public ActionResult Add(Contact contact, HttpPostedFileBase file)
{
#region step#1 : Fetch Countries and States
var allCountries = new List <Country>();
var allStates = new List <State>();
using (var dbContext = new ContactDbContext())
{
allCountries = dbContext.Countries.OrderBy(c => c.CountryName).ToList();
if (contact.ContactId > 0)
{
// Fetching all the states whose countryId == contact.CountryId (i.e all the states of respective selected country)
allStates = dbContext.States.Where(s => s.CountryId.Equals(contact.CountryId)).OrderBy(s => s.StateName).ToList();
}
}
ViewData["Countries"] = new SelectList(allCountries, "CountryId", "CountryName", contact.CountryId);
ViewData["States"] = new SelectList(allStates, "StateId", "StateName", contact.StateId);
#endregion
#region step#2 : Validate the file if selected
if (file != null)
{
if (file.ContentLength > (512 * 1000)) // if file size > then 512KB
{
ModelState.AddModelError("FileErrorMessage", "File size must be within 512KB");
}
bool isFileTypeValid = false;
isFileTypeValid = ContactDbRepository.ValidateFileType(file);
if (isFileTypeValid == false)
{
ModelState.AddModelError("FileErrorMessage", "only .png , .gif, .jpeg , .jpg file types are allowed");
}
}
#endregion
#region step#3 : Validate Model and Save the data into the database
if (ModelState.IsValid)
{
if (file != null)
{
string targetPath = Server.MapPath("~/Content/Images");
ContactDbRepository.SaveImageFile(contact, file, targetPath);
}
ContactDbRepository.AddContact(contact); // adding and saving contact data into database
return(RedirectToAction("AllContacts", "Home"));
}
#endregion
return(View(contact));
}
