nuke task

nuke_mid_task/__init__.py

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+from . import models

nuke_mid_task/__manifest__.py

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+{
+    'name': 'Task Nuker',
+    'version': '17.0.1.0.0',
+    'category': 'Project',
+    'summary': 'Add ability to nuke intermediate tasks while preserving hierarchy',
+    'description': """
+This module adds a 'Nuke' button on tasks that have both parent and child tasks.
+When activated:
+- Requests confirmation
+- Reassigns all child tasks to the parent task
+- Deletes the intermediate task
+- Logs the action in the chatter of both parent and child tasks
+    """,
+    'author': 'DurPro',
+    'website': 'https://www.durpro.com',
+    'depends': [
+        'project',
+    ],
+    'data': [
+        'views/project_task_views.xml',
+        'security/ir.model.access.csv',
+    ],
+    'assets': {},
+    'license': 'LGPL-3',
+    'installable': True,
+    'application': False,
+    'auto_install': False,
+}

nuke_mid_task/models/__init__.py

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+from . import project_task

nuke_mid_task/models/project_task.py

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+from odoo import models, api, fields, _
+from odoo.exceptions import UserError
+
+class ProjectTask(models.Model):
+    _inherit = 'project.task'
+
+    can_be_nuked = fields.Boolean(
+        compute='_compute_can_be_nuked',
+        help="Technical field to determine if task can be nuked"
+    )
+
+    @api.depends('parent_id', 'child_ids')
+    def _compute_can_be_nuked(self):
+        """Compute if the task can be nuked based on parent and children presence"""
+        for task in self:
+            task.can_be_nuked = bool(task.parent_id and task.child_ids)
+
+    def action_nuke_task(self):
+        """
+        Nuke the current task:
+        1. Verify the task can be nuked
+        2. Get parent and children
+        3. Reassign all children to the parent
+        4. Update children names to include nuked task name
+        5. Post messages in the chatter
+        6. Delete the current task
+        7. Return action to redirect to parent task
+        """
+        self.ensure_one()
+        if not self.can_be_nuked:
+            raise UserError(_("This task cannot be nuked. It must have both a parent and child tasks."))
+
+        parent = self.parent_id
+        children = self.child_ids
+        nuked_name = self.name
+
+        # Post message to parent about the upcoming changes
+        parent.message_post(
+            body=_(
+                "The following task has been nuked: %(task)s\n"
+                "%(count)d child tasks have been reassigned to this task."
+            ) % {
+                'task': nuked_name,
+                'count': len(children)
+            }
+        )
+
+        # Reassign all children to the parent, update their names and notify them
+        for child in children:
+            old_name = child.name
+            # Update name to include nuked task's name
+            child.write({
+                'name': f"[{nuked_name}] {old_name}",
+                'parent_id': parent.id
+            })
+            child.message_post(
+                body=_("This task has been reassigned to %(new_parent)s due to the removal of %(old_parent)s.\nTask name updated from '%(old_name)s' to '%(new_name)s'") % {
+                    'new_parent': parent.name,
+                    'old_parent': nuked_name,
+                    'old_name': old_name,
+                    'new_name': child.name
+                }
+            )
+
+        # Delete the current task
+        self.unlink()
+
+        # Return action to redirect to parent task
+        return {
+            'type': 'ir.actions.act_window',
+            'res_model': 'project.task',
+            'res_id': parent.id,
+            'view_mode': 'form',
+            'target': 'current',
+        }

nuke_mid_task/security/ir.model.access.csv

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+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink

nuke_mid_task/views/project_task_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="view_task_form_inherit_nuke" model="ir.ui.view">
+        <field name="name">project.task.form.inherit.nuke</field>
+        <field name="model">project.task</field>
+        <field name="inherit_id" ref="project.view_task_form2"/>
+        <field name="arch" type="xml">
+            <xpath expr="//field[@name='recurrence_id']" position="after">
+                <field name="can_be_nuked" invisible="1"/>
+            </xpath>
+            <xpath expr="//header" position="inside">
+                <button 
+                    name="action_nuke_task"
+                    string="Nuke Task"
+                    type="object"
+                    confirm="Are you sure you want to nuke this task? All child tasks will be reassigned to the parent task."
+                    invisible="not can_be_nuked"
+                    groups="project.group_project_manager"/>
+            </xpath>
+        </field>
+    </record>
+</odoo>