private async Task<bool> SignIn ()
{
var account = new Account {
Username = Username,
Password = Password
};
return await AccountService.Instance.Login (account);
}
public async Task Register (Account account, User user)
{
using (var client = MobileServiceClientFactory.CreateClient ()) {
await client.GetTable<User> ().InsertAsync (user);
}
account.UserId = user.Id;
await Insert (account, false);
}
private async Task ExecuteSignUpUserCommand ()
{
if (IsBusy) {
return;
}
IsBusy = true;
var user = new User {
Name = string.Format ("{0} {1}", FirstName, LastName),
ProfileImage = GravatarService.CalculateUrl (Email)
};
var account = new Account {
Username = Username,
Password = Password,
Email = Email,
UserId = user.Id
};
try
{
DialogService.ShowLoading (Strings.CreatingAccount);
if (await ConnectivityService.IsConnected ()) {
await CreateAccount (account, user);
await SignIn (account);
NavigateToMainUI ();
DialogService.HideLoading ();
} else {
DialogService.ShowError (Strings.NoInternetConnection);
}
}
catch (Exception ex)
{
Insights.Report (ex);
}
IsBusy = false;
}
public async Task<bool> Login ()
{
bool result = false;
try
{
await BlobCache.Secure.Vacuum ();
if (!string.IsNullOrEmpty (AuthenticationToken)) {
var loginInfo = await BlobCache.Secure.GetLoginAsync ();
var account = new Account {
Username = loginInfo.UserName,
Password = loginInfo.Password
};
await Insert (account, true);
Account = await GetCurrentAccount (account);
User = await GetCurrentUser ();
await FriendService.Instance.RefreshFriendsList ();
await FriendService.Instance.RefreshPendingFriendsList ();
var moreInformation = new Dictionary<string, string> {
{ "Name", User.Name },
{ "Email", Account.Email }
};
Xamarin.Insights.Identify(Account.Username, moreInformation);
result = true;
}
}
catch
{
result = false;
}
return result;
}
private async Task CreateAccount (Account account, User user)
{
await AccountService.Instance.Register (account, user);
}
private async Task SignIn (Account account)
{
await AccountService.Instance.Login (account);
}
private async Task<Account> GetCurrentAccount (Account account)
{
using (var handler = new ZumoAuthHeaderHandler ()) {
using (var client = MobileServiceClientFactory.CreateClient (handler)) {
var currentAccount = await client.GetTable <Account> ()
.Where (acct => acct.Username == account.Username)
.Select (acct => acct).ToListAsync ();
return currentAccount [0];
}
}
}
private async Task Insert (Account account, bool isLogin)
{
using (var handler = new AuthenticationHandler ()) {
using (var client = MobileServiceClientFactory.CreateClient (handler)) {
var table = client.GetTable<Account> ();
var parameters = new Dictionary<string, string> {
{ "login", isLogin.ToString ().ToLower ()}
};
await table.InsertAsync (account, parameters);
}
}
}
public async Task<bool> Login (Account account)
{
bool result;
try
{
await Insert (account, true);
Account = await GetCurrentAccount (account);
User = await GetCurrentUser ();
await FriendService.Instance.RefreshFriendsList ();
await FriendService.Instance.RefreshPendingFriendsList ();
await BlobCache.Secure.SaveLogin (account.Username, account.Password, "default",
DateTimeOffset.Now.AddDays (30));
CrossSettings.Current.AddOrUpdateValue<string> ("profileImage", User.ProfileImage);
CrossSettings.Current.AddOrUpdateValue<string> ("profileName", User.Name);
// Store token / credentials
await BlobCache.LocalMachine.InsertObject <string> ("authenticationToken", AccountService.Instance.AuthenticationToken,
DateTimeOffset.Now.AddDays (30));
var moreInformation = new Dictionary <string, string> {
{ "Name", User.Name },
{ "Email", Account.Email }
};
Xamarin.Insights.Identify(Account.Username, moreInformation);
result = true;
}
catch (Exception ex)
{
Xamarin.Insights.Report (ex);
result = false;
}
return result;
}
