public IActionResult GetBlogPostAll([FromQuery] BlogPostForPagingDto pagingDto)
{
try
{
var blogPostList = _blogFactory.PrepareBlogPostListDto(Url, pagingDto);
Response.Headers.Add("X-Pagination", blogPostList.BlogPostPagingContext.ToJson());
_logger.LogInformation($"Returned all blog post from database.");
return(Ok(blogPostList));
}
catch (Exception ex)
{
var logMessage = $"BlogController GetBlogPostAll Method. Something went wrong. Ex Message : { ex.Message }";
_logger.LogError(ex, logMessage);
return(StatusCode(500, "Internal server error"));
}
}
/// <summary>
/// Prepare blog post list dto
/// </summary>
/// <param name="urlHelper">UrlHelper</param>
/// <param name="pagingDto">BlogPostForPagingDto</param>
/// <returns>BlogPostListDto</returns>
public virtual BlogPostListDto PrepareBlogPostListDto(IUrlHelper urlHelper, BlogPostForPagingDto pagingDto)
{
if (pagingDto == null)
{
throw new ArgumentNullException(nameof(pagingDto));
}
var dto = new BlogPostListDto();
if (pagingDto.PageSize <= 0)
{
pagingDto.PageSize = 10;
}
if (pagingDto.PageNumber <= 0)
{
pagingDto.PageNumber = 1;
}
IPagedList <BlogPost> blogPosts = _blogService.GetAllBlogPosts(pagingDto.PageNumber - 1, pagingDto.PageSize);
dto.BlogPostPagingContext.LoadPagedList(blogPosts);
dto.BlogPosts = blogPosts
.Select(x =>
{
var blogPostDto = new BlogPostDto();
PrepareBlogPostResponse(blogPostDto, x, false);
blogPostDto.PostWithCommentsLink = CreateLink(urlHelper, "GetPostWithComments", new { blogPostDto.Id }, "postWithCommentsPage", HttpMethod.Get.ToString());
return(blogPostDto);
})
.ToList();
dto.Links.Add(CreateLink(urlHelper, "GetBlogPostAll",
new BlogPostForPagingDto {
PageNumber = dto.BlogPostPagingContext.PageNumber, PageSize = dto.BlogPostPagingContext.PageSize
},
"self",
HttpMethod.Get.ToString()));
if (dto.BlogPostPagingContext.HasPreviousPage)
{
dto.Links.Add(CreateLink(urlHelper, "GetBlogPostAll",
new BlogPostForPagingDto {
PageNumber = dto.BlogPostPagingContext.PreviousPageNumber, PageSize = dto.BlogPostPagingContext.PageSize
},
"previousPage",
"GET"));
}
if (dto.BlogPostPagingContext.HasNextPage)
{
dto.Links.Add(CreateLink(urlHelper, "GetBlogPostAll",
new BlogPostForPagingDto {
PageNumber = dto.BlogPostPagingContext.NextPageNumber, PageSize = dto.BlogPostPagingContext.PageSize
},
"nextPage",
"GET"));
}
return(dto);
}
