public async Task <ActionResult> Submit([Bind(Include = "Id,Votes,Name,Date,Type,Linkdescription,Title,Rank,MessageContent,Subverse")] Message submission)
{
// abort if model state is invalid
if (!ModelState.IsValid)
{
return(View());
}
// save temp values for the view in case submission fails
ViewBag.selectedSubverse = submission.Subverse;
ViewBag.message = submission.MessageContent;
ViewBag.title = submission.Title;
ViewBag.linkDescription = submission.Linkdescription;
// grab server timestamp and modify submission timestamp to have posting time instead of "started writing submission" time
submission.Date = DateTime.Now;
// check if user is banned
if (UserHelper.IsUserGloballyBanned(User.Identity.Name) || UserHelper.IsUserBannedFromSubverse(User.Identity.Name, submission.Subverse))
{
ViewBag.SelectedSubverse = submission.Subverse;
return(View("~/Views/Home/Comments.cshtml", submission));
}
// check if subverse exists
var targetSubverse = _db.Subverses.Find(submission.Subverse.Trim());
if (targetSubverse == null || submission.Subverse.Equals("all", StringComparison.OrdinalIgnoreCase))
{
ModelState.AddModelError(string.Empty, "Sorry, The subverse you are trying to post to does not exist.");
return(View("Submit"));
}
//wrap captcha check in anon method as following method is in non UI dll
var captchaCheck = new Func <HttpRequestBase, Task <bool> >(request => {
return(ReCaptchaUtility.Validate(request));
});
// check if this submission is valid and good to go
var preProcessCheckResult = await Submissions.PreAddSubmissionCheck(submission, Request, User.Identity.Name, targetSubverse, captchaCheck);
if (preProcessCheckResult != null)
{
ModelState.AddModelError(string.Empty, preProcessCheckResult);
return(View("Submit"));
}
// submission is a link post
if (submission.Type == 2 && submission.MessageContent != null && submission.Linkdescription != null)
{
// check if same link was submitted before and deny submission
var existingSubmission = _db.Messages.FirstOrDefault(s => s.MessageContent.Equals(submission.MessageContent, StringComparison.OrdinalIgnoreCase) && s.Subverse.Equals(submission.Subverse, StringComparison.OrdinalIgnoreCase));
// submission is a repost, discard it and inform the user
if (existingSubmission != null)
{
ModelState.AddModelError(string.Empty, "Sorry, this link has already been submitted by someone else.");
// todo: offer the option to repost after informing the user about it
return(RedirectToRoute(
"SubverseComments",
new
{
controller = "Comment",
action = "Comments",
id = existingSubmission.Id,
subversetoshow = existingSubmission.Subverse
}
));
}
// process new link submission
var addLinkSubmissionResult = await Submissions.AddNewSubmission(submission, targetSubverse, User.Identity.Name);
if (addLinkSubmissionResult != null)
{
ModelState.AddModelError(string.Empty, addLinkSubmissionResult);
return(View("Submit"));
}
// update last submission received date for target subverse
targetSubverse.last_submission_received = DateTime.Now;
await _db.SaveChangesAsync();
}
// submission is a message type submission
else if (submission.Type == 1 && submission.Title != null)
{
// process new message type submission
var addMessageSubmissionResult = await Submissions.AddNewSubmission(submission, targetSubverse, User.Identity.Name);
if (addMessageSubmissionResult != null)
{
ModelState.AddModelError(string.Empty, addMessageSubmissionResult);
return(View("Submit"));
}
// update last submission received date for target subverse
targetSubverse.last_submission_received = DateTime.Now;
await _db.SaveChangesAsync();
}
// redirect to comments section of newly posted submission
return(RedirectToRoute(
"SubverseComments",
new
{
controller = "Comment",
action = "Comments",
id = submission.Id,
subversetoshow = submission.Subverse
}
));
}