Add Popular Tags View Component

modules/cms-kit/src/Volo.CmsKit.Common.Application.Contracts/Volo/CmsKit/Tags/ITagAppService.cs

@@ -1,11 +1,11 @@
 using System.Collections.Generic;
 using System.Threading.Tasks;
 using Volo.Abp.Application.Services;
-using Volo.CmsKit.Tags;
 
 namespace Volo.CmsKit.Tags;
 
 public interface ITagAppService : IApplicationService
 {
     Task<List<TagDto>> GetAllRelatedTagsAsync(string entityType, string entityId);
-}
+    Task<List<PopularTagDto>> GetPopularTagsAsync(string entityType, int maxCount);
+}

modules/cms-kit/src/Volo.CmsKit.Common.Application.Contracts/Volo/CmsKit/Tags/PopularTagDto.cs

@@ -0,0 +1,10 @@
+using System;
+
+namespace Volo.CmsKit.Tags;
+
+public class PopularTagDto
+{
+    public Guid Id { get; set; }
+    public string Name { get; set; }
+    public int Count { get; set; }
+}

modules/cms-kit/src/Volo.CmsKit.Common.Application/Volo/CmsKit/CmsKitCommonApplicationAutoMapperProfile.cs

@@ -11,6 +11,8 @@ public class CmsKitCommonApplicationAutoMapperProfile : Profile
     {
         CreateMap<Tag, TagDto>().MapExtraProperties();
 
+        CreateMap<PopularTag, PopularTagDto>();
+
         CreateMap<CmsUser, CmsUserDto>().MapExtraProperties();
 
         CreateMap<BlogFeature, BlogFeatureCacheItem>().MapExtraProperties();

modules/cms-kit/src/Volo.CmsKit.Common.Application/Volo/CmsKit/Tags/TagAppService.cs

@@ -24,4 +24,14 @@ public class TagAppService : CmsKitAppServiceBase, ITagAppService
 
         return ObjectMapper.Map<List<Tag>, List<TagDto>>(entities);
     }
-}
+
+    public async Task<List<PopularTagDto>> GetPopularTagsAsync(string entityType, int maxCount)
+    {
+        return ObjectMapper.Map<List<PopularTag>, List<PopularTagDto>>(
+            await TagRepository.GetPopularTagsAsync(
+                entityType,
+                maxCount
+            )
+        );
+    }
+}

modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Tags/ITagRepository.cs

@@ -36,4 +36,9 @@ public interface ITagRepository : IBasicRepository<Tag, Guid>
         [NotNull] string entityType,
         [NotNull] string entityId,
         CancellationToken cancellationToken = default);
-}
+    
+    Task<List<PopularTag>> GetPopularTagsAsync(
+        [NotNull] string entityType,
+        int maxCount,
+        CancellationToken cancellationToken = default);
+}

modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Tags/PopularTag.cs

@@ -0,0 +1,17 @@
+using System;
+
+namespace Volo.CmsKit.Tags;
+
+public class PopularTag
+{
+    public Guid Id { get; set; }
+    public string Name { get; set; }
+    public int Count { get; set; }
+    
+    public PopularTag(Guid id, string name, int count)
+    {
+        Id = id;
+        Name = name;
+        Count = count;
+    }
+}

modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/Tags/EfCoreTagRepository.cs

@@ -80,6 +80,23 @@ public class EfCoreTagRepository : EfCoreRepository<ICmsKitDbContext, Tag, Guid>
         return await query.ToListAsync(cancellationToken: GetCancellationToken(cancellationToken));
     }
 
+    public async Task<List<PopularTag>> GetPopularTagsAsync(
+        [NotNull] string entityType, 
+        int maxCount, 
+        CancellationToken cancellationToken = default)
+    {
+        return await (from tag in await GetDbSetAsync()
+                join entityTag in (await GetDbContextAsync()).Set<EntityTag>() on tag.Id equals entityTag.TagId
+                where tag.EntityType == entityType
+                select new { tag, entityTag } into tagEntityTag
+                group tagEntityTag by tagEntityTag.entityTag.TagId
+                into g
+                orderby g.Count() descending
+                select new PopularTag(g.Key, g.First().tag.Name, g.Count()))
+            .Take(maxCount)
+            .ToListAsync(cancellationToken: GetCancellationToken(cancellationToken));
+    }
+
     public async Task<List<Tag>> GetListAsync(string filter, CancellationToken cancellationToken = default)
     {
         return await (await GetQueryableByFilterAsync(filter)).ToListAsync(GetCancellationToken(cancellationToken));

modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/Tags/MongoTagRepository.cs

@@ -81,6 +81,13 @@ public class MongoTagRepository : MongoDbRepository<ICmsKitMongoDbContext, Volo.
         return result;
     }
 
+    
+    public async Task<List<PopularTag>> GetPopularTagsAsync(string entityType, int maxCount, CancellationToken cancellationToken = default)
+    {
+        //TODO: Implement this method
+        throw new NotImplementedException();
+    }
+
 
     public async Task<List<Tag>> GetListAsync(string filter, CancellationToken cancellationToken = default)
     {

modules/cms-kit/src/Volo.CmsKit.Public.HttpApi/Volo/CmsKit/Public/Tags/TagPublicController.cs

@@ -30,4 +30,11 @@ public class TagPublicController : CmsKitPublicControllerBase, ITagAppService
     {
         return TagAppService.GetAllRelatedTagsAsync(entityType, entityId);
     }
+
+    [HttpGet]
+    [Route("popular/{entityType}/{maxCount:int}")]
+    public Task<List<PopularTagDto>> GetPopularTagsAsync(string entityType, int maxCount)
+    {
+        return TagAppService.GetPopularTagsAsync(entityType, maxCount);
+    }
 }

modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/PopularTags/Default.cshtml

@@ -0,0 +1,29 @@
+@inject IHtmlLocalizer<CmsKitResource> L
+@using Microsoft.AspNetCore.Mvc.Localization
+@using Volo.CmsKit.Localization
+@model Volo.CmsKit.Public.Web.Pages.CmsKit.Shared.Components.PopularTags.PopularTagsViewComponent.PopularTagsViewModel
+
+@if (Model.Tags != null && Model.Tags.Any())
+{
+    <h4 class="mb-3 fw--6">@L["PopularTags"]</h4>
+
+    <div class="cms-tags-area my-3">
+        @foreach (var tag in Model.Tags)
+        {
+            if (Model.UrlFactory == null)
+            {
+                <span class="br-8 me-2 mb-2 p-2 d-inline-block cmskit-tag fw--5" style="background: #eeedf7; color: #766bc8">
+                    @tag.Name
+                </span>
+            }
+            else
+            {
+                <a href="@Model.UrlFactory(tag)">
+                    <span class="br-8 me-2 mb-2 p-2 d-inline-block cmskit-tag fw--5" style="background: #eeedf7; color: #766bc8">
+                        @tag.Name
+                    </span>
+                </a>
+            }
+        }
+    </div>
+}

modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/PopularTags/PopularTagsViewComponent.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Volo.Abp.AspNetCore.Mvc;
+using Volo.Abp.Uow;
+using Volo.CmsKit.Tags;
+
+namespace Volo.CmsKit.Public.Web.Pages.CmsKit.Shared.Components.PopularTags;
+
+public class PopularTagsViewComponent : AbpViewComponent
+{
+    private readonly ITagAppService _tagAppService;
+    
+    public PopularTagsViewComponent(ITagAppService tagAppService)
+    {
+        _tagAppService = tagAppService;
+    }
+    
+    public async Task<IViewComponentResult> InvokeAsync(string entityType, int maxCount, Func<PopularTagDto, string> urlFactory = null)
+    {
+        var model = new PopularTagsViewModel
+        {
+            Tags = await _tagAppService.GetPopularTagsAsync(entityType, maxCount),
+            UrlFactory = urlFactory
+        };
+        return View("~/Pages/CmsKit/Shared/Components/PopularTags/Default.cshtml", model);
+    }
+
+    public class PopularTagsViewModel
+    {
+        public List<PopularTagDto> Tags { get; set; }
+        public Func<PopularTagDto, string> UrlFactory { get; set; }
+    }
+}

modules/cms-kit/test/Volo.CmsKit.TestBase/Tags/TagRepository_Test.cs

@@ -129,4 +129,14 @@ public abstract class TagRepository_Test<TStartupModule> : CmsKitTestBase<TStart
 
         count.ShouldBe(1);
     }
+    
+    [Fact]
+    public async Task Should_Get_Popular_Tags()
+    {
+        var popularTags = await _tagRepository.GetPopularTagsAsync(_cmsKitTestData.Content_1_EntityType, 2);
+
+        popularTags.Count.ShouldBe(2);
+        _cmsKitTestData.Content_1_Tags.Contains(popularTags[0].Name).ShouldBeTrue();
+        _cmsKitTestData.Content_1_Tags.Contains(popularTags[1].Name).ShouldBeTrue();
+    }
 }