修复多次返工报依赖问题

sf_manufacturing/models/mrp_workorder.py

@@ -256,7 +256,66 @@ class ResMrpWorkOrder(models.Model):
     detailed_reason = fields.Text('详细原因')
     is_rework = fields.Boolean(string='是否返工', default=False)
 
-    # is_send_program_again = fields.Boolean(string='是否重新下发NC程序', default=False)
+    @api.constrains('blocked_by_workorder_ids')
+    def _check_no_cyclic_dependencies(self):
+        if self.production_id.state not in ['rework'] and self.state not in ['rework']:
+            if not self._check_m2m_recursion('blocked_by_workorder_ids'):
+                raise ValidationError(_("您不能创建周期性的依赖关系."))
+
+    def _plan_workorder(self, replan=False):
+        self.ensure_one()
+        # Plan workorder after its predecessors
+        start_date = max(self.production_id.date_planned_start, datetime.now())
+        for workorder in self.blocked_by_workorder_ids:
+            if workorder.state in ['done', 'cancel', 'rework']:
+                continue
+            workorder._plan_workorder(replan)
+            start_date = max(start_date, workorder.date_planned_finished)
+        # Plan only suitable workorders
+        if self.state not in ['pending', 'waiting', 'ready']:
+            return
+        if self.leave_id:
+            if replan:
+                self.leave_id.unlink()
+            else:
+                return
+        # Consider workcenter and alternatives
+        workcenters = self.workcenter_id | self.workcenter_id.alternative_workcenter_ids
+        best_finished_date = datetime.max
+        vals = {}
+        for workcenter in workcenters:
+            # Compute theoretical duration
+            if self.workcenter_id == workcenter:
+                duration_expected = self.duration_expected
+            else:
+                duration_expected = self._get_duration_expected(alternative_workcenter=workcenter)
+            from_date, to_date = workcenter._get_first_available_slot(start_date, duration_expected)
+            # If the workcenter is unavailable, try planning on the next one
+            if not from_date:
+                continue
+            # Check if this workcenter is better than the previous ones
+            if to_date and to_date < best_finished_date:
+                best_start_date = from_date
+                best_finished_date = to_date
+                best_workcenter = workcenter
+                vals = {
+                    'workcenter_id': workcenter.id,
+                    'duration_expected': duration_expected,
+                }
+        # If none of the workcenter are available, raise
+        if best_finished_date == datetime.max:
+            raise UserError(_('Impossible to plan the workorder. Please check the workcenter availabilities.'))
+        # Create leave on chosen workcenter calendar
+        leave = self.env['resource.calendar.leaves'].create({
+            'name': self.display_name,
+            'calendar_id': best_workcenter.resource_calendar_id.id,
+            'date_from': best_start_date,
+            'date_to': best_finished_date,
+            'resource_id': best_workcenter.resource_id.id,
+            'time_type': 'other'
+        })
+        vals['leave_id'] = leave.id
+        self.write(vals)
 
     @api.onchange('rfid_code')
     def _onchange(self):