public IHttpActionResult GetPosts([FromUri] FlutterPostFilterModel filter, [FromUri] PagingParameterModel paging)
{
if (filter == null)
{
filter = new FlutterPostFilterModel();
}
if (paging == null)
{
paging = new PagingParameterModel();
}
var pagination = new PaginationMetadataModel()
{
currentPage = paging.pageNumber,
pageSize = paging.pageSize
};
var posts = _service.getPosts(filter, ref pagination);
// Setting Header
HttpContext.Current.Response.Headers.Add("Access-Control-Expose-Headers", "X-Paging-Headers");
HttpContext.Current.Response.Headers.Add("X-Paging-Headers", JsonConvert.SerializeObject(pagination));
return(Ok <List <FlutterPostCardModel> >(posts));
}
public IHttpActionResult GetPolicies([FromUri] PagingParameterModel paging)
{
var filter = new FlutterPostFilterModel()
{
categorySlug = "chinh-sach"
};
return(GetPosts(filter, paging));
}
public List <FlutterPostCardModel> getPosts(FlutterPostFilterModel filter, ref PaginationMetadataModel pagination)
{
using (var con = new inventorymanagementEntities())
{
var posts = con.PostPublics.Where(x => x.IsPolicy == filter.isPolicy);
if (!String.IsNullOrEmpty(filter.categorySlug))
{
var categories = _postCategory.getPostCategoryChild(filter.categorySlug);
if (categories == null || categories.Count() == 0)
{
return(null);
}
var categoriesID = categories.Select(x => x.id).ToList();
posts = posts.Where(p => categoriesID.Contains(p.CategoryID));
}
var data = posts
.OrderByDescending(o => o.ModifiedDate)
.Select(x => new FlutterPostCardModel()
{
action = x.Action,
name = x.Title,
actionValue = x.Action == FlutterPageNavigation.ViewMore ? (x.IsPolicy ? "policy/" : "post/") + x.ActionValue : x.ActionValue,
image = x.Thumbnail,
message = x.Summary,
createdDate = x.ModifiedDate
})
.ToList();
// Lấy tổng số record sản phẩm
pagination.totalCount = data.Count();
// Calculating Totalpage by Dividing (No of Records / Pagesize)
pagination.totalPages = (int)Math.Ceiling(pagination.totalCount / (double)pagination.pageSize);
var result = data
.Skip((pagination.currentPage - 1) * pagination.pageSize)
.Take(pagination.pageSize)
.ToList();
// if CurrentPage is greater than 1 means it has previousPage
pagination.previousPage = pagination.currentPage > 1 ? "Yes" : "No";
// if TotalPages is greater than CurrentPage means it has nextPage
pagination.nextPage = pagination.currentPage < pagination.totalPages ? "Yes" : "No";
return(result);
}
}