From 52908a7496a7938144ab2f9a8a56225a59987e3b Mon Sep 17 00:00:00 2001
From: Yunus Emre Kalkan <emre.kalkan@volosoft.com>
Date: Tue, 28 Jul 2020 17:48:23 +0300
Subject: [PATCH] cmskit: commets initial files & backend

---
 .../Pages/Index.cshtml                        |  2 +
 .../Volo/CmsKit/Comments/CommentConsts.cs     | 11 +++
 .../Volo/CmsKit/Comments/Comment.cs           | 50 ++++++++++
 .../CmsKit/Comments/ICommentRepository.cs     | 15 +++
 .../Comments/EfCoreCommentRepository.cs       | 50 ++++++++++
 .../EntityFrameworkCore/CmsKitDbContext.cs    |  3 +
 .../CmsKitDbContextModelCreatingExtensions.cs | 16 ++++
 .../EntityFrameworkCore/ICmsKitDbContext.cs   |  3 +
 .../Volo/CmsKit/Comments/CommentDto.cs        | 21 +++++
 .../CmsKit/Comments/CommentWithRepliesDto.cs  | 22 +++++
 .../CmsKit/Comments/CreateCommentInput.cs     | 23 +++++
 .../Comments/ICommentPublicAppService.cs      | 19 ++++
 .../CmsKit/Comments/UpdateCommentInput.cs     | 13 +++
 .../Comments/CommentPublicAppService.cs       | 83 +++++++++++++++++
 .../PublicApplicationAutoMapperProfile.cs     |  7 +-
 .../Comments/CommentPublicController.cs       | 48 ++++++++++
 .../CommentingScriptBundleContributor.cs      | 15 +++
 .../CommentingStyleBundleContributor.cs       | 13 +++
 .../Commenting/CommentingViewComponent.cs     | 92 +++++++++++++++++++
 .../Components/Commenting/Default.cshtml      | 22 +++++
 .../Shared/Components/Commenting/default.css  | 13 +++
 .../Shared/Components/Commenting/default.js   | 76 +++++++++++++++
 22 files changed, 616 insertions(+), 1 deletion(-)
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.Domain.Shared/Volo/CmsKit/Comments/CommentConsts.cs
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Comments/Comment.cs
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Comments/ICommentRepository.cs
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/Comments/EfCoreCommentRepository.cs
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/CommentDto.cs
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/CommentWithRepliesDto.cs
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/CreateCommentInput.cs
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/ICommentPublicAppService.cs
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/UpdateCommentInput.cs
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.Public.Application/Volo/CmsKit/Comments/CommentPublicAppService.cs
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.Public.HttpApi/Volo/CmsKit/Comments/CommentPublicController.cs
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/CommentingScriptBundleContributor.cs
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/CommentingStyleBundleContributor.cs
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/CommentingViewComponent.cs
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/Default.cshtml
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/default.css
 create mode 100644 modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/default.js

diff --git a/modules/cms-kit/host/Volo.CmsKit.Web.Unified/Pages/Index.cshtml b/modules/cms-kit/host/Volo.CmsKit.Web.Unified/Pages/Index.cshtml
index 62ef15d4b7..a0d01ae300 100644
--- a/modules/cms-kit/host/Volo.CmsKit.Web.Unified/Pages/Index.cshtml
+++ b/modules/cms-kit/host/Volo.CmsKit.Web.Unified/Pages/Index.cshtml
@@ -2,6 +2,7 @@
 @using Localization.Resources.AbpUi
 @using Microsoft.Extensions.Localization
 @using Volo.CmsKit.Pages
+@using Volo.CmsKit.Web.Pages.CmsKit.Shared.Components.Commenting
 @using Volo.CmsKit.Web.Pages.CmsKit.Shared.Components.ReactionSelection
 @model IndexModel
 @inject IStringLocalizer<AbpUiResource> Localizer
@@ -23,6 +24,7 @@
     <abp-card-footer>
         @await Component.InvokeAsync(typeof(ReactionSelectionViewComponent), new { entityType = "quote", entityId = "1" })
     </abp-card-footer>
+        @await Component.InvokeAsync(typeof(CommentingViewComponent), new { entityType = "quote", entityId = "1" })
 </abp-card>
 
 <abp-card class="mb-3">
diff --git a/modules/cms-kit/src/Volo.CmsKit.Domain.Shared/Volo/CmsKit/Comments/CommentConsts.cs b/modules/cms-kit/src/Volo.CmsKit.Domain.Shared/Volo/CmsKit/Comments/CommentConsts.cs
new file mode 100644
index 0000000000..9fed054cae
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.Domain.Shared/Volo/CmsKit/Comments/CommentConsts.cs
@@ -0,0 +1,11 @@
+namespace Volo.CmsKit.Comments
+{
+    public static class CommentConsts
+    {
+        public static int EntityTypeLength { get; set; } = 64;
+
+        public static int EntityIdLength { get; set; } = 64;
+
+        public static int MaxTextLength { get; set; } = 512;
+    }
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Comments/Comment.cs b/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Comments/Comment.cs
new file mode 100644
index 0000000000..fdcdfe37c2
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Comments/Comment.cs
@@ -0,0 +1,50 @@
+using System;
+using JetBrains.Annotations;
+using Volo.Abp;
+using Volo.Abp.Auditing;
+using Volo.Abp.Domain.Entities;
+
+namespace Volo.CmsKit.Comments
+{
+    public class Comment: Entity<Guid>, IAggregateRoot<Guid>, IHasCreationTime, IMustHaveCreator
+    {
+        public virtual string EntityType { get; protected set; }
+
+        public virtual string EntityId { get; protected set; }
+
+        public virtual string Text { get; protected set; }
+
+        public virtual Guid? RepliedCommentId { get; protected set; }
+
+        public virtual Guid CreatorId { get; set; }
+
+        public virtual DateTime CreationTime { get; set; }
+
+        protected Comment()
+        {
+
+        }
+
+        public Comment(
+            Guid id,
+            [NotNull] string entityType,
+            [NotNull] string entityId,
+            [NotNull] string text,
+            Guid? repliedCommentId,
+            Guid creatorId)
+            : base(id)
+        {
+            EntityType = Check.NotNullOrWhiteSpace(entityType, nameof(entityType), CommentConsts.EntityTypeLength);
+            EntityId = Check.NotNullOrWhiteSpace(entityId, nameof(entityId), CommentConsts.EntityIdLength);
+            RepliedCommentId = repliedCommentId;
+            CreatorId = creatorId;
+
+            SetText(text);
+        }
+
+        public virtual void SetText(string text)
+        {
+            Text = Check.NotNullOrWhiteSpace(text, nameof(text), CommentConsts.MaxTextLength);
+        }
+    }
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Comments/ICommentRepository.cs b/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Comments/ICommentRepository.cs
new file mode 100644
index 0000000000..a189c8938e
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.Domain/Volo/CmsKit/Comments/ICommentRepository.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using JetBrains.Annotations;
+using Volo.Abp.Domain.Repositories;
+
+namespace Volo.CmsKit.Comments
+{
+    public interface ICommentRepository : IBasicRepository<Comment, Guid>
+    {
+        Task<List<Comment>> GetListAsync(
+            [NotNull] string entityType,
+            [NotNull] string entityId);
+    }
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/Comments/EfCoreCommentRepository.cs b/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/Comments/EfCoreCommentRepository.cs
new file mode 100644
index 0000000000..42e9de4f32
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/Comments/EfCoreCommentRepository.cs
@@ -0,0 +1,50 @@
+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;
+using Volo.CmsKit.EntityFrameworkCore;
+
+namespace Volo.CmsKit.Comments
+{
+    public class EfCoreCommentRepository : EfCoreRepository<ICmsKitDbContext, Comment, Guid>,
+        ICommentRepository
+    {
+        public EfCoreCommentRepository(IDbContextProvider<ICmsKitDbContext> dbContextProvider)
+            : base(dbContextProvider)
+        {
+        }
+
+        public async Task<List<Comment>> GetListAsync(
+            string entityType,
+            string entityId)
+        {
+            Check.NotNullOrWhiteSpace(entityType, nameof(entityType));
+            Check.NotNullOrWhiteSpace(entityId, nameof(entityId));
+
+            return await DbSet
+                .Where(x =>
+                    x.EntityType == entityType &&
+                    x.EntityId == entityId)
+                .ToListAsync();
+        }
+
+        public override async Task DeleteAsync(Guid id, bool autoSave = false, CancellationToken cancellationToken = default)
+        {
+            var replies = await DbSet
+                .Where(x => x.RepliedCommentId == id)
+                .ToListAsync(GetCancellationToken(cancellationToken));
+
+            foreach (var reply in replies)
+            {
+                await base.DeleteAsync(reply.Id, autoSave, GetCancellationToken(cancellationToken));
+            }
+
+            await base.DeleteAsync(id, autoSave, GetCancellationToken(cancellationToken));
+        }
+    }
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/EntityFrameworkCore/CmsKitDbContext.cs b/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/EntityFrameworkCore/CmsKitDbContext.cs
index e90e133d7f..01384a3aa1 100644
--- a/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/EntityFrameworkCore/CmsKitDbContext.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/EntityFrameworkCore/CmsKitDbContext.cs
@@ -1,6 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Volo.Abp.Data;
 using Volo.Abp.EntityFrameworkCore;
+using Volo.CmsKit.Comments;
 using Volo.CmsKit.Reactions;
 
 namespace Volo.CmsKit.EntityFrameworkCore
@@ -10,6 +11,8 @@ namespace Volo.CmsKit.EntityFrameworkCore
     {
         public DbSet<UserReaction> UserReactions { get; set; }
 
+        public DbSet<Comment> Comments { get; set; }
+
         public CmsKitDbContext(DbContextOptions<CmsKitDbContext> options)
             : base(options)
         {
diff --git a/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/EntityFrameworkCore/CmsKitDbContextModelCreatingExtensions.cs b/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/EntityFrameworkCore/CmsKitDbContextModelCreatingExtensions.cs
index 9eeb191f5b..e551412d5e 100644
--- a/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/EntityFrameworkCore/CmsKitDbContextModelCreatingExtensions.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/EntityFrameworkCore/CmsKitDbContextModelCreatingExtensions.cs
@@ -2,6 +2,7 @@
 using Microsoft.EntityFrameworkCore;
 using Volo.Abp;
 using Volo.Abp.EntityFrameworkCore.Modeling;
+using Volo.CmsKit.Comments;
 using Volo.CmsKit.Reactions;
 
 namespace Volo.CmsKit.EntityFrameworkCore
@@ -34,6 +35,21 @@ namespace Volo.CmsKit.EntityFrameworkCore
                 b.HasIndex(x => new { x.EntityType, x.EntityId });
                 b.HasIndex(x => new { x.CreatorId, x.EntityType, x.EntityId, x.ReactionName });
             });
+
+            builder.Entity<Comment>(b =>
+            {
+                b.ToTable(options.TablePrefix + "Comments", options.Schema);
+                b.ConfigureByConvention();
+
+                b.Property(x => x.EntityType).IsRequired().HasMaxLength(CommentConsts.EntityTypeLength);
+                b.Property(x => x.EntityId).IsRequired().HasMaxLength(CommentConsts.EntityIdLength);
+                b.Property(x => x.Text).IsRequired().HasMaxLength(CommentConsts.MaxTextLength);
+                b.Property(x => x.RepliedCommentId);
+                b.Property(x => x.CreationTime);
+
+                b.HasIndex(x => new { x.EntityType, x.EntityId });
+                b.HasIndex(x => new { x.RepliedCommentId });
+            });
         }
     }
 }
diff --git a/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/EntityFrameworkCore/ICmsKitDbContext.cs b/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/EntityFrameworkCore/ICmsKitDbContext.cs
index 9441986b23..ecd807d005 100644
--- a/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/EntityFrameworkCore/ICmsKitDbContext.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.EntityFrameworkCore/Volo/CmsKit/EntityFrameworkCore/ICmsKitDbContext.cs
@@ -1,6 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Volo.Abp.Data;
 using Volo.Abp.EntityFrameworkCore;
+using Volo.CmsKit.Comments;
 using Volo.CmsKit.Reactions;
 
 namespace Volo.CmsKit.EntityFrameworkCore
@@ -9,5 +10,7 @@ namespace Volo.CmsKit.EntityFrameworkCore
     public interface ICmsKitDbContext : IEfCoreDbContext
     {
          DbSet<UserReaction> UserReactions { get; }
+
+         DbSet<Comment> Comments { get; }
     }
 }
diff --git a/modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/CommentDto.cs b/modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/CommentDto.cs
new file mode 100644
index 0000000000..0852bab22e
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/CommentDto.cs
@@ -0,0 +1,21 @@
+using System;
+
+namespace Volo.CmsKit.Comments
+{
+    public class CommentDto
+    {
+        public Guid Id { get; set; }
+
+        public string EntityType { get; set; }
+
+        public string EntityId { get; set; }
+
+        public string Text { get; set; }
+
+        public Guid? RepliedCommentId { get; set; }
+
+        public Guid CreatorId { get; set; }
+
+        public DateTime CreationTime { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/CommentWithRepliesDto.cs b/modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/CommentWithRepliesDto.cs
new file mode 100644
index 0000000000..a9e682f856
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/CommentWithRepliesDto.cs
@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+
+namespace Volo.CmsKit.Comments
+{
+    public class CommentWithRepliesDto
+    {
+        public Guid Id { get; set; }
+
+        public string EntityType { get; set; }
+
+        public string EntityId { get; set; }
+
+        public string Text { get; set; }
+
+        public Guid CreatorId { get; set; }
+
+        public DateTime CreationTime { get; set; }
+
+        public List<CommentDto> Replies { get; set; }
+    }
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/CreateCommentInput.cs b/modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/CreateCommentInput.cs
new file mode 100644
index 0000000000..30b86b75f0
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/CreateCommentInput.cs
@@ -0,0 +1,23 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using Volo.Abp.Validation;
+
+namespace Volo.CmsKit.Comments
+{
+    public class CreateCommentInput
+    {
+        [Required]
+        [DynamicStringLength(typeof(CommentConsts), nameof(CommentConsts.EntityTypeLength))]
+        public string EntityType { get; set; }
+
+        [Required]
+        [DynamicStringLength(typeof(CommentConsts), nameof(CommentConsts.EntityIdLength))]
+        public string EntityId { get; set; }
+
+        [Required]
+        [DynamicStringLength(typeof(CommentConsts), nameof(CommentConsts.MaxTextLength))]
+        public string Text { get; set; }
+
+        public Guid? RepliedCommentId { get; set; }
+    }
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/ICommentPublicAppService.cs b/modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/ICommentPublicAppService.cs
new file mode 100644
index 0000000000..bffe742aca
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/ICommentPublicAppService.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using JetBrains.Annotations;
+using Volo.Abp.Application.Services;
+
+namespace Volo.CmsKit.Comments
+{
+    public interface ICommentPublicAppService : IApplicationService
+    {
+        Task<List<CommentWithRepliesDto>> GetAllForEntityAsync(string entityType, string entityId);
+
+        Task<CommentDto> CreateAsync(CreateCommentInput input);
+
+        Task<CommentDto> UpdateAsync(Guid id, UpdateCommentInput input);
+
+        Task DeleteAsync(Guid id);
+    }
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/UpdateCommentInput.cs b/modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/UpdateCommentInput.cs
new file mode 100644
index 0000000000..e084914626
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.Public.Application.Contracts/Volo/CmsKit/Comments/UpdateCommentInput.cs
@@ -0,0 +1,13 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using Volo.Abp.Validation;
+
+namespace Volo.CmsKit.Comments
+{
+    public class UpdateCommentInput
+    {
+        [Required]
+        [DynamicStringLength(typeof(CommentConsts), nameof(CommentConsts.MaxTextLength))]
+        public string Text { get; set; }
+    }
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.Public.Application/Volo/CmsKit/Comments/CommentPublicAppService.cs b/modules/cms-kit/src/Volo.CmsKit.Public.Application/Volo/CmsKit/Comments/CommentPublicAppService.cs
new file mode 100644
index 0000000000..7833460f0d
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.Public.Application/Volo/CmsKit/Comments/CommentPublicAppService.cs
@@ -0,0 +1,83 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
+using Volo.Abp;
+using Volo.Abp.Application.Services;
+
+namespace Volo.CmsKit.Comments
+{
+    [Authorize]
+    public class CommentPublicAppService : ApplicationService, ICommentPublicAppService
+    {
+        protected ICommentRepository CommentRepository { get; }
+
+        public CommentPublicAppService(ICommentRepository commentRepository)
+        {
+            CommentRepository = commentRepository;
+        }
+
+        public async Task<List<CommentWithRepliesDto>> GetAllForEntityAsync(string entityType, string entityId)
+        {
+            var comments = await CommentRepository.GetListAsync(entityType, entityId);
+
+            return ConvertCommentsToNestedStructure(comments);
+        }
+
+        public async Task<CommentDto> CreateAsync(CreateCommentInput input)
+        {
+            var comment = await CommentRepository.InsertAsync(new Comment(
+                GuidGenerator.Create(),
+                input.EntityType,
+                input.EntityId,
+                input.Text,
+                input.RepliedCommentId,
+                CurrentUser.Id.Value
+            ));
+
+            return ObjectMapper.Map<Comment, CommentDto>(comment);
+        }
+
+        public async Task<CommentDto> UpdateAsync(Guid id, UpdateCommentInput input)
+        {
+            var comment = await CommentRepository.GetAsync(id);
+
+            comment.SetText(input.Text);
+
+            var updatedComment = await CommentRepository.UpdateAsync(comment);
+
+            return ObjectMapper.Map<Comment, CommentDto>(updatedComment);
+        }
+
+        public async Task DeleteAsync(Guid id)
+        {
+            var comment = await CommentRepository.GetAsync(id);
+
+            if (comment.CreatorId != CurrentUser.Id)
+            {
+                throw new BusinessException();
+            }
+
+            await CommentRepository.DeleteAsync(id);
+        }
+
+        private List<CommentWithRepliesDto> ConvertCommentsToNestedStructure(List<Comment> comments)
+        {
+            var parentComments = comments
+                .Where(c=> c.RepliedCommentId == null)
+                .Select(c=> ObjectMapper.Map<Comment, CommentWithRepliesDto>(c))
+                .ToList();
+
+            foreach (var parentComment in parentComments)
+            {
+                parentComment.Replies = comments
+                    .Where(c => c.RepliedCommentId == parentComment.Id)
+                    .Select(c => ObjectMapper.Map<Comment, CommentDto>(c))
+                    .ToList();
+            }
+
+            return parentComments;
+        }
+    }
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.Public.Application/Volo/CmsKit/PublicApplicationAutoMapperProfile.cs b/modules/cms-kit/src/Volo.CmsKit.Public.Application/Volo/CmsKit/PublicApplicationAutoMapperProfile.cs
index e88dd5c4b3..695bb8376c 100644
--- a/modules/cms-kit/src/Volo.CmsKit.Public.Application/Volo/CmsKit/PublicApplicationAutoMapperProfile.cs
+++ b/modules/cms-kit/src/Volo.CmsKit.Public.Application/Volo/CmsKit/PublicApplicationAutoMapperProfile.cs
@@ -1,4 +1,6 @@
 using AutoMapper;
+using Volo.Abp.AutoMapper;
+using Volo.CmsKit.Comments;
 
 namespace Volo.CmsKit
 {
@@ -9,6 +11,9 @@ namespace Volo.CmsKit
             /* You can configure your AutoMapper mapping configuration here.
              * Alternatively, you can split your mapping configurations
              * into multiple profile classes for a better organization. */
+
+            CreateMap<Comment, CommentDto>();
+            CreateMap<Comment, CommentWithRepliesDto>().Ignore(x=> x.Replies);
         }
     }
-}
\ No newline at end of file
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.Public.HttpApi/Volo/CmsKit/Comments/CommentPublicController.cs b/modules/cms-kit/src/Volo.CmsKit.Public.HttpApi/Volo/CmsKit/Comments/CommentPublicController.cs
new file mode 100644
index 0000000000..cc5cedb309
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.Public.HttpApi/Volo/CmsKit/Comments/CommentPublicController.cs
@@ -0,0 +1,48 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Volo.Abp;
+
+namespace Volo.CmsKit.Comments
+{
+    [RemoteService(Name = CmsKitPublicRemoteServiceConsts.RemoteServiceName)]
+    [Area("cms-kit")]
+    [Route("api/cms-kit-public/comments")]
+    public class CommentPublicController :  CmsKitPublicControllerBase, ICommentPublicAppService
+    {
+        public ICommentPublicAppService CommentPublicAppService { get; }
+
+        public CommentPublicController(ICommentPublicAppService commentPublicAppService)
+        {
+            CommentPublicAppService = commentPublicAppService;
+        }
+
+        [HttpGet]
+        [Route("{entityType}/{entityId}")]
+        public Task<List<CommentWithRepliesDto>> GetAllForEntityAsync(string entityType, string entityId)
+        {
+            return CommentPublicAppService.GetAllForEntityAsync(entityType, entityId);
+        }
+
+        [HttpPost]
+        public Task<CommentDto> CreateAsync(CreateCommentInput input)
+        {
+            return CommentPublicAppService.CreateAsync(input);
+        }
+
+        [HttpPost]
+        [Route("{id}")]
+        public Task<CommentDto> UpdateAsync(Guid id, UpdateCommentInput input)
+        {
+            return CommentPublicAppService.UpdateAsync(id, input);
+        }
+
+        [HttpDelete]
+        [Route("update")]
+        public Task DeleteAsync(Guid id)
+        {
+            return CommentPublicAppService.DeleteAsync(id);
+        }
+    }
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/CommentingScriptBundleContributor.cs b/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/CommentingScriptBundleContributor.cs
new file mode 100644
index 0000000000..8f1b6ad38e
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/CommentingScriptBundleContributor.cs
@@ -0,0 +1,15 @@
+using System.Collections.Generic;
+using Volo.Abp.AspNetCore.Mvc.UI.Bundling;
+using Volo.Abp.AspNetCore.Mvc.UI.Packages.Bootstrap;
+using Volo.Abp.Modularity;
+
+namespace Volo.CmsKit.Web.Pages.CmsKit.Shared.Components.Commenting
+{
+    public class CommentingScriptBundleContributor : BundleContributor
+    {
+        public override void ConfigureBundle(BundleConfigurationContext context)
+        {
+            context.Files.AddIfNotContains("/Pages/CmsKit/Shared/Components/Commenting/default.js");
+        }
+    }
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/CommentingStyleBundleContributor.cs b/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/CommentingStyleBundleContributor.cs
new file mode 100644
index 0000000000..158c8e15d2
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/CommentingStyleBundleContributor.cs
@@ -0,0 +1,13 @@
+using System.Collections.Generic;
+using Volo.Abp.AspNetCore.Mvc.UI.Bundling;
+
+namespace Volo.CmsKit.Web.Pages.CmsKit.Shared.Components.Commenting
+{
+    public class CommentingStyleBundleContributor : BundleContributor
+    {
+        public override void ConfigureBundle(BundleConfigurationContext context)
+        {
+            context.Files.AddIfNotContains("/Pages/CmsKit/Shared/Components/Commenting/default.css");
+        }
+    }
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/CommentingViewComponent.cs b/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/CommentingViewComponent.cs
new file mode 100644
index 0000000000..d73174c1dc
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/CommentingViewComponent.cs
@@ -0,0 +1,92 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using JetBrains.Annotations;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Options;
+using Volo.Abp.AspNetCore.Mvc;
+using Volo.Abp.AspNetCore.Mvc.UI.Widgets;
+using Volo.CmsKit.Reactions;
+
+namespace Volo.CmsKit.Web.Pages.CmsKit.Shared.Components.Commenting
+{
+    [ViewComponent(Name = "CmsCommenting")]
+    [Widget(
+        ScriptTypes = new[] {typeof(CommentingScriptBundleContributor)},
+        StyleTypes = new[] {typeof(CommentingStyleBundleContributor)},
+        RefreshUrl = "/CmsKitPublicWidgets/Commenting"
+    )]
+    public class CommentingViewComponent : AbpViewComponent
+    {
+        protected IReactionPublicAppService ReactionPublicAppService { get; }
+
+        protected CmsKitUiOptions Options { get; }
+
+        public CommentingViewComponent(
+            IReactionPublicAppService reactionPublicAppService,
+            IOptions<CmsKitUiOptions> options)
+        {
+        }
+
+        public virtual async Task<IViewComponentResult> InvokeAsync(
+            string entityType,
+            string entityId)
+        {
+
+            return View("~/Pages/CmsKit/Shared/Components/Commenting/Default.cshtml", new CommentingViewModel
+            {
+                EntityType = entityType,
+                EntityId = entityId,
+                Reactions = new List<CommentViewModel>()
+            });
+
+            var result = await ReactionPublicAppService.GetForSelectionAsync(entityType, entityId);
+
+            var viewModel = new CommentingViewModel
+            {
+                EntityType = entityType,
+                EntityId = entityId,
+                Reactions = new List<CommentViewModel>()
+            };
+
+            foreach (var reactionDto in result.Items)
+            {
+                viewModel.Reactions.Add(
+                    new CommentViewModel //TODO: AutoMap
+                    {
+                        Name = reactionDto.Reaction.Name,
+                        DisplayName = reactionDto.Reaction.DisplayName,
+                        Icon = Options.ReactionIcons.GetLocalizedIcon(reactionDto.Reaction.Name),
+                        Count = reactionDto.Count,
+                        IsSelectedByCurrentUser = reactionDto.IsSelectedByCurrentUser
+                    });
+            }
+
+            return View("~/Pages/CmsKit/Shared/Components/Commenting/Default.cshtml", viewModel);
+        }
+
+        public class CommentingViewModel
+        {
+            public string EntityType { get; set; }
+
+            public string EntityId { get; set; }
+
+            public List<CommentViewModel> Reactions { get; set; }
+        }
+
+        public class CommentViewModel
+        {
+            [NotNull]
+            public string Name { get; set; }
+
+            [CanBeNull]
+            public string DisplayName { get; set; }
+
+            [NotNull]
+            public string Icon { get; set; }
+
+            public int Count { get; set; }
+
+            public bool IsSelectedByCurrentUser { get; set; }
+        }
+    }
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/Default.cshtml b/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/Default.cshtml
new file mode 100644
index 0000000000..af2f1d2fea
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/Default.cshtml
@@ -0,0 +1,22 @@
+@model Volo.CmsKit.Web.Pages.CmsKit.Shared.Components.Commenting.CommentingViewComponent.CommentingViewModel
+<div class="cms-comment-area" data-entity-type="@Model.EntityType" data-entity-id="@Model.EntityId">
+    <div class="comment p-3 pl-5">
+        <h5> <i class="fa fa-comment-o"></i> Yunus Emre Kalkan </h5>
+        <p>
+            Lorem Ipsum is simply dummy text of the printing and typesetting industry.
+            Lorem Ipsum has been the industry's standard dummy text ever since the 1500s,
+            when an unknown printer took a galley of type and scrambled it to make a type specimen book.
+            It has survived not only five centuries, but also the leap into electronic typesetting.
+        </p>
+    </div>
+    <hr/>
+    <div class="comment p-3 pl-5">
+        <h5> <i class="fa fa-comment-o"></i> Yunus Emre Kalkan </h5>
+        <p>
+            Lorem Ipsum is simply dummy text of the printing and typesetting industry.
+            Lorem Ipsum has been the industry's standard dummy text ever since the 1500s,
+            when an unknown printer took a galley of type and scrambled it to make a type specimen book.
+            It has survived not only five centuries, but also the leap into electronic typesetting.
+        </p>
+    </div>
+</div>
diff --git a/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/default.css b/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/default.css
new file mode 100644
index 0000000000..8e27846c5c
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/default.css
@@ -0,0 +1,13 @@
+.cms-reaction-select-icon
+{
+    cursor: pointer;
+}
+.cms-reaction-icon
+{
+    cursor: pointer;
+    padding: 3px 5px 5px;
+}
+.cms-reaction-icon-selected
+{
+    background-color: #eef;
+}
diff --git a/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/default.js b/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/default.js
new file mode 100644
index 0000000000..543e56e216
--- /dev/null
+++ b/modules/cms-kit/src/Volo.CmsKit.Public.Web/Pages/CmsKit/Shared/Components/Commenting/default.js
@@ -0,0 +1,76 @@
+(function ($) {
+
+   /*
+    var l = abp.localization.getResource('CmsKit');
+
+    var myDefaultWhiteList = $.fn.tooltip.Constructor.Default.whiteList;
+
+    if (myDefaultWhiteList.span.indexOf('data-reaction-name') < 0) {
+        myDefaultWhiteList.span.push('data-reaction-name');
+    }
+
+    $(document).ready(function () {
+
+        abp.widgets.CmsReactionSelection = function ($widget) {
+            var widgetManager = $widget.data('abp-widget-manager');
+            var $reactionArea = $widget.find('.cms-reaction-area');
+            var $selectIcon = $widget.find('.cms-reaction-select-icon');
+            var $popoverContent = $widget.find('.cms-reaction-selection-popover-content');
+
+            function getFilters() {
+                return {
+                    entityType: $reactionArea.attr('data-entity-type'),
+                    entityId: $reactionArea.attr('data-entity-id')
+                };
+            }
+
+            function registerClickOfReactionIcons($container) {
+                $container.find('.cms-reaction-icon').each(function () {
+                    var $icon = $(this);
+                    $icon.click(function () {
+                        var methodName = $icon.hasClass('cms-reaction-icon-selected') ? 'delete' : 'create';
+                        volo.cmsKit.reactions.reactionPublic[methodName](
+                            $.extend(getFilters(), {
+                                reactionName: $icon.attr('data-reaction-name')
+                            })
+                        ).then(function () {
+                            $selectIcon.popover('hide');
+                            widgetManager.refresh($widget);
+                        });
+                    });
+                });
+            }
+
+            function init() {
+
+                $selectIcon.popover({
+                    placement: 'right',
+                    html: true,
+                    trigger: 'focus',
+                    title: l('PickYourReaction'),
+                    content: $popoverContent.html()
+                }).on('shown.bs.popover', function () {
+                    var $popover = $('#' + $selectIcon.attr('aria-describedby'));
+                    registerClickOfReactionIcons($popover);
+                });
+
+                registerClickOfReactionIcons($widget);
+            }
+
+            return {
+                init: init,
+                getFilters: getFilters
+            };
+        };
+
+        $('.abp-widget-wrapper[data-widget-name="CmsCommenting"]')
+            .each(function () {
+                var widgetManager = new abp.WidgetManager({
+                    wrapper: $(this),
+                });
+
+                widgetManager.init();
+            });
+    });
+    */
+})(jQuery);