本文整理汇总了C#中Voat.Models.voatEntities.SaveChangesAsync方法的典型用法代码示例。如果您正苦于以下问题：C# voatEntities.SaveChangesAsync方法的具体用法？C# voatEntities.SaveChangesAsync怎么用？C# voatEntities.SaveChangesAsync使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Voat.Models.voatEntities的用法示例。
在下文中一共展示了voatEntities.SaveChangesAsync方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: SendUserMentionNotification
public static async Task SendUserMentionNotification(string user, Comment comment)
{
if (comment != null)
{
if (!User.UserExists(user))
{
return;
}
try
{
string recipient = User.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();
}
// get count of unread notifications
int unreadNotifications = User.UnreadTotalNotificationsCount(commentReplyNotification.Recipient);
// send SignalR realtime notification to recipient
var hubContext = GlobalHost.ConnectionManager.GetHubContext<MessagingHub>();
hubContext.Clients.User(commentReplyNotification.Recipient).setNotificationsPending(unreadNotifications);
}
catch (Exception ex) {
throw ex;
}
}
}示例2: MarkPrivateMessagesAsRead
// 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;
}
}
}示例3: ToggleNightMode
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"] = Utils.User.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"] = Utils.User.UserStylePreference(User.Identity.Name);
}
}
Utils.User.SetUserStylePreferenceCookie(newTheme);
Response.StatusCode = 200;
return Json("Toggled Night Mode", JsonRequestBehavior.AllowGet);
}示例4: UserPreferences
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)
{
var newTheme = "light";
// save changes
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();
// apply theme change
newTheme = userPreferences.Night_mode ? "dark" : "light";
//Session["UserTheme"] = Utils.User.UserStylePreference(User.Identity.Name);
}
else
{
// create a new record for this user in userpreferences table
var tmpModel = new Userpreference
{
Disable_custom_css = model.Disable_custom_css,
Night_mode = model.Night_mode,
Clicking_mode = model.OpenLinksInNewTab,
Enable_adult_content = model.Enable_adult_content,
Public_subscriptions = model.Public_subscriptions,
Topmenu_from_subscriptions = model.Topmenu_from_subscriptions,
Username = User.Identity.Name
};
db.Userpreferences.Add(tmpModel);
await db.SaveChangesAsync();
newTheme = userPreferences.Night_mode ? "dark" : "light";
// apply theme change
//Session["UserTheme"] = Utils.User.UserStylePreference(User.Identity.Name);
}
}
//return RedirectToAction("Manage", new { Message = "Your user preferences have been saved." });
Utils.User.SetUserStylePreferenceCookie(newTheme);
return RedirectToAction("Manage");
}示例5: UserPreferencesAbout
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 = 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");
}示例6: SendCommentNotification
public static async Task SendCommentNotification(Comment comment)
{
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 (User.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();
// get count of unread notifications
int unreadNotifications = User.UnreadTotalNotificationsCount(commentReplyNotification.Recipient);
// send SignalR realtime notification to recipient
var hubContext = GlobalHost.ConnectionManager.GetHubContext<MessagingHub>();
hubContext.Clients.User(commentReplyNotification.Recipient).setNotificationsPending(unreadNotifications);
}
}
}
}
}
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 (User.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);
//.........这里部分代码省略.........
示例7: SendUserMentionNotification
public static async Task SendUserMentionNotification(string user, Message message)
{
if (message != null)
{
if (!User.UserExists(user))
{
return;
}
string recipient = User.OriginalUsername(user);
var commentReplyNotification = new Commentreplynotification();
using (var _db = new voatEntities())
{
//commentReplyNotification.CommentId = comment.Id;
commentReplyNotification.SubmissionId = message.Id;
commentReplyNotification.Recipient = recipient;
if (message.Anonymized || message.Subverses.anonymized_mode)
{
commentReplyNotification.Sender = (new Random()).Next(10000, 20000).ToString(CultureInfo.InvariantCulture);
}
else
{
commentReplyNotification.Sender = message.Name;
}
commentReplyNotification.Body = message.MessageContent;
commentReplyNotification.Subverse = message.Subverse;
commentReplyNotification.Status = true;
commentReplyNotification.Timestamp = DateTime.Now;
commentReplyNotification.Subject = String.Format("@{0} mentioned you in post '{1}'", message.Name, message.Title);
_db.Commentreplynotifications.Add(commentReplyNotification);
await _db.SaveChangesAsync();
}
// get count of unread notifications
int unreadNotifications = User.UnreadTotalNotificationsCount(commentReplyNotification.Recipient);
// send SignalR realtime notification to recipient
var hubContext = GlobalHost.ConnectionManager.GetHubContext<MessagingHub>();
hubContext.Clients.User(commentReplyNotification.Recipient).setNotificationsPending(unreadNotifications);
}
}示例8: AddNewSubmission
// 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);
}
// abort if title is < than 10 characters
if (submissionModel.Linkdescription.Length < 10)
{
// ABORT
return ("The title may not be less than 10 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 (User.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);
}
// abort if title less than 10 characters
if (submissionModel.Title.Length < 10)
{
return ("Sorry, the the submission title may not be less than 10 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;
//.........这里部分代码省略.........