public ActionResult Edit(BillingItemViewModel item)
{
//定位在當初輸入資料的那個值
ViewBag.BillTypes = new SelectList(GlobalCodeMappings.BillTypes, "Key", "Value", item.BillType);
#region Model 檢查
if (!ModelState.IsValid)
{
return(View(item));
}
#endregion
#region 呼叫服務層
try
{
_billingSvc.Edit(item);
return(RedirectToAction("Index"));
}
catch (Exception ex)
{
ModelState.AddModelError(string.Empty, ex.Message);
return(View(item));
}
#endregion
}
public ActionResult Create(BillingItemViewModel item)
{
//定位在當初輸入資料的那個值
//不論 ModelState 是否為 Valid, 都要執行, 不然萬一 Model 驗證失敗, 就沒有 SelectList 可以用, 會造成例外 ...
ViewBag.BillTypes = new SelectList(GlobalCodeMappings.BillTypes, "Key", "Value", item.BillType);
//Thread.Sleep(3 * 1000); //暫停一下, 看效果
#region Model 檢查
if (!ModelState.IsValid)
{
return(View(item));
}
#endregion
#region 呼叫服務層
item.Id = Guid.NewGuid();
_billingSvc.Add(item);
#endregion
#region 回傳結果
return(View());
#endregion
}
public ActionResult Delete(Guid?id)
{
#region 檢查參數
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
#endregion
#region 確認欲刪除的資料是否存在
//這裡必須用 id.Value, 不然編譯會出錯
BillingItemViewModel item = _billingSvc.GetSingle(id.Value);
if (item == null)
{
return(HttpNotFound());
}
#endregion
#region 其它處理
item.BillTypeName = GlobalCodeMappings.BillTypes[item.BillType];
#endregion
#region 回傳結果
return(View(item));
#endregion
}
public ActionResult Edit(Guid?id)
{
#region 檢查參數
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
#endregion
#region 確認欲編輯的資料是否存在
//這裡必須用 id.Value, 不然編譯會出錯
BillingItemViewModel item = _billingSvc.GetSingle(id.Value);
if (item == null)
{
return(HttpNotFound());
}
#endregion
#region 其它處理
//定位在當初輸入資料的那個值
ViewBag.BillTypes = new SelectList(GlobalCodeMappings.BillTypes, "Key", "Value", item.BillType);
#endregion
#region 回傳結果
return(View(item));
#endregion
}
public void Delete(BillingItemViewModel item)
{
//原理: 由資料庫再取一次舊資料, 確認資料存在後, 才作刪除
var oldItem = _billingRep.GetSingle(x => x.Id == item.Id);
if (null == oldItem)
{
throw new Exception("您欲刪除的資料不存在, 請檢查是否已被刪除.");
}
_billingRep.Remove(oldItem);
}
/// <summary>
/// 新增資料
/// </summary>
/// <param name="item"></param>
public void Add(BillingItemViewModel item)
{
//不可在這裡作 using, 萬一新增完後, 要作查詢, 那個 uow 就不見了
//using (uow)
//{
// _billingBo.Add(item);
// uow.Commit();
//}
_billingBo.Add(item);
uow.Commit();
}
public PartialViewResult AddItem(int index)
{
var model = new BillingItemViewModel {
Index = index
};
ViewData.TemplateInfo.HtmlFieldPrefix = string.Format("BillingItems[{0}]", index);
model.Items = _billingContext.GetActiveItems().Select(Map).ToList();
return(PartialView("BillingItemViewModel", model));
}
/// <summary>
/// 新增資料
/// </summary>
/// <param name="item"></param>
public void Add(BillingItemViewModel item)
{
var acc = new AccountBook
{
Id = item.Id,
Categoryyy = item.BillType,
Dateee = item.BillDate,
Amounttt = item.Amount,
Remarkkk = item.Memo
};
_billingRep.Create(acc);
}
public void Edit(BillingItemViewModel item)
{
//註: 因為是網頁線上程式, 不是批次, 最好確認一下前端輸入的資料, 確定資料是否存在, 才作刪除.
// 以本Homework 的功能而言, 效能不是最大的考量因素, 安全性比較需要考慮
//原理: 由資料庫再取一次舊資料, 確認資料存在後, 才作修改
var oldItem = _billingRep.GetSingle(x => x.Id == item.Id);
if (null == oldItem)
{
throw new Exception("您欲修改的資料不存在, 請檢查是否已被刪除.");
}
oldItem.Categoryyy = item.BillType;
oldItem.Dateee = item.BillDate;
oldItem.Amounttt = item.Amount;
oldItem.Remarkkk = item.Memo;
}
public ActionResult Create(int?page)
{
#region 建立初始資料
var obj = new BillingItemViewModel()
{
BillDate = DateTime.Today
};
ViewBag.BillTypes = new SelectList(GlobalCodeMappings.BillTypes, "Key", "Value", -1);
#endregion
#region 回傳結果
return(View(obj));
#endregion
}
/// <summary>
/// 以 Id 作查詢, 取回一筆資料
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public BillingItemViewModel GetSingle(Guid id)
{
var acc = _billingRep.GetSingle(x => x.Id == id);
BillingItemViewModel bill = null;
if (null != acc)
{
//將 Model 轉換為 ViewModel
bill = new BillingItemViewModel
{
Id = acc.Id,
BillType = acc.Categoryyy,
BillDate = acc.Dateee,
Amount = acc.Amounttt,
Memo = acc.Remarkkk
};
}
return(bill);
}
public void Delete(BillingItemViewModel item)
{
_billingBo.Delete(item);
uow.Commit();
}
public void Edit(BillingItemViewModel item)
{
_billingBo.Edit(item);
uow.Commit();
}
public ActionResult CreateWithAjax(BillingItemViewModel item, int?page)
{
//定位在當初輸入資料的那個值
//不論 ModelState 是否為 Valid, 都要執行, 不然萬一 Model 驗證失敗, 就沒有 SelectList 可以用, 會造成例外 ...
ViewBag.BillTypes = new SelectList(GlobalCodeMappings.BillTypes, "Key", "Value", item.BillType);
Thread.Sleep(3 * 1000); //暫停一下, 看效果
#region Model 檢查
if (!ModelState.IsValid)
{
//參考 https://gist.github.com/jpoehls/2230255 取得錯誤的作法
var errors = ModelState
.Where(x => x.Value.Errors.Count > 0)
.Select(d => new AjaxErrorViewModel
{
ClientId = d.Key,
ErrorMessage = d.Value.Errors.FirstOrDefault().ErrorMessage
});
Response.StatusCode = (int)HttpStatusCode.BadRequest;
return(Json(errors));
#region 參考 91 老師的實作方式
//var errorFields = ModelState.Where(d => d.Value.Errors.Any())
// .Select(x => new { x.Key, x.Value.Errors });
//var errors = new List<AjaxErrorViewModel>();
//foreach (var err in errorFields)
//{
// errors.Add(err.Errors.Select(
// d => new AjaxErrorViewModel()
// {
// ClientId = err.Key,
// ErrorMessage = d.ErrorMessage
// }).FirstOrDefault());
//}
//Response.StatusCode = (int)HttpStatusCode.BadRequest;
//return Json(errors);
#endregion
#region 最原始的作法
////不知應該如何處理錯誤訊息 (in AJAX Helper) ...
////有試過 return View("Create", item); 但發現畫面會亂掉
////
//List<string> errors = new List<string>();
//foreach (ModelState err in ModelState.Values)
//{
// foreach (ModelError errmsg in err.Errors)
// {
// errors.Add(errmsg.ErrorMessage);
// }
//}
////以下參考 ...
////http://stackoverflow.com/questions/18763993/send-exception-message-in-ajax-beginform-mvc-4-scenario
//Response.StatusCode = (int)System.Net.HttpStatusCode.BadRequest; //強迫前端執行 OnFailure ...
//return Json(errors);
#endregion
}
#endregion
#region 呼叫服務層
//呼叫 Service 層提供的功能
item.Id = Guid.NewGuid();
_billingSvc.Add(item);
#endregion
#region 分頁處理
int pageNumber = (!page.HasValue ? 1 : (page.Value < 1 ? 1 : page.Value));
var bills = _billingSvc.GetAll();
var onePage = bills.ToPagedList(pageNumber, pageSize);
#endregion
#region 回傳結果
return(PartialView("ListCurrent", onePage));
//return PartialView("ListCurrent", bills);
#endregion
}
