public async Task <IActionResult> OnPostAsync()
{
if (ModelState.IsValid == false)
{
return(Page());
}
if (CoverPhoto == null || CoverPhoto.Length == 0)
{
return(Content("coverPhoto not selected"));
}
//取得現在的靜態檔案路徑
var path = Path.Combine(Directory.GetCurrentDirectory(), "wwwroot", CoverPhoto.FileName);
await using (var stream = new FileStream(path, FileMode.Create))
{
await CoverPhoto.CopyToAsync(stream);
}
var article = new Article
{
Id = Guid.NewGuid(),
Body = ArticleForPage.Body,
Tags = string.Join(",", ArticleForPage.TagList),
Title = ArticleForPage.Title,
CoverPhoto = path,
CreateDate = CreateDate.Date + CreateTime.TimeOfDay
};
await _context.Articles.AddAsync(article);
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync(Guid?id)
{
if (id == null)
{
return(NotFound());
}
Article = await _context.Articles.FindAsync(id);
if (Article != null)
{
_context.Articles.Remove(Article);
await _context.SaveChangesAsync();
}
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync()
{
if (ModelState.IsValid == false)
{
return(Page());
}
var path = "";
if (CoverPhoto != null && CoverPhoto.Length != 0)
{
//取得現在的靜態檔案路徑
path = Path.Combine(Directory.GetCurrentDirectory(), "wwwroot", CoverPhoto.FileName);
await using var stream = new FileStream(path, FileMode.Create);
await CoverPhoto.CopyToAsync(stream);
}
var article = await UpdateArticle(path);
_context.Attach(article).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!ArticlesExists(ArticleForPage.Id))
{
return(NotFound());
}
throw;
}
return(RedirectToPage("./Index"));
}