update product

addons/kosbar_erp_ext/models/product_template.py

@@ -9,10 +9,24 @@ class ProductTemplate(models.Model):
 
     item_code = fields.Char(
         string='Item Code',
-        index=True,
-        help='Kombinasi: parent_kode + kategori_kode + id_produk(4digit) + nama_produk_tanpa_spasi(lower)',
+        store=True,
+        readonly=False,  # biar view bisa pakai; kita atur readonly di XML
+        help='Kombinasi: parent_kode + kategori_kode + id(+4 digit) + nama_tanpa_spasi(lower). '
+             'Read-only, dipakai sbg stock keeping unit code.',
     )
 
+    @api.onchange('categ_id')
+    def _onchange_categ_preview(self):
+        """Saat create belum simpan id -> tampilkan pratinjau gabungan kode kategori."""
+        if self.categ_id and not self.env.context.get('default_product_tmpl_id') \
+                and not self.id and not self.item_code:
+            cat = self.categ_id
+            if cat and not cat.code:
+                cat.code = f'{cat.id:02d}'
+            parent = cat.parent_id.code if cat.parent_id else ''
+            own = cat.code or ''
+            self.item_code = f'{parent}{own}'
+
     @api.constrains('item_code')
     def _check_item_code_unique(self):
         for rec in self:
@@ -25,32 +39,35 @@ class ProductTemplate(models.Model):
                     f'({dup.name}). Item Code harus unik.'
                 )
 
-    def _generate_item_code(self):
-        """Generate item_code: parent_code + cat_code + id:04d + name_slug"""
-        for p in self:
-            cat = p.categ_id
-            parent_code = ''
-            cat_code = '00'
+    def _category_prefix(self, cat):
+        """Return gabungan kode kategori (parent+own), 4 digit atau 00."""
+        if not cat:
+            return '00'
+        if not cat.code:
+            cat.code = f'{cat.id:02d}'
+        parent_code = cat.parent_id.code if cat.parent_id else ''
+        own_code = cat.code or ''
+        return f'{parent_code}{own_code}'
 
-            if cat:
-                # Pastikan kategori punya code (calculate jika belum ada)
-                if not cat.code:
-                    cat.code = f'{cat.id:02d}'
-                parent_code = cat.parent_id.code if cat.parent_id else ''
-                cat_code = cat.code
+    def _name_slug(self, name):
+        return re.sub(r'\s+', '', (name or '').lower())
 
-            # slug: lowercase, remove semua spasi
-            name_slug = re.sub(r'\s+', '', (p.name or '').lower())
-            p.item_code = f'{parent_code}{cat_code}{p.id:04d}{name_slug}'
+    def _full_item_code(self, obj):
+        """Compute full item_code: prefix kategori + id:04d + name_slug."""
+        prefix = self._category_prefix(obj.categ_id)
+        oid = obj.id or 0
+        return f'{prefix}{oid:04d}{self._name_slug(obj.name)}'
 
     @api.model_create_multi
     def create(self, vals_list):
         records = super().create(vals_list)
-        records._generate_item_code()
+        for r in records:
+            r.item_code = r._full_item_code(r)
         return records
 
     def write(self, vals):
         res = super().write(vals)
         if 'name' in vals or 'categ_id' in vals:
-            self._generate_item_code()
-        return res
+            for r in self:
+                r.item_code = r._full_item_code(r)
+        return res