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Yes.Application/Blogs/GetIndexViewQueryHandler.cs

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+
+
+namespace Yes.Application.Blogs
+{
+
+    public record GetIndexViewQuery(NameValueCollection NameValueCollection) : IRequest<IndexViewModel>;
+
+    public record IndexViewModel(
+        MetaModel Meta,
+        BlogModel Blog,
+        List<CategoryModel> Categories,
+        List<TagModel> Tags,
+        List<ArchiveModel> Archives,
+        List<SinglePageModel> SinglePages,
+        PagedList<ArticleModel> Articles
+    );
+
+
+    public class GetIndexViewQueryHandler(
+        IBlogService blogService, 
+        IOptionsMonitor<BlogSettings> options, 
+        IMapper mapper
+        ) : IRequestHandler<GetIndexViewQuery, IndexViewModel>
+    {
+        private readonly IBlogService _blogService = blogService;
+        private readonly BlogSettings _settings = options.CurrentValue;
+        private readonly IMapper _mapper = mapper;
+
+        public async Task<IndexViewModel> Handle(GetIndexViewQuery request, CancellationToken cancellationToken)
+        {
+            var pageIndex = request.NameValueCollection.QueryInt(BlogRouteConst.PageIndex, 1);
+
+            var blogModel = _mapper.Map<BlogModel>(_settings);
+
+            var categories = await _blogService.GetAllCategories();
+
+            var articles = await _blogService.GetIndexArticles(pageIndex, _settings.PageSizeOfHomepage);
+
+            var pages = await _blogService.GetSinglePages();
+
+            var tags = await _blogService.GetTags();
+
+            var archives = await _blogService.GetArchives();
+
+            var meta = GetMeta(_settings);
+
+            return new IndexViewModel(meta, blogModel, categories, tags, archives, pages, articles);
+        }
+
+        private MetaModel GetMeta(BlogSettings blogSettings)
+        {
+            return new MetaModel
+            {
+                Description = blogSettings.Description,
+                Keywords = blogSettings.Keywords,
+                Title = blogSettings.Name,
+            };
+        }
+    }
+}