public IActionResult Index(int index)
{
BlogPagingModel blogPagingModel = new BlogPagingModel();
blogPagingModel.PageNumber = index;
return(View(blogPagingModel));
}
protected virtual void PrepareBlogPagingModel(BlogPagingModel model, IPagedList <Blog> blogs, int pageIndex = 0)
{
if (model == null)
{
throw new Exception("model is null!");
}
if (blogs == null)
{
blogs = GetBlogs(pageIndex, 10);
}
model.TotalPages = blogs.TotalPages;
model.Index = blogs.PageIndex;
model.PageSize = blogs.PageSize;
model.TotalPages = blogs.TotalCount;
model.Blogs = model.Blogs ?? new List <BlogModel>();
foreach (var blog in blogs)
{
var m = new BlogModel();
PrepareBlogModel(m, blog);
model.Blogs.Add(m);
}
var isAuthenticated = HttpContext.User.Identity.IsAuthenticated;
if (isAuthenticated)
{
var CustomerId = HttpContext.User.Claims.SingleOrDefault(s => s.Type == ClaimTypes.Sid).Value;
int id = int.Parse(CustomerId);
if (id == 1)
{
model.Editable = true;
}
}
}
/// <summary>
/// 带翻页的获取
/// </summary>
/// <param name="tagId"></param>
/// <param name="PageIndex"></param>
/// <param name="SegmentIndex"></param>
public BlogPagingModel GetPagedBlogsByTagId(int tagId, int pageIndex, int pageSize, int customerId)
{
BlogPagingModel model = new BlogPagingModel();
var query = _blogRepository.Table;
if (tagId != 0)
{
var blogTagMappers = _blogTagMapperRepository.Table.Where(x => x.TagId == tagId).ToList();
if (blogTagMappers != null)
{
var blogIds = blogTagMappers.Select(bt => { return(bt.BlogId); }).ToArray();
query = query.Where(b => blogIds.Contains(b.Id));
}
}
var blogs = query.ToList();
model.TotalItems = blogs.Count;
blogs = blogs.OrderByDescending(b => b.CreatedOn).Skip(pageIndex * pageSize).Take(pageSize).ToList();
//var blogs = query.ToList();
model.PageSize = pageSize;
model.PageNumber = pageIndex + 1;
//model.PageIndex = pageIndex;
model.TotalPages = (int)Math.Ceiling((double)model.TotalItems / (double)model.PageSize);
//model.TotalPages
model.Blogs = new List <BlogModel>();
foreach (var b in blogs)
{
string cacheKey = RBMemCacheKeys.CUSTOMERINFOKEY + b.CustomerId.ToString();
Customer customer = (Customer)_memoryCache.Get(cacheKey);
BlogModel m = new BlogModel()
{
Content = b.Content,
CreatedOn = b.CreatedOn,
CustomerId = b.CustomerId,
Id = b.Id,
ReleasedOn = b.ReleasedOn,
Title = b.Title,
CustomerName = customer != null ? customer.Name : "",
Editable = b.CustomerId == customerId?true : false,
Tags = string.Join(",", _tagService.GetBlogTags(b.Id).Select(t => { return(t.TagName); }).ToList())
};
//if(customer!=null)
model.Blogs.Add(m);
}
return(model);
}
public async Task <IViewComponentResult> InvokeAsync(BlogPagingModel model)
{
// async Task<IViewComponentResult>
//ContentViewComponentResult
//IViewComponentResult
//HtmlContentViewComponentResult
//http://www.cnblogs.com/sanshi/p/7750497.html
//http://www.cnblogs.com/shenba/p/6629212.html
const int size = 5;
bool isAuthenticated = false;
//var blogs = _blogRepository.Table.OrderByDescending(b => b.releasedOn).TakeLast(10);
if (model == null)
{
model = new BlogPagingModel();
}
if (model.Blogs == null)
{
isAuthenticated = HttpContext.User.Identity.IsAuthenticated;
int CustomerId = -1;
if (isAuthenticated)
{
CustomerId = int.Parse(HttpContext.User.Claims.SingleOrDefault(s => s.Type == ClaimTypes.Sid).Value);
}
int index = model.PageNumber == 0 ? 0 : model.PageNumber - 1;
model = _blogService.GetPagedBlogsByTagId(0, index, size, CustomerId);
model.Editable = isAuthenticated;
if (model.Blogs.Count > 0)
{
return(View(model));
}
else
{
return(View("NoData", "0数据"));
}
//try
//{
// blogs = _blogRepository.Table.OrderByDescending(b => b.ReleasedOn).Take(10).ToList();
//}
//catch (Exception ex)
//{
// return View("NoData", ex.Message);
//}
}
//if (blogs.Count>0)
//{
// var cs = _customerRepository.Table.FirstOrDefault();//执行过一次就可以在以下b.Customer里呼出了，因为没有lazyload 可能core做了缓存
// BlogPagingModel model = new BlogPagingModel();
// IPagedList<Blog> pagedBlogs = new PagedList<Blog>(blogs, 0, 10);
// PrepareBlogPagingModel(model,pagedBlogs);
// //model.Blogs = new List<BlogModel>();
// //foreach (Blog b in blogs)
// //{
// // var blogModel = new BlogModel()
// // {
// // Id = b.Id,
// // Title = b.Title,
// // Content = b.Content,
// // CreatedOn = b.CreatedOn,
// // ReleasedOn = b.ReleasedOn,
// // CustomerName = b.Customer.CustomerName
// // };
// // model.Blogs.Add(blogModel);
// //}
// //var isAuthenticated = HttpContext.User.Identity.IsAuthenticated;
// //if (isAuthenticated)
// //{
// // var CustomerId = HttpContext.User.Claims.SingleOrDefault(s => s.Type == ClaimTypes.Sid).Value;
// // int id = int.Parse(CustomerId);
// // if (id == 1)
// // {
// // model.Editable = true;
// // }
// //}
// return View(model);
//}
else
{
//BlogPagingModel model = new BlogPagingModel();
//IPagedList<Blog> blogPaged = new PagedList<Blog>(blogs, 0, 10);
//PrepareBlogPagingModel(model, blogPaged, 0);
return(View(model));
}
}
