/// <summary>
/// Redirects an administrator from the admin site to Vismas authentication server to get an access token.
/// </summary>
/// <returns>
/// <c>True</c> if it is successful.
/// </returns>
/// <param name="customer">A user gotten from the Visma eAccounting API.</param>
public bool RequestToken()
{
try
{
// Creates a list of scopes needed to access the right token
var scopes = new List <string> {
"offline_access", "ea:api", "ea:sales"
};
// Gets the redirect URI in this application from the web.config file
var redirectUri = new Uri(WebConfigurationManager.AppSettings["RedirectUri"]);
// Creates a new WebServerClient
var client = VismaAuthProvider.CreateClient();
// Requests a brand new access token from Visma
client.RequestUserAuthorization(scopes, redirectUri);
return(true);
}
catch (Exception e)
{
// Creates a new error filer object
var errorLog = new ErrorFiler();
// Logs the error to the error log, with the name of the exception and where it occured
errorLog.WriteError(e.GetType().FullName, "NasBLL, bool AskForToken()");
return(false);
}
}
/// <summary>
/// This is the endpoint of the redirect URI given to Visma, which receives the code to be used for requesting an access token from the authorization server.
/// </summary>
/// <returns>
/// On successful saving of the access token the user is redirected home, or to an error site if something went wrong.
/// </returns>
/// <remarks>
/// <para>The method asks for an authorization token from the server and stores it in the database.</para>
/// </remarks>
public ActionResult Index()
{
var client = VismaAuthProvider.CreateClient();
var state = VismaAuthProvider.RequestAuthorization(client);
var successUpdateVismaToken = _db.UpdateVismaToken(state);
if (successUpdateVismaToken)
{
return(RedirectToAction("Index", "Home"));
}
return(RedirectToAction("Error", "Home"));
}
/// <summary>
/// Requests a list of customers from Visma, using a valid token.
/// </summary>
/// <returns>
/// List of invoices
/// </returns>
public CustomerResponse GetCustomerListFromVisma()
{
// Creates a new WebServerClient
var client = VismaAuthProvider.CreateClient();
// Gets the access token stored in the database
var dbToken = _db.GetToken();
// Sends a request for a list of customers to the Visma eAccounting web api and stores it in the customerList variable
var customerList = VismaAuthProvider.GetProtectedResource <CustomerResponse>(client, dbToken, "/v2/customers");
// Requests a refreshed token from Vismas servers using the refreshtoken from the last token
var refreshedToken = VismaAuthProvider.RequestAuthorizationRefresh(dbToken);
// Updates the token in the database
_db.UpdateVismaToken(refreshedToken);
return(customerList);
}