/// <summary>
/// Exports company list.
/// </summary>
/// <param name="createNewly">Whether to create company list newly</param>
/// <returns>Company list in JSON format</returns>
public static string ExportList(bool createNewly = false)
{
var companyList = (createNewly || (_companyList == null))
? PowerCompanyList.CreateList()
: _companyList;
return(PowerCompanyList.SerializeList(companyList));
}
/// <summary>
/// Imports company list.
/// </summary>
/// <param name="source">Source company list in JSON format</param>
/// <param name="checkListDate">Whether to check the date of company list</param>
/// <returns>True if successfully imported. False if not.</returns>
public static bool ImportList(string source, bool checkListDate = true)
{
var companyList = PowerCompanyList.DeserializeList(source);
if (companyList == null)
{
return(false);
}
Debug.WriteLine($"ListDate: {companyList.ListDate}");
if (checkListDate && (_companyList != null))
{
if (companyList.ListDate <= _companyList.ListDate)
{
return(false);
}
}
_importedCompanyList = companyList;
return(true);
}
public static string SerializeList(PowerCompanyList companyList)
{
if (companyList == null)
{
return(null);
}
var serializer = new DataContractJsonSerializer(typeof(PowerCompanyList));
try
{
using (var ms = new MemoryStream())
{
serializer.WriteObject(ms, companyList);
return(Encoding.UTF8.GetString(ms.ToArray(), 0, (int)ms.Length));
}
}
catch (Exception ex)
{
Debug.WriteLine($"Failed to serialize company list.\r\n{ex}");
return(null);
}
}