async Task SignIn()
{
try
{
IsBusy = true;
Message = "登录中...(Signing In...)";
if (string.IsNullOrEmpty(currUser.username) || string.IsNullOrEmpty(currUser.password))
{
Message = "请输入用户名／口令(Please input username/password)";
}
else
{
App.ResetCookie();
var cookie = await TheLoginDataStore.DoLogin(currUser.username, currUser.password);
if (cookie != null)
{
Settings.Cookie = cookie.cookie_name + "=" + cookie.cookie;
Settings.UserId = cookie.user.id;
MyHttpClient.Instance.SetCookie();
App.GoToMainPage();
}
}
}
catch (Exception ex)
{
Message = ErrorMessage.GetMessage(ex.Message);
}
finally
{
IsBusy = false;
}
}
async void Save_Clicked(object sender, System.EventArgs e)
{
viewModel.CurrentUser.phone = txtPhone.Text;
viewModel.CurrentUser.address = txtAddress.Text;
try
{
await viewModel.SaveCurrentUserInfo();
await DisplayAlert("", "保存成功(Save succeed!)", "确定(OK)");
}
catch (System.Exception ex)
{
await DisplayAlert("", ErrorMessage.GetMessage(ex.Message), "确定(OK)");
}
}
async void Delete_Clicked(object sender, System.EventArgs e)
{
try
{
await viewModel.Delete();
MessagingCenter.Send(this, "DeleteItem", viewModel.Item);
await DisplayAlert("", "删除成功(succeed!)", "确认(OK)");
await Navigation.PopToRootAsync();
}
catch (System.Exception ex)
{
await DisplayAlert("", ErrorMessage.GetMessage(ex.Message), "确认(OK)");
}
}
protected override async void OnAppearing()
{
base.OnAppearing();
try
{
await viewModel.InitOptions();
if (viewModel.CurrentUser != null)
{
txtPhone.Text = viewModel.CurrentUser.phone;
txtAddress.Text = viewModel.CurrentUser.address;
lblUserName.Text = viewModel.CurrentUser.username;
lblEmail.Text = viewModel.CurrentUser.email;
}
}
catch (System.Exception ex)
{
await DisplayAlert("", ErrorMessage.GetMessage(ex.Message), "确定(OK)");
}
}
async void OnItemSelected(object sender, SelectedItemChangedEventArgs args)
{
var item = args.SelectedItem as Property;
if (item == null)
{
return;
}
try
{
Property newProperty = await viewModel.RefreshProperty(item);
await Navigation.PushAsync(new ItemDetailPage(new ItemDetailViewModel(newProperty)));
}
catch (System.Exception ex)
{
await DisplayAlert("", ErrorMessage.GetMessage(ex.Message), "确定(OK)");
}
// Manually deselect item
ItemsListView.SelectedItem = null;
}
public async Task ExecuteLoadItemsCommand()
{
if (IsBusy || (Items.Count > 0))
{
return;
}
IsBusy = true;
try
{
await InitOptions();
var items = await ThePropertyDataStore.GetItemsAsync(null);
Items.ReplaceRange(items);
}
catch (Exception ex)
{
if (ex.Message == ErrorMessage.NotLogin)
{
App.Reload();
}
else
{
MessagingCenter.Send(new MessagingCenterAlert
{
Title = "",
Message = ErrorMessage.GetMessage(ex.Message),
Cancel = "确定(OK)"
}, "message");
}
}
finally
{
IsBusy = false;
}
}
public async Task <bool> Save()
{
if (IsBusy)
{
return(false);
}
IsBusy = true;
Message = string.Empty;
if (String.IsNullOrEmpty(Item.title))
{
Message += "请输入标题(please input title)";
}
if (String.IsNullOrEmpty(Item.content))
{
Message += "\r\n请输入内容(please input content)";
}
if (_bufferPath.Count == 0)
{
Message += "\r\n请上传图片(please upload pictures)";
}
if (String.IsNullOrEmpty(Item.address))
{
Message += "\r\n请输入地址(please input address)";
}
if (!string.IsNullOrEmpty(Message))
{
IsBusy = false;
return(false);
}
try
{
Message = "正在连接服务器(connecting)...";
string id = await ThePropertyDataStore.AddItemAsync(Item);
int i = 0;
Item.attachments = new List <Attachment>();
foreach (string str in _bufferPath)
{
if (str == string.Empty)
{
break;
}
Message = String.Format("上传第{0}张图片(uploading image {0})", i + 1);
await TheMediaDataStore.UploadImage(str, id, i.ToString());
i++;
}
if (Item.address != App.CurrentUser.address)
{
App.CurrentUser.address = Item.address.Trim();
await TheLoginDataStore.SaveCurrentUser(App.CurrentUser);
}
Item = await ThePropertyDataStore.GetItem(id);
return(true);
}
catch (System.Exception ex)
{
Message = ErrorMessage.GetMessage(ex.Message);
IsBusy = false;
return(false);
}
finally
{
IsBusy = false;
Message = string.Empty;
}
}