public async Task <IActionResult> PostPost([FromRoute] int userId, [FromBody] PostModel content)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (_context.Post.Any(e => e.Content == content.Text))
{
ModelState.AddModelError("Post with same title and content already exists", "Please edit the post or create new post");
return(BadRequest(ModelState));
}
Post post = new Post()
{
Content = content.Text,
UserId = userId,
Title = content.Text.Substring(0, 5),
CreationDate = DateTime.UtcNow
};
_context.Post.Add(post);
await _context.SaveChangesAsync();
return(CreatedAtAction("GetPost", new { id = post.PostId }, post));
}
public async Task <IActionResult> PostUser([FromBody] UseModel user)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
User newUser = new User()
{
Name = user.Name,
Passsword = user.Passsword,
Email = user.Email
};
var existsUser = await _context.User.SingleOrDefaultAsync(m => m.Email == user.Email);
if (existsUser != null)
{
ModelState.AddModelError("user exists", "user alrady registered in the system");
return(BadRequest(ModelState));
}
_context.User.Add(newUser);
await _context.SaveChangesAsync();
return(CreatedAtAction("GetUser", new { id = newUser.UserId }, user));
}
public async Task <IActionResult> Vote(int id, int userId, int vote)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var user = await _context.User.SingleOrDefaultAsync(m => m.UserId == userId);
if (user == null)
{
ModelState.AddModelError("userId", "not found");
return(BadRequest(ModelState));
}
var pp = await _context.Post.SingleOrDefaultAsync(m => m.PostId == id);
if (pp == null)
{
ModelState.AddModelError("userId", "not found");
return(BadRequest(ModelState));
}
if (vote != 0 && vote != 1)
{
ModelState.AddModelError("vote", "can be 0 or 1");
return(BadRequest(ModelState));
}
var postvote = await this._context.PostVote.SingleOrDefaultAsync(m => m.PostId == id && m.UserId == userId);
if (postvote != null)
{
if (postvote.VoteDown && postvote.VoteUp)
{
return(Json(new { errMsg = "you already voted up and down for this post" }));
}
if (vote == 1 && postvote.VoteUp)
{
return(Json(new { errMsg = "you already voted up for this post" }));
}
if (vote == 0 && postvote.VoteDown)
{
return(Json(new { errMsg = "you already voted down for this post" }));
}
}
// update
if (postvote != null)
{
if (vote == 0)
{
postvote.VoteDown = true;
}
else if (vote == 1)
{
postvote.VoteUp = true;
}
if (await TryUpdateModelAsync <PostVote>(postvote))
{
try {
await _context.SaveChangesAsync();
// return RedirectToAction(nameof(Index));
} catch (DbUpdateException ex) {
//Log the error (uncomment ex variable name and write a log.)
ModelState.AddModelError("", "Unable to save changes. " +
"Try again, and if the problem persists, " +
"contact your system administrator." + ex);
}
}
return(NoContent());
}
// insert
var newVote = new PostVote()
{
PostId = id,
UserId = userId
};
if (vote == 0)
{
newVote.VoteDown = true;
}
else if (vote == 1)
{
newVote.VoteUp = true;
}
try {
_context.PostVote.Add(newVote);
await _context.SaveChangesAsync();
} catch (DbUpdateConcurrencyException) {
throw;
}
return(Ok());
}
