public async Task <IHttpActionResult> PutFriendshipRelation(int id)
{
FriendshipRelation relation = db.FriendshipRelations.FirstOrDefault(f => f.Id == id);
relation.isFriend = true;
db.Entry(relation).State = EntityState.Modified;
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!FriendshipRelationExists(id))
{
return(StatusCode(HttpStatusCode.NoContent));
}
else
{
throw;
}
}
return(StatusCode(HttpStatusCode.OK));
}
public async Task <IHttpActionResult> GetFriendshipRelation(int id)
{
FriendshipRelation friendshipRelation = await db.FriendshipRelations.FindAsync(id);
if (friendshipRelation == null)
{
return(NotFound());
}
return(Ok(friendshipRelation));
}
public async Task <IHttpActionResult> DeleteFriendshipRelation(int id)
{
FriendshipRelation friendshipRelation = await db.FriendshipRelations.FindAsync(id);
if (friendshipRelation == null)
{
return(NotFound());
}
db.FriendshipRelations.Remove(friendshipRelation);
await db.SaveChangesAsync();
return(Ok(friendshipRelation));
}
public async Task <IHttpActionResult> PostFriendshipRelation([FromBody] FriendshipRelation friendshipRelation)
{
friendshipRelation.isFriend = false;
if (db.FriendshipRelations.FirstOrDefault(r => r.firstUserId == friendshipRelation.firstUserId && r.secondUserId == friendshipRelation.secondUserId) == null)
{
db.FriendshipRelations.Add(friendshipRelation);
await db.SaveChangesAsync();
return(CreatedAtRoute("DefaultApi", new { id = friendshipRelation.Id }, friendshipRelation));
}
else
{
return(CreatedAtRoute("DefaultApi", new { id = 0 }, new FriendshipRelation()));
}
}
public HttpResponseMessage GetNearbyUsers(int id)
{
if (!UserExists(id))
{
return(null);
}
else
{
int distance = 5;//Utility.getRadarAera(area);
List <NearbyUser> list = new List <NearbyUser>();
User user = db.Users.FirstOrDefault(u => u.Id == id);
foreach (User u in db.Users)
{
if (u.Id != id)
{
if (Utility.distFrom(user.latitude, user.longitude, u.latitude, u.longitude) <= distance)
{
NearbyUser temp = new NearbyUser();
temp.Id = u.Id;
temp.Name = u.name;
temp.Email = u.email;
temp.latitude = u.latitude;
temp.longitude = u.longitude;
temp.isFriend = false;
list.Add(temp);
}
}
}
foreach (NearbyUser u in list)
{
FriendshipRelation relation = db.FriendshipRelations.FirstOrDefault(r => r.firstUserId == id && r.secondUserId == u.Id || r.firstUserId == u.Id && r.secondUserId == id);
if (relation != null)
{
u.isFriend = relation.isFriend;
u.friendshipId = relation.Id;
}
}
return(Request.CreateResponse(HttpStatusCode.OK, list));
}
}
