/// <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\.?=%&=\-@/$,]*";
var match = Regex.Match(response, pattern);
if (!match.Success)
{
throw new TwitterException("Unrecognized response.\n Server Response: \n" + response);
}
return(new Uri(match.Value));
}
public static string CalculateUserProfileImagePath(int userId, ProfileImageSize profileImageSize, string fileExtension)
{
return($"{AppConfigurationManager.AppDirectory}\\Users\\{userId}\\ProfileImage\\{profileImageSize.ToString()}{fileExtension}");
}
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);
}
