/// <summary>
/// Parse the attribute object and serializes the Certificates objects.
/// </summary>
/// <returns>Task</returns>
/// <param name="obj">Object.</param>
private async Task SaveCertificates(Attribute obj)
{
if (obj.Certificates == null || obj.Certificates.Count == 0)
{
await CreateTableAsync <AttributeCertificateMapping>();
return;
}
//for each certificate in the attribute
foreach (KeyValuePair <string, Certificate> entry in obj.Certificates)
{
await _certMapper.SaveAsync(entry.Value);
//Try to get the one to many mapping between an attributes and its
//certificates, if it already exists
AttributeCertificateMapping attrCert;
if ((attrCert = await GetAttributeCertificateMappingAsync(obj.UID, entry.Value.UID)) == null)
{
//Create the one to many mapping between an attributes and its
//certificates
attrCert = new AttributeCertificateMapping()
{
AttrUID = obj.UID,
CertUID = entry.Value.UID
};
//save the mapping
IMapper <AttributeCertificateMapping> attrCertMapper = new Mapper <AttributeCertificateMapping>(_dbFilePath);
await attrCertMapper.SaveAsync(attrCert);
}
}
}
private async Task <AttributeCertificateMapping> GetAttributeCertificateMappingAsync(int attrUID, int certUID)
{
SQLiteConnection conn = await ConnectToTableAsync <AttributeCertificateMapping>();
return(await Task.Run(() =>
{
AttributeCertificateMapping acMapping = conn
.Table <AttributeCertificateMapping>()
.Where(mapping => mapping.AttrUID == attrUID && mapping.CertUID == certUID).FirstOrDefault();
conn.Close();
return acMapping;
}));
}
