本文整理汇总了C#中Voat.Models.whoaverseEntities.SaveChangesAsync方法的典型用法代码示例。如果您正苦于以下问题：C# whoaverseEntities.SaveChangesAsync方法的具体用法？C# whoaverseEntities.SaveChangesAsync怎么用？C# whoaverseEntities.SaveChangesAsync使用的例子？那么恭喜您, 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.whoaverseEntities的用法示例。
在下文中一共展示了whoaverseEntities.SaveChangesAsync方法的4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: 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 whoaverseEntities())
{
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2: ToggleNightMode
public async Task<ActionResult> ToggleNightMode()
{
// save changes
using (var db = new whoaverseEntities())
{
var userPreferences = db.Userpreferences.Find(User.Identity.Name);
if (userPreferences != null)
{
// modify existing preferences
userPreferences.Night_mode = !userPreferences.Night_mode;
await db.SaveChangesAsync();
// 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
Session["UserTheme"] = Utils.User.UserStylePreference(User.Identity.Name);
}
}
Response.StatusCode = 200;
return Json("Toggled Night Mode", JsonRequestBehavior.AllowGet);
}示例3: 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)
{
// save changes
using (var db = new whoaverseEntities())
{
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
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();
// apply theme change
Session["UserTheme"] = Utils.User.UserStylePreference(User.Identity.Name);
}
}
//return RedirectToAction("Manage", new { Message = "Your user preferences have been saved." });
return RedirectToAction("Manage");
}示例4: UserPreferencesAbout
public async Task<ActionResult> UserPreferencesAbout([Bind(Include = "Shortbio, Avatarfile")] UserAboutViewModel model)
{
// save changes
using (var db = new whoaverseEntities())
{
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");
}