/// <summary>
/// Load settings
/// </summary>
/// <param name="filePath">File path; pass null to use default settings file path</param>
/// <returns></returns>
public virtual DataSettings LoadSettings(string filePath = null)
{
if (String.IsNullOrEmpty(filePath))
{
filePath = Path.Combine(CommonHelper.MapPath("~/Settings/"), filename);
//throw new Exception(filePath + "hung");
}
if (File.Exists(filePath))
{
string text = File.ReadAllText(filePath);
CacheSettings = ParseSettings(text);
return(CacheSettings);
}
//"name=AppEntities";
CacheSettings = new DataSettings();
return(CacheSettings);
}
public static void Delete()
{
if (s_current?.TenantPath != null)
{
using (s_rwLock.GetWriteLock())
{
string filePath = Path.Combine(CommonHelper.MapPath(s_current.TenantPath), FILENAME);
try
{
File.Delete(filePath);
}
finally
{
s_current = null;
s_installed = null;
}
}
}
}
/// <summary>
/// Save settings to a file
/// </summary>
/// <param name="settings"></param>
public virtual void SaveSettings(DataSettings settings)
{
if (settings == null)
{
throw new ArgumentNullException("settings");
}
string filePath = Path.Combine(CommonHelper.MapPath("~/"), filename);
if (!File.Exists(filePath))
{
using (File.Create(filePath))
{
//we use 'using' to close the file after it's created
}
}
var text = ComposeSettings(settings);
File.WriteAllText(filePath, text);
}
/// <summary>
/// Load data settings
/// </summary>
/// <param name="filePath">File path; pass null to use the default settings file</param>
/// <param name="reloadSettings">Whether to reload data, if they already loaded</param>
/// <param name="fileProvider">File provider</param>
/// <returns>Data settings</returns>
public static DataSettings LoadSettings(string filePath = null, bool reloadSettings = false, INopFileProvider fileProvider = null)
{
if (!reloadSettings && Singleton <DataSettings> .Instance != null)
{
return(Singleton <DataSettings> .Instance);
}
fileProvider = fileProvider ?? CommonHelper.DefaultFileProvider;
filePath = filePath ?? fileProvider.MapPath(NopDataSettingsDefaults.FilePath);
//check whether file exists
if (!fileProvider.FileExists(filePath))
{
//if not, try to parse the file that was used in previous nopCommerce versions
filePath = fileProvider.MapPath(NopDataSettingsDefaults.ObsoleteFilePath);
if (!fileProvider.FileExists(filePath))
{
return(new DataSettings());
}
//get data settings from the old txt file
var dataSettings = new DataSettings();
using (var reader = new StringReader(fileProvider.ReadAllText(filePath, Encoding.UTF8)))
{
string settingsLine;
while ((settingsLine = reader.ReadLine()) != null)
{
var separatorIndex = settingsLine.IndexOf(':');
if (separatorIndex == -1)
{
continue;
}
var key = settingsLine.Substring(0, separatorIndex).Trim();
var value = settingsLine.Substring(separatorIndex + 1).Trim();
switch (key)
{
case "DataProvider":
dataSettings.DataProvider = Enum.TryParse(value, true, out DataProviderType providerType) ? providerType : DataProviderType.Unknown;
continue;
case "DataConnectionString":
dataSettings.DataConnectionString = value;
continue;
default:
dataSettings.RawDataSettings.Add(key, value);
continue;
}
}
}
//save data settings to the new file
SaveSettings(dataSettings, fileProvider);
//and delete the old one
fileProvider.DeleteFile(filePath);
Singleton <DataSettings> .Instance = dataSettings;
return(Singleton <DataSettings> .Instance);
}
var text = fileProvider.ReadAllText(filePath, Encoding.UTF8);
if (string.IsNullOrEmpty(text))
{
return(new DataSettings());
}
//get data settings from the JSON file
Singleton <DataSettings> .Instance = JsonConvert.DeserializeObject <DataSettings>(text);
return(Singleton <DataSettings> .Instance);
}