[UPDT] Barcode generate duplicate issue

product_barcode/__manifest__.py

@@ -22,7 +22,7 @@
 
 {
     'name': 'Product Barcode Generator',
-    'version': '14.0.1.0.0',
+    'version': '14.0.2.0.0',
     'summary': 'Generates EAN13 Standard Barcode for Product.',
     'live_test_url': 'https://www.youtube.com/watch?v=0BrFcOEkWu4&feature=youtu.be',
     'category': 'Inventory',

product_barcode/models/product_form.py

@@ -31,7 +31,15 @@ class ProductAutoBarcode(models.Model):
     @api.model
     def create(self, vals):
         res = super(ProductAutoBarcode, self).create(vals)
-        ean = generate_ean(str(res.id))
+        barcode_id = res.id
+        barcode_search = False
+        while not barcode_search:
+            ean = generate_ean(str(barcode_id))
+            if self.env['product.product'].search([('barcode', '=', ean)]):
+                barcode_search = False
+                barcode_id += 1
+            else:
+                barcode_search = True
         res.barcode = ean
         return res
 
@@ -80,6 +88,7 @@ def generate_ean(ean):
     ean = ean[:13]
     if len(ean) < 13:
         ean = ean + '0' * (13 - len(ean))
+    print("barcode : ", ean[:-1] + str(ean_checksum(ean)))
     return ean[:-1] + str(ean_checksum(ean))
 
 
@@ -89,7 +98,15 @@ class ProductTemplateAutoBarcode(models.Model):
     @api.model
     def create(self, vals_list):
         templates = super(ProductTemplateAutoBarcode, self).create(vals_list)
-        ean = generate_ean(str(templates.id))
+        barcode_id = templates.id
+        barcode_search = False
+        while not barcode_search:
+            ean = generate_ean(str(barcode_id))
+            if self.env['product.product'].search([('barcode', '=', ean)]):
+                barcode_search = False
+                barcode_id += 1
+            else:
+                barcode_search = True
         templates.barcode = ean
         return templates