public JsonResult ToggleLike(int?postId)
{
// Check if the user is signed in
if (!User.Identity.IsAuthenticated)
{
Response.StatusCode = (int)HttpStatusCode.Forbidden;
return(Json(new { Message = "You must be signed in to do that" }));
}
// if postId is null or if the post does not exist return error message
if (postId == null || !postExists(postId))
{
Response.StatusCode = (int)HttpStatusCode.NotFound;
return(Json(new { Message = "Unable to find post" }));
}
// if the currently logged in user is not the owner of the post, return an error message
if (UserOwnsPost(postId))
{
Response.StatusCode = (int)HttpStatusCode.Forbidden;
return(Json(new { Message = "You cannot like your own post" }));
}
// Getting all the likes that the current post has.
var postLikes = _context.Likes.Where(l => l.PostId == postId);
try
{
// If the user Has already liked the post, we unlike it. and vice versa
if (postLikes.Any(l => l.UserId == _userManager.GetUserId(User) && l.PostId == postId))
{
var likeToRemove = _context.Likes.Where(l => l.UserId == _userManager.GetUserId(User) && l.PostId == postId);
_context.Likes.RemoveRange(likeToRemove);
_context.SaveChanges();
Response.StatusCode = (int)HttpStatusCode.OK;
return(Json(new { Message = "Unliked!" }));
}
else
{
Like like = new Like()
{
UserId = _userManager.GetUserId(User),
Post = _context.Posts.Single(p => p.Id == postId)
};
_context.Likes.Add(like);
_context.SaveChanges();
Response.StatusCode = (int)HttpStatusCode.Created;
return(Json(new { Message = "Liked!" }));
}
}
catch (Exception e)
{
Response.StatusCode = (int)HttpStatusCode.BadRequest;
return(Json(new { Message = e.Message }));
}
}
public JsonResult ToggleFollow(string userName)
{
// Check if the user is signed in
if (!User.Identity.IsAuthenticated)
{
Response.StatusCode = (int)HttpStatusCode.Forbidden;
return(Json(new { Message = "You must be signed in to do that" }));
}
// if userName is null or if the user does not exist return error message
if (userName == null || !_context.Users.Any(u => u.UserName == userName))
{
Response.StatusCode = (int)HttpStatusCode.NotFound;
return(Json(new { Message = "Unable to find user" }));
}
// Getting all the Follows that the logged in user has.
var userFollows = _context.Follows.Where(f => f.FollowerId == _userManager.GetUserId(User));
var followee = _userManager.FindByNameAsync(userName).Result;
try
{
// If the logged in user is already following the followee, unfollow. and vice versa
if (userFollows.Any(f => f.FolloweeId == followee.Id))
{
var followToRemove = _context.Follows.Where(f => f.FolloweeId == followee.Id);
_context.Follows.RemoveRange(followToRemove);
_context.SaveChanges();
Response.StatusCode = (int)HttpStatusCode.OK;
return(Json(new { Message = "Unfollowed!" }));
}
else
{
Follow follow = new Follow()
{
Follower = _userManager.GetUserAsync(User).Result,
FolloweeId = followee.Id
};
_context.Follows.Add(follow);
_context.SaveChanges();
Response.StatusCode = (int)HttpStatusCode.Created;
return(Json(new { Message = "Followed!" }));
}
}
catch (Exception e)
{
Response.StatusCode = (int)HttpStatusCode.BadRequest;
return(Json(new { Message = e.Message }));
}
}
public IActionResult UploadProfileImage(IList <IFormFile> files)
{
try
{
IFormFile uploadedImage = files.FirstOrDefault();
if (uploadedImage == null || uploadedImage.ContentType.ToLower().StartsWith("image/"))
{
MemoryStream ms = new MemoryStream();
uploadedImage.OpenReadStream().CopyTo(ms);
System.Drawing.Image image = System.Drawing.Image.FromStream(ms);
var imageId = Guid.NewGuid();
var user = _userManager.GetUserAsync(User).Result;
Models.Image imageEntity = new Models.Image()
{
Id = imageId,
Name = uploadedImage.Name,
Data = ms.ToArray(),
Width = image.Width,
Height = image.Height,
ContentType = uploadedImage.ContentType,
User = _userManager.GetUserAsync(User).Result
};
// TEMPORARY
// for right now, the most recently uploaded image is the users profile image
user.ProfileImageId = imageId;
_context.Images.Add(imageEntity);
_context.Users.Update(user);
_context.SaveChanges();
}
TempData["Status"] = "Your profile picture has been changed.";
return(View());
}
catch (Exception e)
{
TempData["Status"] = e.Message;
return(View());
}
}
public JsonResult UploadImage(IList <IFormFile> files)
{
try
{
IFormFile uploadedImage = files.FirstOrDefault();
if (uploadedImage == null || uploadedImage.ContentType.ToLower().StartsWith("image/"))
{
MemoryStream ms = new MemoryStream();
uploadedImage.OpenReadStream().CopyTo(ms);
System.Drawing.Image image = System.Drawing.Image.FromStream(ms);
var imageId = Guid.NewGuid();
var user = _userManager.GetUserAsync(User).Result;
Models.Image imageEntity = new Models.Image()
{
Id = imageId,
Name = uploadedImage.Name,
Data = ms.ToArray(),
Width = image.Width,
Height = image.Height,
ContentType = uploadedImage.ContentType,
User = user
};
_context.Images.Add(imageEntity);
_context.SaveChanges();
}
Response.StatusCode = (int)HttpStatusCode.Created;
return(Json(new { Message = "Image Uploaded!!" }));
}
catch (Exception e)
{
Response.StatusCode = (int)HttpStatusCode.BadRequest;
return(Json(new { Message = e.Message }));
}
}