public static bool UpdateSettings(SiteSettings newSettings)
{
// write settings to code or db
// update Application-wide settings, only over-writing settings that users should edit
lock (ClassifiedsHttpApplication.ClassifiedsApplicationSettings)
{
// Forms must be activated before appearing on the site
ClassifiedsHttpApplication.ClassifiedsApplicationSettings.AdActivationRequired = newSettings.AdActivationRequired;
// Store Photos in Database
ClassifiedsHttpApplication.ClassifiedsApplicationSettings.StorePhotosInDatabase = newSettings.StorePhotosInDatabase;
// ... else: use the following directory to save uploaded Photos:
ClassifiedsHttpApplication.ClassifiedsApplicationSettings.ServerPhotoUploadDirectory = newSettings.ServerPhotoUploadDirectory;
// Maximum Number of Photos to Upload
ClassifiedsHttpApplication.ClassifiedsApplicationSettings.MaxPhotosPerAd = newSettings.MaxPhotosPerAd;
// Maximum Number of Days for which an Form is active
ClassifiedsHttpApplication.ClassifiedsApplicationSettings.MaxAdRunningDays = newSettings.MaxAdRunningDays;
// Allow Users to edit their own Forms
ClassifiedsHttpApplication.ClassifiedsApplicationSettings.AllowUsersToEditAds = newSettings.AllowUsersToEditAds;
// Users to delete ads direclty in the database
ClassifiedsHttpApplication.ClassifiedsApplicationSettings.AllowUsersToDeleteAdsInDB = newSettings.AllowUsersToDeleteAdsInDB;
// Notifications to Administrators
ClassifiedsHttpApplication.ClassifiedsApplicationSettings.AdminNotification = newSettings.AdminNotification;
// Site Name
ClassifiedsHttpApplication.ClassifiedsApplicationSettings.SiteName = newSettings.SiteName;
// Contact Email Address for Site
ClassifiedsHttpApplication.ClassifiedsApplicationSettings.SiteEmailAddress = newSettings.SiteEmailAddress;
// Serialize to Xml Config File
return SaveToXml(ClassifiedsHttpApplication.ClassifiedsApplicationSettings);
}
}
private static bool SaveToXml(SiteSettings settings)
{
if (settings == null)
return false;
HttpContext context = HttpContext.Current;
if (context == null)
return false;
string configPath = context.Server.MapPath(XmlConfigFile);
XmlSerializer xml = null;
System.IO.FileStream fs = null;
bool success = false;
int numAttempts = 0;
while (!success && numAttempts < 2)
{
try
{
numAttempts++;
xml = new XmlSerializer(typeof(SiteSettings));
fs = new FileStream(configPath, FileMode.Create, FileAccess.ReadWrite, FileShare.None);
xml.Serialize(fs, settings);
success = true;
}
catch
{
// if an exception is thrown, there might have been a sharing violation;
// we wait and try again (max: two attempts)
success = false;
System.Threading.Thread.Sleep(1000);
}
}
if (fs != null)
fs.Close();
return success;
}
public static SiteSettings LoadFromConfiguration()
{
SiteSettings s = LoadFromXml();
if (s == null)
{
s = new SiteSettings();
s.MaxPhotosPerAd = 5;
s.StorePhotosInDatabase = true;
s.ServerPhotoUploadDirectory = "Upload";
s.AdActivationRequired = false;
s.AllowUsersToEditAds = true;
s.AllowUsersToDeleteAdsInDB = true;
s.MaxAdRunningDays = 21;
s.AdminNotification = AdminNotificationSetting.None;
s.SiteName = "ASP.NET Classifieds";
s.SiteEmailAddress = "*****@*****.**";
SaveToXml(s);
}
return s;
}