[12.0][IMP] base_tier_validation_forward, allow backward tier

base_tier_validation_forward/models/tier_definition.py

@@ -11,3 +11,8 @@ class TierDefinition(models.Model):
         default=False,
         help="Allow option to 'Forward' to different person.",
     )
+    backward = fields.Boolean(
+        string="Backward",
+        help="If the forwarded step is approved, "
+        "auto forward back again to finish the step.",
+    )

base_tier_validation_forward/models/tier_review.py

@@ -31,6 +31,11 @@ class TierReview(models.Model):
     approve_sequence = fields.Boolean(
         compute="_compute_definition_data", store=True, readonly=False,
     )
+    origin_id = fields.Many2one(
+        comodel_name="tier.review",
+        copy=False,
+        help="Reference to origin tier review that createก this tier.",
+    )
 
     @api.depends(
         "definition_id.name",

base_tier_validation_forward/models/tier_validation.py

@@ -7,6 +7,7 @@ class TierValidation(models.AbstractModel):
     _inherit = "tier.validation"
 
     can_forward = fields.Boolean(compute="_compute_can_forward")
+    can_backward = fields.Boolean(compute="_compute_can_backward")
 
     def _compute_can_forward(self):
         for rec in self:
@@ -18,6 +19,16 @@ def _compute_can_forward(self):
             definitions = reviews.mapped("definition_id")
             rec.can_forward = True in definitions.mapped("has_forward")
 
+    def _compute_can_backward(self):
+        for rec in self:
+            if not rec.can_review:
+                rec.can_backward = False
+                continue
+            sequences = self._get_sequences_to_approve(self.env.user)
+            reviews = rec.review_ids.filtered(lambda l: l.sequence in sequences)
+            definitions = reviews.mapped("definition_id")
+            rec.can_backward = True in definitions.mapped("backward")
+
     @api.model
     def _calc_reviews_validated(self, reviews):
         """Override for different validation policy."""
@@ -73,7 +84,7 @@ def _notify_forwarded_reviews(self):
         post = "message_post"
         if hasattr(self, post):
             # Notify state change
-            getattr(self, post)(
+            getattr(self.sudo(), post)(
                 subtype=self._get_forwarded_notification_subtype(),
                 body=self._notify_forwarded_reviews_body(),
             )
@@ -88,3 +99,33 @@ def _notify_forwarded_reviews_body(self):
                 "A review was forwarded from {} {}".format(self.env.user.name, comment)
             )
         return _("A review was forwarded by %s.") % (self.env.user.name)
+
+    def _validate_tier(self, tiers=False):
+        self.ensure_one()
+        backwards = self._create_backward(tiers)
+        super()._validate_tier(tiers=tiers)
+        backwards._compute_can_review()
+
+    def _create_backward(self, tiers):
+        """ Find the forward tier that require to backward """
+        tier_reviews = tiers or self.review_ids
+        to_backward_reviews = tier_reviews.filtered(
+            lambda r: r.status == "pending"
+            and (self.env.user in r.reviewer_ids)
+            and r.origin_id.definition_id.has_forward  # Forward
+            and r.origin_id.definition_id.backward  # To Backward
+        )
+        created_backward_reviews = self.env["tier.review"]
+        for review in to_backward_reviews:
+            new_backward_tier = review.origin_id.copy(
+                {
+                    "sequence": round(review.sequence + 0.1, 2),
+                    "done_by": False,
+                    "reviewed_date": False,
+                    "status": "pending",
+                    "comment": False,
+                    "origin_id": False,
+                }
+            )
+            created_backward_reviews += new_backward_tier
+        return created_backward_reviews

base_tier_validation_forward/tests/test_tier_validation.py

@@ -118,3 +118,71 @@ def test_01_forward_tier(self):
         wiz = wizard.save()
         wiz.add_comment()
         self.assertTrue(record.validated)
+
+    def test_02_forward_tier_backward(self):
+        # Create new test record
+        test_record = self.test_model.create({"test_field": 2.5})
+        # Create tier definitions
+        self.tier_def_obj.create(
+            {
+                "model_id": self.tester_model.id,
+                "review_type": "individual",
+                "reviewer_id": self.test_user_2.id,
+                "definition_domain": "[('test_field', '>', 1.0)]",
+                "approve_sequence": True,
+                "has_forward": True,
+                "backward": True,
+            }
+        )
+        # Request validation
+        review = test_record.sudo(user=self.test_user_2.id).request_validation()
+        self.assertTrue(review)
+        record = test_record.sudo(user=self.test_user_1.id)
+        record.invalidate_cache()
+        record.validate_tier()
+        self.assertFalse(record.can_forward)
+        self.assertFalse(record.can_backward)
+        # User 2 forward to user 1
+        record = test_record.sudo(user=self.test_user_2.id)
+        record.invalidate_cache()
+        self.assertTrue(record.can_forward)
+        self.assertTrue(record.can_backward)
+        res = record.forward_tier()
+        ctx = res.get("context")
+        wizard = Form(
+            self.env["tier.validation.forward.wizard"]
+            .sudo(user=self.test_user_2.id)
+            .with_context(ctx)
+        )
+        wizard.forward_reviewer_id = self.test_user_1
+        wizard.forward_description = "Please review again"
+        wizard.backward = True
+        wiz = wizard.save()
+        wiz.add_forward()
+        # Newly created forwarded review will have no definition and will have origin
+        record = test_record.sudo(user=self.test_user_2.id)
+        record.invalidate_cache()
+        self.assertTrue(record.review_ids.filtered(lambda l: not l.definition_id))
+        self.assertTrue(record.review_ids.filtered(lambda l: l.origin_id))
+        # User 1 validate
+        res = record.sudo(user=self.test_user_1.id).validate_tier()
+        ctx = res.get("context")
+        wizard = Form(
+            self.env["comment.wizard"].sudo(user=self.test_user_1.id).with_context(ctx)
+        )
+        wizard.comment = "Forward tier is reviewed"
+        wiz = wizard.save()
+        wiz.add_comment()
+        self.assertFalse(record.validated)
+        # Newly created review back to the original user
+        record = test_record.sudo(user=self.test_user_2.id)
+        record.invalidate_cache()
+        # There are now two tier reviews for user 2
+        self.assertEqual(
+            len(record.review_ids.filtered(
+                lambda l: l.reviewer_id == self.test_user_2)),
+            2
+        )
+        # User 2 does final validation
+        record.validate_tier()
+        self.assertTrue(record.validated)

base_tier_validation_forward/views/tier_definition_view.xml

@@ -8,7 +8,20 @@
         <field name="inherit_id" ref="base_tier_validation.tier_definition_view_form" />
         <field name="arch" type="xml">
             <field name="approve_sequence" position="after">
-                <field name="has_forward" />
+                <label for="has_forward" />
+                <div name="has_forward_div" class="o_row">
+                    <field name="has_forward" />
+                </div>
+                <label for="backward" invisible="1" />
+                <div
+                    name="backward_div"
+                    class="o_row"
+                    attrs="{'invisible': [('has_forward', '=', False)]}"
+                    title="If the forwarded step is approved, auto forward back again to finish the step."
+                >
+                    <field name="backward" />
+                    <span>Allow backward after the forward step is validated</span>
+                </div>
             </field>
         </field>
     </record>

base_tier_validation_forward/wizard/forward_wizard.py

@@ -15,6 +15,37 @@ class ValidationForwardWizard(models.TransientModel):
     forward_description = fields.Char()
     has_comment = fields.Boolean(string="Allow Comment", default=True)
     approve_sequence = fields.Boolean(string="Approve by sequence", default=True,)
+    can_backward = fields.Boolean(
+        string="Can ask for review",
+        compute="_compute_can_backward"
+    )
+    backward = fields.Boolean(
+        string="Ask for review",
+        default=False
+    )
+
+    def _compute_can_backward(self):
+        self.ensure_one()
+        record = self.env[self.res_model].browse(self.res_id)
+        self.can_backward = record.can_backward
+
+    def _get_tier_review_data(self, rec, prev_review):
+        data = {
+            "name": self.forward_description,
+            "model": rec._name,
+            "res_id": rec.id,
+            "sequence": round(prev_review.sequence + 0.1, 2),
+            "requested_by": self.env.uid,
+            "review_type": "individual",
+            "reviewer_id": self.forward_reviewer_id.id,
+            "has_comment": self.has_comment,
+            "approve_sequence": self.approve_sequence,
+        }
+        if self.backward:
+            data.update({
+                "origin_id": prev_review.id,
+            })
+        return data
 
     def add_forward(self):
         """ Add extra step, with specific reviewer """
@@ -27,18 +58,9 @@ def add_forward(self):
             {"comment": _(">> %s") % self.forward_reviewer_id.display_name}
         )
         prev_reviews = prev_comment.add_comment()
+        prev_review = prev_reviews.sorted("sequence")[-1:]  # Get max sequence
         self.env["tier.review"].create(
-            {
-                "name": self.forward_description,
-                "model": rec._name,
-                "res_id": rec.id,
-                "sequence": max(prev_reviews.mapped("sequence")) + 0.1,
-                "requested_by": self.env.uid,
-                "review_type": "individual",
-                "reviewer_id": self.forward_reviewer_id.id,
-                "has_comment": self.has_comment,
-                "approve_sequence": self.approve_sequence,
-            }
+            self._get_tier_review_data(rec, prev_review)
         )
         rec.invalidate_cache()
         rec.review_ids._compute_can_review()

base_tier_validation_forward/wizard/forward_wizard_view.xml

@@ -12,9 +12,11 @@
                     <group>
                         <field name="forward_reviewer_id" />
                         <field name="forward_description" required="1" />
+                        <field name="backward" />
                     </group>
                     <group>
                         <field name="has_comment" invisible="1" />
+                        <field name="can_backward" invisible="1" />
                         <field name="approve_sequence" invisible="1" />
                     </group>
                 </group>