[IMP] ddmrp_adjustment: delete DAD when updating parent buffer.

ddmrp_adjustment/models/ddmrp_adjustment_demand.py

@@ -16,6 +16,8 @@ class DdmrpAdjustmentDemand(models.Model):
     buffer_origin_id = fields.Many2one(
         comodel_name="stock.buffer",
         string="Originated from",
+        required=True,
+        ondelete="cascade",
     )
     product_origin_id = fields.Many2one(
         related="buffer_origin_id.product_id",

ddmrp_adjustment/models/stock_buffer.py

@@ -26,12 +26,13 @@ class StockBuffer(models.Model):
     pre_daf_adu = fields.Float(readonly=True)
     daf_applied = fields.Float(default=-1, readonly=True)
     parent_daf_applied = fields.Float(default=-1, readonly=True)
+    number_of_dad = fields.Integer(readonly=True)
 
     @api.depends("daf_applied", "parent_daf_applied")
     def _compute_daf_text(self):
         for rec in self:
-            rec.daf_text = "DAF: *" + str(rec.daf_applied)
-            rec.parent_daf_text = "P. DAF: +" + str(rec.parent_daf_applied)
+            rec.daf_text = "DAF: *" + str(round(rec.daf_applied, 2))
+            rec.parent_daf_text = "P. DAF: +" + str(round(rec.parent_daf_applied, 2))
 
     def _daf_to_apply_domain(self, current=True):
         self.ensure_one()
@@ -49,6 +50,9 @@ def _calc_adu(self):
         # Apply DAFs if existing for the buffer.
         res = super()._calc_adu()
         for rec in self:
+            self.env["ddmrp.adjustment.demand"].search(
+                [("buffer_origin_id", "=", rec.id)]
+            ).unlink()
             dafs_to_apply = self.env["ddmrp.adjustment"].search(
                 rec._daf_to_apply_domain()
             )
@@ -73,6 +77,11 @@ def _calc_adu(self):
                 prev = rec.adu
                 increased_demand = prev * daf.value - prev
                 rec.explode_demand_to_components(daf, increased_demand, rec.product_uom)
+            rec.number_of_dad = len(
+                self.env["ddmrp.adjustment.demand"]
+                .search([("buffer_origin_id", "=", rec.id)])
+                .ids
+            )
         return res
 
     def explode_demand_to_components(self, daf, demand, uom_id):
@@ -127,7 +136,6 @@ def _create_demand(bom, factor=1, level=0, clt=0):
     def cron_ddmrp_adu(self, automatic=False):
         """Apply extra demand originated by Demand Adjustment Factors to
         components after the cron update of all the buffers."""
-        self.env["ddmrp.adjustment.demand"].search([]).unlink()
         res = super().cron_ddmrp_adu(automatic)
         today = fields.Date.today()
         for op in self.search([]).filtered("extra_demand_ids"):
@@ -177,6 +185,12 @@ def _compute_dlt(self):
                 )
         return res
 
+    def action_archive(self):
+        self.env["ddmrp.adjustment.demand"].search(
+            [("buffer_origin_id", "in", self.ids)]
+        ).unlink()
+        return super().action_archive()
+
     def action_view_demand_to_components(self):
         demand_ids = (
             self.env["ddmrp.adjustment.demand"]

ddmrp_adjustment/views/stock_buffer_view.xml

@@ -8,12 +8,14 @@
         <field name="inherit_id" ref="ddmrp.stock_buffer_view_form" />
         <field name="arch" type="xml">
             <xpath expr="//div[@name='button_box']" position="inside">
+                <field name="number_of_dad" invisible="1" />
                 <button
                     string="DAF Demand Allocation"
                     name="action_view_demand_to_components"
                     class="oe_stat_button"
                     icon="fa-caret-square-o-down"
                     type="object"
+                    attrs="{'invisible': [('number_of_dad', '=', 0)]}"
                 />
             </xpath>
             <button name="action_view_future_adu_indirect_demand" position="after">