
+    Route::get('/generate-document-number', [PurchaseController::class, 'generateDocumentNumber']);
   });
   Route::apiResource('/purchases', PurchaseController::class);