feat: project template having dependent tasks
diff --git a/erpnext/projects/doctype/project/project.py b/erpnext/projects/doctype/project/project.py
index dfb54a2..2d33397 100644
--- a/erpnext/projects/doctype/project/project.py
+++ b/erpnext/projects/doctype/project/project.py
@@ -55,11 +55,13 @@
# create tasks from template
project_tasks = []
+ tmp_task_details = []
for task in template.tasks:
template_task_details = frappe.get_doc("Task", task.task)
+ tmp_task_details.append(template_task_details)
project_tasks.append(self.create_task_from_template(template_task_details))
- #self.dependency_mapping(template.tasks, project_tasks)
+ self.dependency_mapping(tmp_task_details, project_tasks)
def create_task_from_template(self, task_details):
return frappe.get_doc(dict(
@@ -78,16 +80,33 @@
duration = task_details.duration
)).insert()
- """ def dependency_mapping(self, template_tasks, project_tasks):
+ def dependency_mapping(self, template_tasks, project_tasks):
for tmp_task in template_tasks:
for prj_task in project_tasks:
if tmp_task.subject == prj_task.subject:
- if tmp_task.depends_on and not prj_task.depends_on:
- for child_task in tmp_task.depends_on:
- child_task_detai
- prj_task.depends_on = tmp_task.depends_on
- """
+ self.check_depends_on_value(tmp_task, prj_task, project_tasks)
+ self.check_for_parent_tasks(tmp_task, prj_task, project_tasks)
+ def check_depends_on_value(self, tmp_task, prj_task, project_tasks):
+ if tmp_task.depends_on and not prj_task.depends_on:
+ for child_task in tmp_task.depends_on:
+ child_task_subject = frappe.db.get_value("Task", child_task.task, "subject")
+ corresponding_prj_task = list(filter(lambda x: x.subject == child_task_subject, project_tasks))
+ if len(corresponding_prj_task):
+ prj_task.append("depends_on",{
+ "task": corresponding_prj_task[0].name
+ })
+ prj_task.save()
+
+ def check_for_parent_tasks(self, tmp_task, prj_task, project_tasks):
+ if tmp_task.parent_task and not prj_task.parent_task:
+ parent_task_subject = frappe.db.get_value("Task", tmp_task.parent_task, "subject")
+ corresponding_prj_task = list(filter(lambda x: x.subject == parent_task_subject, project_tasks))
+ if len(corresponding_prj_task):
+ prj_task.parent_task = corresponding_prj_task[0].name
+ print(prj_task.name, prj_task.parent_task, corresponding_prj_task[0].name)
+ prj_task.save()
+ print(prj_task.name, corresponding_prj_task[0].name)
def is_row_updated(self, row, existing_task_data, fields):
if self.get("__islocal") or not existing_task_data: return True
diff --git a/erpnext/projects/doctype/project_template/project_template.py b/erpnext/projects/doctype/project_template/project_template.py
index ac78135..1beebf7 100644
--- a/erpnext/projects/doctype/project_template/project_template.py
+++ b/erpnext/projects/doctype/project_template/project_template.py
@@ -3,8 +3,27 @@
# For license information, please see license.txt
from __future__ import unicode_literals
-# import frappe
+import frappe
from frappe.model.document import Document
+from frappe import _
class ProjectTemplate(Document):
- pass
+
+ def validate(self):
+ self.validate_dependencies()
+
+ def validate_dependencies(self):
+ for task in self.tasks:
+ task_details = frappe.get_doc("Task", task.task)
+ if task_details.depends_on:
+ for dependency_task in task_details.depends_on:
+ if not self.check_dependent_task_presence(dependency_task.task):
+ task_details_format = """<a href="#Form/Task/{0}">{0}</a>""".format(task_details.name)
+ dependency_task_format = """<a href="#Form/Task/{0}">{0}</a>""".format(dependency_task.task)
+ frappe.throw(_("Task {0} depends on Task {1}. Please add Task {1} to the Tasks list.").format(frappe.bold(task_details_format), frappe.bold(dependency_task_format)))
+
+ def check_dependent_task_presence(self, task):
+ for task_details in self.tasks:
+ if task_details.task == task:
+ return True
+ return False
diff --git a/erpnext/projects/doctype/task/task.py b/erpnext/projects/doctype/task/task.py
index fb84094..072a848 100755
--- a/erpnext/projects/doctype/task/task.py
+++ b/erpnext/projects/doctype/task/task.py
@@ -17,291 +17,310 @@
class EndDateCannotBeGreaterThanProjectEndDateError(frappe.ValidationError): pass
class Task(NestedSet):
- nsm_parent_field = 'parent_task'
+ nsm_parent_field = 'parent_task'
- def get_feed(self):
- return '{0}: {1}'.format(_(self.status), self.subject)
+ def get_feed(self):
+ return '{0}: {1}'.format(_(self.status), self.subject)
- def get_customer_details(self):
- cust = frappe.db.sql("select customer_name from `tabCustomer` where name=%s", self.customer)
- if cust:
- ret = {'customer_name': cust and cust[0][0] or ''}
- return ret
+ def get_customer_details(self):
+ cust = frappe.db.sql("select customer_name from `tabCustomer` where name=%s", self.customer)
+ if cust:
+ ret = {'customer_name': cust and cust[0][0] or ''}
+ return ret
- def validate(self):
- self.validate_dates()
- self.validate_parent_project_dates()
- self.validate_progress()
- self.validate_status()
- self.update_depends_on()
+ def validate(self):
+ self.validate_dates()
+ self.validate_parent_project_dates()
+ self.validate_progress()
+ self.validate_status()
+ self.update_depends_on()
+ self.validate_dependencies_for_template_task()
- def validate_dates(self):
- if self.exp_start_date and self.exp_end_date and getdate(self.exp_start_date) > getdate(self.exp_end_date):
- frappe.throw(_("{0} can not be greater than {1}").format(frappe.bold("Expected Start Date"), \
- frappe.bold("Expected End Date")))
+ def validate_dates(self):
+ if self.exp_start_date and self.exp_end_date and getdate(self.exp_start_date) > getdate(self.exp_end_date):
+ frappe.throw(_("{0} can not be greater than {1}").format(frappe.bold("Expected Start Date"), \
+ frappe.bold("Expected End Date")))
- if self.act_start_date and self.act_end_date and getdate(self.act_start_date) > getdate(self.act_end_date):
- frappe.throw(_("{0} can not be greater than {1}").format(frappe.bold("Actual Start Date"), \
- frappe.bold("Actual End Date")))
+ if self.act_start_date and self.act_end_date and getdate(self.act_start_date) > getdate(self.act_end_date):
+ frappe.throw(_("{0} can not be greater than {1}").format(frappe.bold("Actual Start Date"), \
+ frappe.bold("Actual End Date")))
- def validate_parent_project_dates(self):
- if not self.project or frappe.flags.in_test:
- return
+ def validate_parent_project_dates(self):
+ if not self.project or frappe.flags.in_test:
+ return
- expected_end_date = frappe.db.get_value("Project", self.project, "expected_end_date")
+ expected_end_date = frappe.db.get_value("Project", self.project, "expected_end_date")
- if expected_end_date:
- validate_project_dates(getdate(expected_end_date), self, "exp_start_date", "exp_end_date", "Expected")
- validate_project_dates(getdate(expected_end_date), self, "act_start_date", "act_end_date", "Actual")
+ if expected_end_date:
+ validate_project_dates(getdate(expected_end_date), self, "exp_start_date", "exp_end_date", "Expected")
+ validate_project_dates(getdate(expected_end_date), self, "act_start_date", "act_end_date", "Actual")
- def validate_status(self):
- if self.status!=self.get_db_value("status") and self.status == "Completed":
- for d in self.depends_on:
- if frappe.db.get_value("Task", d.task, "status") not in ("Completed", "Cancelled"):
- frappe.throw(_("Cannot complete task {0} as its dependant task {1} are not ccompleted / cancelled.").format(frappe.bold(self.name), frappe.bold(d.task)))
+ def validate_status(self):
+ if self.status!=self.get_db_value("status") and self.status == "Completed":
+ for d in self.depends_on:
+ if frappe.db.get_value("Task", d.task, "status") not in ("Completed", "Cancelled"):
+ frappe.throw(_("Cannot complete task {0} as its dependant task {1} are not ccompleted / cancelled.").format(frappe.bold(self.name), frappe.bold(d.task)))
- close_all_assignments(self.doctype, self.name)
+ close_all_assignments(self.doctype, self.name)
- def validate_progress(self):
- if flt(self.progress or 0) > 100:
- frappe.throw(_("Progress % for a task cannot be more than 100."))
+ def validate_progress(self):
+ if flt(self.progress or 0) > 100:
+ frappe.throw(_("Progress % for a task cannot be more than 100."))
- if flt(self.progress) == 100:
- self.status = 'Completed'
+ if flt(self.progress) == 100:
+ self.status = 'Completed'
- if self.status == 'Completed':
- self.progress = 100
+ if self.status == 'Completed':
+ self.progress = 100
- def update_depends_on(self):
- depends_on_tasks = self.depends_on_tasks or ""
- for d in self.depends_on:
- if d.task and not d.task in depends_on_tasks:
- depends_on_tasks += d.task + ","
- self.depends_on_tasks = depends_on_tasks
+ def validate_dependencies_for_template_task(self):
+ if self.is_template:
+ self.validate_parent_template_task()
+ self.validate_depends_on_tasks()
+
+ def validate_parent_template_task(self):
+ if self.parent_task:
+ if not frappe.db.get_value("Task", self.parent_task, "is_template"):
+ parent_task_format = """<a href="#Form/Task/{0}">{0}</a>""".format(self.parent_task)
+ frappe.throw(_("Parent Task {0} is not a Template Task").format(parent_task_format))
+
+ def validate_depends_on_tasks(self):
+ if self.depends_on:
+ for task in self.depends_on:
+ if not frappe.db.get_value("Task", task.task, "is_template"):
+ dependent_task_format = """<a href="#Form/Task/{0}">{0}</a>""".format(task.task)
+ frappe.throw(_("Dependent Task {0} is not a Template Task").format(dependent_task_format))
- def update_nsm_model(self):
- frappe.utils.nestedset.update_nsm(self)
+ def update_depends_on(self):
+ depends_on_tasks = self.depends_on_tasks or ""
+ for d in self.depends_on:
+ if d.task and not d.task in depends_on_tasks:
+ depends_on_tasks += d.task + ","
+ self.depends_on_tasks = depends_on_tasks
- def on_update(self):
- self.update_nsm_model()
- self.check_recursion()
- self.reschedule_dependent_tasks()
- self.update_project()
- self.unassign_todo()
- self.populate_depends_on()
+ def update_nsm_model(self):
+ frappe.utils.nestedset.update_nsm(self)
- def unassign_todo(self):
- if self.status == "Completed":
- close_all_assignments(self.doctype, self.name)
- if self.status == "Cancelled":
- clear(self.doctype, self.name)
+ def on_update(self):
+ self.update_nsm_model()
+ self.check_recursion()
+ self.reschedule_dependent_tasks()
+ self.update_project()
+ self.unassign_todo()
+ self.populate_depends_on()
- def update_total_expense_claim(self):
- self.total_expense_claim = frappe.db.sql("""select sum(total_sanctioned_amount) from `tabExpense Claim`
- where project = %s and task = %s and docstatus=1""",(self.project, self.name))[0][0]
+ def unassign_todo(self):
+ if self.status == "Completed":
+ close_all_assignments(self.doctype, self.name)
+ if self.status == "Cancelled":
+ clear(self.doctype, self.name)
- def update_time_and_costing(self):
- tl = frappe.db.sql("""select min(from_time) as start_date, max(to_time) as end_date,
- sum(billing_amount) as total_billing_amount, sum(costing_amount) as total_costing_amount,
- sum(hours) as time from `tabTimesheet Detail` where task = %s and docstatus=1"""
- ,self.name, as_dict=1)[0]
- if self.status == "Open":
- self.status = "Working"
- self.total_costing_amount= tl.total_costing_amount
- self.total_billing_amount= tl.total_billing_amount
- self.actual_time= tl.time
- self.act_start_date= tl.start_date
- self.act_end_date= tl.end_date
+ def update_total_expense_claim(self):
+ self.total_expense_claim = frappe.db.sql("""select sum(total_sanctioned_amount) from `tabExpense Claim`
+ where project = %s and task = %s and docstatus=1""",(self.project, self.name))[0][0]
- def update_project(self):
- if self.project and not self.flags.from_project:
- frappe.get_cached_doc("Project", self.project).update_project()
+ def update_time_and_costing(self):
+ tl = frappe.db.sql("""select min(from_time) as start_date, max(to_time) as end_date,
+ sum(billing_amount) as total_billing_amount, sum(costing_amount) as total_costing_amount,
+ sum(hours) as time from `tabTimesheet Detail` where task = %s and docstatus=1"""
+ ,self.name, as_dict=1)[0]
+ if self.status == "Open":
+ self.status = "Working"
+ self.total_costing_amount= tl.total_costing_amount
+ self.total_billing_amount= tl.total_billing_amount
+ self.actual_time= tl.time
+ self.act_start_date= tl.start_date
+ self.act_end_date= tl.end_date
- def check_recursion(self):
- if self.flags.ignore_recursion_check: return
- check_list = [['task', 'parent'], ['parent', 'task']]
- for d in check_list:
- task_list, count = [self.name], 0
- while (len(task_list) > count ):
- tasks = frappe.db.sql(" select %s from `tabTask Depends On` where %s = %s " %
- (d[0], d[1], '%s'), cstr(task_list[count]))
- count = count + 1
- for b in tasks:
- if b[0] == self.name:
- frappe.throw(_("Circular Reference Error"), CircularReferenceError)
- if b[0]:
- task_list.append(b[0])
+ def update_project(self):
+ if self.project and not self.flags.from_project:
+ frappe.get_cached_doc("Project", self.project).update_project()
- if count == 15:
- break
+ def check_recursion(self):
+ if self.flags.ignore_recursion_check: return
+ check_list = [['task', 'parent'], ['parent', 'task']]
+ for d in check_list:
+ task_list, count = [self.name], 0
+ while (len(task_list) > count ):
+ tasks = frappe.db.sql(" select %s from `tabTask Depends On` where %s = %s " %
+ (d[0], d[1], '%s'), cstr(task_list[count]))
+ count = count + 1
+ for b in tasks:
+ if b[0] == self.name:
+ frappe.throw(_("Circular Reference Error"), CircularReferenceError)
+ if b[0]:
+ task_list.append(b[0])
- def reschedule_dependent_tasks(self):
- end_date = self.exp_end_date or self.act_end_date
- if end_date:
- for task_name in frappe.db.sql("""
- select name from `tabTask` as parent
- where parent.project = %(project)s
- and parent.name in (
- select parent from `tabTask Depends On` as child
- where child.task = %(task)s and child.project = %(project)s)
- """, {'project': self.project, 'task':self.name }, as_dict=1):
- task = frappe.get_doc("Task", task_name.name)
- if task.exp_start_date and task.exp_end_date and task.exp_start_date < getdate(end_date) and task.status == "Open":
- task_duration = date_diff(task.exp_end_date, task.exp_start_date)
- task.exp_start_date = add_days(end_date, 1)
- task.exp_end_date = add_days(task.exp_start_date, task_duration)
- task.flags.ignore_recursion_check = True
- task.save()
+ if count == 15:
+ break
- def has_webform_permission(self):
- project_user = frappe.db.get_value("Project User", {"parent": self.project, "user":frappe.session.user} , "user")
- if project_user:
- return True
+ def reschedule_dependent_tasks(self):
+ end_date = self.exp_end_date or self.act_end_date
+ if end_date:
+ for task_name in frappe.db.sql("""
+ select name from `tabTask` as parent
+ where parent.project = %(project)s
+ and parent.name in (
+ select parent from `tabTask Depends On` as child
+ where child.task = %(task)s and child.project = %(project)s)
+ """, {'project': self.project, 'task':self.name }, as_dict=1):
+ task = frappe.get_doc("Task", task_name.name)
+ if task.exp_start_date and task.exp_end_date and task.exp_start_date < getdate(end_date) and task.status == "Open":
+ task_duration = date_diff(task.exp_end_date, task.exp_start_date)
+ task.exp_start_date = add_days(end_date, 1)
+ task.exp_end_date = add_days(task.exp_start_date, task_duration)
+ task.flags.ignore_recursion_check = True
+ task.save()
- def populate_depends_on(self):
- if self.parent_task:
- parent = frappe.get_doc('Task', self.parent_task)
- if not self.name in [row.task for row in parent.depends_on]:
- parent.append("depends_on", {
- "doctype": "Task Depends On",
- "task": self.name,
- "subject": self.subject
- })
- parent.save()
+ def has_webform_permission(self):
+ project_user = frappe.db.get_value("Project User", {"parent": self.project, "user":frappe.session.user} , "user")
+ if project_user:
+ return True
- def on_trash(self):
- if check_if_child_exists(self.name):
- throw(_("Child Task exists for this Task. You can not delete this Task."))
+ def populate_depends_on(self):
+ if self.parent_task:
+ parent = frappe.get_doc('Task', self.parent_task)
+ if not self.name in [row.task for row in parent.depends_on]:
+ parent.append("depends_on", {
+ "doctype": "Task Depends On",
+ "task": self.name,
+ "subject": self.subject
+ })
+ parent.save()
- self.update_nsm_model()
+ def on_trash(self):
+ if check_if_child_exists(self.name):
+ throw(_("Child Task exists for this Task. You can not delete this Task."))
- def after_delete(self):
- self.update_project()
+ self.update_nsm_model()
- def update_status(self):
- if self.status not in ('Cancelled', 'Completed') and self.exp_end_date:
- from datetime import datetime
- if self.exp_end_date < datetime.now().date():
- self.db_set('status', 'Overdue', update_modified=False)
- self.update_project()
+ def after_delete(self):
+ self.update_project()
+
+ def update_status(self):
+ if self.status not in ('Cancelled', 'Completed') and self.exp_end_date:
+ from datetime import datetime
+ if self.exp_end_date < datetime.now().date():
+ self.db_set('status', 'Overdue', update_modified=False)
+ self.update_project()
@frappe.whitelist()
def check_if_child_exists(name):
- child_tasks = frappe.get_all("Task", filters={"parent_task": name})
- child_tasks = [get_link_to_form("Task", task.name) for task in child_tasks]
- return child_tasks
+ child_tasks = frappe.get_all("Task", filters={"parent_task": name})
+ child_tasks = [get_link_to_form("Task", task.name) for task in child_tasks]
+ return child_tasks
@frappe.whitelist()
@frappe.validate_and_sanitize_search_inputs
def get_project(doctype, txt, searchfield, start, page_len, filters):
- from erpnext.controllers.queries import get_match_cond
- return frappe.db.sql(""" select name from `tabProject`
- where %(key)s like %(txt)s
- %(mcond)s
- order by name
- limit %(start)s, %(page_len)s""" % {
- 'key': searchfield,
- 'txt': frappe.db.escape('%' + txt + '%'),
- 'mcond':get_match_cond(doctype),
- 'start': start,
- 'page_len': page_len
- })
+ from erpnext.controllers.queries import get_match_cond
+ return frappe.db.sql(""" select name from `tabProject`
+ where %(key)s like %(txt)s
+ %(mcond)s
+ order by name
+ limit %(start)s, %(page_len)s""" % {
+ 'key': searchfield,
+ 'txt': frappe.db.escape('%' + txt + '%'),
+ 'mcond':get_match_cond(doctype),
+ 'start': start,
+ 'page_len': page_len
+ })
@frappe.whitelist()
def set_multiple_status(names, status):
- names = json.loads(names)
- for name in names:
- task = frappe.get_doc("Task", name)
- task.status = status
- task.save()
+ names = json.loads(names)
+ for name in names:
+ task = frappe.get_doc("Task", name)
+ task.status = status
+ task.save()
def set_tasks_as_overdue():
- tasks = frappe.get_all("Task", filters={"status": ["not in", ["Cancelled", "Completed"]]}, fields=["name", "status", "review_date"])
- for task in tasks:
- if task.status == "Pending Review":
- if getdate(task.review_date) > getdate(today()):
- continue
- frappe.get_doc("Task", task.name).update_status()
+ tasks = frappe.get_all("Task", filters={"status": ["not in", ["Cancelled", "Completed"]]}, fields=["name", "status", "review_date"])
+ for task in tasks:
+ if task.status == "Pending Review":
+ if getdate(task.review_date) > getdate(today()):
+ continue
+ frappe.get_doc("Task", task.name).update_status()
@frappe.whitelist()
def make_timesheet(source_name, target_doc=None, ignore_permissions=False):
- def set_missing_values(source, target):
- target.append("time_logs", {
- "hours": source.actual_time,
- "completed": source.status == "Completed",
- "project": source.project,
- "task": source.name
- })
+ def set_missing_values(source, target):
+ target.append("time_logs", {
+ "hours": source.actual_time,
+ "completed": source.status == "Completed",
+ "project": source.project,
+ "task": source.name
+ })
- doclist = get_mapped_doc("Task", source_name, {
- "Task": {
- "doctype": "Timesheet"
- }
- }, target_doc, postprocess=set_missing_values, ignore_permissions=ignore_permissions)
+ doclist = get_mapped_doc("Task", source_name, {
+ "Task": {
+ "doctype": "Timesheet"
+ }
+ }, target_doc, postprocess=set_missing_values, ignore_permissions=ignore_permissions)
- return doclist
+ return doclist
@frappe.whitelist()
def get_children(doctype, parent, task=None, project=None, is_root=False):
- filters = [['docstatus', '<', '2']]
+ filters = [['docstatus', '<', '2']]
- if task:
- filters.append(['parent_task', '=', task])
- elif parent and not is_root:
- # via expand child
- filters.append(['parent_task', '=', parent])
- else:
- filters.append(['ifnull(`parent_task`, "")', '=', ''])
+ if task:
+ filters.append(['parent_task', '=', task])
+ elif parent and not is_root:
+ # via expand child
+ filters.append(['parent_task', '=', parent])
+ else:
+ filters.append(['ifnull(`parent_task`, "")', '=', ''])
- if project:
- filters.append(['project', '=', project])
+ if project:
+ filters.append(['project', '=', project])
- tasks = frappe.get_list(doctype, fields=[
- 'name as value',
- 'subject as title',
- 'is_group as expandable'
- ], filters=filters, order_by='name')
+ tasks = frappe.get_list(doctype, fields=[
+ 'name as value',
+ 'subject as title',
+ 'is_group as expandable'
+ ], filters=filters, order_by='name')
- # return tasks
- return tasks
+ # return tasks
+ return tasks
@frappe.whitelist()
def add_node():
- from frappe.desk.treeview import make_tree_args
- args = frappe.form_dict
- args.update({
- "name_field": "subject"
- })
- args = make_tree_args(**args)
+ from frappe.desk.treeview import make_tree_args
+ args = frappe.form_dict
+ args.update({
+ "name_field": "subject"
+ })
+ args = make_tree_args(**args)
- if args.parent_task == 'All Tasks' or args.parent_task == args.project:
- args.parent_task = None
+ if args.parent_task == 'All Tasks' or args.parent_task == args.project:
+ args.parent_task = None
- frappe.get_doc(args).insert()
+ frappe.get_doc(args).insert()
@frappe.whitelist()
def add_multiple_tasks(data, parent):
- data = json.loads(data)
- new_doc = {'doctype': 'Task', 'parent_task': parent if parent!="All Tasks" else ""}
- new_doc['project'] = frappe.db.get_value('Task', {"name": parent}, 'project') or ""
+ data = json.loads(data)
+ new_doc = {'doctype': 'Task', 'parent_task': parent if parent!="All Tasks" else ""}
+ new_doc['project'] = frappe.db.get_value('Task', {"name": parent}, 'project') or ""
- for d in data:
- if not d.get("subject"): continue
- new_doc['subject'] = d.get("subject")
- new_task = frappe.get_doc(new_doc)
- new_task.insert()
+ for d in data:
+ if not d.get("subject"): continue
+ new_doc['subject'] = d.get("subject")
+ new_task = frappe.get_doc(new_doc)
+ new_task.insert()
def on_doctype_update():
- frappe.db.add_index("Task", ["lft", "rgt"])
+ frappe.db.add_index("Task", ["lft", "rgt"])
def validate_project_dates(project_end_date, task, task_start, task_end, actual_or_expected_date):
- if task.get(task_start) and date_diff(project_end_date, getdate(task.get(task_start))) < 0:
- frappe.throw(_("Task's {0} Start Date cannot be after Project's End Date.").format(actual_or_expected_date))
+ if task.get(task_start) and date_diff(project_end_date, getdate(task.get(task_start))) < 0:
+ frappe.throw(_("Task's {0} Start Date cannot be after Project's End Date.").format(actual_or_expected_date))
- if task.get(task_end) and date_diff(project_end_date, getdate(task.get(task_end))) < 0:
- frappe.throw(_("Task's {0} End Date cannot be after Project's End Date.").format(actual_or_expected_date))
+ if task.get(task_end) and date_diff(project_end_date, getdate(task.get(task_end))) < 0:
+ frappe.throw(_("Task's {0} End Date cannot be after Project's End Date.").format(actual_or_expected_date))