private async Task <int> GetMaxPage(int PageSize)
{
int numProducts = await ClothingDb.GetNumClothing(_context);
int maxPage = Convert.ToInt32(Math.Ceiling((double)numProducts / PageSize));
return(maxPage);
}
private async Task <int> GetMaxPage(int PageSize)
{
int numProducts = await ClothingDb.GetNumClothing(_context);
int maxPage = Convert.ToInt32(Math.Ceiling((double)numProducts / PageSize)); //need to cast a double for dividing of ints, then use Math.ceiling to go to next int up
return(maxPage);
}
[ActionName("Delete")] //workaround because we can't have two methods with the same parameters with the same name
public async Task <IActionResult> DeleteConfirmed(int id)
{
Clothing c = await ClothingDb.GetClothingById(id, _context);
await ClothingDb.Delete(c, _context);
TempData["Message"] = $"{c.Title} deleted successfully";
return(RedirectToAction(nameof(ShowAll))); //turns "ShowAll" into a string
}
private async Task <int> GetMaxPage(int PageSize)
{
int numProducts = await ClothingDb.GetNumClothing(_context) / PageSize;
// round up always, no partial page number (2.1 pages = 3 pages)
int maxPage = Convert.ToInt32(Math.Ceiling((double)numProducts / PageSize));
return(maxPage);
}
public async Task <IActionResult> DeleteConfirmed(int id)
{
Clothing c = await ClothingDb.GetClothingByID(id, _context);
await ClothingDb.Delete(c, _context);
TempData["Msg"] = $"{c.Title} Deleted Successfully.";
return(RedirectToAction(nameof(ShowAll)));
}
public async Task <IActionResult> DeleteConfirmed(int id) /*change the method name, still posting to delete, just calling a different method, work around*/
{
Clothing c = await ClothingDb.GetClothingById(id, _context);
await ClothingDb.Delete(c, _context);
TempData["Message"] = $"{c.Title} deleted successfully";
return(RedirectToAction(nameof(ShowAll)));
}
// Add a single product to the shopping cart.
public async Task <IActionResult> AddToCartAsync(int id, string prevUrl)
{
Clothing c = await ClothingDb.GetClothingById(id, _context);
if (c != null)
{
CartHelper.Add(c, _http);
}
return(Redirect(prevUrl));
}
public async Task <IActionResult> Delete(int id)
{
Clothing c = await ClothingDb.GetClothingById(id, _context);
if (c == null) // If clothing does not exist
{
return(NotFound());
}
return(View(c));
}
public async Task <IActionResult> Edit(Clothing c)
{
if (ModelState.IsValid)
{
await ClothingDb.Edit(c, _context);
//tempData last for one redirect
ViewData["Msg"] = c.Title + " Updated Successfully!"; // <- Same thing, ViewBag
}
return(View(c));
}
private async Task <int> GetMaxPage(int pageSize)
{
int NumProducts = await ClothingDb.GetNumClothing(_context);
//num product and page size are both an int so to get the decimal you must convert to a double
// than to round up you must use Math.Ceiling which is a double so you must convert back to int
int maxPage = Convert.ToInt32
(Math.Ceiling((double)NumProducts / pageSize));
return(maxPage);
}
public async Task <IActionResult> Edit(Clothing c)
{
if (ModelState.IsValid)
{
await ClothingDb.Edit(c, _context);
ViewData["Message"] = c.Title + "Updated successfully";
return(View(c));
}
return(View(c));
}
public async Task <IActionResult> Delete(int id)
{
Clothing c = await ClothingDb.GetClothingByID(id, _context);
//If id does not exist, go to 404 page
if (c == null)
{
return(NotFound());
}
return(View(c));
}
public async Task <IActionResult> Delete(int id)
{
Clothing c = await ClothingDb.GetClothingById(id, _context);
if (c == null) //if clothing is not in the database
{
//returns a HTTP 404 - Not found error
return(NotFound());
}
return(View(c));
}
/// <summary>
/// Adds a single object to the cart.
/// Quantity does not matter if same object added 5 times displayed 5 times.
/// </summary>
public async Task <IActionResult> AddToCart(int id, string prevUrl)
{
//Grab the clothing Object by Id.
Clothing c = await ClothingDb.GetClothingByID(id, _context);
//Add Clothing object to be stored in cookie.
if (c != null)
{
CartHelper.Add(c, _http);
}
//redirect: sends you back to the url you were previously using
return(Redirect(prevUrl));
}
public async Task <IActionResult> Add(Clothing c)
{
if (ModelState.IsValid)
{
await ClothingDb.Add(_context, c);
//Temp data last for one redirect
TempData["Msg"] = $"{c.Title} added successfully!";
return(RedirectToAction("ShowAll"));
}
//Return same view with validation msgs.
return(View(c));
}
public async Task <IActionResult> Add(Clothing c)
{
if (ModelState.IsValid)
{
await ClothingDb.Add(c, _context);
// TempData lasts for one redirect
TempData["Message"] = $"{c.Title} added successfully";
return(RedirectToAction("ShowAll"));
}
// Return same view with error/validation messages
return(View(c));
}
public async Task <IActionResult> Add(Clothing c)
{
if (ModelState.IsValid) //if data is valid
{
await ClothingDb.Add(c, _context); //add to database
//TempData lasts for one redirect
TempData["Message"] = $"{c.Title} added successfully";
return(RedirectToAction("ShowAll"));
}
return(View(c)); //else return the same view with validation error messages
}
public async Task <IActionResult> Edit(int?id)
{
if (id == null)
{ // HTTP 400
return(BadRequest());
}
Clothing c = await ClothingDb.GetClothingById(id.Value, _context); // .Value gets value from a null
if (c == null) // Clothing not in DB
{
return(NotFound()); // Returns a HTTP 404 - Not Found
}
return(View(c));
}
public async Task <IActionResult> ShowAll(int?page) //variable name need to match asp-route name, use a nullable int because don't have a page to begin with
{
const int PageSize = 2;
int pageNumber = page.HasValue ? page.Value : 1;
ViewData["CurrentPage"] = pageNumber;
int maxPage = await GetMaxPage(PageSize);
ViewData["MaxPage"] = maxPage;
List <Clothing> clothes = await ClothingDb.GetClothingByPage(_context, pageNumber, PageSize); //database context is injected by the framework using the constructor makes it so you do have to create new database objects everyone you need it
return(View(clothes));
}
public async Task <IActionResult> ShowAll(int?page)
{
const int PageSize = 2;
// https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/operators/null-coalescing-operator
int pageNumber = page ?? 1;
ViewData["CurrentPage"] = pageNumber;
int maxPage = await GetMaxPage(PageSize);
ViewData["MaxPage"] = maxPage;
List <Clothing> clothes = await ClothingDb.GetClothingByPage(_context, pageNum : pageNumber, pageSize : PageSize);
return(View(clothes));
}
public async Task <IActionResult> Edit(int?id)
{
if (id == null)
{
return(BadRequest());
}
Clothing c =
await ClothingDb.GetClothingByID(id.Value, _context);
if (c == null) //Clothing Not in the Db
{
//returns a Http 404 - Not Found
return(NotFound());
}
return(View(c));
}
public async Task <IActionResult> Edit(int?id)
{
if (id == null)
{
// HTTP 400
return(BadRequest());
}
Clothing c = await ClothingDb.GetClothingById(id.Value, _context);
if (c == null) // Clothing item is not found in the DB
{
return(NotFound()); // returns a HTTP 404 - Not Found
// return RedirectToAction("ShowAll"); // Returns the user to the ShowAll Page
}
return(View(c));
}
public async Task <IActionResult> Search(SearchCriteria search)
{
if (ModelState.IsValid)
{
if (search.IsBeingSearched())
{
await ClothingDb.BuildSearchQuery(search, _context);
return(View(search));
}
else
{
ModelState.AddModelError(string.Empty, "You must search by at least one criteria");
return(View(search));
}
}
return(View());
}
public async Task <IActionResult> Edit(int?id)
{
if (id == null) //returns a HTTP 404 - Not found error
{
//HTTP 400
return(BadRequest());
}
Clothing c = await ClothingDb.GetClothingById(id.Value, _context);
if (c == null)
{
//returns a HTTP 404 - Not found error
return(NotFound());
}
return(View(c));
}
public async Task <IActionResult> ShowAll(int?page)
{
const int PageSize = 2;
// if page is not null, use its value... otherwise use 1
// int pageNumber = page.HasValue ? page.Value : 1;
// NUll
int pageNumber = page ?? 1; // same as above
ViewData["CurrentPage"] = pageNumber;
int maxPage = await GetMaxPage(PageSize);
ViewData["MaxPage"] = maxPage;
List <Clothing> clothes = await ClothingDb.GetClothingByPage(_context, pageNum : pageNumber, pageSize : PageSize);
return(View(clothes));
}
public async Task <IActionResult> ShowAll(int?page)
{
const int PageSize = 2;
// Null-coalescing operator ??
int pageNumber = page ?? 1; //use page number, if not there use 1, C# Null coalescing Operator, look it up
ViewData["CurrentPage"] = pageNumber;
int maxPage = await GetMaxPage(PageSize);
ViewData["MaxPage"] = maxPage;
// Just a placeholder ...
List <Clothing> clothes =
await ClothingDb.GetClothingByPage(_context, pageNum : pageNumber, pageSize : PageSize);
return(View(clothes));
}
public async Task <JsonResult> AddJS(int id)
{
//Get id of clothing
Clothing c = await ClothingDb.GetClothingById(id, _context);
//Add clothing to the cart
if (c == null)
{
//Return not found message
}
CartHelper.Add(c, _http);
//Send success response
JsonResult result = new JsonResult("Success");
result.StatusCode = 200; //Http ok
return(result);
}
public async Task <IActionResult> ShowAll(int?page) //page comes from "asp-route-page" in the ShowAll.cshtml (located in pagination ul)
{
const int PAGE_SIZE = 2;
// Null-coalescing operator: ??
// https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/operators/null-coalescing-operator
int pageNumber = page ?? 1;
ViewData["CurrentPage"] = pageNumber;
int maxPage = await GetMaxPage(PAGE_SIZE);
ViewData["MaxPage"] = maxPage;
List <Clothing> clothes = await ClothingDb.GetClothingByPage(_context, pageNum : pageNumber, pageSize : PAGE_SIZE);
return(View(clothes));
}
public async Task <IActionResult> Edit(int?id)
{
if (id == null)
{
// HTTP 400
return(BadRequest());
}
Clothing c =
await ClothingDb.GetClothingById(id.Value, _context); //context is a field in the controller, hence _context
if (c == null) // Clothing not in the DB
{
// RETURNS A HTTP 404 - nOT FOUND
return(NotFound());
//Redirects to page
//return RedirectToAction("ShowAll");
}
return(View(c));
}
public async Task <IActionResult> Search(SearchCriteria search)
{
//Prepare query: Select * from Clothing.
//Does not get sent to DB.
if (ModelState.IsValid)
{
if (search.IsBeingSearched())
{
await ClothingDb.BuildSearchQuery(search, _context);
return(View(search));
}
else
{
ModelState.AddModelError(string.Empty, "You must search by atleast one criteria.");
return(View(search));
}
}
return(View());
}
