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importer.py
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importer.py
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# -*- coding: utf-8 -*-
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# Copyright (c) 2021-present Kaleidos INC
from django.utils.translation import gettext as _
from requests_oauthlib import OAuth1Session, OAuth1
from django.conf import settings
from django.core.files.base import ContentFile
from django.contrib.contenttypes.models import ContentType
import requests
import webcolors
from django.template.defaultfilters import slugify
from taiga.base import exceptions as exc
from taiga.projects.services import projects as projects_service
from taiga.projects.models import Project, ProjectTemplate
from taiga.projects.userstories.models import UserStory
from taiga.projects.tasks.models import Task
from taiga.projects.attachments.models import Attachment
from taiga.projects.history.services import (make_diff_from_dicts,
make_diff_values,
make_key_from_model_object,
get_typename_for_model_class,
FrozenDiff)
from taiga.projects.history.models import HistoryEntry
from taiga.projects.history.choices import HistoryType
from taiga.projects.custom_attributes.models import UserStoryCustomAttribute
from taiga.mdrender.service import render as mdrender
from taiga.timeline.rebuilder import rebuild_timeline
from taiga.timeline.models import Timeline
from taiga.front.templatetags.functions import resolve as resolve_front_url
from taiga.importers import services as import_service
from taiga.base import exceptions
class TrelloClient:
def __init__(self, api_key, api_secret, token):
self.api_key = api_key
self.api_secret = api_secret
self.token = token
if self.token:
self.oauth = OAuth1(
client_key=self.api_key,
client_secret=self.api_secret,
resource_owner_key=self.token
)
else:
self.oauth = None
def _validate_response(self, response):
if response.status_code == 400:
raise exc.WrongArguments(_("Invalid Request: %(text)s at %(url)s") % ({"text": response.text, "url": response.url}))
if response.status_code == 401:
raise exc.AuthenticationFailed(_("Unauthorized: %(text)s at %(url)s") % ({"text": response.text, "url": response.url}))
if response.status_code == 403:
raise exc.PermissionDenied(_("Unauthorized: %(text)s at %(url)s") % ({"text": response.text, "url": response.url}))
if response.status_code == 404:
raise exc.NotFound(_("Resource Unavailable: %(text)s at %(url)s") % ({"text": response.text, "url": response.url}))
if response.status_code != 200:
raise exc.WrongArguments(_("Resource Unavailable: %(text)s at %(url)s") % ({"text": response.text, "url": response.url}))
def get(self, uri_path, query_params=None):
headers = {'Accept': 'application/json'}
if query_params is None:
query_params = {}
if uri_path[0] == '/':
uri_path = uri_path[1:]
url = 'https://api.trello.com/1/%s' % uri_path
response = requests.get(url, params=query_params, headers=headers, auth=self.oauth)
self._validate_response(response)
return response.json()
def download(self, url):
response = requests.get(url, auth=self.oauth)
self._validate_response(response)
return response.content
class TrelloImporter:
def __init__(self, user, token):
self._user = user
self._cached_orgs = {}
self._client = TrelloClient(
api_key=settings.IMPORTERS.get('trello', {}).get('api_key', None),
api_secret=settings.IMPORTERS.get('trello', {}).get('secret_key', None),
token=token,
)
def list_projects(self):
projects_data = self._client.get("/members/me/boards", {
"fields": "id,name,desc,prefs,idOrganization",
"organization": "true",
"organization_fields": "prefs",
})
projects = []
for project in projects_data:
is_private = False
if project['prefs']['permissionLevel'] == "private":
is_private = True
if project['prefs']['permissionLevel'] == "org":
if 'organization' not in project:
is_private = True
elif 'prefs' not in project['organization']:
is_private = True
elif project['organization']['prefs']['permissionLevel'] == "private":
is_private = True
projects.append({
"id": project['id'],
"name": project['name'],
"description": project['desc'],
"is_private": is_private,
})
return projects
def list_users(self, project_id):
members = []
for member in self._client.get("/board/{}/members/all".format(project_id), {"fields": "id"}):
user = self._client.get("/member/{}".format(member['id']), {"fields": "id,fullName,email,avatarSource,avatarHash,gravatarHash"})
avatar = None
try:
if user['avatarSource'] == "gravatar" and user['gravatarHash']:
avatar = 'https://www.gravatar.com/avatar/' + user['gravatarHash'] + '.jpg?s=50'
elif user['avatarHash'] is not None:
avatar = 'https://trello-members.s3.amazonaws.com/' + user['id'] + '/' + user['avatarHash'] + '/50.png'
except:
# NOTE: Sometimes this piece of code return this exception:
#
# File "/home/taiga/taiga-back/taiga/importers/trello/importer.py" in list_users
# 135. avatar = 'https://trello-members.s3.amazonaws.com/' + user['id'] + '/' + user['avatarHash'] + '/50.png'
#
# Exception Type: TypeError at /api/v1/importers/trello/list_users
# Exception Value: Can't convert 'NoneType' object to str implicitly
pass
members.append({
"id": user['id'],
"full_name": user['fullName'],
"email": user['email'],
"avatar": avatar
})
return members
def import_project(self, project_id, options):
data = self._client.get(
"/board/{}".format(project_id),
{
"fields": "name,desc",
"cards": "all",
"card_fields": "closed,labels,idList,desc,due,name,pos,dateLastActivity,idChecklists,idMembers,url",
"card_attachments": "true",
"labels": "all",
"labels_limit": "1000",
"lists": "all",
"list_fields": "closed,name,pos",
"members": "none",
"checklists": "all",
"checklist_fields": "name",
"organization": "true",
"organization_fields": "logoHash",
}
)
project = self._import_project_data(data, options)
self._import_user_stories_data(data, project, options)
self._cleanup(project, options)
Timeline.objects.filter(project=project).delete()
rebuild_timeline(None, None, project.id)
return project
def _import_project_data(self, data, options):
board = data
labels = board['labels']
statuses = board['lists']
project_template = ProjectTemplate.objects.get(slug=options.get('template', "kanban"))
project_template.us_statuses = []
counter = 0
for us_status in statuses:
if counter == 0:
project_template.default_options["us_status"] = us_status['name']
counter += 1
if us_status['name'] not in [s['name'] for s in project_template.us_statuses]:
project_template.us_statuses.append({
"name": us_status['name'],
"slug": slugify(us_status['name']),
"is_closed": False,
"is_archived": True if us_status['closed'] else False,
"color": "#999999",
"wip_limit": None,
"order": us_status['pos'],
})
project_template.task_statuses = []
project_template.task_statuses.append({
"name": "Incomplete",
"slug": "incomplete",
"is_closed": False,
"color": "#ff8a84",
"order": 1,
})
project_template.task_statuses.append({
"name": "Complete",
"slug": "complete",
"is_closed": True,
"color": "#669900",
"order": 2,
})
project_template.default_options["task_status"] = "Incomplete"
project_template.roles.append({
"name": "Trello",
"slug": "trello",
"computable": False,
"permissions": project_template.roles[0]['permissions'],
"order": 70,
})
tags_colors = []
for label in labels:
name = label['name']
if not name:
name = label['color']
name = name.lower()
color = self._ensure_hex_color(label['color'])
tags_colors.append([name, color])
project = Project(
name=options.get('name', None) or board['name'],
description=options.get('description', None) or board['desc'],
owner=self._user,
tags_colors=tags_colors,
creation_template=project_template,
is_private=options.get('is_private', False),
)
(can_create, error_message, total_members) = projects_service.check_if_project_can_be_created_or_updated(project)
if not can_create:
raise exceptions.NotEnoughSlotsForProject(project.is_private, total_members or 1, error_message)
project.save()
if board.get('organization', None):
trello_avatar_template = "https://trello-logos.s3.amazonaws.com/{}/170.png"
project_logo_url = trello_avatar_template.format(board['organization']['logoHash'])
data = requests.get(project_logo_url)
project.logo.save("logo.png", ContentFile(data.content), save=True)
UserStoryCustomAttribute.objects.create(
name="Due",
description="Due date",
type="date",
order=1,
project=project
)
import_service.create_memberships(options.get('users_bindings', {}), project, self._user, "trello")
import_service.set_base_permissions_for_project(project)
return project
def _import_user_stories_data(self, data, project, options):
users_bindings = options.get('users_bindings', {})
statuses = {s['id']: s for s in data['lists']}
cards = data['cards']
due_date_field = project.userstorycustomattributes.first()
for card in cards:
if card['closed'] and not options.get("import_closed_data", False):
continue
if statuses[card['idList']]['closed'] and not options.get("import_closed_data", False):
continue
tags = []
for tag in card['labels']:
name = tag['name']
if not name:
name = tag['color']
name = name.lower()
tags.append(name)
assigned_to = None
if len(card['idMembers']) > 0:
assigned_to = users_bindings.get(card['idMembers'][0], None)
external_reference = None
if options.get('keep_external_reference', False):
external_reference = ["trello", card['url']]
us = UserStory.objects.create(
project=project,
owner=self._user,
assigned_to=assigned_to,
status=project.us_statuses.get(name=statuses[card['idList']]['name']),
kanban_order=card['pos'],
sprint_order=card['pos'],
backlog_order=card['pos'],
subject=card['name'],
description=card['desc'],
tags=tags,
external_reference=external_reference
)
if len(card['idMembers']) > 1:
for watcher in card['idMembers'][1:]:
watcher_user = users_bindings.get(watcher, None)
if watcher_user:
us.add_watcher(watcher_user)
if card['due']:
us.custom_attributes_values.attributes_values = {due_date_field.id: card['due']}
us.custom_attributes_values.save()
UserStory.objects.filter(id=us.id).update(
modified_date=card['dateLastActivity'],
created_date=card['dateLastActivity']
)
self._import_attachments(us, card, options)
self._import_tasks(data, us, card)
self._import_actions(us, card, statuses, options)
def _import_tasks(self, data, us, card):
checklists_by_id = {c['id']: c for c in data['checklists']}
for checklist_id in card['idChecklists']:
for item in checklists_by_id.get(checklist_id, {}).get('checkItems', []):
Task.objects.create(
subject=item['name'],
status=us.project.task_statuses.get(slug=item['state']),
project=us.project,
user_story=us
)
def _import_attachments(self, us, card, options):
users_bindings = options.get('users_bindings', {})
for attachment in card['attachments']:
if attachment['bytes'] is None:
continue
data = self._client.download(attachment['url'])
att = Attachment(
owner=users_bindings.get(attachment['idMember'], self._user) or self._user,
project=us.project,
content_type=ContentType.objects.get_for_model(UserStory),
object_id=us.id,
name=attachment['name'],
size=attachment['bytes'],
created_date=attachment['date'],
is_deprecated=False,
)
file_name = attachment['name'][:-1] if attachment['name'].endswith('/') else attachment['name']
att.attached_file.save(file_name, ContentFile(data), save=True)
UserStory.objects.filter(id=us.id, created_date__gt=attachment['date']).update(
created_date=attachment['date']
)
def _import_actions(self, us, card, statuses, options):
included_actions = [
"addAttachmentToCard", "addMemberToCard", "commentCard",
"convertToCardFromCheckItem", "copyCommentCard", "createCard",
"deleteAttachmentFromCard", "deleteCard", "removeMemberFromCard",
"updateCard",
]
actions = self._client.get(
"/card/{}/actions".format(card['id']),
{
"filter": ",".join(included_actions),
"limit": "1000",
"memberCreator": "true",
"memberCreator_fields": "fullName",
}
)
while actions:
for action in actions:
self._import_action(us, action, statuses, options)
actions = self._client.get(
"/card/{}/actions".format(card['id']),
{
"filter": ",".join(included_actions),
"limit": "1000",
"since": "lastView",
"before": action['date'],
"memberCreator": "true",
"memberCreator_fields": "fullName",
}
)
def _import_action(self, us, action, statuses, options):
key = make_key_from_model_object(us)
typename = get_typename_for_model_class(UserStory)
action_data = self._transform_action_data(us, action, statuses, options)
if action_data is None:
return
change_old = action_data['change_old']
change_new = action_data['change_new']
hist_type = action_data['hist_type']
comment = action_data['comment']
user = action_data['user']
diff = make_diff_from_dicts(change_old, change_new)
fdiff = FrozenDiff(key, diff, {})
entry = HistoryEntry.objects.create(
user=user,
project_id=us.project.id,
key=key,
type=hist_type,
snapshot=None,
diff=fdiff.diff,
values=make_diff_values(typename, fdiff),
comment=comment,
comment_html=mdrender(us.project, comment),
is_hidden=False,
is_snapshot=False,
)
HistoryEntry.objects.filter(id=entry.id).update(created_at=action['date'])
return HistoryEntry.objects.get(id=entry.id)
def _transform_action_data(self, us, action, statuses, options):
users_bindings = options.get('users_bindings', {})
due_date_field = us.project.userstorycustomattributes.first()
ignored_actions = ["addAttachmentToCard", "addMemberToCard",
"deleteAttachmentFromCard", "deleteCard",
"removeMemberFromCard"]
if action['type'] in ignored_actions:
return None
user = {"pk": None, "name": action.get('memberCreator', {}).get('fullName', None)}
taiga_user = users_bindings.get(action.get('memberCreator', {}).get('id', None), None)
if taiga_user:
user = {"pk": taiga_user.id, "name": taiga_user.get_full_name()}
result = {
"change_old": {},
"change_new": {},
"hist_type": HistoryType.change,
"comment": "",
"user": user
}
if action['type'] == "commentCard":
result['comment'] = str(action['data']['text'])
elif action['type'] == "convertToCardFromCheckItem":
UserStory.objects.filter(id=us.id, created_date__gt=action['date']).update(
created_date=action['date'],
owner=users_bindings.get(action["idMemberCreator"], self._user) or self._user
)
result['hist_type'] = HistoryType.create
elif action['type'] == "copyCommentCard":
UserStory.objects.filter(id=us.id, created_date__gt=action['date']).update(
created_date=action['date'],
owner=users_bindings.get(action["idMemberCreator"], self._user) or self._user
)
result['hist_type'] = HistoryType.create
elif action['type'] == "createCard":
UserStory.objects.filter(id=us.id, created_date__gt=action['date']).update(
created_date=action['date'],
owner=users_bindings.get(action["idMemberCreator"], self._user) or self._user
)
result['hist_type'] = HistoryType.create
elif action['type'] == "updateCard":
if 'desc' in action['data']['old']:
result['change_old']["description"] = str(action['data']['old'].get('desc', ''))
result['change_new']["description"] = str(action['data']['card'].get('desc', ''))
result['change_old']["description_html"] = mdrender(us.project, str(action['data']['old'].get('desc', '')))
result['change_new']["description_html"] = mdrender(us.project, str(action['data']['card'].get('desc', '')))
if (
'idList' in action['data']['old']
and action["data"]["old"]["idList"] in statuses
and action["data"]["card"]["idList"] in statuses
):
old_status_name = statuses[action['data']['old']['idList']]['name']
result['change_old']["status"] = us.project.us_statuses.get(name=old_status_name).id
new_status_name = statuses[action['data']['card']['idList']]['name']
result['change_new']["status"] = us.project.us_statuses.get(name=new_status_name).id
if 'name' in action['data']['old']:
result['change_old']["subject"] = action['data']['old']['name']
result['change_new']["subject"] = action['data']['card']['name']
if 'due' in action['data']['old']:
result['change_old']["custom_attributes"] = [{
"name": "Due",
"value": action['data']['old']['due'],
"id": due_date_field.id
}]
result['change_new']["custom_attributes"] = [{
"name": "Due",
"value": action['data']['card']['due'],
"id": due_date_field.id
}]
if result['change_old'] == {}:
return None
return result
@classmethod
def get_auth_url(cls):
request_token_url = 'https://trello.com/1/OAuthGetRequestToken'
authorize_url = 'https://trello.com/1/OAuthAuthorizeToken'
return_url = resolve_front_url("new-project-import", "trello")
expiration = "1day"
scope = "read,account"
trello_key = settings.IMPORTERS.get('trello', {}).get('api_key', None)
trello_secret = settings.IMPORTERS.get('trello', {}).get('secret_key', None)
name = "Taiga"
session = OAuth1Session(client_key=trello_key, client_secret=trello_secret)
response = session.fetch_request_token(request_token_url)
oauth_token, oauth_token_secret = response.get('oauth_token'), response.get('oauth_token_secret')
return (
oauth_token,
oauth_token_secret,
"{authorize_url}?oauth_token={oauth_token}&scope={scope}&expiration={expiration}&name={name}&return_url={return_url}".format(
authorize_url=authorize_url,
oauth_token=oauth_token,
expiration=expiration,
scope=scope,
name=name,
return_url=return_url,
)
)
@classmethod
def get_access_token(cls, oauth_token, oauth_token_secret, oauth_verifier):
api_key = settings.IMPORTERS.get('trello', {}).get('api_key', None)
api_secret = settings.IMPORTERS.get('trello', {}).get('secret_key', None)
access_token_url = 'https://trello.com/1/OAuthGetAccessToken'
session = OAuth1Session(client_key=api_key, client_secret=api_secret,
resource_owner_key=oauth_token, resource_owner_secret=oauth_token_secret,
verifier=oauth_verifier)
access_token = session.fetch_access_token(access_token_url)
return access_token
def _ensure_hex_color(self, color):
if color is None:
return None
try:
return webcolors.name_to_hex(color)
except ValueError:
return color
def _cleanup(self, project, options):
if not options.get("import_closed_data", False):
project.us_statuses.filter(is_archived=True).delete()