public Review DeleteReview(int userId, int publicationId)
{
// Validate that given user has reviewed given publication
var review = _armDbContext.Reviews.FirstOrDefault(f => f.FriendId == userId && f.PublicationId == publicationId);
if (review == null)
{
throw new ResourceNotFoundException($"Review from user with id: {userId} on publication with id: {publicationId} was not found");
}
_armDbContext.Remove(review);
_armDbContext.UpdateRatingForPublication(publicationId);
_armDbContext.SaveChanges();
return(review);
}
public Publication DeletePublicationById(int publicationId)
{
// Validate that given publication exists
var publication = _armDbContext.Publications.FirstOrDefault(p => p.Id == publicationId);
if (publication == null)
{
throw new ResourceNotFoundException($"Publication with id: {publicationId} was not found");
}
_armDbContext.Remove(publication);
_armDbContext.SaveChanges();
return(publication);
}
public Friend DeleteFriendById(int userId)
{
// Validate that given user exists
var friend = _armDbContext.Friends.FirstOrDefault(f => f.Id == userId);
if (friend == null)
{
throw new ResourceNotFoundException($"User with id: {userId} was not found");
}
_armDbContext.Remove(friend);
_armDbContext.SaveChanges();
return(friend);
}
public PublicationToFriend DeleteFriendBorrowsABookConnection(int userId, int publicationId)
{
// Check if given user has allready borrowed given publication
var connection = _armDbContext.PublicationsToFriend.FirstOrDefault(c => c.FriendId == userId && c.PublicationId == publicationId);
if (connection == null)
{
throw new ResourceNotFoundException($"Friend with id: {userId} has not borrowed book with id: {publicationId}");
}
_armDbContext.Remove(connection);
_armDbContext.SaveChanges();
return(connection);
}
