ERP: field code kategori & item_code produk (parent+child+id+name), migrasi existing data, update .gitignore untuk addons

addons/kosbar_erp_ext/models/product_template.py

@@ -0,0 +1,56 @@
+import re
+
+from odoo import models, fields, api
+from odoo.exceptions import ValidationError
+
+
+class ProductTemplate(models.Model):
+    _inherit = 'product.template'
+
+    item_code = fields.Char(
+        string='Item Code',
+        index=True,
+        help='Kombinasi: parent_kode + kategori_kode + id_produk(4digit) + nama_produk_tanpa_spasi(lower)',
+    )
+
+    @api.constrains('item_code')
+    def _check_item_code_unique(self):
+        for rec in self:
+            if not rec.item_code:
+                continue
+            dup = self.search([('item_code', '=', rec.item_code), ('id', '!=', rec.id)], limit=1)
+            if dup:
+                raise ValidationError(
+                    f'Item Code "{rec.item_code}" sudah dipakai oleh produk lain '
+                    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'
+
+            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
+
+            # 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}'
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        records = super().create(vals_list)
+        records._generate_item_code()
+        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