trim parsed music video titles (#152)

ErsatzTV.Core/Metadata/FallbackMetadataProvider.cs

@@ -133,8 +133,8 @@ namespace ErsatzTV.Core.Metadata
                 Match match = Regex.Match(fileName, PATTERN);
                 if (match.Success)
                 {
-                    metadata.Artist = match.Groups[1].Value;
-                    metadata.Title = match.Groups[2].Value;
+                    metadata.Artist = match.Groups[1].Value.Trim();
+                    metadata.Title = match.Groups[2].Value.Trim();
                     metadata.Genres = new List<Genre>();
                     metadata.Tags = new List<Tag>();
                     metadata.Studios = new List<Studio>();

ErsatzTV.Infrastructure/Migrations/20210407212003_Update_MusicVideoMetadata_Title.cs

@@ -0,0 +1,21 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace ErsatzTV.Infrastructure.Migrations
+{
+    public partial class Update_MusicVideoMetadata_Title : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql(
+                @"UPDATE MusicVideoMetadata SET DateUpdated = '0001-01-01 00:00:00' WHERE MetadataKind = 0");
+
+            migrationBuilder.Sql(
+                @"UPDATE LibraryPath SET LastScan = '0001-01-01 00:00:00' WHERE LibraryId IN
+                (SELECT Id FROM Library WHERE MediaKind = 3)");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+        }
+    }
+}

ErsatzTV/Shared/FragmentLetterAnchor.razor

@@ -4,21 +4,25 @@
 @{ var letters = new System.Collections.Generic.HashSet<char>(); }
 @foreach (TCard card in Cards.Filter(c => !string.IsNullOrWhiteSpace(c.Title)).OrderBy(c => c.SortTitle))
 {
-    @if (!letters.Contains(card.SortTitle.Head()))
+    Option<char> maybeLetter = card.SortTitle.ToLowerInvariant().HeadOrNone();
+    if (maybeLetter.IsSome)
     {
-        Option<char> maybeLetter = card.SortTitle.ToLowerInvariant().HeadOrNone();
-        if (maybeLetter.IsSome)
+        char letter = maybeLetter.ValueUnsafe();
+        if (char.IsDigit(letter) || !char.IsLetter(letter))
+        {
+            letter = '#';
+        }
+        if (!letters.Contains(letter))
         {
-            char letter = maybeLetter.ValueUnsafe();
-            if (letter >= '0' && letter <= '9')
-            {
-                letter = '#';
-            }
             letters.Add(letter);
             <div id="@($"letter-{letter}")" style="scroll-margin-top: 128px">
                 @ChildContent(card)
             </div>
         }
+        else
+        {
+            @ChildContent(card)
+        }
     }
     else
     {

ErsatzTV/Shared/MediaCard.razor

@@ -1,5 +1,6 @@
 @using ErsatzTV.Application.MediaCards
 @using Unit = LanguageExt.Unit
+@using static LanguageExt.Prelude
 @inject IMediator Mediator
 
 <div class="@((ContainerClass ?? "media-card-container mr-6") + " pb-3")" id="@($"item_{Data.MediaItemId}")">
@@ -125,8 +126,8 @@
             return Placeholder;
         }
 
-        string first = sortTitle?.Substring(0, 1).ToUpperInvariant() ?? string.Empty;
-        return int.TryParse(first, out _) ? "#" : first;
+        char first = Optional(sortTitle).Map(t => t.ToUpperInvariant().HeadOrNone()).Flatten().Match(head => head, () => ' ');
+        return char.IsDigit(first) || !char.IsLetter(first) ? "#" : first.ToString();
     }
 
     private string ArtworkForItem() => string.IsNullOrWhiteSpace(Data.Poster)