public async Task <IActionResult> Edit(int id, CreateTopic_ViewModel topic)
{
#region Check Availability
if (id != topic.Id)
{
return(NotFound());
}
#endregion
#region Put Process
if (ModelState.IsValid)
{
try
{
#region Image Checking Process
if (topic.Image != null)
{
if (topic.Image.FileName != topic.ImageLink)
{
Helpers.Methods.DeleteItem(topic.ImageLink);
}
Helpers.Methods.CreateItem(topic.Image);
}
#endregion
#region Save New Data
_context.Update(CreateNewTopicObject(topic));
await _context.SaveChangesAsync();
#endregion
}
catch (DbUpdateConcurrencyException)
{
#region Catching
if (!TopicExists(topic.Id))
{
return(NotFound());
}
else
{
throw;
}
#endregion
}
return(RedirectToAction(nameof(Index)));
}
#endregion
return(View(topic));
}
public async Task <IActionResult> Create(CreateTopic_ViewModel topic)
{
if (topic.Type == null)
{
if (topic.Image != null)
{
Helpers.Methods.CreateItem(topic.Image);
}
else
{
return(NotFound());
}
if (ModelState.IsValid)
{
_context.Add(CreateNewTopicObject(topic));
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
}
return(RedirectToAction(nameof(Index)));
}
private Topic CreateNewTopicObject(CreateTopic_ViewModel topic)
{
return(new Topic()
{
Id = topic.Id != default ? topic.Id : default,