zulip/zerver/webhooks/taiga/view.py

326 lines
14 KiB
Python

"""Taiga integration for Zulip.
Tips for notification output:
*Text formatting*: if there has been a change of a property, the new
value should always be in bold; otherwise the subject of US/task
should be in bold.
"""
from typing import Any, Dict, List, Mapping, Optional, Tuple
from django.http import HttpRequest, HttpResponse
from zerver.decorator import webhook_view
from zerver.lib.request import REQ, has_request_variables
from zerver.lib.response import json_success
from zerver.lib.webhooks.common import check_send_webhook_message
from zerver.models import UserProfile
@webhook_view('Taiga')
@has_request_variables
def api_taiga_webhook(request: HttpRequest, user_profile: UserProfile,
message: Dict[str, Any]=REQ(argument_type='body')) -> HttpResponse:
parsed_events = parse_message(message)
content_lines = []
for event in parsed_events:
content_lines.append(generate_content(event) + '\n')
content = "".join(sorted(content_lines))
topic = 'General'
if message["data"].get("milestone") is not None:
if message["data"]["milestone"].get("name") is not None:
topic = message["data"]["milestone"]["name"]
check_send_webhook_message(request, user_profile, topic, content)
return json_success()
templates = {
'epic': {
'create': '[{user}]({user_link}) created epic {subject}.',
'set_assigned_to': '[{user}]({user_link}) assigned epic {subject} to {new}.',
'unset_assigned_to': '[{user}]({user_link}) unassigned epic {subject}.',
'changed_assigned_to': '[{user}]({user_link}) reassigned epic {subject}'
' from {old} to {new}.',
'blocked': '[{user}]({user_link}) blocked epic {subject}.',
'unblocked': '[{user}]({user_link}) unblocked epic {subject}.',
'changed_status': '[{user}]({user_link}) changed status of epic {subject}'
' from {old} to {new}.',
'renamed': '[{user}]({user_link}) renamed epic from **{old}** to **{new}**.',
'description_diff': '[{user}]({user_link}) updated description of epic {subject}.',
'commented': '[{user}]({user_link}) commented on epic {subject}.',
'delete': '[{user}]({user_link}) deleted epic {subject}.',
},
'relateduserstory': {
'create': ('[{user}]({user_link}) added a related user story '
'{userstory_subject} to the epic {epic_subject}.'),
'delete': ('[{user}]({user_link}) removed a related user story ' +
'{userstory_subject} from the epic {epic_subject}.'),
},
'userstory': {
'create': '[{user}]({user_link}) created user story {subject}.',
'set_assigned_to': '[{user}]({user_link}) assigned user story {subject} to {new}.',
'unset_assigned_to': '[{user}]({user_link}) unassigned user story {subject}.',
'changed_assigned_to': '[{user}]({user_link}) reassigned user story {subject}'
' from {old} to {new}.',
'points': '[{user}]({user_link}) changed estimation of user story {subject}.',
'blocked': '[{user}]({user_link}) blocked user story {subject}.',
'unblocked': '[{user}]({user_link}) unblocked user story {subject}.',
'set_milestone': '[{user}]({user_link}) added user story {subject} to sprint {new}.',
'unset_milestone': '[{user}]({user_link}) removed user story {subject} from sprint {old}.',
'changed_milestone': '[{user}]({user_link}) changed sprint of user story {subject} from {old}'
' to {new}.',
'changed_status': '[{user}]({user_link}) changed status of user story {subject}'
' from {old} to {new}.',
'closed': '[{user}]({user_link}) closed user story {subject}.',
'reopened': '[{user}]({user_link}) reopened user story {subject}.',
'renamed': '[{user}]({user_link}) renamed user story from {old} to **{new}**.',
'description_diff': '[{user}]({user_link}) updated description of user story {subject}.',
'commented': '[{user}]({user_link}) commented on user story {subject}.',
'delete': '[{user}]({user_link}) deleted user story {subject}.',
'due_date': '[{user}]({user_link}) changed due date of user story {subject}'
' from {old} to {new}.',
'set_due_date': '[{user}]({user_link}) set due date of user story {subject}'
' to {new}.',
},
'milestone': {
'create': '[{user}]({user_link}) created sprint {subject}.',
'renamed': '[{user}]({user_link}) renamed sprint from {old} to **{new}**.',
'estimated_start': '[{user}]({user_link}) changed estimated start of sprint {subject}'
' from {old} to {new}.',
'estimated_finish': '[{user}]({user_link}) changed estimated finish of sprint {subject}'
' from {old} to {new}.',
'set_estimated_start': '[{user}]({user_link}) changed estimated start of sprint {subject}'
' to {new}.',
'set_estimated_finish': '[{user}]({user_link}) set estimated finish of sprint {subject}'
' to {new}.',
'delete': '[{user}]({user_link}) deleted sprint {subject}.',
},
'task': {
'create': '[{user}]({user_link}) created task {subject}.',
'set_assigned_to': '[{user}]({user_link}) assigned task {subject} to {new}.',
'unset_assigned_to': '[{user}]({user_link}) unassigned task {subject}.',
'changed_assigned_to': '[{user}]({user_link}) reassigned task {subject}'
' from {old} to {new}.',
'blocked': '[{user}]({user_link}) blocked task {subject}.',
'unblocked': '[{user}]({user_link}) unblocked task {subject}.',
'changed_status': '[{user}]({user_link}) changed status of task {subject}'
' from {old} to {new}.',
'renamed': '[{user}]({user_link}) renamed task {old} to **{new}**.',
'description_diff': '[{user}]({user_link}) updated description of task {subject}.',
'set_milestone': '[{user}]({user_link}) added task {subject} to sprint {new}.',
'commented': '[{user}]({user_link}) commented on task {subject}.',
'delete': '[{user}]({user_link}) deleted task {subject}.',
'changed_us': '[{user}]({user_link}) moved task {subject} from user story {old} to {new}.',
'due_date': '[{user}]({user_link}) changed due date of task {subject}'
' from {old} to {new}.',
'set_due_date': '[{user}]({user_link}) set due date of task {subject}'
' to {new}.',
},
'issue': {
'create': '[{user}]({user_link}) created issue {subject}.',
'set_assigned_to': '[{user}]({user_link}) assigned issue {subject} to {new}.',
'unset_assigned_to': '[{user}]({user_link}) unassigned issue {subject}.',
'changed_assigned_to': '[{user}]({user_link}) reassigned issue {subject}'
' from {old} to {new}.',
'set_milestone': '[{user}]({user_link}) added issue {subject} to sprint {new}.',
'unset_milestone': '[{user}]({user_link}) detached issue {subject} from sprint {old}.',
'changed_priority': '[{user}]({user_link}) changed priority of issue '
'{subject} from {old} to {new}.',
'changed_severity': '[{user}]({user_link}) changed severity of issue '
'{subject} from {old} to {new}.',
'changed_status': '[{user}]({user_link}) changed status of issue {subject}'
' from {old} to {new}.',
'changed_type': '[{user}]({user_link}) changed type of issue {subject} from {old} to {new}.',
'renamed': '[{user}]({user_link}) renamed issue {old} to **{new}**.',
'description_diff': '[{user}]({user_link}) updated description of issue {subject}.',
'commented': '[{user}]({user_link}) commented on issue {subject}.',
'delete': '[{user}]({user_link}) deleted issue {subject}.',
'due_date': '[{user}]({user_link}) changed due date of issue {subject}'
' from {old} to {new}.',
'set_due_date': '[{user}]({user_link}) set due date of issue {subject}'
' to {new}.',
'blocked': '[{user}]({user_link}) blocked issue {subject}.',
'unblocked': '[{user}]({user_link}) unblocked issue {subject}.',
},
'webhook_test': {
'test': '[{user}]({user_link}) triggered a test of the Taiga integration.',
},
}
return_type = Tuple[Optional[Dict[str, Any]], Optional[Dict[str, Any]]]
def get_old_and_new_values(change_type: str,
message: Mapping[str, Any]) -> return_type:
""" Parses the payload and finds previous and current value of change_type."""
old = message["change"]["diff"][change_type].get("from")
new = message["change"]["diff"][change_type].get("to")
return old, new
def parse_comment(message: Mapping[str, Any]) -> Dict[str, Any]:
""" Parses the comment to issue, task or US. """
return {
'event': 'commented',
'type': message["type"],
'values': {
'user': get_owner_name(message),
'user_link': get_owner_link(message),
'subject': get_subject(message),
},
}
def parse_create_or_delete(message: Mapping[str, Any]) -> Dict[str, Any]:
""" Parses create or delete event. """
if message["type"] == 'relateduserstory':
return {
'type': message["type"],
'event': message["action"],
'values': {
'user': get_owner_name(message),
'user_link': get_owner_link(message),
'epic_subject': get_epic_subject(message),
'userstory_subject': get_userstory_subject(message),
},
}
return {
'type': message["type"],
'event': message["action"],
'values': {
'user': get_owner_name(message),
'user_link': get_owner_link(message),
'subject': get_subject(message),
},
}
def parse_change_event(change_type: str, message: Mapping[str, Any]) -> Optional[Dict[str, Any]]:
""" Parses change event. """
evt: Dict[str, Any] = {}
values: Dict[str, Any] = {
'user': get_owner_name(message),
'user_link': get_owner_link(message),
'subject': get_subject(message),
}
if change_type in ["description_diff", "points"]:
event_type = change_type
elif change_type in ["milestone", "assigned_to"]:
old, new = get_old_and_new_values(change_type, message)
if not old:
event_type = "set_" + change_type
values["new"] = new
elif not new:
event_type = "unset_" + change_type
values["old"] = old
else:
event_type = "changed_" + change_type
values.update(old=old, new=new)
elif change_type == "is_blocked":
if message["change"]["diff"]["is_blocked"]["to"]:
event_type = "blocked"
else:
event_type = "unblocked"
elif change_type == "is_closed":
if message["change"]["diff"]["is_closed"]["to"]:
event_type = "closed"
else:
event_type = "reopened"
elif change_type == "user_story":
old, new = get_old_and_new_values(change_type, message)
event_type = "changed_us"
values.update(old=old, new=new)
elif change_type in ["subject", 'name']:
event_type = 'renamed'
old, new = get_old_and_new_values(change_type, message)
values.update(old=old, new=new)
elif change_type in ["estimated_finish", "estimated_start", "due_date"]:
old, new = get_old_and_new_values(change_type, message)
if not old:
event_type = "set_" + change_type
values["new"] = new
elif not old == new:
event_type = change_type
values.update(old=old, new=new)
else:
# date hasn't changed
return None
elif change_type in ["priority", "severity", "type", "status"]:
event_type = 'changed_' + change_type
old, new = get_old_and_new_values(change_type, message)
values.update(old=old, new=new)
else:
# we are not supporting this type of event
return None
evt.update(type=message["type"], event=event_type, values=values)
return evt
def parse_webhook_test(message: Mapping[str, Any]) -> Dict[str, Any]:
return {
"type": "webhook_test",
"event": "test",
"values": {
"user": get_owner_name(message),
"user_link": get_owner_link(message),
"end_type": "test",
},
}
def parse_message(message: Mapping[str, Any]) -> List[Dict[str, Any]]:
""" Parses the payload by delegating to specialized functions. """
events = []
if message["action"] in ['create', 'delete']:
events.append(parse_create_or_delete(message))
elif message["action"] == 'change':
if message["change"]["diff"]:
for value in message["change"]["diff"]:
parsed_event = parse_change_event(value, message)
if parsed_event:
events.append(parsed_event)
if message["change"]["comment"]:
events.append(parse_comment(message))
elif message["action"] == "test":
events.append(parse_webhook_test(message))
return events
def generate_content(data: Mapping[str, Any]) -> str:
""" Gets the template string and formats it with parsed data. """
template = templates[data['type']][data['event']]
content = template.format(**data['values'])
return content
def get_owner_name(message: Mapping[str, Any]) -> str:
return message["by"]["full_name"]
def get_owner_link(message: Mapping[str, Any]) -> str:
return message['by']['permalink']
def get_subject(message: Mapping[str, Any]) -> str:
data = message["data"]
if 'permalink' in data:
return '[' + data.get('subject', data.get('name')) + ']' + '(' + data['permalink'] + ')'
return '**' + data.get('subject', data.get('name')) + '**'
def get_epic_subject(message: Mapping[str, Any]) -> str:
if 'permalink' in message['data']['epic']:
return ('[' + message['data']['epic']['subject'] + ']' +
'(' + message['data']['epic']['permalink'] + ')')
return '**' + message['data']['epic']['subject'] + '**'
def get_userstory_subject(message: Mapping[str, Any]) -> str:
if 'permalink' in message['data']['user_story']:
us_data = message['data']['user_story']
return '[' + us_data['subject'] + ']' + '(' + us_data['permalink'] + ')'
return '**' + message['data']['user_story']['subject'] + '**'