Performance improvement for mini details page.

MiniIndex/Pages/Minis/Details.cshtml

@@ -1,4 +1,5 @@
 @page
+@using MiniIndex.Models;
 @model MiniIndex.Pages.Minis.DetailsModel
 @inject SignInManager<IdentityUser> SignInManager
 @{
@@ -42,8 +43,6 @@
     <h2>@Html.DisplayFor(model => model.Mini.Name) by <a href="/Creators/[email protected]">@Html.DisplayFor(model => model.Mini.Creator.Name)</a></h2>
     <hr />
 
-
-
     <div class="row">
         <div class="col-md-4" align="center">
             <div class="row">
@@ -127,7 +126,6 @@
                 }
             </div>
             <div id="AddedTags">
-
             </div>
         </div>
     </div>
@@ -147,19 +145,18 @@
 
                 <div id="UnusedTags">
 
-                    @if (User.IsInRole("Moderator") && Model.SimilarTags.Count > 0)
+                    @if (User.IsInRole("Moderator") && Model.RecommendedTags.Any())
                     {
                         <div class="add-tag-div">
                             <h3 class="add-tag-header">Recommended Tags</h3>
-                            @foreach (var Tag in Model.SimilarTags)
+                            @foreach (var Tag in Model.RecommendedTags)
                             {
                                 <a href="#" id="@Tag.ID" class="btn btn-outline-success add-tag" style="margin-top:5px;">+ @Tag.TagName</a>
                             }
                         </div>
-                        <hr/>
+                        <hr />
                     }
 
-
                     <div class="add-tag-div">
                         <h3 class="add-tag-header">Genre</h3>
                         @foreach (var Tag in Model.UnusedTags.Where(m => m.Category.ToString() == "Genre"))
@@ -179,12 +176,12 @@
                     @{var PreviousCategory = "";}
                     <div class="add-tag-div">
 
-
-                        @foreach (var Tag in Model.UnusedTags.Where(m => !string.IsNullOrEmpty(m.Category.ToString())
-                                                                   && m.Category.ToString() != "Genre"
-                                                                   && m.Category.ToString() != "OtherDescription"
-                                                                   && m.Category.ToString() != "CreatureName"
-                                                                    && m.Category.ToString() != "Use"))
+                        @foreach (var Tag in Model.UnusedTags
+                            .Where(m => !string.IsNullOrEmpty(m.Category.ToString())
+                                && m.Category != TagCategory.Genre
+                                && m.Category != TagCategory.OtherDescription
+                                && m.Category != TagCategory.CreatureName
+                                && m.Category != TagCategory.Use))
                         {
                             @if (Tag.Category.ToString() != PreviousCategory)
                             {
@@ -219,10 +216,7 @@
                     }
                 </div>
                 <a href="#" id="AddNewTag" class="btn btn-success" style="margin-top:5px;">+ Add as new tag</a>
-
             </div>
         </div>
     }
-
-
 </div>

MiniIndex/Pages/Minis/Details.cshtml.cs

@@ -28,7 +28,7 @@ public DetailsModel(UserManager<IdentityUser> userManager, MiniIndexContext cont
         public List<Tag> UnusedTags { get; set; }
         public List<Tag> MiscTags { get; set; }
         public List<Tag> WordMatchingTags { get; set; }
-        public List<Tag> SimilarTags { get; set; }
+        public List<Tag> RecommendedTags { get; set; }
         public bool IsStarred { get; set; }
 
         public async Task<IActionResult> OnGetAsync(int? id)
@@ -73,29 +73,26 @@ public async Task<IActionResult> OnGetAsync(int? id)
 
             if (User.IsInRole("Moderator"))
             {
-                string[] NameSplit = Mini.Name.ToLower().Split(' ');
+                string[] nameSplit = Mini.Name.ToUpperInvariant().Split(' ');
 
-                WordMatchingTags = _context.Tag
-                    .Where(t => NameSplit.Contains(t.TagName.ToLower()))
+                RecommendedTags = UnusedTags
+                    .Where(t => nameSplit.Contains(t.TagName.ToUpperInvariant()))
                     .ToList();
 
-                //TODO - I'm sure someone who knows LINQ could clean this up a lot.
-                if (WordMatchingTags.Count > 0)
-                {
-                    List<Mini> SimilarMinis = _context.Mini
-                                .Include(m => m.MiniTags)
-                                    .ThenInclude(mt => mt.Tag)
-                                    .AsEnumerable()
-                                .Where(m => m.MiniTags.Select(mt => mt.Tag).Intersect(WordMatchingTags).Any())
-                                .ToList();
-
-                    List<MiniTag> SimilarMiniTags = SimilarMinis.SelectMany(m => m.MiniTags).ToList();
-                    SimilarTags = SimilarMiniTags.GroupBy(mt => mt.Tag).Select(grp => grp.First().Tag).Except(Mini.MiniTags.Select(mt => mt.Tag)).ToList();
-                }
-                else
-                {
-                    SimilarTags = new List<Tag>();
-                }
+                //if (WordMatchingTags.Count > 0)
+                //{
+                //    var similarlyTaggedMinis = await _context.Set<Mini>()
+                //        .Where(m => m.ID != id)
+                //        .Select(m => new
+                //        {
+                //            mini = m,
+                //            matchingTags = m.MiniTags.Where(mt => WordMatchingTags.Contains(mt.Tag)).Count()
+                //        })
+                //        .Where(x => x.matchingTags > 0)
+                //        .OrderBy(x => x.matchingTags)
+                //        .Select(x => x.mini)
+                //        .ToListAsync();
+                //}
             }
 
             return Page();