zulip/zerver/webhooks/taiga/view.py

346 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"] + "**"