public async Task DisableThemeFeaturesAsync(string themeName)
{
var themes = new Queue <string>();
while (themeName != null)
{
if (themes.Contains(themeName))
{
throw new InvalidOperationException(H["The theme \"{0}\" is already in the stack of themes that need features disabled.", themeName].ToString());
}
var theme = _extensionManager.GetExtension(themeName);
if (theme == null)
{
break;
}
themes.Enqueue(themeName);
themeName = !string.IsNullOrWhiteSpace(theme.Manifest.Name)
? theme.Manifest.Name
: null;
}
var currentTheme = await _siteThemeService.GetCurrentThemeNameAsync();
while (themes.Count > 0)
{
var themeId = themes.Dequeue();
// Not disabling base theme if it's the current theme.
if (themeId != currentTheme)
{
await DisableFeaturesAsync(new[] { themeId }, true);
}
}
}
public async Task <ActionResult> Index()
{
var model = new SelectThemesViewModel
{
SiteThemeName = await _siteThemeService.GetCurrentThemeNameAsync(),
AdminThemeName = await _adminThemeService.GetAdminThemeNameAsync()
};
return(View(model));
}
public async Task <ThemeSelectorResult> GetThemeAsync()
{
string currentThemeName = await _siteThemeService.GetCurrentThemeNameAsync();
if (String.IsNullOrEmpty(currentThemeName))
{
return(null);
}
return(new ThemeSelectorResult
{
Priority = 0,
ThemeName = currentThemeName
});
}
public async Task ProcessDeploymentStepAsync(DeploymentStep step, DeploymentPlanResult result)
{
var themesState = step as ThemesDeploymentStep;
if (themesState == null)
{
return;
}
result.Steps.Add(new JObject(
new JProperty("name", "Themes"),
new JProperty(nameof(ThemeStepModel.Site), await _siteThemeService.GetCurrentThemeNameAsync()),
new JProperty(nameof(ThemeStepModel.Admin), await _adminThemeService.GetAdminThemeNameAsync())
));
}
public async Task <ThemeSelectorResult> GetThemeAsync()
{
var context = _httpContextAccessor.HttpContext;
if (!context.User.IsInRole(RequiredRole))
{
return(null);
}
var currentThemeName = await _siteThemeService.GetCurrentThemeNameAsync();
if (string.IsNullOrEmpty(currentThemeName))
{
return(null);
}
// Try cookies.
context.Request.Cookies.TryGetValue(CookieName, out var themeName);
// Try query string. Query string takes precedence.
context.Request.Query.TryGetValue(QueryStringKey, out var values);
if (!StringValues.IsNullOrEmpty(values))
{
themeName = values.First();
}
if (string.IsNullOrWhiteSpace(themeName))
{
return(null);
}
// Non-persistent cookie. Available only during session.
context.Response.Cookies.Append(CookieName, themeName);
// Priority should override current theme priority, but not admin theme priority.
// Admin Theme Priority = 100
// Current Theme Priority = 0
return(new ThemeSelectorResult {
Priority = Priority,
ThemeName = themeName
});
}