public static string GetGravatar(string email, ProfileImageSize imageSize)
{
using (MD5 md5Hash = MD5.Create())
{
return string.Format("http://www.gravatar.com/avatar/{0}?s={1}&d=mm", GetMd5Hash(md5Hash, email), (int)imageSize);
}
}
public static void RemoveUserProfileImage(int userId, ProfileImageSize profileImageSize)
{
var image = GetUserProfileImagePath(userId, profileImageSize);
if (File.Exists(image))
{
File.Delete(image);
}
}
public static string GetUserProfileImagePath(int userId, ProfileImageSize profileImageSize, string fileExtensionsToSearch = "jpeg,png")
{
string path;
if (TryGetUserProfileImagePath(userId, profileImageSize, out path, fileExtensionsToSearch))
{
return(path);
}
throw new FileNotFoundException();
}
public static string FormatProfileImagePath(ProfileImageSize profileImageSize, int imageId, string imageBaseUrl)
{
switch (profileImageSize)
{
case ProfileImageSize.Normal:
return(imageBaseUrl + "profile/normal/" + MagicStrings.FILE_PROFILEIMAGE_PREFIX + imageId + ".png");
case ProfileImageSize.Tiny:
return(imageBaseUrl + "profile/tiny/" + MagicStrings.FILE_PROFILEIMAGE_PREFIX + imageId + ".png");
default: throw new NotImplementedException();
}
}
public bool TryGetProfileImageFilePath(int userId, ProfileImageSize profileImageSize, out string path, out string fileMime)
{
var userHasProfileImage = HasUserProfileImage(userId);
if (userHasProfileImage)
{
path = AppFileManager.GetUserProfileImagePath(userId, profileImageSize);
fileMime = MimeHelper.GetMime(Path.GetExtension(path));
return(true);
}
path = null;
fileMime = null;
return(false);
}
public static bool TryGetUserProfileImagePath(int userId, ProfileImageSize profileImageSize, out string userProfileImagePath, string fileExtensionsToSearch = "jpeg,png")
{
var extensions = fileExtensionsToSearch.Split(',');
foreach (var ext in extensions)
{
var path = $"{AppDirectoryManager.GetUserProfileImageDirectory(userId)}\\{profileImageSize.ToString()}.{ext}";
if (File.Exists(path))
{
userProfileImagePath = path;
return(true);
}
}
userProfileImagePath = null;
return(false);
}
/// <summary>
/// Access the profile image in various sizes for the user with the indicated screenName.
/// If no size is provided the normal image is returned.
/// </summary>
/// <param name="screenName"></param>
/// <param name="profileImageSize"></param>
/// <returns></returns>
/// <remarks>
/// This method should only be used by application developers to lookup or check the profile image URL
/// for a user. This method must not be used as the image source URL presented to users of your application.
/// </remarks>
public Uri RetrieveProfileImageUri(string screenName, ProfileImageSize profileImageSize = ProfileImageSize.Normal)
{
if (String.IsNullOrEmpty(screenName))
{
throw new ArgumentException();
}
var uri = new Uri(this.CommandBaseUri + String.Format("/profile_image/{0}.json?size={1}",
screenName,
profileImageSize.ToString().ToLowerInvariant()));
var response = this.TwitterApi.ExecuteUnauthenticatedRequest(uri);
var pattern = @"(?<Protocol>\w+):\/\/(?<Domain>[\w@][\w.:@]+)\/?[\w\.?=%&=\-@/$,]*";
var match = Regex.Match(response, pattern);
if (!match.Success)
{
throw new TwitterException("Unrecognized response.\n Server Response: \n" + response);
}
return(new Uri(match.Value));
}
public static string GetAnonymousUserIconPhysicalPath(ProfileImageSize profileImageSize)
{
string fileName;
switch (profileImageSize)
{
case ProfileImageSize.Large:
fileName = "user_300x300.png";
break;
case ProfileImageSize.Medium:
fileName = "user_80x80.png";
break;
case ProfileImageSize.Small:
fileName = "user_40x40.png";
break;
default:
fileName = "user_40x40.png";
break;
}
return(HttpContext.Current.Server.MapPath($"~/content/assets/global/img/user/{fileName}"));
}
public static string CalculateUserProfileImagePath(int userId, ProfileImageSize profileImageSize, string fileExtension)
{
return($"{AppConfigurationManager.AppDirectory}\\Users\\{userId}\\ProfileImage\\{profileImageSize.ToString()}{fileExtension}");
}
public static HtmlString LinkedImage(string action, string controller, string id, string userName, string email, ProfileImageSize imageSize)
{
return new HtmlString(string.Format("<a href='/{0}/{1}/{2}'><img src='{3}' alt='{4}' title='{4}' class='img-polaroid' /></a>", controller, id, GenerateSlug(userName), GetGravatar(email, imageSize), userName));
}
