async def get_profile_by_username(
self, *, username: str,
requested_user: Optional[UserLike]) -> Profile:
user = await self._users_repo.get_user_by_username(username=username)
profile = Profile(username=user.username,
bio=user.bio,
image=user.image)
if requested_user:
profile.following = await self.is_user_following_for_another_user(
target_user=user, requested_user=requested_user)
return profile
async def follow_for_user(
profile: Profile = Depends(get_profile_by_username_from_path),
user: User = Depends(get_current_user_authorizer()),
profiles_repo: ProfilesRepository = Depends(
get_repository(ProfilesRepository)),
) -> ProfileInResponse:
if user.username == profile.username:
raise HTTPException(status_code=HTTP_400_BAD_REQUEST,
detail=strings.UNABLE_TO_FOLLOW_YOURSELF)
if profile.following:
raise HTTPException(status_code=HTTP_400_BAD_REQUEST,
detail=strings.USER_IS_ALREADY_FOLLOWED)
await profiles_repo.add_user_into_followers(target_user=profile,
requested_user=user)
return ProfileInResponse(profile=profile.copy(update={"following": True}))
async def unsubscribe_from_user(
profile: Profile = Depends(get_profile_by_username_from_path),
user: User = Depends(get_current_user_authorizer()),
profiles_repo: ProfilesRepository = Depends(
get_repository(ProfilesRepository)),
) -> ProfileInResponse:
if user.username == profile.username:
raise HTTPException(
status_code=HTTP_400_BAD_REQUEST,
detail=strings.UNABLE_TO_UNSUBSCRIBE_FROM_YOURSELF,
)
if not profile.following:
raise HTTPException(status_code=HTTP_400_BAD_REQUEST,
detail=strings.USER_IS_NOT_FOLLOWED)
await profiles_repo.remove_user_from_followers(target_user=profile,
requested_user=user)
return ProfileInResponse(profile=profile.copy(update={"following": False}))