/// <summary>
/// Returns the bundle stream for given themes.
/// </summary>
/// <param name="themes">Themes.</param>
/// <returns>Bundle stream.</returns>
public Stream GetBundleStream(UserThemeResult themes = null)
{
int userId = GetUserId();
return(userId > 0 ? ThemeSource.GetBundleStream <UserTheme, UserThemeResult>(
string.Format("~/App_Data/Themes/{0}", userId), GetImportedThemes()) : null);
}
/// <summary>
/// Returns all themes that have been imported earlier from user hard drive.
/// </summary>
/// <returns>Themes.</returns>
public UserThemeResult GetImportedThemes()
{
int userId = GetUserId();
return(userId > 0 ? ThemeSource.GetImportedThemes <UserTheme, UserThemeResult>(
string.Format("~/App_Data/Themes/{0}", userId)) : new UserThemeResult());
}
/// <summary>
/// Returns all themes that have been imported earlier from GitHub repository.
/// </summary>
/// <param name="ensureOnlyFiles">A list of theme file names (without directory information) to treat as white-list - all other files will be deleted.</param>
/// <returns>Themes.</returns>
private GitHubThemeResult GetImportedThemesInternal(IEnumerable <string> ensureOnlyFiles = null)
{
GitHubThemeResult ret = null;
GitHubInMemoryTheme inMemoryTheme = null;
inMemoryTheme = GetUrlSpecifiedTheme();
if (inMemoryTheme != null)
{
ret = new GitHubThemeResult()
{
Themes = new List <GitHubTheme>()
{
new GitHubTheme()
{
Id = inMemoryTheme.Id,
Name = inMemoryTheme.Name
}
},
Checksum = CalculateChecksum(inMemoryTheme)
};
}
else
{
ret = ThemeSource.GetImportedThemes <GitHubTheme, GitHubThemeResult>("~/Assets/css/Themes/", ensureOnlyFiles);
}
return(ret);
}
/// <summary>
/// Returns the theme which is specified via URL.
/// </summary>
/// <returns>Theme.</returns>
private GitHubInMemoryTheme GetUrlSpecifiedTheme()
{
GitHubInMemoryTheme ret = null;
string inMemoryThemeUrl = ThemeSource.GetThemeUrlFromRequest(HttpContext.Current.Request);
if (!string.IsNullOrEmpty(inMemoryThemeUrl))
{
ret = GitHubInMemoryThemeCache.Read();
if (ret == null || string.Compare(inMemoryThemeUrl, ret.Uri, true) != 0)
{
ret = ThemeSource.CreateThemeInstance <GitHubInMemoryTheme>(inMemoryThemeUrl, t =>
{
t.Uri = inMemoryThemeUrl;
t.Content = Encoding.UTF8.GetBytes(ThemeSource.DownloadString(inMemoryThemeUrl));
});
if (ret.Content != null && ret.Content.Length > 0)
{
GitHubInMemoryThemeCache.Update(ret);
}
else
{
ret = null;
}
}
}
return(ret);
}
/// <summary>
/// Returns the bundle stream for given themes.
/// </summary>
/// <param name="themes">Themes.</param>
/// <returns>Bundle stream.</returns>
public Stream GetBundleStream(GitHubThemeResult themes = null)
{
Stream ret = null;
GitHubInMemoryTheme inMemoryTheme = null;
if (themes == null)
{
inMemoryTheme = GetUrlSpecifiedTheme();
if (inMemoryTheme != null)
{
ret = new MemoryStream(inMemoryTheme.Content);
}
}
if (ret == null)
{
if (themes == null)
{
themes = ImportThemes();
}
ret = ThemeSource.GetBundleStream <GitHubTheme, GitHubThemeResult>("~/Assets/css/Themes/", themes);
}
return(ret);
}
/// <summary>
/// Clones the given theme.
/// </summary>
/// <param name="sourceId">An Id of the theme to clone.</param>
/// <param name="name">The name for a new theme.</param>
/// <param name="overrides">Theme overrides.</param>
/// <returns>New theme.</returns>
public UserTheme CloneTheme(string sourceId, string name, ThemeMetadata overrides)
{
UserTheme ret = null;
int userId = GetUserId();
string cssText = string.Empty;
string fullPhysicalPath = string.Empty;
string newId = ThemeSource.MakeId(name);
ThemeMetadata.ExCSSStylesheet stylesheet = null;
string fullPhysicalPathDirectoryName = string.Empty;
string fullPath = string.Format("~/App_Data/Themes/{0}/{1}.css", userId, name);
if (userId > 0)
{
stylesheet = new ThemeMetadata.ExCSSStylesheet(sourceId, ThemeMetadata.ResolveThemeContents(sourceId));
if (overrides != null)
{
stylesheet.FontFamily = overrides.FontFamily;
stylesheet.FontColor = overrides.FontColor;
stylesheet.AccentColor1 = overrides.AccentColor1;
stylesheet.AccentColor2 = overrides.AccentColor2;
stylesheet.AccentColor3 = overrides.AccentColor3;
stylesheet.AccentColor4 = overrides.AccentColor4;
stylesheet.BackgroundColor = overrides.BackgroundColor;
stylesheet.BackgroundImage = overrides.BackgroundImage ?? string.Empty;
stylesheet.Logo = overrides.Logo;
}
cssText = stylesheet.ToString();
cssText = Regex.Replace(cssText, string.Concat("\\.theme-", sourceId), string.Concat(".theme-", newId), RegexOptions.IgnoreCase);
fullPhysicalPath = HttpContext.Current.Server.MapPath(fullPath);
fullPhysicalPathDirectoryName = System.IO.Path.GetDirectoryName(fullPhysicalPath);
if (!System.IO.Directory.Exists(fullPhysicalPathDirectoryName))
{
System.IO.Directory.CreateDirectory(fullPhysicalPathDirectoryName);
}
System.IO.File.WriteAllText(fullPhysicalPath, cssText, System.Text.Encoding.UTF8);
ret = ThemeSource.CreateThemeInstance <UserTheme>(fullPhysicalPath, t => t.PhysicalPath = fullPhysicalPath, true);
}
return(ret);
}
/// <summary>
/// Imports all themes from the underlying context and returns the imported themes.
/// </summary>
/// <returns>Themes.</returns>
public GitHubThemeResult ImportThemes()
{
int modifierIndex = -1;
string[] export = null;
string[] modifiers = null;
GitHubThemeResult ret = null;
string themeFilePath = string.Empty;
string themeContents = string.Empty;
string directoryPath = string.Empty;
HashSet <string> exported = new HashSet <string>();
string baseUrl = "https://raw.githubusercontent.com/spritesapp/sprites-themes/master";
ret = GitHubThemeCache.Read();
if (ret == null)
{
directoryPath = HttpContext.Current.Server.MapPath("~/Assets/css/Themes/");
export = ThemeSource.DownloadString(string.Format("{0}/EXPORT", baseUrl)).Split(new char[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
if (export.Any())
{
if (!Directory.Exists(directoryPath))
{
Directory.CreateDirectory(directoryPath);
}
foreach (string themeFileName in export.Select(e => e.Trim()))
{
if (!string.IsNullOrWhiteSpace(themeFileName) && !themeFileName.StartsWith("#"))
{
modifierIndex = themeFileName.IndexOf('!');
modifiers = modifierIndex > 0 ?
themeFileName.Substring(modifierIndex)
.TrimStart('!')
.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)
.Select(m => m.Trim().ToLowerInvariant())
.ToArray() : null;
themeFilePath = Path.Combine(directoryPath, modifierIndex > 0 ?
themeFileName.Substring(0, modifierIndex).Trim() : themeFileName);
if (!File.Exists(themeFilePath) || (modifiers != null && modifiers.Any(m => string.Compare(m, "force", true) == 0)))
{
themeContents = ThemeSource.DownloadString(string.Format("{0}/lib/{1}", baseUrl, themeFileName));
if (!string.IsNullOrWhiteSpace(themeContents))
{
if (!exported.Contains(themeFileName))
{
exported.Add(themeFileName);
}
if (File.Exists(themeFilePath))
{
File.Delete(themeFilePath);
}
File.WriteAllText(themeFilePath, themeContents, Encoding.UTF8);
}
}
}
}
}
ret = GetImportedThemesInternal(exported);
GitHubThemeCache.Update(ret);
}
return(ret);
}
/// <summary>
/// Returns the bundle stream for given themes.
/// </summary>
/// <typeparam name="TTheme">Theme type.</typeparam>
/// <typeparam name="TThemeResult">Theme result type.</typeparam>
/// <param name="basePath">Base theme path.</param>
/// <param name="themes">Themes.</param>
/// <returns>Bundle stream.</returns>
public static Stream GetBundleStream <TTheme, TThemeResult>(string basePath, TThemeResult themes)
where TThemeResult : ThemeResultBase <TTheme>
where TTheme : ThemeBase
{
Stream ret = null;
string checksum = null;
string bundlePath = null;
Stream themeStream = null;
string directoryPath = null;
string existingBundle = null;
string bundlePhysicalPath = null;
StringBuilder bundleContent = null;
bundleContent = new StringBuilder();
directoryPath = HttpContext.Current.Server.MapPath(basePath);
if (themes != null && themes.Themes != null && themes.Themes.Any())
{
if (!Directory.Exists(directoryPath))
{
Directory.CreateDirectory(directoryPath);
}
checksum = themes.Checksum;
if (string.IsNullOrEmpty(checksum))
{
checksum = ThemeSource.CalculateChecksum(themes.Themes);
}
if (!string.IsNullOrEmpty(checksum))
{
bundlePhysicalPath = Path.Combine(directoryPath, string.Format("{0}.bundle", checksum));
if (!File.Exists(bundlePhysicalPath))
{
lock (_lock)
{
existingBundle = Directory.EnumerateFiles(directoryPath, "*.bundle").FirstOrDefault();
if (!string.IsNullOrEmpty(existingBundle))
{
File.Delete(existingBundle);
}
foreach (TTheme theme in themes.Themes)
{
themeStream = theme.OpenRead();
if (themeStream != null)
{
using (themeStream)
{
using (StreamReader reader = new StreamReader(themeStream))
bundleContent.AppendLine(reader.ReadToEnd()).AppendLine();
}
}
}
if (bundleContent.Length > 0)
{
bundlePath = bundlePhysicalPath;
File.WriteAllText(bundlePhysicalPath, SecureContent(bundleContent.ToString()), Encoding.UTF8);
}
}
}
else
{
bundlePath = bundlePhysicalPath;
}
}
}
ret = !string.IsNullOrEmpty(bundlePath) ? new FileStream(bundlePath, FileMode.Open, FileAccess.Read) : null;
return(ret);
}
