public ActionResult DeleteConfirmed(int id)
{
tbl_blog tbl_blog = db.tbl_blog.Find(id);
db.tbl_blog.Remove(tbl_blog);
db.SaveChanges();
return(RedirectToAction("Index"));
}
/// <summary>
/// 新增博客
/// </summary>
/// <param name="dto"></param>
/// <returns></returns>
public async Task <CommonResultDto <string> > Post(BlogAddDto dto)
{
using (await _context.Database.BeginTransactionAsync())
{
System.ComponentModel.NullableConverter nullableDateTime = new System.ComponentModel.NullableConverter(typeof(DateTime?));
string blogContentId = Guid.NewGuid().ToString();
string blogId = Guid.NewGuid().ToString();
tbl_blog_content tbl_content = new tbl_blog_content
{
Id = blogContentId,
Content = dto.Content
};
tbl_blog tbl_blog = new tbl_blog
{
Id = blogId,
Title = dto.Title,
ContentId = blogContentId,
Remark = dto.Remark,
CategoryId = dto.CategoryId,
PicUrl = dto.PicUrl,
ViewTimes = 0,
LikeTimes = 0,
State = dto.State == "1" ? '1' : '2', //状态（枚举类型 1未发布 2已发布）
CreateAt = DateTime.Now,
PublishAt = dto.State == "2" ? DateTime.Now : (DateTime?)nullableDateTime.ConvertFromString(null),
DeleteAt = null
};
List <tbl_blog_tag_relation> relationList = new List <tbl_blog_tag_relation>();
foreach (var item in dto.TagIdList)
{
relationList.Add(new tbl_blog_tag_relation
{
Id = Guid.NewGuid().ToString(),
BlogId = blogId,
TagId = item
});
}
await _context.tbl_blog.AddAsync(tbl_blog);
await _context.tbl_blog_content.AddAsync(tbl_content);
await _context.tbl_blog_tag_relation.AddRangeAsync(relationList);
await _context.SaveChangesAsync();
_context.Database.CommitTransaction();
return(new CommonResultDto <string> {
Msg = "新增成功", Success = true
});
}
}
public ActionResult Edit([Bind(Include = "blog_id,blog_datetime,blog_groupid,blog_createdby,blog_img,blog_title,blog_body")] tbl_blog tbl_blog)
{
if (ModelState.IsValid)
{
db.Entry(tbl_blog).State = EntityState.Modified;
db.SaveChanges();
return(RedirectToAction("Index"));
}
ViewBag.blog_groupid = new SelectList(db.tbl_group, "group_id", "group_id", tbl_blog.blog_groupid);
ViewBag.blog_createdby = new SelectList(db.tbl_member, "mem_id", "mem_name", tbl_blog.blog_createdby);
return(View(tbl_blog));
}
/// <summary>
/// 发布博客
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public async Task <CommonResultDto <string> > ReleaseBlog(string id)
{
tbl_blog blog = await _context.tbl_blog.FirstOrDefaultAsync(i => i.Id == id);
blog.State = '2';
_context.tbl_blog.Update(blog);
await _context.SaveChangesAsync();
return(new CommonResultDto <string> {
Msg = "发布成功", Success = true
});
}
// GET: tbl_blog/Details/5
public ActionResult Details(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
tbl_blog tbl_blog = db.tbl_blog.Find(id);
if (tbl_blog == null)
{
return(HttpNotFound());
}
return(View(tbl_blog));
}
/// <summary>
/// 点赞
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public async Task <CommonResultDto <string> > Like(string id)
{
tbl_blog tbl = await _context.tbl_blog.FirstOrDefaultAsync(i => i.Id == id);
if (tbl != null)
{
++tbl.LikeTimes;
}
_context.tbl_blog.Update(tbl);
await _context.SaveChangesAsync();
return(new CommonResultDto <string> {
Msg = "点赞成功", Success = true
});
}
// GET: tbl_blog/Edit/5
public ActionResult Edit(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
tbl_blog tbl_blog = db.tbl_blog.Find(id);
if (tbl_blog == null)
{
return(HttpNotFound());
}
ViewBag.blog_groupid = new SelectList(db.tbl_group, "group_id", "group_id", tbl_blog.blog_groupid);
ViewBag.blog_createdby = new SelectList(db.tbl_member, "mem_id", "mem_name", tbl_blog.blog_createdby);
return(View(tbl_blog));
}
/// <summary>
/// 更新博客
/// </summary>
/// <param name="dto"></param>
/// <returns></returns>
public async Task <CommonResultDto <string> > Update(BlogUpdateDto dto)
{
using (await _context.Database.BeginTransactionAsync())
{
tbl_blog blog = await _context.tbl_blog.FirstOrDefaultAsync(i => i.Id == dto.Id);
tbl_blog_content content = await _context.tbl_blog_content.FirstOrDefaultAsync(i => i.Id == blog.ContentId);
List <tbl_blog_tag_relation> tagRelations = await _context.tbl_blog_tag_relation.Where(i => i.BlogId == dto.Id).ToListAsync();
List <tbl_blog_tag_relation> insertTags = new List <tbl_blog_tag_relation>();
foreach (var tagId in dto.TagIdList)
{
insertTags.Add(new tbl_blog_tag_relation
{
Id = Guid.NewGuid().ToString(),
BlogId = dto.Id,
TagId = tagId
});
}
blog.Title = dto.Title;
blog.PicUrl = dto.PicUrl;
blog.CategoryId = dto.CategoryId;
blog.UpdateAt = DateTime.Now;
_context.tbl_blog.Update(blog);
content.Content = dto.Content;
_context.tbl_blog_content.Update(content);
_context.tbl_blog_tag_relation.RemoveRange(tagRelations);
await _context.tbl_blog_tag_relation.AddRangeAsync(insertTags);
await _context.SaveChangesAsync();
_context.Database.CommitTransaction();
return(new CommonResultDto <string> {
Msg = "更新成功", Success = true
});
}
}
/// <summary>
/// 删除博客
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public async Task <CommonResultDto <string> > Delete(string id)
{
using (await _context.Database.BeginTransactionAsync())
{
tbl_blog tbl = await _context.tbl_blog.FirstOrDefaultAsync(i => i.Id == id);
tbl.DeleteAt = DateTime.Now;
_context.tbl_blog.Update(tbl);
////删除博客内容
//tbl_blog_content tbl_content = await _context.tbl_blog_content.FirstOrDefaultAsync(i => i.Id == tbl.ContentId);
//_context.tbl_blog_content.Remove(tbl_content);
////删除博客标签管理表数据
//IEnumerable<tbl_blog_tag_relation> tbl_tag_relations = _context.tbl_blog_tag_relation.Where(i => i.BlogId == id);
//_context.tbl_blog_tag_relation.RemoveRange(tbl_tag_relations);
await _context.SaveChangesAsync();
_context.Database.CommitTransaction();
return(new CommonResultDto <string> {
Msg = "更新成功", Success = true
});
}
}
public ActionResult Create(tbl_blog tbl_Blog, HttpPostedFileBase imagefile, int id)
{
string path = uploadingfile(imagefile);
if (path.Equals("-1"))
{
ViewBag.error = "Image could not be uploaded....";
}
else
{
int memid = Convert.ToInt32(Session["mem_id"]);
tbl_blog blog = new tbl_blog();
blog.blog_datetime = DateTime.Now;
blog.blog_groupid = id;
blog.blog_createdby = memid;
blog.blog_img = path;
blog.blog_title = tbl_Blog.blog_title;
blog.blog_body = tbl_Blog.blog_body;
db.tbl_blog.Add(blog);
db.SaveChanges();
return(RedirectToAction("Details", "Home", new { id = id }));
}
return(View());
}
/// <summary>
/// 查看博客详情
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public async Task <CommonResultDto <BlogViewDto> > BlogDetail(string id)
{
List <tbl_blog> list = _context.tbl_blog.Where(i => i.DeleteAt == null).ToList();
List <BlogListViewDto> commentGroup = await(from a in _context.tbl_comment
group a by a.BlogId into g
select new BlogListViewDto
{
Id = g.Key,
CommentTimes = g.Count()
}).ToListAsync();
var qry = (from a in list
join b in _context.tbl_blog_content
on a.ContentId equals b.Id
join c in _context.tbl_category
on a.CategoryId equals c.Id
join d in commentGroup
on a.Id equals d.Id into temp
from g in temp.DefaultIfEmpty()
where a.Id == id
select new BlogViewDto
{
Title = a.Title,
PicUrl = a.PicUrl,
Content = b.Content,
Remark = a.Remark,
CategoryName = c.Name,
CreateAt = a.CreateAt,
ViewTimes = a.ViewTimes,
LikeTimes = a.LikeTimes,
CommentTimes = g == null ? 0 : g.CommentTimes //_context.tbl_comment.Count(i => i.BlogId == a.Id)
}).ToList();
BlogViewDto rlt = qry.FirstOrDefault();
IQueryable <TagViewDto> tagRlt = (from a in _context.tbl_blog_tag_relation
join b in _context.tbl_tag
on a.TagId equals b.Id
select new TagViewDto {
BlogId = a.BlogId, TagName = b.Name, TagId = b.Id, Sequence = b.Sequence
});
if (rlt != null)
{
List <string> tagNameList = tagRlt.Where(i => i.BlogId == id).Select(i => i.TagName).ToList();
rlt.TagNameList = tagNameList;
//if (tagNameList != null) { rlt.TagNameList.AddRange(tagNameList); };
}
//查看一次详情，浏览次数累加一次
tbl_blog tbl = await _context.tbl_blog.FirstOrDefaultAsync(i => i.Id == id);
if (tbl != null)
{
++tbl.ViewTimes;
}
_context.tbl_blog.Update(tbl);
await _context.SaveChangesAsync();
return(new CommonResultDto <BlogViewDto> {
Msg = "查询成功", Success = true, Response = rlt
});
}
