From 9d32aa27c00978f15074fa44abcbf9f9bdc5fb30 Mon Sep 17 00:00:00 2001
From: Hamid Reza Mohammadi <mohammadi.hr@gmail.com>
Date: Wed, 22 Jul 2026 19:30:16 +0330
Subject: [PATCH] #495 RateCommentAsync

---
 RMuseum/DbContext/RMuseumDbContext.cs         |  6 ++++-
 .../Models/Ganjoor/GanjoorCommentReaction.cs  |  1 +
 .../GanjoorService-CommentRating.cs           | 24 +++++++++++--------
 3 files changed, 20 insertions(+), 11 deletions(-)

diff --git a/RMuseum/DbContext/RMuseumDbContext.cs b/RMuseum/DbContext/RMuseumDbContext.cs
index 27f82054..e5c28c25 100644
--- a/RMuseum/DbContext/RMuseumDbContext.cs
+++ b/RMuseum/DbContext/RMuseumDbContext.cs
@@ -249,7 +249,11 @@ namespace RMuseum.DbContext
             builder.Entity<GanjoorPoem>()
             .Property(e => e.PoemSummary)
             .HasMaxLength(3000);
-          
+
+            builder.Entity<GanjoorCommentReaction>()
+               .HasIndex(i => new { i.GanjoorCommentId, i.UserId })
+               .IsUnique();
+
         }
 
 
diff --git a/RMuseum/Models/Ganjoor/GanjoorCommentReaction.cs b/RMuseum/Models/Ganjoor/GanjoorCommentReaction.cs
index af7df590..5b8e199f 100644
--- a/RMuseum/Models/Ganjoor/GanjoorCommentReaction.cs
+++ b/RMuseum/Models/Ganjoor/GanjoorCommentReaction.cs
@@ -10,6 +10,7 @@ namespace RMuseum.Models.Ganjoor
         public int GanjoorCommentId { get; set; }
         public virtual GanjoorComment GanjoorComment { get; set; }
 
+        public int PoemId { get; set; }
         public Guid UserId { get; set; }
         public virtual RAppUser User { get; set; }
 
diff --git a/RMuseum/Services/Implementation/GanjoorService-Partials/GanjoorService-CommentRating.cs b/RMuseum/Services/Implementation/GanjoorService-Partials/GanjoorService-CommentRating.cs
index 456bfa34..78c00ce1 100644
--- a/RMuseum/Services/Implementation/GanjoorService-Partials/GanjoorService-CommentRating.cs
+++ b/RMuseum/Services/Implementation/GanjoorService-Partials/GanjoorService-CommentRating.cs
@@ -28,6 +28,12 @@ namespace RMuseum.Services.Implementation
             }
             try
             {
+                var comment = await _context.GanjoorComments.Where(c => c.Id == commentId).SingleOrDefaultAsync();
+                if (comment == null)
+                {
+                    return new RServiceResult<bool>(false, "comment == null");
+                }
+
                 var oldRating = await _context.GanjoorCommentReactions.Where(c => c.GanjoorCommentId == commentId && c.UserId == userId).SingleOrDefaultAsync();
                 if(value == 0 && oldRating == null)
                 {
@@ -51,20 +57,21 @@ namespace RMuseum.Services.Implementation
                     }
                     await _context.SaveChangesAsync();
 
-                    return await ReCalculateCommentSortKeyAsync(commentId);
+                    return await ReCalculateCommentSortKeyAsync(comment);
                 }
                 else 
                 {
                     var rating = new GanjoorCommentReaction()
                     {
                         GanjoorCommentId = commentId,
+                        PoemId = comment.PoemId,
                         UserId = userId,
                         Value = value,
                         ReactionDate = DateTime.Now,
                     };
                     _context.Add(rating);
                     await _context.SaveChangesAsync();
-                    return await ReCalculateCommentSortKeyAsync(commentId);
+                    return await ReCalculateCommentSortKeyAsync(comment);
                 }
 
             }
@@ -74,17 +81,14 @@ namespace RMuseum.Services.Implementation
             }
         }
 
-        private async Task<RServiceResult<bool>> ReCalculateCommentSortKeyAsync(int commentId)
+        private async Task<RServiceResult<bool>> ReCalculateCommentSortKeyAsync(GanjoorComment comment)
         {
             try
             {
-                var likes = await _context.GanjoorCommentReactions.AsNoTracking().Where(r => r.GanjoorCommentId == commentId && r.Value == 1).SumAsync(r => r.Value);
-                var dislikes = await _context.GanjoorCommentReactions.AsNoTracking().Where(r => r.GanjoorCommentId == commentId && r.Value == -1).SumAsync(r => r.Value);
-                var comment = await _context.GanjoorComments.Where(c => c.Id == commentId).SingleOrDefaultAsync();
-                if(comment == null)
-                {
-                    return new RServiceResult<bool>(false, "comment == null");
-                }
+                var likes = await _context.GanjoorCommentReactions.AsNoTracking().Where(r => r.GanjoorCommentId == comment.Id && r.Value == 1).SumAsync(r => r.Value);
+                var dislikes = await _context.GanjoorCommentReactions.AsNoTracking().Where(r => r.GanjoorCommentId == comment.Id && r.Value == -1).SumAsync(r => r.Value);
+                comment.LikeCount = likes;
+                comment.DislikeCount = dislikes;
                 comment.SortKey = GanjoorCommentRankingScoreCalculator.ComputeRankingScore(likes, dislikes);
                 _context.Update(comment);
                 await _context.SaveChangesAsync();