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102 lines
3.9 KiB
Python
102 lines
3.9 KiB
Python
from typing import Any, Dict, Mapping, MutableMapping, Optional, Text, Tuple
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from .exceptions import UnknownUpdateBoardAction
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SUPPORTED_BOARD_ACTIONS = [
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u'removeMemberFromBoard',
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u'addMemberToBoard',
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u'createList',
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u'updateBoard',
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]
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REMOVE_MEMBER = u'removeMemberFromBoard'
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ADD_MEMBER = u'addMemberToBoard'
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CREATE_LIST = u'createList'
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CHANGE_NAME = u'changeName'
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TRELLO_BOARD_URL_TEMPLATE = u'[{board_name}]({board_url})'
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ACTIONS_TO_MESSAGE_MAPPER = {
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REMOVE_MEMBER: u'removed {member_name} from {board_url_template}.',
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ADD_MEMBER: u'added {member_name} to {board_url_template}.',
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CREATE_LIST: u'added {list_name} list to {board_url_template}.',
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CHANGE_NAME: u'renamed the board from {old_name} to {board_url_template}.'
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}
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def process_board_action(payload: Mapping[str, Any],
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action_type: Optional[Text]) -> Optional[Tuple[Text, Text]]:
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action_type = get_proper_action(payload, action_type)
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if action_type is not None:
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return get_subject(payload), get_body(payload, action_type)
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return None
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def get_proper_action(payload: Mapping[str, Any], action_type: Optional[Text]) -> Optional[Text]:
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if action_type == 'updateBoard':
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data = get_action_data(payload)
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# we don't support events for when a board's background
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# is changed
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if data['old'].get('prefs', {}).get('background') is not None:
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return None
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elif data['old']['name']:
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return CHANGE_NAME
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raise UnknownUpdateBoardAction()
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return action_type
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def get_subject(payload: Mapping[str, Any]) -> Text:
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return get_action_data(payload)['board']['name']
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def get_body(payload: Mapping[str, Any], action_type: Text) -> Text:
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message_body = ACTIONS_TO_FILL_BODY_MAPPER[action_type](payload, action_type)
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creator = payload['action']['memberCreator']['fullName']
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return u'{full_name} {rest}'.format(full_name=creator, rest=message_body)
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def get_managed_member_body(payload: Mapping[str, Any], action_type: Text) -> Text:
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data = {
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'member_name': payload['action']['member']['fullName'],
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}
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return fill_appropriate_message_content(payload, action_type, data)
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def get_create_list_body(payload: Mapping[str, Any], action_type: Text) -> Text:
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data = {
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'list_name': get_action_data(payload)['list']['name'],
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}
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return fill_appropriate_message_content(payload, action_type, data)
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def get_change_name_body(payload: Mapping[str, Any], action_type: Text) -> Text:
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data = {
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'old_name': get_action_data(payload)['old']['name']
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}
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return fill_appropriate_message_content(payload, action_type, data)
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def fill_appropriate_message_content(payload: Mapping[str, Any],
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action_type: Text,
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data: Optional[Dict[str, Any]]=None) -> Text:
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data = {} if data is None else data
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data['board_url_template'] = data.get('board_url_template', get_filled_board_url_template(payload))
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message_body = get_message_body(action_type)
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return message_body.format(**data)
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def get_filled_board_url_template(payload: Mapping[str, Any]) -> Text:
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return TRELLO_BOARD_URL_TEMPLATE.format(board_name=get_board_name(payload),
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board_url=get_board_url(payload))
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def get_board_name(payload: Mapping[str, Any]) -> Text:
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return get_action_data(payload)['board']['name']
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def get_board_url(payload: Mapping[str, Any]) -> Text:
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return u'https://trello.com/b/{}'.format(get_action_data(payload)['board']['shortLink'])
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def get_message_body(action_type: Text) -> Text:
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return ACTIONS_TO_MESSAGE_MAPPER[action_type]
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def get_action_data(payload: Mapping[str, Any]) -> Mapping[str, Any]:
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return payload['action']['data']
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ACTIONS_TO_FILL_BODY_MAPPER = {
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REMOVE_MEMBER: get_managed_member_body,
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ADD_MEMBER: get_managed_member_body,
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CREATE_LIST: get_create_list_body,
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CHANGE_NAME: get_change_name_body
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}
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