/// <summary>
/// This function creates an invoice link based on the given parameters as an invoice from the program
/// </summary>
/// <param name="invoice">All paramters that are related to invoice</param>
/// <returns>Link to the invoice of SADDED. The customer should be redirected to this link.</returns>
public InvoiceResponse createInvoiceLink(CreateInvoiceRequest invoice)
{
SetEssentialParameters(invoice);
InvoiceResponse validationResponse = IsValidCreateInvoiceLinkRequest(invoice);
if (validationResponse.ErrorCode == 0)
{
string uri = _url + EndPoints.InvoiceCreate;
string response = HttpPost(uri, JsonConvert.SerializeObject(invoice));
return(JsonConvert.DeserializeObject <InvoiceResponse>(response));
}
return(validationResponse);
}
/// <summary>
/// This function validates invoice create request
/// </summary>
/// <param name="invoice">All paramters that are related to invoice</param>
/// <returns>InvoiceResponse containing error messages if any</returns>
private InvoiceResponse IsValidCreateInvoiceLinkRequest(CreateInvoiceRequest invoice)
{
List <string> listOfErrors = new List <string>();
if (invoice.Amount <= 0)
{
listOfErrors.Add("Amount must be greater than zero");
}
if (invoice.Date == DateTime.MinValue)
{
listOfErrors.Add("Date is missing");
}
if (string.IsNullOrEmpty(invoice.Email) && invoice.NotificationMode.Equals((int)NotificationMode.Email))
{
listOfErrors.Add("Email is missing");
}
if (!string.IsNullOrEmpty(invoice.Email))
{
MailAddress mailAddress = new MailAddress(invoice.Email);
if (mailAddress.Address != invoice.Email && invoice.NotificationMode.Equals((int)NotificationMode.Email))
{
listOfErrors.Add("Email address is invalid");
}
}
if (string.IsNullOrEmpty(invoice.Msisdn) && invoice.NotificationMode.Equals((int)NotificationMode.SMS))
{
listOfErrors.Add("Msisdn is missing");
}
if (invoice.NotificationMode.Equals((int)NotificationMode.Online) && string.IsNullOrEmpty(invoice.Msisdn) && string.IsNullOrEmpty(invoice.Email))
{
listOfErrors.Add("Msisdn or Email is missing");
}
if (string.IsNullOrEmpty(invoice.CustomerName))
{
listOfErrors.Add("CustomerName is missing");
}
if (invoice.NotificationMode.Equals((int)NotificationMode.Online))
{
if (string.IsNullOrEmpty(invoice.SuccessUrl))
{
listOfErrors.Add("SuccessUrl is missing");
}
if (string.IsNullOrEmpty(invoice.ErrorUrl))
{
listOfErrors.Add("ErrorUrl is missing");
}
}
InvoiceResponse validationResponse = new InvoiceResponse()
{
ErrorCode = 0
};
if (listOfErrors.Count != 0)
{
validationResponse.ErrorCode = 102; // missing parameters error code
validationResponse.ErrorMessage = string.Join(" | ", listOfErrors.ToArray());
}
return(validationResponse);
}