// Create an invitation to establish a connection between the agents.
public async Task <JObject> CreateConnectionAsync(Enrollee enrollee)
{
var alias = enrollee.Id.ToString();
var invitation = await _verifiableCredentialClient.CreateInvitationAsync(alias);
var invitationUrl = invitation.Value <string>("invitation_url");
var credentialDefinitionId = await _verifiableCredentialClient.GetCredentialDefinitionIdAsync(SCHEMA_ID);
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(invitationUrl, QRCodeGenerator.ECCLevel.Q);
Base64QRCode qrCode = new Base64QRCode(qrCodeData);
string qrCodeImageAsBase64 = qrCode.GetGraphic(20, "#003366", "#ffffff");
enrollee.Credential = new Credential
{
SchemaId = SCHEMA_ID,
CredentialDefinitionId = credentialDefinitionId,
Alias = alias,
Base64QRCode = qrCodeImageAsBase64
};
var created = await _context.SaveChangesAsync();
if (created < 1)
{
throw new InvalidOperationException("Could not store connection invitation.");
}
// TODO after testing don't need to pass back the invitation
return(invitation);
}
private async Task <int> CreateInvitation(Connection connection)
{
var invitation = await _verifiableCredentialClient.CreateInvitationAsync(connection.PatientId.ToString());
var invitationUrl = invitation.Value <string>("invitation_url");
QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeData qrCodeData = qrGenerator.CreateQrCode(invitationUrl, QRCodeGenerator.ECCLevel.Q);
Base64QRCode qrCode = new Base64QRCode(qrCodeData);
string qrCodeImageAsBase64 = qrCode.GetGraphic(20, "#003366", "#ffffff");
connection.Base64QRCode = qrCodeImageAsBase64;
return(await _context.SaveChangesAsync());
}