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from rest_framework.permissions import SAFE_METHODS, IsAuthenticated |
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from goals.models import BoardParticipant, Category, Board, Goal, Comment |
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class BoardPermissions(IsAuthenticated): |
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"""Определяет доступ к запросу на эндпоинт /goals/board{/<id>}. |
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- просмотр: авторизованные пользователи, добавленные в список участников |
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- редактирование: только владелец |
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""" |
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message = 'Delete or edit boards can owners only.' |
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def has_object_permission(self, request, view, obj: Board) -> bool: |
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_filters: dict = {'user_id': request.user.id} |
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if request.method not in SAFE_METHODS: |
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_filters['role'] = BoardParticipant.Role.owner |
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return obj.participants.filter(**_filters).exists() |
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class IsOwnerOrWriter(IsAuthenticated): |
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"""Определяет доступ на редактирование объекта |
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- просмотр: все авторизованные пользователи |
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- редактирование: только владелец или редактор |
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""" |
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message = 'Delete or edit object can owners or writers only.' |
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board = None |
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def has_object_permission(self, request, view, obj) -> bool: |
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_filters: dict = {'user_id': request.user.id} |
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if isinstance(obj, Category): |
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self.board = obj.board |
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elif isinstance(obj, Goal): |
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self.board = obj.category.board |
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elif isinstance(obj, Comment): |
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self.board = obj.goal.category.board |
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else: |
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return False |
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if request.method not in SAFE_METHODS: |
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_filters['role__in'] = (BoardParticipant.Role.owner, BoardParticipant.Role.writer,) |
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return self.board.participants.filter(**_filters).exists() |
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class IsCommentOwner(IsAuthenticated): |
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"""Определяет доступ на редактирование комментария |
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- просмотр: все авторизованные пользователи |
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- редактирование: только автор |
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""" |
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message = 'Delete or edit comments can owners only.' |
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def has_object_permission(self, request, view, obj: Comment) -> bool: |
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return any(( |
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request.method in SAFE_METHODS, |
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obj.user.id == request.user.id |
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)) |
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altec3 /
Thesis_project
