public async Task <ServiceResponseDto> SubscribeToCollectionAsync(int userId, int collectionId)
{
ServiceResponseDto serviceResponseDto = new ServiceResponseDto();
if (await _collectionSubscriberRepository.ExistsAsync(collSubscriber =>
collSubscriber.CollectionId.Equals(collectionId) && collSubscriber.UserId.Equals(userId)))
{
serviceResponseDto.Message = "User is already subscribed to collection.";
return(serviceResponseDto);
}
CollectionSubscriber collectionSubscriber = new CollectionSubscriber
{
CollectionId = collectionId,
UserId = userId
};
if (await _collectionSubscriberRepository.CreateAsync(collectionSubscriber))
{
serviceResponseDto.Success = true;
serviceResponseDto.Message = "Successfully subscribed to collection.";
}
else
{
serviceResponseDto.Message = "Failed to subscribe to collection.";
}
return(serviceResponseDto);
}
public async Task <ServiceResponseDto> UnSubscribeFromCollectionAsync(int userId, int collectionId)
{
ServiceResponseDto serviceResponseDto = new ServiceResponseDto();
if (!await _collectionSubscriberRepository.ExistsAsync(collSubscriber =>
collSubscriber.CollectionId.Equals(collectionId) && collSubscriber.UserId.Equals(userId)))
{
serviceResponseDto.Message = "User is not subscribed to collection.";
return(serviceResponseDto);
}
CollectionSubscriber collectionSubscriber = await _collectionSubscriberRepository
.FindSingleByExpressionAsync(collectSub => collectSub.CollectionId.Equals(collectionId) && collectSub.UserId.Equals(userId));
if (await _collectionSubscriberRepository.DeleteAsync(collectionSubscriber))
{
serviceResponseDto.Success = true;
serviceResponseDto.Message = "Successfully unsubscribed from collection.";
}
else
{
serviceResponseDto.Message = "Failed to unsubscribe from collection.";
}
return(serviceResponseDto);
}
public async Task <ServiceResponseDto> DeAuthorizeSubscriberFromCollectionAsync(int userId, int collectionId)
{
ServiceResponseDto serviceResponseDto = new ServiceResponseDto();
CollectionSubscriber actualCollectionSubscriber = await _collectionSubscriberRepository
.FindSingleByExpressionAsync(collectionSubscriber =>
collectionSubscriber.CollectionId.Equals(collectionId) &&
collectionSubscriber.UserId.Equals(userId));
actualCollectionSubscriber.IsAuthorized = false;
if (await _collectionSubscriberRepository.UpdateAsync(actualCollectionSubscriber))
{
serviceResponseDto.Success = true;
serviceResponseDto.Message = "Successfully de-authorized user from collection.";
}
else
{
serviceResponseDto.Message = "Failed to de-authorize user from collection.";
}
return(serviceResponseDto);
}
