Merge PR #3121 into 16.0

Signed-off-by pedrobaeza

web_ir_actions_act_multi/models/__init__.py

@@ -1 +1,2 @@
 from . import ir_actions
+from . import ir_model

web_ir_actions_act_multi/models/ir_model.py

@@ -0,0 +1,37 @@
+from odoo import api, models
+
+
+class IrModelData(models.Model):
+    _inherit = "ir.model.data"
+
+    @api.model
+    def _module_data_uninstall(self, modules_to_remove):
+        # Set a flag to prevent the deletion of tables and columns
+        # related to ir.actions.act_multi.
+        if "web_ir_actions_act_multi" in modules_to_remove:
+            self = self.with_context(uninstall_web_ir_actions_act_multi=True)
+        return super(IrModelData, self)._module_data_uninstall(modules_to_remove)
+
+
+class IrModel(models.Model):
+    _inherit = "ir.model"
+
+    def _drop_table(self):
+        # Prevent the deletion of the table.
+        # The model is ir.actions.act_multi, but the actual table is ir_actions.
+        # This table is a core component and should not be removed.
+        if self.env.context.get("uninstall_web_ir_actions_act_multi"):
+            self -= self.filtered(lambda model: model.model == "ir.actions.act_multi")
+        return super()._drop_table()
+
+
+class IrModelFields(models.Model):
+    _inherit = "ir.model.fields"
+
+    def _drop_column(self):
+        # Prevent the deletion of columns in the ir_actions table.
+        # The model is ir.actions.act_multi, but the actual table is ir_actions.
+        # Since this table is a core component, its columns should not be deleted.
+        if self.env.context.get("uninstall_web_ir_actions_act_multi"):
+            self -= self.filtered(lambda field: field.model == "ir.actions.act_multi")
+        return super()._drop_column()