public async Task <IActionResult> Create(LabThingCreateViewModel ltViewModel)
{
//The Employee and EmployeeID fields must be disregarded in order to determine if the model state is valid
ModelState.Remove("LabThing.Employee");
ModelState.Remove("LabThing.EmployeeId");
//The user is instead obtained by the current authorized user
var user = await GetCurrentUserAsync();
if (ModelState.IsValid)
{
//The Employee Id is declaired using the async method above and established once model state is determined
ltViewModel.LabThing.Employee = user;
_context.Add(ltViewModel.LabThing);
await _context.SaveChangesAsync();
//The routing occurs here instead of in the view because the LabThing id must be created before the redirect occurs
return(RedirectToAction("Index"));
}
//----------------------------------------------------------------------------------------------------
//NOTE: Category dropdown:
//Get category data from the database
var CategoryData = _context.Categories;
List <SelectListItem> CategoriesList = new List <SelectListItem>();
//Include the select option in the category list
CategoriesList.Insert(0, new SelectListItem
{
Text = "Select",
Value = ""
});
foreach (var cat in CategoryData)
{
SelectListItem categoriesList = new SelectListItem
{
Value = cat.ID.ToString(),
Text = cat.Name
};
CategoriesList.Add(categoriesList);
}
;
ltViewModel.Category = CategoriesList;
//----------------------------------------------------------------------------------------------------
//NOTE: Manufacturer dropdown:
var ManufacturerData = _context.Manufacturers;
List <SelectListItem> ManufacturersList = new List <SelectListItem>();
//Include the select option in the manufacturer list
ManufacturersList.Insert(0, new SelectListItem
{
Text = "Select",
Value = ""
});
foreach (var m in ManufacturerData)
{
SelectListItem manufacturersList = new SelectListItem
{
Value = m.ID.ToString(),
Text = m.Name
};
ManufacturersList.Add(manufacturersList);
}
;
ltViewModel.Manufacturer = ManufacturersList;
//----------------------------------------------------------------------------------------------------
//NOTE: Employee dropdown:
var EmployeeData = _context.Employees;
List <SelectListItem> EmployeesList = new List <SelectListItem>();
//Include the select option in the employee list
EmployeesList.Insert(0, new SelectListItem
{
Text = "Select",
Value = ""
});
foreach (var e in EmployeeData)
{
SelectListItem employeesList = new SelectListItem
{
Value = e.Id.ToString(),
Text = e.FirstName
};
EmployeesList.Add(employeesList);
}
;
ltViewModel.Employee = EmployeesList;
//----------------------------------------------------------------------------------------------------
return(View(ltViewModel));
}
//========================================================================================
//GET: LabThings/Create
public IActionResult Create()
{
//-------------------------------------------------------------------------------------------------------
//NOTE: Categories Dropdown:
//NOTE: The variable labThingCreateViewModel is used at the end of all navigation properties to add the nav prop to the view model:
LabThingCreateViewModel labThingCreateViewModel = new LabThingCreateViewModel();
// NOTE: Gets Categories with the LabThing and creates a list
var CategoryData = _context.Categories;
List <SelectListItem> CategoriesList = new List <SelectListItem>();
//NOTE: Adds an empty list item at the first position in the list as a placeholder:
CategoriesList.Insert(0, new SelectListItem
{
Text = "Select",
Value = ""
});
//NOTE: Loops through each item in the list, stores it in categoryItem, and adds it to the categories list created above.
foreach (var cat in CategoryData)
{
SelectListItem categoryItem = new SelectListItem
{
Value = cat.ID.ToString(),
Text = cat.Name
};
CategoriesList.Add(categoryItem);
}
;
labThingCreateViewModel.Category = CategoriesList;
//-------------------------------------------------------------------------------------------------------
//NOTE: Manufacturers Dropdown:
var ManufacturerData = _context.Manufacturers;
List <SelectListItem> ManufacturersList = new List <SelectListItem>();
ManufacturersList.Insert(0, new SelectListItem
{
Text = "Select",
Value = ""
});
foreach (var m in ManufacturerData)
{
SelectListItem manufacturerItem = new SelectListItem
{
Value = m.ID.ToString(),
Text = m.Name
};
ManufacturersList.Add(manufacturerItem);
}
labThingCreateViewModel.Manufacturer = ManufacturersList;
//-------------------------------------------------------------------------------------------------------------
//NOTE: Employee Dropdown:
var EmployeeData = _context.Employees;
List <SelectListItem> EmployeesList = new List <SelectListItem>();
EmployeesList.Insert(0, new SelectListItem
{
Text = "Select",
Value = ""
});
foreach (var e in EmployeeData)
{
SelectListItem employeeItem = new SelectListItem
{
Value = e.Id.ToString(),
Text = e.FirstName
};
EmployeesList.Add(employeeItem);
}
labThingCreateViewModel.Employee = EmployeesList;
return(View(labThingCreateViewModel));
}
