public SuccessfullOperated<FriendshipResponseModel> DeleteFriendship(string firstUserId, string secondUserId)
{
var modelFromDb = this.data.Friendships
.All()
.FirstOrDefault(f => (f.FirstUserId == firstUserId && f.SecondUserId == secondUserId));
var successfullOperated = new SuccessfullOperated<FriendshipResponseModel>
{
IsSuccessfull = false,
Element = null
};
try
{
data.Friendships.Delete(modelFromDb);
data.SaveChanges();
successfullOperated.IsSuccessfull = true;
return successfullOperated;
}
catch (Exception)
{
return successfullOperated;
}
}
public SuccessfullOperated<FriendshipResponseModel> AproveFriendship(string firstUserId, string secondUserId)
{
var successfullOperated = new SuccessfullOperated<FriendshipResponseModel>()
{
IsSuccessfull = false,
Element = null
};
var modelFromDb = this.data.Friendships
.All()
.FirstOrDefault(f => (f.FirstUserId == firstUserId && f.SecondUserId == secondUserId));
if (modelFromDb == null)
{
return successfullOperated;
}
modelFromDb.IsApproved = true;
modelFromDb.Date = DateTime.Now;
modelFromDb.ModifiedOn = DateTime.Now;
this.data.SaveChanges();
successfullOperated.IsSuccessfull = true;
return successfullOperated;
}
public SuccessfullOperated<MessageResponseModel> Delete(int id)
{
var model = this.data.Messages
.All()
.FirstOrDefault(m => m.Id == id);
var successfullOperated = new SuccessfullOperated<MessageResponseModel>
{
IsSuccessfull = false,
Element = null
};
try
{
this.data.Messages.Delete(model);
this.data.SaveChanges();
successfullOperated.IsSuccessfull = true;
return successfullOperated;
}
catch (Exception)
{
return successfullOperated;
}
}
public SuccessfullOperated<List<FriendshipResponseModel>> GetAllRequestFriendships(string userId)
{
var successfullOperated = new SuccessfullOperated<List<FriendshipResponseModel>>()
{
IsSuccessfull = false,
Element = new List<FriendshipResponseModel>()
};
var friends = this.data.Friendships
.All()
.Where(f => !f.IsApproved && f.IsFirstUserSender && f.SecondUserId == userId)
.Select(FriendshipResponseModel.FromFriendship)
.ToList();
successfullOperated.Element.AddRange(friends);
successfullOperated.IsSuccessfull = true;
return successfullOperated;
}
public SuccessfullOperated<FriendshipResponseModel> Update(int id, FriendshipResponseModel model)
{
var successfullOperated = new SuccessfullOperated<FriendshipResponseModel>()
{
IsSuccessfull = false,
Element = model
};
var modelFromDb = this.data.Friendships
.All()
.FirstOrDefault(m => m.Id == id);
if (modelFromDb == null)
{
return successfullOperated;
}
if (!string.IsNullOrEmpty(model.FirstUserId))
{
modelFromDb.FirstUserId = model.FirstUserId;
}
if (!string.IsNullOrEmpty(model.SecondUserId))
{
modelFromDb.SecondUserId = model.SecondUserId;
}
modelFromDb.IsApproved = model.IsApproved;
data.SaveChanges();
successfullOperated.IsSuccessfull = true;
return successfullOperated;
}
public SuccessfullOperated<FriendshipResponseModel> RequestFriendship(FriendshipResponseModel model)
{
var successfullOperated = new SuccessfullOperated<FriendshipResponseModel>()
{
IsSuccessfull = false,
Element = model
};
var firstUser = this.data.Users
.All()
.FirstOrDefault(f => f.Id == model.FirstUserId);
if (firstUser == null)
{
return successfullOperated;
}
var secondUser = this.data.Users
.All()
.FirstOrDefault(f => f.Id == model.SecondUserId);
if (secondUser == null)
{
return successfullOperated;
}
var friendshipForDb = new Friendship()
{
FirstUserId = model.FirstUserId,
FirstUser = firstUser,
SecondUserId = model.SecondUserId,
SecondUser = secondUser,
IsApproved = false,
CreatedOn = DateTime.Now,
ModifiedOn = DateTime.Now,
IsDeleted = false,
IsFirstUserSender = true
};
try
{
this.data.Friendships.Add(friendshipForDb);
this.data.SaveChanges();
successfullOperated.IsSuccessfull = true;
return successfullOperated;
}
catch (Exception)
{
return successfullOperated;
}
}
public SuccessfullOperated<FileRequestModel> SendFileToFriendship(int friendshipId, string authorId, FileRequestModel model)
{
var successfullOperated = new SuccessfullOperated<FileRequestModel>()
{
IsSuccessfull = false,
Element = model
};
var friendship = this.data.Friendships
.All()
.FirstOrDefault(f => f.Id == friendshipId);
if (friendship == null)
{
return successfullOperated;
}
var author = this.data.Users
.All()
.FirstOrDefault(u => u.Id == authorId);
if (author == null)
{
return successfullOperated;
}
var fileForDb = new File()
{
Author = model.Author,
CompressedFile = model.CompressedFile
};
try
{
model.Id = fileForDb.Id;
friendship.Files.Add(fileForDb);
this.data.SaveChanges();
successfullOperated.IsSuccessfull = true;
return successfullOperated;
}
catch (Exception)
{
return successfullOperated;
}
}
public SuccessfullOperated<MessageResponseModel> Update(int id, MessageResponseModel model)
{
var successfullOperated = new SuccessfullOperated<MessageResponseModel>()
{
IsSuccessfull = false,
Element = model
};
var modelFromDb = this.data.Messages
.All()
.FirstOrDefault(m => m.Id == id);
if (modelFromDb == null)
{
return successfullOperated;
}
if (model.Author != null)
{
modelFromDb.Author = model.Author;
}
if (!string.IsNullOrEmpty(model.Content))
{
modelFromDb.Content = model.Content;
}
if (model.FriendshipId != modelFromDb.FriendshipId && model.FriendshipId != 0)
{
modelFromDb.FriendshipId = model.FriendshipId;
}
this.data.SaveChanges();
successfullOperated.IsSuccessfull = true;
return successfullOperated;
}
public SuccessfullOperated<MessageRequestModel> SendMessageToFriendship(int friendshipId, string authorId, MessageRequestModel model)
{
var successfullOperated = new SuccessfullOperated<MessageRequestModel>()
{
IsSuccessfull = false,
Element = model
};
var friendship = this.data.Friendships
.All()
.FirstOrDefault(f => f.Id == friendshipId);
if (friendship == null)
{
return successfullOperated;
}
var author = this.data.Users
.All()
.FirstOrDefault(u => u.Id == authorId);
if (author == null)
{
return successfullOperated;
}
var messageForDb = new Message()
{
Author = author,
Content = model.Content,
SentOn = DateTime.Now
};
try
{
model.Id = messageForDb.Id;
friendship.Messages.Add(messageForDb);
this.data.SaveChanges();
successfullOperated.IsSuccessfull = true;
return successfullOperated;
}
catch (Exception)
{
return successfullOperated;
}
}