public override void OnNavigatedTo(INavigationParameters parameters)
{
switch (parameters.GetNavigationMode())
{
case NavigationMode.Back:
if (parameters.ContainsKey("CategoryBindProp"))
{
var category = parameters["CategoryBindProp"] as CategoryDto;
ListCategoryBindProp.Remove(category);
}
break;
case NavigationMode.New:
break;
case NavigationMode.Forward:
break;
case NavigationMode.Refresh:
break;
default:
break;
}
}
private async void OnSelectCategory(CategoryDto obj)
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
// Thuc hien cong viec tai day
var selectedCategory = ListCategoryBindProp.FindFirst(z => z.IsSelected);
if (selectedCategory != null)
{
selectedCategory.IsSelected = false;
}
obj.IsSelected = true;
CurrentCategory = obj;
InvoiceFrameVisibleBindProp = false;
MenuFrameVisibleBindProp = true;
ItemFrameVisibleBindProp = true;
DiscountFrameVisibleBindProp = false;
SettingFrameVisibleBindProp = false;
}
catch (Exception e)
{
await ShowErrorAsync(e);
}
finally
{
IsBusy = false;
}
}
private async void OnSelectInvoice(InvoiceDto obj)
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
// Thuc hien cong viec tai day
InvoiceBindProp = new InvoiceDto(obj);
TempInvoiceBindProp = obj;
var selectedCategory = ListCategoryBindProp.FirstOrDefault();
selectedCategory.IsSelected = true;
CurrentCategory = selectedCategory;
InvoiceFrameVisibleBindProp = false;
MenuFrameVisibleBindProp = true;
ItemFrameVisibleBindProp = true;
DiscountFrameVisibleBindProp = false;
SettingFrameVisibleBindProp = false;
}
catch (Exception e)
{
await ShowErrorAsync(e);
}
finally
{
IsBusy = false;
}
}
private async void OnAddNewCategory(object obj)
{
IsBusy = true;
try
{
// Thuc hien cong viec tai day
var newCate = new VisualCategoryModel
{
Id = Guid.NewGuid().ToString(),
CategoryName = NewCategoryNameBindProp,
Status = Status.New
};
ListCategoryBindProp.Add(newCate);
NewCategoryNameBindProp = string.Empty;
}
catch (Exception e)
{
await ShowError(e);
}
finally
{
IsBusy = false;
}
}
private async void OnDeleteCategory(object obj)
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
// Thuc hien cong viec tai day
var canDelete = await DisplayDeleteAlertAsync();
if (canDelete)
{
var cate = obj as VisualCategoryModel;
ListCategoryBindProp.Remove(cate);
_listDeleted.Add(cate);
}
}
catch (Exception e)
{
await ShowError(e);
}
finally
{
IsBusy = false;
}
}
private async void OnSelectTable(object obj)
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
// Thuc hien cong viec tai day
if (obj is TableDto)
{
if (InvoiceBindProp == null)
{
InvoiceBindProp = new InvoiceDto();
}
var table = obj as TableDto;
var selectedCategory = ListCategoryBindProp.FirstOrDefault();
selectedCategory.IsSelected = true;
CurrentCategory = selectedCategory;
InvoiceBindProp.Table = table;
InvoiceBindProp.TableId = table.Id;
MenuFrameVisibleBindProp = true;
InvoiceFrameVisibleBindProp = false;
}
else
{
var selectedCategory = ListCategoryBindProp.FirstOrDefault();
if (selectedCategory != null)
{
selectedCategory.IsSelected = false;
}
var selectedZone = ListZoneBindProp.FirstOrDefault();
if (selectedZone != null)
{
selectedZone.IsSelected = true;
CurrentZone = selectedZone;
}
MenuFrameVisibleBindProp = false;
InvoiceFrameVisibleBindProp = true;
ListInvoiceFrameVisibleBindProp = false;
ZoneFrameVisibleBindProp = true;
DiscountFrameVisibleBindProp = false;
}
}
catch (Exception e)
{
await ShowErrorAsync(e);
}
finally
{
IsBusy = false;
}
}
private async void OnAddNewCategory(object obj)
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
// Thuc hien cong viec tai day
var categoryToCreate = new CategoryDto {
Name = "New Category", Icon = FontAwesomeIcon.Coffee
};
var json = JsonConvert.SerializeObject(categoryToCreate);
var content = new StringContent(json, Encoding.UTF8, "application/json");
// Thuc hien cong viec tai day
using (var client = new HttpClient())
{
HttpResponseMessage response = new HttpResponseMessage();
response = await client.PostAsync(Properties.Resources.BaseUrl + "categories/", content);
if (response.IsSuccessStatusCode)
{
var category = JsonConvert.DeserializeObject <CategoryDto>(await response.Content.ReadAsStringAsync());
ListCategoryBindProp.Add(category);
}
};
}
catch (Exception e)
{
await ShowErrorAsync(e);
}
finally
{
IsBusy = false;
}
}
private async void OnSaveInvoice(object obj)
{
IsBusy = true;
try
{
// Thuc hien cong viec tai day
if (!Application.Current.Properties.ContainsKey("session"))
{
await PageDialogService.DisplayAlertAsync("Thông báo", "Chưa bắt đầu phiên làm việc!", "Đồng ý");
await NavigationService.NavigateAsync(nameof(SessionPage));
return;
}
if (InvoiceBindProp.Table == null)
{
await PageDialogService.DisplayAlertAsync("Thông báo", "Chưa chọn bàn!", "Đồng ý");
var selectedCategory = ListCategoryBindProp.FirstOrDefault(z => z.IsSelected);
if (selectedCategory != null)
{
selectedCategory.IsSelected = false;
}
MenuFrameVisibleBindProp = false;
InvoiceFrameVisibleBindProp = true;
ListInvoiceFrameVisibleBindProp = false;
ZoneFrameVisibleBindProp = true;
}
else
{
var invoiceToCreate = new InvoiceForCreateDto(InvoiceBindProp);
var json = JsonConvert.SerializeObject(invoiceToCreate);
var content = new StringContent(json, Encoding.UTF8, "application/json");
// Thuc hien cong viec tai day
using (var client = new HttpClient())
{
HttpResponseMessage response = new HttpResponseMessage();
if (InvoiceBindProp.Id == Guid.Empty)
{
response = await client.PostAsync(Properties.Resources.BaseUrl + "invoices/", content);
}
else
{
response = await client.PutAsync(Properties.Resources.BaseUrl + "invoices/", content);
}
switch (response.StatusCode)
{
case HttpStatusCode.Created:
var invoice = JsonConvert.DeserializeObject <InvoiceDto>(await response.Content.ReadAsStringAsync());
await _connection.InvokeAsync("SendInvoice", invoice);
CurrentZone.IsSelected = false;
CurrentCategory.IsSelected = false;
InvoiceBindProp = null;
MenuFrameVisibleBindProp = false;
ListInvoiceFrameVisibleBindProp = true;
ZoneFrameVisibleBindProp = false;
InvoiceFrameVisibleBindProp = true;
SettingFrameVisibleBindProp = false;
DiscountFrameVisibleBindProp = false;
break;
case HttpStatusCode.NoContent:
await _connection.InvokeAsync("UpdateInvoice", InvoiceBindProp);
TempInvoiceBindProp = InvoiceBindProp;
TempInvoiceBindProp = null;
InvoiceBindProp = null;
CurrentCategory.IsSelected = false;
CurrentZone.IsSelected = false;
MenuFrameVisibleBindProp = false;
ListInvoiceFrameVisibleBindProp = true;
ZoneFrameVisibleBindProp = false;
MenuFrameVisibleBindProp = false;
InvoiceFrameVisibleBindProp = true;
SettingFrameVisibleBindProp = false;
DiscountFrameVisibleBindProp = false;
break;
}
};
}
}
catch (Exception e)
{
await ShowErrorAsync(e);
}
finally
{
IsBusy = false;
}
}
private async void OnSelectFrame(string obj)
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
// Thuc hien cong viec tai day
var selectedCategory = ListCategoryBindProp.FirstOrDefault(z => z.IsSelected);
var selectedZone = ListZoneBindProp.FindFirst(z => z.IsSelected);
switch (obj)
{
case "setting":
if (InvoiceBindProp != null)
{
var ok = await PageDialogService.DisplayAlertAsync("Cảnh báo", "Hủy hóa đơn?", "Đồng ý", "Không");
if (ok)
{
if (selectedCategory != null)
{
selectedCategory.IsSelected = false;
}
MenuFrameVisibleBindProp = false;
InvoiceFrameVisibleBindProp = false;
SettingFrameVisibleBindProp = true;
DiscountFrameVisibleBindProp = false;
InvoiceBindProp = null;
TempInvoiceBindProp = null;
}
}
else
{
MenuFrameVisibleBindProp = false;
InvoiceFrameVisibleBindProp = false;
SettingFrameVisibleBindProp = true;
DiscountFrameVisibleBindProp = false;
}
break;
case "invoice":
if (InvoiceBindProp != null)
{
var ok = await PageDialogService.DisplayAlertAsync("Cảnh báo", "Hủy hóa đơn?", "Đồng ý", "Không");
if (ok)
{
if (selectedZone != null)
{
selectedZone.IsSelected = false;
}
if (selectedCategory != null)
{
selectedCategory.IsSelected = false;
}
InvoiceBindProp = null;
TempInvoiceBindProp = null;
MenuFrameVisibleBindProp = false;
InvoiceFrameVisibleBindProp = true;
SettingFrameVisibleBindProp = false;
DiscountFrameVisibleBindProp = false;
ListInvoiceFrameVisibleBindProp = true;
ZoneFrameVisibleBindProp = false;
}
}
else
{
if (selectedCategory != null)
{
selectedCategory.IsSelected = false;
}
MenuFrameVisibleBindProp = false;
InvoiceFrameVisibleBindProp = true;
SettingFrameVisibleBindProp = false;
DiscountFrameVisibleBindProp = false;
}
break;
case "discount":
if (selectedCategory != null)
{
selectedCategory.IsSelected = false;
}
MenuFrameVisibleBindProp = true;
InvoiceFrameVisibleBindProp = false;
ItemFrameVisibleBindProp = false;
DiscountFrameVisibleBindProp = true;
SettingFrameVisibleBindProp = false;
break;
case "invoicelist":
if (selectedZone != null)
{
selectedZone.IsSelected = false;
}
if (selectedCategory != null)
{
selectedCategory.IsSelected = false;
}
ListInvoiceFrameVisibleBindProp = true;
ZoneFrameVisibleBindProp = false;
break;
default:
break;
}
}
catch (Exception e)
{
await ShowErrorAsync(e);
}
finally
{
IsBusy = false;
}
}
public async override void OnNavigatedTo(INavigationParameters parameters)
{
switch (parameters.GetNavigationMode())
{
case NavigationMode.Back:
if (parameters.ContainsKey("item"))
{
var item = parameters["item"] as ItemForInvoiceDto;
if (InvoiceBindProp == null)
{
InvoiceBindProp = new InvoiceDto();
}
InvoiceBindProp.Items.Add(item);
InvoiceBindProp.TotalPrice += item.Value;
}
if (parameters.ContainsKey(nameof(InvoiceBindProp)))
{
var invoice = parameters[nameof(InvoiceBindProp)] as InvoiceDto;
await _connection.InvokeAsync("DeleteInvoice", InvoiceBindProp.Id);
InvoiceBindProp = null;
TempInvoiceBindProp = null;
}
break;
case NavigationMode.New:
using (var client = new HttpClient())
{
var categoryTask = client.GetAsync(Properties.Resources.BaseUrl + "categories/");
var discountTask = client.GetAsync(Properties.Resources.BaseUrl + "discounts/");
var invoiceTask = client.GetAsync(Properties.Resources.BaseUrl + "invoices/");
var zoneTask = client.GetAsync(Properties.Resources.BaseUrl + "zones/");
var allTasks = new List <Task> {
categoryTask, discountTask, invoiceTask, zoneTask
};
while (allTasks.Any())
{
Task finished = await Task.WhenAny(allTasks);
if (finished == categoryTask)
{
if (categoryTask.Result.IsSuccessStatusCode)
{
var categories = JsonConvert.DeserializeObject <IEnumerable <CategoryDto> >(await categoryTask.Result.Content.ReadAsStringAsync());
foreach (var category in categories)
{
ListCategoryBindProp.Add(category);
}
}
else
{
await PageDialogService.DisplayAlertAsync("Lỗi", $"{await categoryTask.Result.Content.ReadAsStringAsync()}", "Đóng");
}
}
else if (finished == discountTask)
{
if (discountTask.Result.IsSuccessStatusCode)
{
var discounts = JsonConvert.DeserializeObject <IEnumerable <DiscountDto> >(await discountTask.Result.Content.ReadAsStringAsync());
foreach (var discount in discounts)
{
ListDiscountBindProp.Add(discount);
}
}
else
{
await PageDialogService.DisplayAlertAsync("Lỗi", $"{await discountTask.Result.Content.ReadAsStringAsync()}", "Đóng");
}
}
else if (finished == invoiceTask)
{
if (invoiceTask.Result.IsSuccessStatusCode)
{
var invoices = JsonConvert.DeserializeObject <IEnumerable <InvoiceDto> >(await invoiceTask.Result.Content.ReadAsStringAsync());
foreach (var invoice in invoices)
{
ListInvoiceBindProp.Add(invoice);
}
}
else
{
await PageDialogService.DisplayAlertAsync("Lỗi", $"{await invoiceTask.Result.Content.ReadAsStringAsync()}", "Đóng");
}
}
else if (finished == zoneTask)
{
if (zoneTask.Result.IsSuccessStatusCode)
{
var zones = JsonConvert.DeserializeObject <IEnumerable <ZoneDto> >(await zoneTask.Result.Content.ReadAsStringAsync());
foreach (var zone in zones)
{
ListZoneBindProp.Add(zone);
}
}
else
{
await PageDialogService.DisplayAlertAsync("Lỗi", $"{await zoneTask.Result.Content.ReadAsStringAsync()}", "Đóng");
}
}
allTasks.Remove(finished);
}
var id = Xamarin.Essentials.Preferences.Get("token", "token");
var response = await client.GetAsync(Properties.Resources.BaseUrl + "users/" + id);
if (response.IsSuccessStatusCode)
{
var user = JsonConvert.DeserializeObject <UserDto>(await response.Content.ReadAsStringAsync());
CurrentUserBindProp = user;
}
}
break;
case NavigationMode.Forward:
break;
case NavigationMode.Refresh:
break;
default:
break;
}
}
private async void OnSave(object obj)
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
// Thuc hien cong viec tai day
if (IsEditing) //neu dang o che do chinh sua
{
var categoryLogic = new CategoryLogic(_dbContext);
// Kiem tra them xoa sua
foreach (var category in ListCategoryBindProp)
{
switch (category.Status)
{
case Status.New:
var newCategory = new Category
{
Id = category.Id,
CategoryName = category.CategoryName
};
await categoryLogic.CreateAsync(newCategory, false);
break;
case Status.Normal:
break;
case Status.Modified:
var modCategory = new Category
{
Id = category.Id,
CategoryName = category.CategoryName
};
await categoryLogic.UpdateAsync(modCategory, false);
break;
case Status.Deleted:
break;
default:
break;
}
MessagingCenter.Send(category, Messages.CATEGORY_MESSAGE);
}
foreach (var cate in _listDeleted)
{
cate.Status = Status.Deleted;
await categoryLogic.DeleteAsync(cate.Id, false);
MessagingCenter.Send(cate, Messages.CATEGORY_MESSAGE);
}
//neu co nhap category moi thi tao roi quay ve
if (!string.IsNullOrWhiteSpace(NewCategoryNameBindProp))
{
var newCate = new Category
{
Id = Guid.NewGuid().ToString(),
CategoryName = NewCategoryNameBindProp,
};
var newVsCate = new VisualCategoryModel
{
Id = newCate.Id,
CategoryName = newCate.CategoryName,
Status = Status.New
};
await categoryLogic.CreateAsync(newCate, false);
ListCategoryBindProp.Add(newVsCate);
MessagingCenter.Send(newCate, Messages.CATEGORY_MESSAGE);
}
await _dbContext.SaveChangesAsync().ConfigureAwait(false);
await NavigationService.GoBackAsync();
}
else // neu dang o che do binh thuong
{
var categoryLogic = new CategoryLogic(_dbContext);
// Kiem tra them moi
foreach (var category in ListCategoryBindProp)
{
switch (category.Status)
{
case Status.New:
var newCategory = new Category
{
Id = category.Id,
CategoryName = category.CategoryName,
};
await categoryLogic.CreateAsync(newCategory, false);
MessagingCenter.Send(category, Messages.CATEGORY_MESSAGE);
category.Status = Status.Normal;
break;
case Status.Normal:
break;
case Status.Modified:
break;
case Status.Deleted:
break;
}
}
// neu khong nhap gi
if (string.IsNullOrWhiteSpace(NewCategoryNameBindProp))
{
//neu co chon thi tra ve ten category
if (SelectedCategoryBindProp != null)
{
//truyen ten category ve trang tao item
var param = new NavigationParameters();
param.Add(Keys.CATEGORY, SelectedCategoryBindProp);
await _dbContext.SaveChangesAsync().ConfigureAwait(false);
await NavigationService.GoBackAsync(param);
}
else
{
await _dbContext.SaveChangesAsync().ConfigureAwait(false);
return;
}
}
else // tao moi
{
var newCate = new Category
{
Id = Guid.NewGuid().ToString(),
CategoryName = NewCategoryNameBindProp,
};
var newVsCate = new VisualCategoryModel
{
Id = newCate.Id,
CategoryName = newCate.CategoryName,
Status = Status.New
};
await categoryLogic.CreateAsync(newCate, false);
ListCategoryBindProp.Add(newVsCate);
MessagingCenter.Send(newCate, Messages.CATEGORY_MESSAGE);
await _dbContext.SaveChangesAsync().ConfigureAwait(false);
//truyen ten category ve trang tao item
var param = new NavigationParameters();
param.Add(Keys.CATEGORY, newCate);
await NavigationService.GoBackAsync(param);
}
}
}
catch (Exception e)
{
await ShowError(e);
}
finally
{
IsBusy = false;
}
}