add filter by tag option

modules/cms-kit/src/Volo.CmsKit.Admin.Application.Contracts/Volo/CmsKit/Admin/Blogs/BlogPostGetListInput.cs

@@ -12,5 +12,7 @@ public class BlogPostGetListInput : PagedAndSortedResultRequestDto
 
     public Guid? AuthorId { get; set; }
     
+    public Guid? TagId { get; set; }
+
     public BlogPostStatus? Status { get; set; }
 }

modules/cms-kit/src/Volo.CmsKit.Admin.Application/Volo/CmsKit/Admin/Blogs/BlogPostAdminAppService.cs

@@ -101,11 +101,11 @@ public class BlogPostAdminAppService : CmsKitAppServiceBase, IBlogPostAdminAppSe
     {
         var blogs = (await BlogRepository.GetListAsync()).ToDictionary(x => x.Id);
 
-        var blogPosts = await BlogPostRepository.GetListAsync(input.Filter, input.BlogId, input.AuthorId,
+        var blogPosts = await BlogPostRepository.GetListAsync(input.Filter, input.BlogId, input.AuthorId, input.TagId,
             statusFilter: input.Status,
             input.MaxResultCount, input.SkipCount, input.Sorting);
 
-        var count = await BlogPostRepository.GetCountAsync(input.Filter, input.BlogId, input.AuthorId);
+        var count = await BlogPostRepository.GetCountAsync(input.Filter, input.BlogId, input.AuthorId, tagId: input.TagId);
 
         var dtoList = blogPosts.Select(x =>
         {

modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Blogs/IBlogPostRepository.cs

@@ -13,6 +13,7 @@ public interface IBlogPostRepository : IBasicRepository<BlogPost, Guid>
         string filter = null,
         Guid? blogId = null,
         Guid? authorId = null,
+        Guid? tagId = null,
         BlogPostStatus? statusFilter = null,
         CancellationToken cancellationToken = default);
 
@@ -20,6 +21,7 @@ public interface IBlogPostRepository : IBasicRepository<BlogPost, Guid>
         string filter = null,
         Guid? blogId = null,
         Guid? authorId = null,
+        Guid? tagId = null,
         BlogPostStatus? statusFilter = null,
         int maxResultCount = int.MaxValue,
         int skipCount = 0,

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

@@ -71,4 +71,12 @@ public class EntityTagManager : DomainService
             await AddTagToEntityAsync(tag.Id, entityType, entityId, CurrentTenant?.Id);
         }
     }
+
+    public async Task<List<string>> GetEntityIdsFilteredByTagAsync(
+        [NotNull] Guid tagId,
+        [CanBeNull] Guid? tenantId,
+        CancellationToken cancellationToken = default)
+    {
+        return await EntityTagRepository.GetEntityIdsFilteredByTagAsync(tagId, tenantId, cancellationToken);
+    }
 }

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

@@ -1,5 +1,6 @@
 using JetBrains.Annotations;
 using System;
+using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
 using Volo.Abp.Domain.Repositories;
@@ -15,4 +16,9 @@ public interface IEntityTagRepository : IBasicRepository<EntityTag>
         CancellationToken cancellationToken = default);
 
     Task DeleteManyAsync(Guid[] tagIds, CancellationToken cancellationToken = default);
+
+    Task<List<string>> GetEntityIdsFilteredByTagAsync(
+        [NotNull] Guid tagId,
+        [CanBeNull] Guid? tenantId,
+        CancellationToken cancellationToken = default);
 }

modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/Blogs/EfCoreBlogPostRepository.cs

@@ -11,14 +11,20 @@ using Volo.Abp.Domain.Entities;
 using Volo.Abp.Domain.Repositories.EntityFrameworkCore;
 using Volo.Abp.EntityFrameworkCore;
 using Volo.CmsKit.EntityFrameworkCore;
+using Volo.CmsKit.Tags;
 using Volo.CmsKit.Users;
 
 namespace Volo.CmsKit.Blogs;
 
 public class EfCoreBlogPostRepository : EfCoreRepository<CmsKitDbContext, BlogPost, Guid>, IBlogPostRepository
 {
-    public EfCoreBlogPostRepository(IDbContextProvider<CmsKitDbContext> dbContextProvider) : base(dbContextProvider)
+    private EntityTagManager _entityTagManager;
+
+    public EfCoreBlogPostRepository(
+        IDbContextProvider<CmsKitDbContext> dbContextProvider,
+        EntityTagManager entityTagManager) : base(dbContextProvider)
     {
+        _entityTagManager = entityTagManager;
     }
 
     public async Task<BlogPost> GetBySlugAsync(
@@ -43,10 +49,18 @@ public class EfCoreBlogPostRepository : EfCoreRepository<CmsKitDbContext, BlogPo
         string filter = null,
         Guid? blogId = null,
         Guid? authorId = null,
+        Guid? tagId = null,
         BlogPostStatus? statusFilter = null,
         CancellationToken cancellationToken = default)
     {
+        List<string> entityIdFilters = null;
+        if (tagId.HasValue)
+        {
+            entityIdFilters = await _entityTagManager.GetEntityIdsFilteredByTagAsync(tagId.Value, CurrentTenant.Id, cancellationToken);
+        }
+
         var queryable = (await GetDbSetAsync())
+            .WhereIf(entityIdFilters != null, x => entityIdFilters.Contains(x.Id.ToString()))
             .WhereIf(blogId.HasValue, x => x.BlogId == blogId)
             .WhereIf(authorId.HasValue, x => x.AuthorId == authorId)
             .WhereIf(statusFilter.HasValue, x => x.Status == statusFilter)
@@ -60,6 +74,7 @@ public class EfCoreBlogPostRepository : EfCoreRepository<CmsKitDbContext, BlogPo
         string filter = null,
         Guid? blogId = null,
         Guid? authorId = null,
+        Guid? tagId = null,
         BlogPostStatus? statusFilter = null,
         int maxResultCount = int.MaxValue,
         int skipCount = 0,
@@ -71,7 +86,14 @@ public class EfCoreBlogPostRepository : EfCoreRepository<CmsKitDbContext, BlogPo
         var blogPostsDbSet = dbContext.Set<BlogPost>();
         var usersDbSet = dbContext.Set<CmsUser>();
 
-        var queryable = blogPostsDbSet
+        List<string> entityIdFilters = null;
+        if (tagId.HasValue)
+        {
+            entityIdFilters = await _entityTagManager.GetEntityIdsFilteredByTagAsync(tagId.Value, CurrentTenant.Id, cancellationToken);
+        }
+
+        var queryable = (await GetDbSetAsync())
+            .WhereIf(entityIdFilters != null, x => entityIdFilters.Contains(x.Id.ToString()))
             .WhereIf(blogId.HasValue, x => x.BlogId == blogId)
             .WhereIf(!string.IsNullOrWhiteSpace(filter), x => x.Title.Contains(filter) || x.Slug.Contains(filter))
             .WhereIf(authorId.HasValue, x => x.AuthorId == authorId)

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

@@ -1,8 +1,10 @@
 using JetBrains.Annotations;
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
 using Volo.Abp;
 using Volo.Abp.Domain.Repositories.EntityFrameworkCore;
 using Volo.Abp.EntityFrameworkCore;
@@ -39,4 +41,15 @@ public class EfCoreEntityTagRepository : EfCoreRepository<ICmsKitDbContext, Enti
                 x.TenantId == tenantId,
             cancellationToken: GetCancellationToken(cancellationToken));
     }
+
+    public virtual async Task<List<string>> GetEntityIdsFilteredByTagAsync(
+        [NotNull] Guid tagId,
+        [CanBeNull] Guid? tenantId,
+        CancellationToken cancellationToken = default)
+    {
+        return await (await GetDbContextAsync()).Set<EntityTag>()
+            .Where(q => q.TagId == tagId && q.TenantId == tenantId)
+            .Select(q => q.EntityId)
+            .ToListAsync(cancellationToken: GetCancellationToken(cancellationToken));
+    }
 }

modules/cms-kit/src/Volo.CmsKit.MongoDB/Volo/CmsKit/MongoDB/Blogs/MongoBlogPostRepository.cs

@@ -12,15 +12,18 @@ using Volo.Abp.Domain.Entities;
 using Volo.Abp.Domain.Repositories.MongoDB;
 using Volo.Abp.MongoDB;
 using Volo.CmsKit.Blogs;
+using Volo.CmsKit.Tags;
 using Volo.CmsKit.Users;
 
 namespace Volo.CmsKit.MongoDB.Blogs;
 
 public class MongoBlogPostRepository : MongoDbRepository<CmsKitMongoDbContext, BlogPost, Guid>, IBlogPostRepository
 {
-    public MongoBlogPostRepository(IMongoDbContextProvider<CmsKitMongoDbContext> dbContextProvider) : base(
+    private EntityTagManager _entityTagManager;
+    public MongoBlogPostRepository(IMongoDbContextProvider<CmsKitMongoDbContext> dbContextProvider, EntityTagManager entityTagManager) : base(
         dbContextProvider)
     {
+        _entityTagManager = entityTagManager;
     }
 
     public virtual async Task<BlogPost> GetBySlugAsync(Guid blogId, [NotNull] string slug,
@@ -44,12 +47,20 @@ public class MongoBlogPostRepository : MongoDbRepository<CmsKitMongoDbContext, B
         string filter = null,
         Guid? blogId = null,
         Guid? authorId = null,
+        Guid? tagId = null,
         BlogPostStatus? statusFilter = null,
         CancellationToken cancellationToken = default)
     {
         cancellationToken = GetCancellationToken(cancellationToken);
 
+        List<string> entityIdFilters = null;
+        if (tagId.HasValue)
+        {
+            entityIdFilters = await _entityTagManager.GetEntityIdsFilteredByTagAsync(tagId.Value, CurrentTenant.Id, cancellationToken);
+        }
+        
         return await (await GetMongoQueryableAsync(cancellationToken))
+            .WhereIf<BlogPost, IMongoQueryable<BlogPost>>(entityIdFilters != null, x => entityIdFilters.Contains(x.Id.ToString()))
             .WhereIf<BlogPost, IMongoQueryable<BlogPost>>(!string.IsNullOrWhiteSpace(filter), x => x.Title.Contains(filter) || x.Slug.Contains(filter))
             .WhereIf<BlogPost, IMongoQueryable<BlogPost>>(blogId.HasValue, x => x.BlogId == blogId)
             .WhereIf<BlogPost, IMongoQueryable<BlogPost>>(authorId.HasValue, x => x.AuthorId == authorId)
@@ -61,6 +72,7 @@ public class MongoBlogPostRepository : MongoDbRepository<CmsKitMongoDbContext, B
         string filter = null,
         Guid? blogId = null,
         Guid? authorId = null,
+        Guid? tagId = null,
         BlogPostStatus? statusFilter = null,
         int maxResultCount = int.MaxValue,
         int skipCount = 0,
@@ -71,9 +83,16 @@ public class MongoBlogPostRepository : MongoDbRepository<CmsKitMongoDbContext, B
         var dbContext = await GetDbContextAsync(cancellationToken);
         var blogPostQueryable = await GetQueryableAsync();
         
+        List<string> entityIdFilters = null;
+        if (tagId.HasValue)
+        {
+            entityIdFilters = await _entityTagManager.GetEntityIdsFilteredByTagAsync(tagId.Value, CurrentTenant.Id, cancellationToken);
+        }
+        
         var usersQueryable = dbContext.Collection<CmsUser>().AsQueryable();
 
         var queryable = blogPostQueryable
+            .WhereIf(entityIdFilters != null, x => entityIdFilters.Contains(x.Id.ToString()))
             .WhereIf(blogId.HasValue, x => x.BlogId == blogId)
             .WhereIf(!string.IsNullOrWhiteSpace(filter), x => x.Title.Contains(filter) || x.Slug.Contains(filter))
             .WhereIf(authorId.HasValue, x => x.AuthorId == authorId)

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

@@ -2,6 +2,7 @@
 using MongoDB.Driver;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using Volo.Abp;
@@ -39,4 +40,16 @@ public class MongoEntityTagRepository : MongoDbRepository<ICmsKitMongoDbContext,
                 x.TenantId == tenantId,
             cancellationToken: GetCancellationToken(cancellationToken));
     }
+
+    public virtual async Task<List<string>> GetEntityIdsFilteredByTagAsync(
+        [NotNull] Guid tagId,
+        [CanBeNull] Guid? tenantId,
+        CancellationToken cancellationToken = default)
+    {
+        var blogPostQueryable = (await GetQueryableAsync())
+            .Where(q => q.TagId == tagId && q.TenantId == tenantId)
+            .Select(q => q.EntityId);
+
+        return await AsyncExecuter.ToListAsync(blogPostQueryable, GetCancellationToken(cancellationToken));
+    }
 }

modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Public/Blogs/BlogPostGetListInput.cs

@@ -6,4 +6,6 @@ namespace Volo.CmsKit.Public.Blogs;
 public class BlogPostGetListInput : PagedAndSortedResultRequestDto
 {
     public Guid? AuthorId { get; set; } 
+    
+    public Guid? TagId { get; set; }
 }

modules/cms-kit/src/Volo.CmsKit.Public.Application/Volo/CmsKit/Public/Blogs/BlogPostPublicAppService.cs

@@ -38,11 +38,13 @@ public class BlogPostPublicAppService : CmsKitPublicAppServiceBase, IBlogPostPub
     {
         var blog = await BlogRepository.GetBySlugAsync(blogSlug);
 
-        var blogPosts = await BlogPostRepository.GetListAsync(null, blog.Id, input.AuthorId, BlogPostStatus.Published, input.MaxResultCount,
+        var blogPosts = await BlogPostRepository.GetListAsync(null, blog.Id, input.AuthorId, input.TagId,
+            BlogPostStatus.Published, input.MaxResultCount,
             input.SkipCount, input.Sorting);
 
         return new PagedResultDto<BlogPostPublicDto>(
-            await BlogPostRepository.GetCountAsync(blogId: blog.Id, statusFilter: BlogPostStatus.Published, authorId: input.AuthorId),
+            await BlogPostRepository.GetCountAsync(blogId: blog.Id, tagId: input.TagId,
+                statusFilter: BlogPostStatus.Published, authorId: input.AuthorId),
             ObjectMapper.Map<List<BlogPost>, List<BlogPostPublicDto>>(blogPosts));
     }
 

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

@@ -2,16 +2,29 @@
 
 @model TagViewComponent.TagViewModel
 
-    <div class="my-3">
+<div class="my-3">
-        <div class="cms-tags-area">
+    <div class="cms-tags-area">
-            @if (Model.Tags != null)
+        @if (Model.Tags != null)
+        {
+            foreach (var tag in Model.Tags)
             {
-                foreach (var tag in Model.Tags)
+                if (Model.UrlFormat.IsNullOrWhiteSpace())
                 {
+
                     <span class="badge bg-light px-3 py-2 cmskit-tag font-weight-normal">
                         @tag.Name
                     </span>
                 }
+                else
+                {
+                    var formattedUrl = Model.UrlFormat.Replace("{TagId}", tag.Id.ToString());
+                    <a href="@formattedUrl">
+                        <span class="badge bg-light px-3 py-2 cmskit-tag font-weight-normal">
+                            @tag.Name
+                        </span>
+                    </a>
+                }
             }
-        </div>
+        }
     </div>
+</div> 

modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Tags/TagViewComponent.cs

@@ -26,7 +26,8 @@ public class TagViewComponent : AbpViewComponent
 
     public virtual async Task<IViewComponentResult> InvokeAsync(
         string entityType,
-        string entityId)
+        string entityId,
+        string urlFormat)
     {
         var tagDtos = await TagAppService.GetAllRelatedTagsAsync(entityType, entityId);
 
@@ -34,7 +35,8 @@ public class TagViewComponent : AbpViewComponent
         {
             EntityId = entityId,
             EntityType = entityType,
-            Tags = tagDtos
+            Tags = tagDtos,
+            UrlFormat = urlFormat
         };
 
         return View("~/Pages/CmsKit/Shared/Components/Tags/Default.cshtml", viewModel);
@@ -45,5 +47,6 @@ public class TagViewComponent : AbpViewComponent
         public List<TagDto> Tags { get; set; }
         public string EntityId { get; set; }
         public string EntityType { get; set; }
+        public string UrlFormat { get; set; }
     }
 }

modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/Public/CmsKit/Blogs/BlogPost.cshtml

@@ -85,7 +85,8 @@
                                 @await Component.InvokeAsync(typeof(TagViewComponent), new
                                 {
                                     entityType = Volo.CmsKit.Blogs.BlogPostConsts.EntityType,
-                                    entityId = Model.BlogPost.Id.ToString()
+                                    entityId = Model.BlogPost.Id.ToString(),
+                                    urlFormat = $"/blogs/{Model.BlogSlug}?tagId={{TagId}}"
                                 })
                             }
                         }

modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/Public/CmsKit/Blogs/Index.cshtml.cs

@@ -24,6 +24,9 @@ public class IndexModel : CmsKitPublicPageModelBase
     [BindProperty(SupportsGet = true)]
     public Guid? AuthorId { get; set; }
 
+    [BindProperty(SupportsGet = true)]
+    public Guid? TagId { get; set; }
+
     public PagedResultDto<BlogPostPublicDto> Blogs { get; private set; }
 
     public PagerModel PagerModel => new PagerModel(Blogs.TotalCount, Blogs.Items.Count, CurrentPage, PageSize, Request.Path.ToString());
@@ -45,7 +48,8 @@ public class IndexModel : CmsKitPublicPageModelBase
             {
                 SkipCount = PageSize * (CurrentPage - 1),
                 MaxResultCount = PageSize,
-                AuthorId = AuthorId
+                AuthorId = AuthorId,
+                TagId = TagId
             });
 
         if (AuthorId != null)