TA#66483 [IMP] project_stage: Fold kanban column by stage (#401)

* TA#66483 [FIX] Folded kanban on load

* TA#66483 [IMP] project_stage: Fold kanban by stage

---------

Co-authored-by: Majda EL MARIOULI <majdaelmariouli@gmail.com>

project_stage/__manifest__.py

@@ -3,7 +3,7 @@
 
 {
     'name': 'Project Stages',
-    'version': "1.0.1",
+    'version': "1.0.2",
     'author': 'Numigi',
     'maintainer': 'Numigi',
     'website': 'https://bit.ly/numigi-com',

project_stage/models/project_stage.py

@@ -1,33 +1,50 @@
 # © 2022 Numigi (tm) and all its contributors (https://bit.ly/numigiens)
 # License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
 
-from odoo import fields, models
+from odoo import api, fields, models, SUPERUSER_ID
 
 
 class ProjectStage(models.Model):
-    _name = 'project.stage'
-    _description = 'Project Stage'
-    _order = 'sequence'
+    _name = "project.stage"
+    _description = "Project Stage"
+    _order = "sequence, id"
 
     name = fields.Char(required=True, translate=True)
     sequence = fields.Integer()
     description = fields.Text(translate=True)
     active = fields.Boolean(default=True)
     fold = fields.Boolean(
-        string='Folded in Kanban',
+        string="Folded in Kanban",
         help="""This stage is folded in the kanban view when there are
-         no records in that stage to display."""
+        no records in that stage to display.""",
     )
 
 
-class ProjectWithStage(models.Model):
-    _inherit = 'project.project'
+class ProjectProject(models.Model):
+    _inherit = "project.project"
 
-    def compute_default_stage(self):
-        return self.env['project.stage'].search(
-            [('fold', '=', False)], order='sequence', limit=1).id
+    def _get_default_stage_id(self):
+        return (
+            self.env["project.stage"]
+            .search([("fold", "=", False)], order="sequence", limit=1)
+            .id
+        )
+
+    @api.model
+    def _read_group_stage_ids(self, stages, domain, order):
+        search_domain = [("id", "in", stages.ids)]
+        stage_ids = stages._search(
+            search_domain, order=order, access_rights_uid=SUPERUSER_ID
+        )
+        return stages.browse(stage_ids)
 
     stage_id = fields.Many2one(
-        'project.stage', 'Stage', ondelete='restrict', index=True,
-        default=compute_default_stage,
-        tracking=True)
+        "project.stage",
+        string="Stage",
+        ondelete="restrict",
+        index=True,
+        default=_get_default_stage_id,
+        group_expand="_read_group_stage_ids",
+        tracking=True,
+        copy=False
+    )