public async Task <IHttpActionResult> AddFriend(int userID, int friendID)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var user = await db.Users.FirstOrDefaultAsync((u) => u.UserID == userID);
if (user == null)
{
return(BadRequest());
}
var friend = await db.Users.FirstOrDefaultAsync((u) => u.UserID == friendID);
if (friend == null)
{
return(BadRequest());
}
await db.AddAFriend(userID, friendID);
return(Ok());
}