Initial commit: Accounting packages

odoo-bringout-oca-ocb-account_debit_note/account_debit_note/models/__init__.py

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+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from . import account_move

odoo-bringout-oca-ocb-account_debit_note/account_debit_note/models/account_move.py

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+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import models, fields, api, _
+
+class AccountMove(models.Model):
+    _inherit = "account.move"
+
+    debit_origin_id = fields.Many2one('account.move', 'Original Invoice Debited', readonly=True, copy=False, index='btree_not_null')
+    debit_note_ids = fields.One2many('account.move', 'debit_origin_id', 'Debit Notes',
+                                     help="The debit notes created for this invoice")
+    debit_note_count = fields.Integer('Number of Debit Notes', compute='_compute_debit_count')
+
+    @api.depends('debit_note_ids')
+    def _compute_debit_count(self):
+        debit_data = self.env['account.move']._read_group([('debit_origin_id', 'in', self.ids)],
+                                                        ['debit_origin_id'], ['debit_origin_id'])
+        data_map = {datum['debit_origin_id'][0]: datum['debit_origin_id_count'] for datum in debit_data}
+        for inv in self:
+            inv.debit_note_count = data_map.get(inv.id, 0.0)
+
+    def action_view_debit_notes(self):
+        self.ensure_one()
+        return {
+            'type': 'ir.actions.act_window',
+            'name': _('Debit Notes'),
+            'res_model': 'account.move',
+            'view_mode': 'tree,form',
+            'domain': [('debit_origin_id', '=', self.id)],
+        }
+
+    def _get_copy_message_content(self, default):
+        """Override to handle debit note specific messages."""
+        if default and default.get('debit_origin_id'):
+            return _('This debit note was created from: %s', self._get_html_link())
+        return super()._get_copy_message_content(default)