// a user wishes to save a comment, save it
public static void SaveComment(int commentId, string userWhichSaved)
{
var result = CheckIfSavedComment(userWhichSaved, commentId);
using (var db = new voatEntities())
{
if (result == true)
{
// Already saved, unsave
UnSaveComment(userWhichSaved, commentId);
}
else
{
// register save
var tmpSavingTracker = new Commentsavingtracker
{
CommentId = commentId,
UserName = userWhichSaved,
Timestamp = DateTime.Now
};
db.Commentsavingtrackers.Add(tmpSavingTracker);
db.SaveChanges();
}
}
}
// a user wishes to save a submission, save it
public static void SaveSubmission(int submissionId, string userWhichSaved)
{
var result = CheckIfSaved(userWhichSaved, submissionId);
using (var db = new voatEntities())
{
if (result == true)
{
// Already saved, unsave
UnSaveSubmission(userWhichSaved, submissionId);
}
else
{
// register save
var tmpSavingTracker = new Savingtracker
{
MessageId = submissionId,
UserName = userWhichSaved,
Timestamp = DateTime.Now
};
db.Savingtrackers.Add(tmpSavingTracker);
db.SaveChanges();
}
}
}
// a method to send a private message to a user, invoked by other methods
public static bool SendPrivateMessage(string sender, string recipient, string subject, string body)
{
using (var db = new voatEntities())
{
try
{
var privateMessage = new Privatemessage
{
Sender = sender,
Recipient = recipient,
Timestamp = DateTime.Now,
Subject = subject,
Body = body,
Status = true,
Markedasunread = true
};
db.Privatemessages.Add(privateMessage);
db.SaveChanges();
return true;
}
catch (Exception)
{
return false;
}
}
}
// returns true if saved, false otherwise
public static bool? CheckIfSaved(string userToCheck, int messageId)
{
using (voatEntities db = new voatEntities())
{
var cmd = db.Database.Connection.CreateCommand();
cmd.CommandText = "SELECT COUNT(*) FROM Savingtracker WITH (NOLOCK) WHERE UserName = @UserName AND MessageId = @MessageId";
var param = cmd.CreateParameter();
param.ParameterName = "UserName";
param.DbType = System.Data.DbType.String;
param.Value = userToCheck;
cmd.Parameters.Add(param);
param = cmd.CreateParameter();
param.ParameterName = "MessageId";
param.DbType = System.Data.DbType.String;
param.Value = messageId;
cmd.Parameters.Add(param);
if (cmd.Connection.State != System.Data.ConnectionState.Open)
{
cmd.Connection.Open();
}
int count = (int)cmd.ExecuteScalar();
return count > 0;
}
//using (var db = new voatEntities())
//{
// return db.Savingtrackers.Where(u => u.UserName == userToCheck && u.MessageId == messageId).AsNoTracking().Any();
//}
}
// get comment contribution points for a user
public static int CommentKarma(string userName)
{
string cacheKey = CacheKey(userName, KarmaCacheType.Comment);
object cacheData = Cache[cacheKey];
if (cacheData != null)
{
return (int)cacheData;
}
int count = 0;
using (voatEntities db = new voatEntities())
{
// try to get CCP from storage
var storedUserCcp = db.Userscores.FirstOrDefault(x => x.Username.Equals(userName, StringComparison.OrdinalIgnoreCase));
if (storedUserCcp != null)
{
// add CCP value to cache
Cache.Insert(cacheKey, storedUserCcp.CCP, null, DateTime.Now.AddSeconds(cacheTimeInSeconds), Cache.NoSlidingExpiration);
return storedUserCcp.CCP;
}
var cmd = db.Database.Connection.CreateCommand();
cmd.CommandText = "SELECT ISNULL(SUM(Likes - Dislikes), 0) FROM Comments WITH (NOLOCK) WHERE Name = @Name";
var param = cmd.CreateParameter();
param.ParameterName = "Name";
param.DbType = System.Data.DbType.String;
param.Value = userName;
cmd.Parameters.Add(param);
if (cmd.Connection.State != System.Data.ConnectionState.Open)
{
cmd.Connection.Open();
}
long l = (long)cmd.ExecuteScalar();
count = (int)l;
// add CCP value to cache
Cache.Insert(cacheKey, count, null, DateTime.Now.AddSeconds(cacheTimeInSeconds), System.Web.Caching.Cache.NoSlidingExpiration);
}
return count;
//using (var db = new voatEntities())
//{
// try
// {
// return db.Comments.Where(c => c.Name.Trim().Equals(userName, StringComparison.OrdinalIgnoreCase))
// .Select(c => c.Likes - c.Dislikes)
// .Sum();
// }
// catch (Exception)
// {
// return 0;
// }
//}
}
//// returns -1:downvoted, 1:upvoted, 0:not voted
//public static SubmissionVoteTracker GetVote(voatEntities db, string userToCheck, int submissionID)
//{
// var checkResult = db.SubmissionVoteTrackers.Where(u => u.UserName == userToCheck && u.SubmissionID == submissionID)
// .AsNoTracking()
// .FirstOrDefault();
//}
// a user has either upvoted or downvoted this submission earlier and wishes to reset the vote, delete the record
public static void ResetMessageVote(string userWhichVoted, int submissionID)
{
using (var db = new voatEntities())
{
var votingTracker = db.SubmissionVoteTrackers.FirstOrDefault(b => b.SubmissionID == submissionID && b.UserName == userWhichVoted);
if (votingTracker == null) return;
//delete vote history
db.SubmissionVoteTrackers.Remove(votingTracker);
db.SaveChanges();
}
}
// returns -1:downvoted, 1:upvoted, 0:not voted
public static int CheckIfVoted(string userToCheck, int submissionID)
{
using (var db = new voatEntities())
{
var checkResult = db.SubmissionVoteTrackers.Where(u => u.UserName == userToCheck && u.SubmissionID == submissionID)
.AsNoTracking()
.FirstOrDefault();
int intCheckResult = checkResult != null ? checkResult.VoteStatus.Value : 0;
return intCheckResult;
}
}
// returns -1:downvoted, 1:upvoted, 0:not voted
public static int CheckIfVoted(string userToCheck, int messageId)
{
using (var db = new voatEntities())
{
var checkResult = db.Votingtrackers.Where(u => u.UserName == userToCheck && u.MessageId == messageId)
.AsNoTracking()
.FirstOrDefault();
int intCheckResult = checkResult != null ? checkResult.VoteStatus.Value : 0;
return intCheckResult;
}
}
// get link contribution points for a user
public static int LinkKarma(string userName)
{
string cacheKey = CacheKey(userName, KarmaCacheType.Link);
object cacheData = Cache[cacheKey];
if (cacheData != null)
{
return (int)cacheData;
}
int count = 0;
using (voatEntities db = new voatEntities())
{
var cmd = db.Database.Connection.CreateCommand();
cmd.CommandText = "SELECT ISNULL(SUM(UpCount - DownCount), 0) FROM Submission WITH (NOLOCK) WHERE UserName = @UserName";
var param = cmd.CreateParameter();
param.ParameterName = "UserName";
param.DbType = System.Data.DbType.String;
param.Value = userName;
cmd.Parameters.Add(param);
if (cmd.Connection.State != System.Data.ConnectionState.Open)
{
cmd.Connection.Open();
}
long l = (long)cmd.ExecuteScalar();
count = (int)l;
Cache.Insert(cacheKey, count, null, DateTime.Now.AddSeconds(cacheTimeInSeconds), System.Web.Caching.Cache.NoSlidingExpiration);
}
return count;
//using (var db = new voatEntities())
//{
// try
// {
// return db.Messages.Where(c => c.Name.Trim().Equals(userName, StringComparison.OrdinalIgnoreCase))
// .Select(c => c.Likes - c.Dislikes)
// .Sum();
// }
// catch (Exception)
// {
// return 0;
// }
//}
}
// returns -1:downvoted, 1:upvoted, or 0:not voted
public static int CheckIfVotedComment(string userToCheck, int commentId)
{
int intCheckResult = 0;
using (var db = new voatEntities())
{
var checkResult = db.Commentvotingtrackers.FirstOrDefault(b => b.CommentId == commentId && b.UserName == userToCheck);
intCheckResult = checkResult != null ? checkResult.VoteStatus.Value : 0;
return intCheckResult;
}
}
public static async Task SendUserMentionNotification(string user, Comment comment, Action<string> onSuccess)
{
if (comment != null)
{
if (!UserHelper.UserExists(user))
{
return;
}
try
{
string recipient = UserHelper.OriginalUsername(user);
var commentReplyNotification = new Commentreplynotification();
using (var _db = new voatEntities())
{
var submission = DataCache.Submission.Retrieve(comment.MessageId);
var subverse = DataCache.Subverse.Retrieve(submission.Subverse);
commentReplyNotification.CommentId = comment.Id;
commentReplyNotification.SubmissionId = comment.MessageId.Value;
commentReplyNotification.Recipient = recipient;
if (submission.Anonymized || subverse.anonymized_mode)
{
commentReplyNotification.Sender = (new Random()).Next(10000, 20000).ToString(CultureInfo.InvariantCulture);
}
else
{
commentReplyNotification.Sender = comment.Name;
}
commentReplyNotification.Body = comment.CommentContent;
commentReplyNotification.Subverse = subverse.name;
commentReplyNotification.Status = true;
commentReplyNotification.Timestamp = DateTime.Now;
commentReplyNotification.Subject = String.Format("@{0} mentioned you in a comment", comment.Name, submission.Title);
_db.Commentreplynotifications.Add(commentReplyNotification);
await _db.SaveChangesAsync();
}
if (onSuccess != null)
{
onSuccess(recipient);
}
}
catch (Exception ex) {
throw ex;
}
}
}
public static bool IsHostnameBanned(string hostnameToCheck)
{
// manual ban for blogspot
if (hostnameToCheck.Contains("blogspot"))
{
return true;
}
using (var db = new voatEntities())
{
var bannedHostname = db.Banneddomains.FirstOrDefault(r => r.Hostname.Equals(hostnameToCheck, StringComparison.OrdinalIgnoreCase));
// look for exact match
return bannedHostname != null;
}
}
public static double? GetSubverseHighestRanking(string subverse)
{
var highestRank = CacheHandler.Register(GetHighestRankingCacheKey(subverse), new Func<double?>(() => {
using (var db = new voatEntities())
{
var submission = db.Submissions.OrderByDescending(x => x.Rank).Where(x => x.Subverse == subverse).FirstOrDefault();
if (submission != null)
{
return submission.Rank;
}
return null;
}
}), TimeSpan.FromMinutes(30));
return highestRank;
}
// a method to mark single or all private messages as read for a given user
public static async Task<bool> MarkPrivateMessagesAsRead(bool? markAll, string userName, int? itemId)
{
using (var db = new voatEntities())
{
try
{
// mark all items as read
if (markAll != null && (bool) markAll)
{
IQueryable<Privatemessage> unreadPrivateMessages = db.Privatemessages
.Where(s => s.Recipient.Equals(userName, StringComparison.OrdinalIgnoreCase) && s.Status)
.OrderByDescending(s => s.Timestamp)
.ThenBy(s => s.Sender);
if (!unreadPrivateMessages.Any()) return false;
foreach (var singleMessage in unreadPrivateMessages.ToList())
{
singleMessage.Status = false;
}
await db.SaveChangesAsync();
return true;
}
// mark single item as read
if (itemId != null)
{
var privateMessageToMarkAsread = db.Privatemessages.FirstOrDefault(s => s.Recipient.Equals(userName, StringComparison.OrdinalIgnoreCase) && s.Status && s.Id == itemId);
if (privateMessageToMarkAsread == null) return false;
var item = db.Privatemessages.Find(itemId);
item.Status = false;
await db.SaveChangesAsync();
return true;
}
return false;
}
catch (Exception)
{
return false;
}
}
}
// returns true if saved, false otherwise
public static bool? CheckIfSavedComment(string userToCheck, int commentID)
{
using (voatEntities db = new voatEntities())
{
var cmd = db.Database.Connection.CreateCommand();
cmd.CommandText = "SELECT COUNT(*) FROM CommentSaveTracker WITH (NOLOCK) WHERE UserName = @UserName AND CommentID = @CommentID";
var param = cmd.CreateParameter();
param.ParameterName = "UserName";
param.DbType = System.Data.DbType.String;
param.Value = userToCheck;
cmd.Parameters.Add(param);
param = cmd.CreateParameter();
param.ParameterName = "CommentID";
param.DbType = System.Data.DbType.String;
param.Value = commentID;
cmd.Parameters.Add(param);
if (cmd.Connection.State != System.Data.ConnectionState.Open)
{
cmd.Connection.Open();
}
int count = (int)cmd.ExecuteScalar();
return count > 0;
}
//using (var db = new voatEntities())
//{
// return db.Commentsavingtrackers.Where(b => b.CommentId == commentId && b.UserName == userToCheck).AsNoTracking().Any();
//}
}
public static bool IsDomainBanned(params string[] domains)
{
foreach (string domain in domains)
{
using (var db = new voatEntities())
{
if (domain != null)
{
// manual ban for blogspot
if (domain.ToLower().Contains("blogspot"))
{
return true;
}
var result = db.BannedDomains.Any(r => r.Domain.Equals(domain, StringComparison.OrdinalIgnoreCase));
if (result)
{
return result;
}
}
}
}
return false;
}
public static int CommentCount(int submissionID)
{
int count = 0;
string cacheKey = String.Format("comment.count.{0}", submissionID).ToString();
object data = CacheHandler.Retrieve(cacheKey);
if (data == null)
{
data = CacheHandler.Register(cacheKey, new Func<object>(() =>
{
using (voatEntities db = new voatEntities())
{
var cmd = db.Database.Connection.CreateCommand();
cmd.CommandText = "SELECT COUNT(*) FROM Comment WITH (NOLOCK) WHERE SubmissionID = @SubmissionID AND IsDeleted != 1";
var param = cmd.CreateParameter();
param.ParameterName = "SubmissionID";
param.DbType = System.Data.DbType.Int32;
param.Value = submissionID;
cmd.Parameters.Add(param);
if (cmd.Connection.State != System.Data.ConnectionState.Open)
{
cmd.Connection.Open();
}
return (int)cmd.ExecuteScalar();
}
}), TimeSpan.FromMinutes(2), 1);
count = (int)data;
}
else {
count = (int)data;
}
return count;
}
// add new link submission
public static async Task<string> AddNewSubmission(Message submissionModel, Subverse targetSubverse, string userName)
{
using (var db = new voatEntities())
{
// LINK TYPE SUBMISSION
if (submissionModel.Type == 2)
{
// strip unicode if title contains unicode
if (ContainsUnicode(submissionModel.Linkdescription))
{
submissionModel.Linkdescription = StripUnicode(submissionModel.Linkdescription);
}
// reject if title is whitespace or < than 5 characters
if (submissionModel.Linkdescription.Length < 5 || String.IsNullOrWhiteSpace(submissionModel.Linkdescription))
{
return ("The title may not be less than 5 characters.");
}
// make sure the input URI is valid
if (!UrlUtility.IsUriValid(submissionModel.MessageContent))
{
// ABORT
return ("The URI you are trying to submit is invalid.");
}
// check if target subvere allows submissions from globally banned hostnames
if (!targetSubverse.exclude_sitewide_bans)
{
// check if hostname is banned before accepting submission
var domain = UrlUtility.GetDomainFromUri(submissionModel.MessageContent);
if (BanningUtility.IsHostnameBanned(domain))
{
// ABORT
return ("The hostname you are trying to submit is banned.");
}
}
// check if user has reached daily crossposting quota
if (UserHelper.DailyCrossPostingQuotaUsed(userName, submissionModel.MessageContent))
{
// ABORT
return ("You have reached your daily crossposting quota for this URL.");
}
// check if target subverse has thumbnails setting enabled before generating a thumbnail
if (targetSubverse.enable_thumbnails)
{
// try to generate and assign a thumbnail to submission model
submissionModel.Thumbnail = await ThumbGenerator.ThumbnailFromSubmissionModel(submissionModel);
}
// flag the submission as anonymized if it was submitted to a subverse with active anonymized_mode
if (targetSubverse.anonymized_mode)
{
submissionModel.Anonymized = true;
}
else
{
submissionModel.Name = userName;
}
// accept submission and save it to the database
submissionModel.Subverse = targetSubverse.name;
submissionModel.Likes = 1;
db.Messages.Add(submissionModel);
// update last submission received date for target subverse
targetSubverse.last_submission_received = DateTime.Now;
await db.SaveChangesAsync();
}
else
// MESSAGE TYPE SUBMISSION
{
// strip unicode if submission contains unicode
if (ContainsUnicode(submissionModel.Title))
{
submissionModel.Title = StripUnicode(submissionModel.Title);
}
// reject if title is whitespace or less than 5 characters
if (submissionModel.Title.Length < 5 || String.IsNullOrWhiteSpace(submissionModel.Title))
{
return ("Sorry, submission title may not be less than 5 characters.");
}
// flag the submission as anonymized if it was submitted to a subverse with active anonymized_mode
if (targetSubverse.anonymized_mode)
{
submissionModel.Anonymized = true;
}
else
{
submissionModel.Name = userName;
}
// grab server timestamp and modify submission timestamp to have posting time instead of "started writing submission" time
submissionModel.Subverse = targetSubverse.name;
submissionModel.Date = DateTime.Now;
submissionModel.Likes = 1;
db.Messages.Add(submissionModel);
// update last submission received date for target subverse
targetSubverse.last_submission_received = DateTime.Now;
if (ContentProcessor.Instance.HasStage(ProcessingStage.InboundPreSave))
{
submissionModel.MessageContent = ContentProcessor.Instance.Process(submissionModel.MessageContent, ProcessingStage.InboundPreSave, submissionModel);
}
await db.SaveChangesAsync();
if (ContentProcessor.Instance.HasStage(ProcessingStage.InboundPostSave))
{
ContentProcessor.Instance.Process(submissionModel.MessageContent, ProcessingStage.InboundPostSave, submissionModel);
}
}
}
// null is returned if no errors were raised
return null;
}
public async Task<ActionResult> ToggleNightMode()
{
string newTheme = "light";
// save changes
using (var db = new voatEntities())
{
var userPreferences = db.Userpreferences.Find(User.Identity.Name);
if (userPreferences != null)
{
// modify existing preferences
userPreferences.Night_mode = !userPreferences.Night_mode;
await db.SaveChangesAsync();
newTheme = userPreferences.Night_mode ? "dark" : "light";
// apply theme change
//Session["UserTheme"] = UserHelper.UserStylePreference(User.Identity.Name);
}
else
{
// create a new record for this user in userpreferences table
var tmpModel = new Userpreference
{
Disable_custom_css = false,
//Since if user has no pref, they must have been on the light theme
Night_mode = true,
Clicking_mode = false,
Enable_adult_content = false,
Public_subscriptions = false,
Topmenu_from_subscriptions = false,
Username = User.Identity.Name
};
db.Userpreferences.Add(tmpModel);
await db.SaveChangesAsync();
// apply theme change
newTheme = "dark";
//Session["UserTheme"] = UserHelper.UserStylePreference(User.Identity.Name);
}
}
UserHelper.SetUserStylePreferenceCookie(newTheme);
Response.StatusCode = 200;
return Json("Toggled Night Mode", JsonRequestBehavior.AllowGet);
}
public async Task<ActionResult> UserPreferences([Bind(Include = "Disable_custom_css, Night_mode, OpenLinksInNewTab, Enable_adult_content, Public_subscriptions, Topmenu_from_subscriptions, Shortbio, Avatar")] UserPreferencesViewModel model)
{
if (!ModelState.IsValid) return View("Manage", model);
// save changes
string newTheme;
using (var db = new voatEntities())
{
var userPreferences = db.Userpreferences.Find(User.Identity.Name);
if (userPreferences != null)
{
// modify existing preferences
userPreferences.Disable_custom_css = model.Disable_custom_css;
userPreferences.Night_mode = model.Night_mode;
userPreferences.Clicking_mode = model.OpenLinksInNewTab;
userPreferences.Enable_adult_content = model.Enable_adult_content;
userPreferences.Public_subscriptions = model.Public_subscriptions;
userPreferences.Topmenu_from_subscriptions = model.Topmenu_from_subscriptions;
await db.SaveChangesAsync();
newTheme = userPreferences.Night_mode ? "dark" : "light";
}
else
{
// create a new record for this user in userpreferences table
var tmpModel = new Userpreference
{
Disable_custom_css = model.Disable_custom_css ? true : false,
Night_mode = model.Night_mode ? true : false,
Language = "en",
Clicking_mode = model.OpenLinksInNewTab ? true : false,
Enable_adult_content = model.Enable_adult_content ? true : false,
Public_votes = false,
Public_subscriptions = model.Public_subscriptions ? true : false,
Topmenu_from_subscriptions = model.Topmenu_from_subscriptions,
Username = User.Identity.Name
};
db.Userpreferences.Add(tmpModel);
await db.SaveChangesAsync();
newTheme = tmpModel.Night_mode ? "dark" : "light";
}
}
UserHelper.SetUserStylePreferenceCookie(newTheme);
return RedirectToAction("Manage");
}
public ActionResult UserPreferences()
{
try
{
using (var db = new voatEntities())
{
var userPreferences = db.Userpreferences.Find(User.Identity.Name);
if (userPreferences != null)
{
// load existing preferences and return to view engine
var tmpModel = new UserPreferencesViewModel
{
Disable_custom_css = userPreferences.Disable_custom_css,
Night_mode = userPreferences.Night_mode,
OpenLinksInNewTab = userPreferences.Clicking_mode,
Enable_adult_content = userPreferences.Enable_adult_content,
Public_subscriptions = userPreferences.Public_subscriptions,
Topmenu_from_subscriptions = userPreferences.Topmenu_from_subscriptions
};
return PartialView("_UserPreferences", tmpModel);
}
else
{
var tmpModel = new UserPreferencesViewModel();
return PartialView("_UserPreferences", tmpModel);
}
}
}
catch (Exception)
{
return new EmptyResult();
}
}
public async Task<ActionResult> UserPreferencesAbout([Bind(Include = "Shortbio, Avatarfile")] UserAboutViewModel model)
{
// save changes
using (var db = new voatEntities())
{
var userPreferences = db.Userpreferences.Find(User.Identity.Name);
var tmpModel = new Userpreference();
if (userPreferences == null)
{
// create a new record for this user in userpreferences table
tmpModel.Shortbio = model.Shortbio;
tmpModel.Username = User.Identity.Name;
}
if (model.Avatarfile != null && model.Avatarfile.ContentLength > 0)
{
// check uploaded file size is < 300000 bytes (300 kilobytes)
if (model.Avatarfile.ContentLength < 300000)
{
try
{
using (var img = Image.FromStream(model.Avatarfile.InputStream))
{
if (img.RawFormat.Equals(ImageFormat.Jpeg) || img.RawFormat.Equals(ImageFormat.Png))
{
// resize uploaded file
var thumbnailResult = await ThumbGenerator.GenerateAvatar(img, User.Identity.Name, model.Avatarfile.ContentType);
if (thumbnailResult)
{
if (userPreferences == null)
{
tmpModel.Avatar = User.Identity.Name + ".jpg";
}
else
{
userPreferences.Avatar = User.Identity.Name + ".jpg";
}
}
else
{
// unable to generate thumbnail
ModelState.AddModelError("", "Uploaded file is not recognized as a valid image.");
return RedirectToAction("Manage", new { Message = ManageMessageId.InvalidFileFormat });
}
}
else
{
// uploaded file was invalid
ModelState.AddModelError("", "Uploaded file is not recognized as an image.");
return RedirectToAction("Manage", new { Message = ManageMessageId.InvalidFileFormat });
}
}
}
catch (Exception)
{
// uploaded file was invalid
ModelState.AddModelError("", "Uploaded file is not recognized as an image.");
return RedirectToAction("Manage", new { Message = ManageMessageId.InvalidFileFormat });
}
}
else
{
// refuse to save the file and explain why
ModelState.AddModelError("", "Uploaded image may not exceed 300 kb, please upload a smaller image.");
return RedirectToAction("Manage", new { Message = ManageMessageId.UploadedFileToolarge });
}
}
if (userPreferences == null)
{
db.Userpreferences.Add(tmpModel);
await db.SaveChangesAsync();
}
else
{
userPreferences.Shortbio = model.Shortbio;
userPreferences.Username = User.Identity.Name;
await db.SaveChangesAsync();
}
}
return RedirectToAction("Manage");
}
public ActionResult UserPreferencesAbout()
{
try
{
using (var db = new voatEntities())
{
var userPreferences = db.Userpreferences.Find(User.Identity.Name);
if (userPreferences != null)
{
// load existing preferences and return to view engine
var tmpModel = new UserAboutViewModel()
{
Shortbio = userPreferences.Shortbio,
Avatar = userPreferences.Avatar
};
return PartialView("_UserPreferencesAbout", tmpModel);
}
else
{
var tmpModel = new UserAboutViewModel();
return PartialView("_UserPreferencesAbout", tmpModel);
}
}
}
catch (Exception)
{
return new EmptyResult();
}
}
// a method to send a private message to a user, invoked by other methods
public static bool SendPrivateMessage(string sender, string recipientList, string subject, string body)
{
if (Voat.Utilities.UserHelper.IsUserGloballyBanned(System.Web.HttpContext.Current.User.Identity.Name))
{
return false;
}
List<PrivateMessage> messages = new List<PrivateMessage>();
MatchCollection col = Regex.Matches(recipientList, @"((?'prefix'@|u/|/u/|v/|/v/)?(?'recipient'[\w-.]+))", RegexOptions.IgnoreCase);
foreach (Match m in col)
{
var recipient = m.Groups["recipient"].Value;
var prefix = m.Groups["prefix"].Value;
if (!String.IsNullOrEmpty(prefix) && prefix.ToLower().Contains("v"))
{
//don't allow banned users to send to subverses
if (!UserHelper.IsUserBannedFromSubverse(System.Web.HttpContext.Current.User.Identity.Name, recipient))
{
//send to subverse mods
using (var db = new voatEntities())
{
//designed to limit abuse by taking the level 1 mod and the next four oldest
var mods = (from mod in db.SubverseModerators
where mod.Subverse.Equals(recipient, StringComparison.OrdinalIgnoreCase) && mod.UserName != "system" && mod.UserName != "youcanclaimthissub"
orderby mod.Power ascending, mod.CreationDate descending
select mod).Take(5);
foreach (var moderator in mods)
{
messages.Add(new PrivateMessage
{
Sender = sender,
Recipient = moderator.UserName,
CreationDate = DateTime.Now,
Subject = String.Format("[v/{0}] {1}", recipient, subject),
Body = body,
IsUnread = true,
MarkedAsUnread = true
});
}
}
}
}
else
{
//ensure proper cased
recipient = UserHelper.OriginalUsername(recipient);
if (Voat.Utilities.UserHelper.UserExists(recipient))
{
messages.Add(new PrivateMessage
{
Sender = sender,
Recipient = recipient,
CreationDate = DateTime.Now,
Subject = subject,
Body = body,
IsUnread = true,
MarkedAsUnread = true
});
}
}
}
if (messages.Count > 0)
{
using (var db = new voatEntities())
{
try
{
db.PrivateMessages.AddRange(messages);
db.SaveChanges();
}
catch (Exception)
{
return false;
}
}
}
return true;
}
// submit submission downvote
public static void DownvoteSubmission(int submissionID, string userName, string clientIp)
{
//int result = CheckIfVoted(userWhichDownvoted, submissionId);
using (var db = new voatEntities())
{
Submission submission = db.Submissions.Find(submissionID);
SubmissionVoteTracker previousVote = db.SubmissionVoteTrackers.Where(u => u.UserName == userName && u.SubmissionID == submissionID).FirstOrDefault();
// do not execute downvoting if subverse is in anonymized mode
if (submission.IsAnonymized)
{
return;
}
// do not execute downvoting if user has insufficient CCP for target subverse
if (Karma.CommentKarmaForSubverse(userName, submission.Subverse) < submission.Subverse1.MinCCPForDownvote)
{
return;
}
int result = (previousVote == null ? 0 : previousVote.VoteStatus.Value);
switch (result)
{
// never voted before
case 0:
{
// this user is downvoting more than upvoting, don't register the downvote
if (UserHelper.IsUserCommentVotingMeanie(userName))
{
return;
}
// check if this IP already voted on the same submission, abort voting if true
var ipVotedAlready = db.SubmissionVoteTrackers.Where(x => x.SubmissionID == submissionID && x.IPAddress == clientIp);
if (ipVotedAlready.Any()) return;
submission.DownCount++;
double currentScore = submission.UpCount - submission.DownCount;
double submissionAge = Submissions.CalcSubmissionAgeDouble(submission.CreationDate);
double newRank = Ranking.CalculateNewRank(submission.Rank, submissionAge, currentScore);
submission.Rank = newRank;
// register downvote
var tmpVotingTracker = new SubmissionVoteTracker
{
SubmissionID = submissionID,
UserName = userName,
VoteStatus = -1,
CreationDate = DateTime.Now,
IPAddress = clientIp
};
db.SubmissionVoteTrackers.Add(tmpVotingTracker);
db.SaveChanges();
SendVoteNotification(submission.UserName, "downvote");
}
break;
// upvoted before, turn upvote to downvote
case 1:
{
submission.UpCount--;
submission.DownCount++;
double currentScore = submission.UpCount - submission.DownCount;
double submissionAge = Submissions.CalcSubmissionAgeDouble(submission.CreationDate);
double newRank = Ranking.CalculateNewRank(submission.Rank, submissionAge, currentScore);
submission.Rank = newRank;
// register Turn DownVote To UpVote
var votingTracker = db.SubmissionVoteTrackers.FirstOrDefault(b => b.SubmissionID == submissionID && b.UserName == userName);
previousVote.VoteStatus = -1;
previousVote.CreationDate = DateTime.Now;
db.SaveChanges();
SendVoteNotification(submission.UserName, "uptodownvote");
}
break;
// downvoted before, reset
case -1:
{
//ResetMessageVote(userName, submissionID);
submission.DownCount--;
double currentScore = submission.UpCount - submission.DownCount;
double submissionAge = Submissions.CalcSubmissionAgeDouble(submission.CreationDate);
double newRank = Ranking.CalculateNewRank(submission.Rank, submissionAge, currentScore);
submission.Rank = newRank;
db.SubmissionVoteTrackers.Remove(previousVote);
db.SaveChanges();
SendVoteNotification(submission.UserName, "upvote");
}
break;
}
}
}
// submit submission upvote
public static void UpvoteSubmission(int submissionID, string userName, string clientIp)
{
//// user account voting check
//int result = CheckIfVoted(userName, submissionID);
using (var db = new voatEntities())
{
SubmissionVoteTracker previousVote = db.SubmissionVoteTrackers.Where(u => u.UserName == userName && u.SubmissionID == submissionID).FirstOrDefault();
Submission submission = db.Submissions.Find(submissionID);
if (submission.IsAnonymized)
{
// do not execute voting, subverse is in anonymized mode
return;
}
int result = (previousVote == null ? 0 : previousVote.VoteStatus.Value);
switch (result)
{
// never voted before
case 0:
if (submission.UserName != userName)
{
// check if this IP already voted on the same submission, abort voting if true
var ipVotedAlready = db.SubmissionVoteTrackers.Where(x => x.SubmissionID == submissionID && x.IPAddress == clientIp);
if (ipVotedAlready.Any()) return;
submission.UpCount++;
double currentScore = submission.UpCount - submission.DownCount;
double submissionAge = Submissions.CalcSubmissionAgeDouble(submission.CreationDate);
double newRank = Ranking.CalculateNewRank(submission.Rank, submissionAge, currentScore);
submission.Rank = newRank;
// register upvote
var tmpVotingTracker = new SubmissionVoteTracker
{
SubmissionID = submissionID,
UserName = userName,
VoteStatus = 1,
CreationDate = DateTime.Now,
IPAddress = clientIp
};
db.SubmissionVoteTrackers.Add(tmpVotingTracker);
db.SaveChanges();
SendVoteNotification(submission.UserName, "upvote");
}
break;
// downvoted before, turn downvote to upvote
case -1:
if (submission.UserName != userName)
{
submission.UpCount++;
submission.DownCount--;
double currentScore = submission.UpCount - submission.DownCount;
double submissionAge = Submissions.CalcSubmissionAgeDouble(submission.CreationDate);
double newRank = Ranking.CalculateNewRank(submission.Rank, submissionAge, currentScore);
submission.Rank = newRank;
previousVote.VoteStatus = 1;
previousVote.CreationDate = DateTime.Now;
db.SaveChanges();
SendVoteNotification(submission.UserName, "downtoupvote");
}
break;
// upvoted before, reset
case 1:
{
submission.UpCount--;
double currentScore = submission.UpCount - submission.DownCount;
double submissionAge = Submissions.CalcSubmissionAgeDouble(submission.CreationDate);
double newRank = Ranking.CalculateNewRank(submission.Rank, submissionAge, currentScore);
submission.Rank = newRank;
db.SubmissionVoteTrackers.Remove(previousVote);
db.SaveChanges();
//ResetMessageVote(userName, submissionID);
SendVoteNotification(submission.UserName, "downvote");
}
break;
}
}
}
// a user has either upvoted or downvoted this submission earlier and wishes to reset the vote, delete the record
public static void ResetCommentVote(string userWhichVoted, int commentId)
{
using (var db = new voatEntities())
{
var votingTracker = db.CommentVoteTrackers.FirstOrDefault(b => b.CommentID == commentId && b.UserName == userWhichVoted);
if (votingTracker == null) return;
// delete vote history
db.CommentVoteTrackers.Remove(votingTracker);
db.SaveChanges();
}
}
// submit comment upvote
public static void UpvoteComment(int commentId, string userWhichUpvoted, string clientIpHash)
{
int result = CheckIfVotedComment(userWhichUpvoted, commentId);
using (voatEntities db = new voatEntities())
{
Comment comment = db.Comments.Find(commentId);
if (comment.Submission.IsAnonymized)
{
// do not execute voting, subverse is in anonymized mode
return;
}
switch (result)
{
// never voted before
case 0:
if (comment.UserName != userWhichUpvoted)
{
// check if this IP already voted on the same comment, abort voting if true
var ipVotedAlready = db.CommentVoteTrackers.Where(x => x.CommentID == commentId && x.IPAddress == clientIpHash);
if (ipVotedAlready.Any()) return;
comment.UpCount++;
// register upvote
var tmpVotingTracker = new CommentVoteTracker
{
CommentID = commentId,
UserName = userWhichUpvoted,
VoteStatus = 1,
CreationDate = DateTime.Now,
IPAddress = clientIpHash
};
db.CommentVoteTrackers.Add(tmpVotingTracker);
db.SaveChanges();
Voting.SendVoteNotification(comment.UserName, "upvote");
}
break;
// downvoted before, turn downvote to upvote
case -1:
if (comment.UserName != userWhichUpvoted)
{
comment.UpCount++;
comment.DownCount--;
// register Turn DownVote To UpVote
var votingTracker = db.CommentVoteTrackers.FirstOrDefault(b => b.CommentID == commentId && b.UserName == userWhichUpvoted);
if (votingTracker != null)
{
votingTracker.VoteStatus = 1;
votingTracker.CreationDate = DateTime.Now;
}
db.SaveChanges();
Voting.SendVoteNotification(comment.UserName, "downtoupvote");
}
break;
// upvoted before, reset
case 1:
comment.UpCount--;
db.SaveChanges();
Voting.SendVoteNotification(comment.UserName, "downvote");
ResetCommentVote(userWhichUpvoted, commentId);
break;
}
}
}
// a user has saved this submission earlier and wishes to unsave it, delete the record
private static void UnSaveSubmission(string userWhichSaved, int messageId)
{
using (var db = new voatEntities())
{
var saveTracker = db.Savingtrackers.FirstOrDefault(b => b.MessageId == messageId && b.UserName == userWhichSaved);
if (saveTracker == null) return;
//delete vote history
db.Savingtrackers.Remove(saveTracker);
db.SaveChanges();
}
}
public static async Task SendCommentNotification(Comment comment, Action<string> onSuccess)
{
try
{
using (var _db = new voatEntities())
{
Random _rnd = new Random();
if (comment.ParentId != null && comment.CommentContent != null)
{
// find the parent comment and its author
var parentComment = _db.Comments.Find(comment.ParentId);
if (parentComment != null)
{
// check if recipient exists
if (UserHelper.UserExists(parentComment.Name))
{
// do not send notification if author is the same as comment author
if (parentComment.Name != HttpContext.Current.User.Identity.Name)
{
// send the message
var submission = DataCache.Submission.Retrieve(comment.MessageId);
if (submission != null)
{
var subverse = DataCache.Subverse.Retrieve(submission.Subverse);
var commentReplyNotification = new Commentreplynotification();
commentReplyNotification.CommentId = comment.Id;
commentReplyNotification.SubmissionId = submission.Id;
commentReplyNotification.Recipient = parentComment.Name;
if (submission.Anonymized || subverse.anonymized_mode)
{
commentReplyNotification.Sender = _rnd.Next(10000, 20000).ToString(CultureInfo.InvariantCulture);
}
else
{
commentReplyNotification.Sender = HttpContext.Current.User.Identity.Name;
}
commentReplyNotification.Body = comment.CommentContent;
commentReplyNotification.Subverse = subverse.name;
commentReplyNotification.Status = true;
commentReplyNotification.Timestamp = DateTime.Now;
// self = type 1, url = type 2
commentReplyNotification.Subject = submission.Type == 1 ? submission.Title : submission.Linkdescription;
_db.Commentreplynotifications.Add(commentReplyNotification);
await _db.SaveChangesAsync();
if (onSuccess != null)
{
onSuccess(commentReplyNotification.Recipient);
}
}
}
}
}
}
else
{
// comment reply is sent to a root comment which has no parent id, trigger post reply notification
var submission = DataCache.Submission.Retrieve(comment.MessageId);
if (submission != null)
{
// check if recipient exists
if (UserHelper.UserExists(submission.Name))
{
// do not send notification if author is the same as comment author
if (submission.Name != HttpContext.Current.User.Identity.Name)
{
// send the message
var postReplyNotification = new Postreplynotification();
postReplyNotification.CommentId = comment.Id;
postReplyNotification.SubmissionId = submission.Id;
postReplyNotification.Recipient = submission.Name;
var subverse = DataCache.Subverse.Retrieve(submission.Subverse);
if (submission.Anonymized || subverse.anonymized_mode)
{
postReplyNotification.Sender = _rnd.Next(10000, 20000).ToString(CultureInfo.InvariantCulture);
}
else
{
postReplyNotification.Sender = HttpContext.Current.User.Identity.Name;
}
postReplyNotification.Body = comment.CommentContent;
postReplyNotification.Subverse = submission.Subverse;
postReplyNotification.Status = true;
postReplyNotification.Timestamp = DateTime.Now;
// self = type 1, url = type 2
postReplyNotification.Subject = submission.Type == 1 ? submission.Title : submission.Linkdescription;
_db.Postreplynotifications.Add(postReplyNotification);
await _db.SaveChangesAsync();
if (onSuccess != null)
{
onSuccess(postReplyNotification.Recipient);
}
}
}
}
}
}
}
catch (Exception ex)
{
throw ex;
}
}
