index for GanjoorPostId in narrations

RMuseum/DbContext/RMuseumDbContext.cs

@@ -71,6 +71,9 @@ namespace RMuseum.DbContext
             builder.Entity<RTagValue>()
                 .HasIndex(t => t.FriendlyUrl);
 
+            builder.Entity<PoemNarration>()
+                .HasIndex(p => p.GanjoorPostId);
+
             builder.Entity<GanjoorCat>()
                 .HasIndex(c => c.FullUrl);
 

RMuseum/Migrations/20201025094846_GanjoorPostIdIndex.cs

@@ -0,0 +1,22 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace RMuseum.Migrations
+{
+    public partial class GanjoorPostIdIndex : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateIndex(
+                name: "IX_AudioFiles_GanjoorPostId",
+                table: "AudioFiles",
+                column: "GanjoorPostId");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_AudioFiles_GanjoorPostId",
+                table: "AudioFiles");
+        }
+    }
+}

RMuseum/Migrations/RMuseumDbContextModelSnapshot.cs

@@ -340,7 +340,7 @@ namespace RMuseum.Migrations
                 {
                     b.Property<int>("Id")
                         .HasColumnType("int");
-                   
+
                     b.Property<string>("FullUrl")
                         .HasColumnType("nvarchar(450)");
 
@@ -371,7 +371,7 @@ namespace RMuseum.Migrations
                 {
                     b.Property<int>("Id")
                         .HasColumnType("int");
-                   
+
                     b.Property<int>("CatId")
                         .HasColumnType("int");
 
@@ -515,6 +515,8 @@ namespace RMuseum.Migrations
 
                     b.HasKey("Id");
 
+                    b.HasIndex("GanjoorPostId");
+
                     b.HasIndex("OwnerId");
 
                     b.HasIndex("ReviewerId");

RMuseum/Models/GanjoorAudio/ViewModels/PoemNarrationViewModel.cs

@@ -14,6 +14,7 @@ namespace RMuseum.Models.GanjoorAudio.ViewModels
         /// constructor
         /// </summary>
         /// <param name="src"></param>
+        /// <param name="poem"></param>
         public PoemNarrationViewModel(PoemNarration src, GanjoorPoem poem)
         {
             Id = src.Id;

RMuseum/RMuseum.xml

@@ -2051,6 +2051,7 @@
             constructor
             </summary>
             <param name="src"></param>
+            <param name="poem"></param>
         </member>
         <member name="P:RMuseum.Models.GanjoorAudio.ViewModels.PoemNarrationViewModel.Id">
             <summary>

RMuseum/Services/Implementation/AudioNarrationService.cs

@@ -39,7 +39,7 @@ namespace RMuseum.Services.Implementation
             try
             {
                 var source =
-                     from audio in _context.AudioFiles
+                     _context.AudioFiles
                      .Include(a => a.Owner)
                      .Where(a =>
                             (filteredUserId == Guid.Empty || a.OwnerId == filteredUserId)
@@ -47,9 +47,12 @@ namespace RMuseum.Services.Implementation
                             (status == AudioReviewStatus.All || a.ReviewStatus == status)
                      )
                     .OrderByDescending(a => a.UploadDate)
-                     join poem in _context.GanjoorPoems
-                     on audio.GanjoorPostId equals poem.Id
-                     select new PoemNarrationViewModel(audio, poem);
+                    .Join(
+                         _context.GanjoorPoems,
+                         audio => audio.GanjoorPostId,
+                         poem => poem.Id,
+                         (audio, poem) => new PoemNarrationViewModel(audio, poem)
+                         );