public async Task <ActionResult> Create([FromForm] WebLinkModifyViewModel webLinkViewModel)
{
try
{
var webLink = webLinkViewModel.WebLink;
webLink.Id = Guid.NewGuid();
webLink.CreatedDateTime = DateTime.Now;
webLink.FaviconImageBytes = await LoadFavIcon(webLink.Url);
_context.WebLinks.Add(webLink);
_context.SaveChanges();
//links
foreach (var category in webLinkViewModel.CategoryItems)
{
if (!category.IsSelected)
{
continue;
}
var webLinkCategory = new WebLinkCategory {
WebLinkId = webLink.Id, CategoryId = category.Id
};
_context.WebLinkCategories.Add(webLinkCategory);
_context.SaveChanges();
}
return(RedirectToAction(nameof(Index)));
}
catch
{
return(View());
}
}
public async Task <ActionResult> Edit(Guid id, [FromForm] WebLinkModifyViewModel webLinkViewModel)
{
try
{
var webLink = webLinkViewModel.WebLink;
var originalWebLink = _context.WebLinks.FirstOrDefault(c => c.Id == id);
if (originalWebLink.Url != webLink.Url || originalWebLink.FaviconImageBase64 == string.Empty)
{
originalWebLink.FaviconImageBytes = await LoadFavIcon(webLink.Url);
}
originalWebLink.Name = webLink.Name;
originalWebLink.IsFaviourite = webLink.IsFaviourite;
originalWebLink.IsSingleReadLink = webLink.IsSingleReadLink;
originalWebLink.Url = webLink.Url;
_context.SaveChanges();
//links
foreach (var category in webLinkViewModel.CategoryItems)
{
var existingCategory = _context.WebLinkCategories.FirstOrDefault(wc => wc.WebLinkId == id && wc.CategoryId == category.Id);
if (existingCategory != null)
{
if (category.IsSelected)
{
continue;
}
//remove
_context.WebLinkCategories.Remove(existingCategory);
}
else
{
if (!category.IsSelected)
{
continue;
}
//add
var webLinkCategory = new WebLinkCategory {
WebLinkId = id, CategoryId = category.Id
};
_context.WebLinkCategories.Add(webLinkCategory);
}
_context.SaveChanges();
}
return(RedirectToAction(nameof(Index)));
}
catch
{
return(View());
}
}
public ActionResult Create()
{
var newWebLink = new WebLink {
Id = Guid.NewGuid(), CreatedDateTime = DateTime.Now
};
var newWebLinkViewModel = new WebLinkModifyViewModel {
WebLink = newWebLink
};
newWebLinkViewModel.CategoryItems = _context.Categories.OrderBy(c => c.Name).Select(c => new CategoryItem {
Id = c.Id, Name = c.Name, IsSelected = false
}).ToList();
return(View(newWebLinkViewModel));
}
public ActionResult Details(Guid id)
{
var webLink = _context.WebLinks.FirstOrDefault(c => c.Id == id);
var newWebLinkViewModel = new WebLinkModifyViewModel {
WebLink = webLink
};
newWebLinkViewModel.CategoryItems = _context.Categories.OrderBy(c => c.Name).Select(c => new CategoryItem {
Id = c.Id, Name = c.Name, IsSelected = c.WebLinkCategories.Any(wc => wc.WebLinkId == id)
}).ToList();
if (webLink != null)
{
return(View(newWebLinkViewModel));
}
return(View("Index"));
}
