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 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; } }