public static FriendRequestViewModel Create(FriendRequest request)
{
return new FriendRequestViewModel()
{
Id = request.Id,
Status = request.Status,
User = UserViewModelMinified.Create(request.From)
};
}
public IHttpActionResult SendFriendRequest(string username)
{
var recipient = this.SocialNetworkData.Users.All()
.FirstOrDefault(u => u.UserName == username);
if (recipient == null)
{
return this.NotFound();
}
var loggedUserId = this.User.Identity.GetUserId();
if (loggedUserId == null)
{
return this.BadRequest("Invalid session token.");
}
var loggedUser = this.SocialNetworkData.Users.GetById(loggedUserId);
if (username == loggedUser.UserName)
{
return this.BadRequest("Cannot send request to self.");
}
bool isAlreadyFriend = loggedUser.Friends
.Any(fr => fr.UserName == recipient.UserName);
if (isAlreadyFriend)
{
return this.BadRequest("User is already in friends.");
}
bool hasReceivedRequest = loggedUser.FriendRequests
.Any(r => r.FromId == recipient.Id && r.Status == FriendRequestStatus.Pending);
bool hasSentRequest = recipient.FriendRequests
.Any(r => r.FromId == loggedUser.Id && r.Status == FriendRequestStatus.Pending);
if (hasSentRequest || hasReceivedRequest)
{
return this.BadRequest("A pending request already exists.");
}
var friendRequest = new FriendRequest()
{
From = loggedUser,
To = recipient
};
recipient.FriendRequests.Add(friendRequest);
this.SocialNetworkData.SaveChanges();
return this.Ok(new
{
message = string.Format(
"Friend request successfully sent to {0}.", recipient.Name)
});
}
public IHttpActionResult SendFriendRequests(string username)
{
var currentUserId = this.UserIdProvider.GetUserId();
var existingUser = this.Data
.Users
.All()
.FirstOrDefault(c => c.Name == username);
if (existingUser == null)
{
return this.NotFound();
}
FriendRequest friendRequest = new FriendRequest
{
FriendRequestStatus = FriendRequestStatus.AwaitingApproval,
FromUserId = currentUserId,
ToUserId = existingUser.Id,
};
existingUser.FriendRequests.Add(friendRequest);
this.Data.SaveChanges();
return this.Ok();
}