From d49494476770b3c0a091841bd3bbd44862fb8137 Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Sun, 9 Mar 2014 18:14:44 -0400
Subject: calculate item by name counts on the fly

---
 MediaBrowser.Api/UserLibrary/ArtistsService.cs     | 14 ++++----
 .../UserLibrary/BaseItemsByNameService.cs          | 38 +++++++++++-----------
 MediaBrowser.Api/UserLibrary/GameGenresService.cs  |  9 ++---
 MediaBrowser.Api/UserLibrary/GenresService.cs      |  9 ++---
 MediaBrowser.Api/UserLibrary/MusicGenresService.cs |  9 ++---
 MediaBrowser.Api/UserLibrary/PersonsService.cs     |  9 ++---
 MediaBrowser.Api/UserLibrary/StudiosService.cs     |  9 ++---
 MediaBrowser.Api/UserLibrary/YearsService.cs       | 19 ++---------
 8 files changed, 37 insertions(+), 79 deletions(-)

(limited to 'MediaBrowser.Api/UserLibrary')

diff --git a/MediaBrowser.Api/UserLibrary/ArtistsService.cs b/MediaBrowser.Api/UserLibrary/ArtistsService.cs
index a96630efe4..9972ac3eff 100644
--- a/MediaBrowser.Api/UserLibrary/ArtistsService.cs
+++ b/MediaBrowser.Api/UserLibrary/ArtistsService.cs
@@ -85,10 +85,10 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 var user = UserManager.GetUserById(request.UserId.Value);
 
-                return DtoService.GetBaseItemDto(item, fields.ToList(), user);
+                return DtoService.GetItemByNameDto(item, fields.ToList(), user);
             }
 
-            return DtoService.GetBaseItemDto(item, fields.ToList());
+            return DtoService.GetItemByNameDto(item, fields.ToList());
         }
 
         /// <summary>
@@ -111,7 +111,10 @@ namespace MediaBrowser.Api.UserLibrary
         /// <returns>IEnumerable{Tuple{System.StringFunc{System.Int32}}}.</returns>
         protected override IEnumerable<MusicArtist> GetAllItems(GetItemsByName request, IEnumerable<BaseItem> items)
         {
-            return LibraryManager.GetAllArtists(items)
+            return items
+                .OfType<Audio>()
+                .SelectMany(i => i.AllArtists)
+                .Distinct(StringComparer.OrdinalIgnoreCase)
                 .Select(name =>
                 {
                     try
@@ -126,10 +129,5 @@ namespace MediaBrowser.Api.UserLibrary
 
                 }).Where(i => i != null);
         }
-
-        protected override IEnumerable<BaseItem> GetLibraryItems(MusicArtist item, IEnumerable<BaseItem> libraryItems)
-        {
-            return libraryItems.OfType<IHasArtist>().Where(i => i.HasArtist(item.Name)).Cast<BaseItem>();
-        }
     }
 }
diff --git a/MediaBrowser.Api/UserLibrary/BaseItemsByNameService.cs b/MediaBrowser.Api/UserLibrary/BaseItemsByNameService.cs
index 12b3fd0154..d21014dfed 100644
--- a/MediaBrowser.Api/UserLibrary/BaseItemsByNameService.cs
+++ b/MediaBrowser.Api/UserLibrary/BaseItemsByNameService.cs
@@ -56,15 +56,21 @@ namespace MediaBrowser.Api.UserLibrary
         {
             User user = null;
             BaseItem item;
+            List<BaseItem> libraryItems;
 
             if (request.UserId.HasValue)
             {
                 user = UserManager.GetUserById(request.UserId.Value);
                 item = string.IsNullOrEmpty(request.ParentId) ? user.RootFolder : DtoService.GetItemByDtoId(request.ParentId, user.Id);
+
+                libraryItems = user.RootFolder.GetRecursiveChildren(user).ToList();
+
             }
             else
             {
                 item = string.IsNullOrEmpty(request.ParentId) ? LibraryManager.RootFolder : DtoService.GetItemByDtoId(request.ParentId);
+
+                libraryItems = LibraryManager.RootFolder.RecursiveChildren.ToList();
             }
 
             IEnumerable<BaseItem> items;
@@ -93,7 +99,7 @@ namespace MediaBrowser.Api.UserLibrary
 
             var filteredItems = FilterItems(request, extractedItems, user);
 
-            filteredItems = FilterByLibraryItems(request, filteredItems, user);
+            filteredItems = FilterByLibraryItems(request, filteredItems, user, libraryItems);
 
             filteredItems = ItemsService.ApplySortOrder(request, filteredItems, user, LibraryManager).Cast<TItemType>();
 
@@ -122,45 +128,39 @@ namespace MediaBrowser.Api.UserLibrary
 
             var fields = request.GetItemFields().ToList();
 
-            var dtos = ibnItems.Select(i => GetDto(i, user, fields));
+            var tuples = ibnItems.Select(i => new Tuple<TItemType, List<BaseItem>>(i, i.GetTaggedItems(libraryItems).ToList()));
+
+            var dtos = tuples.Select(i => GetDto(i.Item1, user, fields, i.Item2));
 
             result.Items = dtos.Where(i => i != null).ToArray();
 
             return result;
         }
 
-        private IEnumerable<TItemType> FilterByLibraryItems(GetItemsByName request, IEnumerable<TItemType> items, User user)
+        private IEnumerable<TItemType> FilterByLibraryItems(GetItemsByName request, IEnumerable<TItemType> items, User user, IEnumerable<BaseItem> libraryItems)
         {
             var filters = request.GetFilters().ToList();
 
             if (filters.Contains(ItemFilter.IsPlayed))
             {
-                var libraryItems = user.RootFolder.GetRecursiveChildren(user).ToList();
-
-                items = items.Where(i => GetLibraryItems(i, libraryItems).All(l => l.IsPlayed(user)));
+                items = items.Where(i => i.GetTaggedItems(libraryItems).All(l => l.IsPlayed(user)));
             }
 
             if (filters.Contains(ItemFilter.IsUnplayed))
             {
-                var libraryItems = user.RootFolder.GetRecursiveChildren(user).ToList();
-
-                items = items.Where(i => GetLibraryItems(i, libraryItems).All(l => l.IsUnplayed(user)));
+                items = items.Where(i => i.GetTaggedItems(libraryItems).All(l => l.IsUnplayed(user)));
             }
 
             if (request.IsPlayed.HasValue)
             {
                 var val = request.IsPlayed.Value;
 
-                var libraryItems = user.RootFolder.GetRecursiveChildren(user).ToList();
-
-                items = items.Where(i => GetLibraryItems(i, libraryItems).All(l => l.IsPlayed(user)) == val);
+                items = items.Where(i => i.GetTaggedItems(libraryItems).All(l => l.IsPlayed(user)) == val);
             }
 
             return items;
         }
 
-        protected abstract IEnumerable<BaseItem> GetLibraryItems(TItemType item, IEnumerable<BaseItem> libraryItems);
-
         /// <summary>
         /// Filters the items.
         /// </summary>
@@ -176,7 +176,7 @@ namespace MediaBrowser.Api.UserLibrary
             }
             if (!string.IsNullOrEmpty(request.NameStartsWith))
             {
-               items = items.Where(i => string.Compare(request.NameStartsWith, i.SortName.Substring(0, 1), StringComparison.CurrentCultureIgnoreCase) == 0);
+                items = items.Where(i => string.Compare(request.NameStartsWith, i.SortName.Substring(0, 1), StringComparison.CurrentCultureIgnoreCase) == 0);
             }
 
             if (!string.IsNullOrEmpty(request.NameLessThan))
@@ -292,11 +292,11 @@ namespace MediaBrowser.Api.UserLibrary
         /// <param name="item">The item.</param>
         /// <param name="user">The user.</param>
         /// <param name="fields">The fields.</param>
+        /// <param name="libraryItems">The library items.</param>
         /// <returns>Task{DtoBaseItem}.</returns>
-        private BaseItemDto GetDto(TItemType item, User user, List<ItemFields> fields)
+        private BaseItemDto GetDto(TItemType item, User user, List<ItemFields> fields, List<BaseItem> libraryItems)
         {
-            var dto = user == null ? DtoService.GetBaseItemDto(item, fields) :
-                 DtoService.GetBaseItemDto(item, fields, user);
+            var dto = DtoService.GetItemByNameDto(item, fields, libraryItems, user);
 
             return dto;
         }
@@ -322,7 +322,7 @@ namespace MediaBrowser.Api.UserLibrary
 
         [ApiMember(Name = "NameLessThan", Description = "Optional filter by items whose name is sorted less than a given input string.", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
         public string NameLessThan { get; set; }
-        
+
         public GetItemsByName()
         {
             Recursive = true;
diff --git a/MediaBrowser.Api/UserLibrary/GameGenresService.cs b/MediaBrowser.Api/UserLibrary/GameGenresService.cs
index d282ee091d..34eadc3c35 100644
--- a/MediaBrowser.Api/UserLibrary/GameGenresService.cs
+++ b/MediaBrowser.Api/UserLibrary/GameGenresService.cs
@@ -76,10 +76,10 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 var user = UserManager.GetUserById(request.UserId.Value);
 
-                return DtoService.GetBaseItemDto(item, fields.ToList(), user);
+                return DtoService.GetItemByNameDto(item, fields.ToList(), user);
             }
 
-            return DtoService.GetBaseItemDto(item, fields.ToList());
+            return DtoService.GetItemByNameDto(item, fields.ToList());
         }
 
         /// <summary>
@@ -109,10 +109,5 @@ namespace MediaBrowser.Api.UserLibrary
                 .Distinct(StringComparer.OrdinalIgnoreCase)
                 .Select(name => LibraryManager.GetGameGenre(name));
         }
-
-        protected override IEnumerable<BaseItem> GetLibraryItems(GameGenre item, IEnumerable<BaseItem> libraryItems)
-        {
-            return libraryItems.Where(i => (i is Game) && i.Genres.Contains(item.Name, StringComparer.OrdinalIgnoreCase));
-        }
     }
 }
diff --git a/MediaBrowser.Api/UserLibrary/GenresService.cs b/MediaBrowser.Api/UserLibrary/GenresService.cs
index 092c638822..5d362c61a3 100644
--- a/MediaBrowser.Api/UserLibrary/GenresService.cs
+++ b/MediaBrowser.Api/UserLibrary/GenresService.cs
@@ -81,10 +81,10 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 var user = UserManager.GetUserById(request.UserId.Value);
 
-                return DtoService.GetBaseItemDto(item, fields.ToList(), user);
+                return DtoService.GetItemByNameDto(item, fields.ToList(), user);
             }
 
-            return DtoService.GetBaseItemDto(item, fields.ToList());
+            return DtoService.GetItemByNameDto(item, fields.ToList());
         }
 
         /// <summary>
@@ -112,10 +112,5 @@ namespace MediaBrowser.Api.UserLibrary
                 .Distinct(StringComparer.OrdinalIgnoreCase)
                 .Select(name => LibraryManager.GetGenre(name));
         }
-
-        protected override IEnumerable<BaseItem> GetLibraryItems(Genre item, IEnumerable<BaseItem> libraryItems)
-        {
-            return libraryItems.Where(i => !(i is Game) && !(i is IHasMusicGenres) && i.Genres.Contains(item.Name, StringComparer.OrdinalIgnoreCase));
-        }
     }
 }
diff --git a/MediaBrowser.Api/UserLibrary/MusicGenresService.cs b/MediaBrowser.Api/UserLibrary/MusicGenresService.cs
index 3f960ccbe9..9b7a941d84 100644
--- a/MediaBrowser.Api/UserLibrary/MusicGenresService.cs
+++ b/MediaBrowser.Api/UserLibrary/MusicGenresService.cs
@@ -76,10 +76,10 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 var user = UserManager.GetUserById(request.UserId.Value);
 
-                return  DtoService.GetBaseItemDto(item, fields.ToList(), user);
+                return DtoService.GetItemByNameDto(item, fields.ToList(), user);
             }
 
-            return  DtoService.GetBaseItemDto(item, fields.ToList());
+            return DtoService.GetItemByNameDto(item, fields.ToList());
         }
 
         /// <summary>
@@ -109,10 +109,5 @@ namespace MediaBrowser.Api.UserLibrary
                 .Distinct(StringComparer.OrdinalIgnoreCase)
                 .Select(name => LibraryManager.GetMusicGenre(name));
         }
-
-        protected override IEnumerable<BaseItem> GetLibraryItems(MusicGenre item, IEnumerable<BaseItem> libraryItems)
-        {
-            return libraryItems.Where(i => (i is IHasMusicGenres) && i.Genres.Contains(item.Name, StringComparer.OrdinalIgnoreCase));
-        }
     }
 }
diff --git a/MediaBrowser.Api/UserLibrary/PersonsService.cs b/MediaBrowser.Api/UserLibrary/PersonsService.cs
index 32700d21ab..f7ea4198d6 100644
--- a/MediaBrowser.Api/UserLibrary/PersonsService.cs
+++ b/MediaBrowser.Api/UserLibrary/PersonsService.cs
@@ -93,10 +93,10 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 var user = UserManager.GetUserById(request.UserId.Value);
 
-                return DtoService.GetBaseItemDto(item, fields.ToList(), user);
+                return DtoService.GetItemByNameDto(item, fields.ToList(), user);
             }
 
-            return DtoService.GetBaseItemDto(item, fields.ToList());
+            return DtoService.GetItemByNameDto(item, fields.ToList());
         }
 
         /// <summary>
@@ -163,10 +163,5 @@ namespace MediaBrowser.Api.UserLibrary
 
                 people.Where(p => personTypes.Contains(p.Type ?? string.Empty, StringComparer.OrdinalIgnoreCase) || personTypes.Contains(p.Role ?? string.Empty, StringComparer.OrdinalIgnoreCase));
         }
-
-        protected override IEnumerable<BaseItem> GetLibraryItems(Person item, IEnumerable<BaseItem> libraryItems)
-        {
-            return libraryItems.Where(i => i.People.Any(p => string.Equals(p.Name, item.Name, StringComparison.OrdinalIgnoreCase)));
-        }
     }
 }
diff --git a/MediaBrowser.Api/UserLibrary/StudiosService.cs b/MediaBrowser.Api/UserLibrary/StudiosService.cs
index cf4e333e1b..fc7fdd1600 100644
--- a/MediaBrowser.Api/UserLibrary/StudiosService.cs
+++ b/MediaBrowser.Api/UserLibrary/StudiosService.cs
@@ -81,10 +81,10 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 var user = UserManager.GetUserById(request.UserId.Value);
 
-                return DtoService.GetBaseItemDto(item, fields.ToList(), user);
+                return DtoService.GetItemByNameDto(item, fields.ToList(), user);
             }
 
-            return DtoService.GetBaseItemDto(item, fields.ToList());
+            return DtoService.GetItemByNameDto(item, fields.ToList());
         }
 
         /// <summary>
@@ -114,10 +114,5 @@ namespace MediaBrowser.Api.UserLibrary
                 .Distinct(StringComparer.OrdinalIgnoreCase)
                 .Select(name => LibraryManager.GetStudio(name));
         }
-
-        protected override IEnumerable<BaseItem> GetLibraryItems(Studio item, IEnumerable<BaseItem> libraryItems)
-        {
-            return libraryItems.Where(i => i.Studios.Contains(item.Name, StringComparer.OrdinalIgnoreCase));
-        }
     }
 }
diff --git a/MediaBrowser.Api/UserLibrary/YearsService.cs b/MediaBrowser.Api/UserLibrary/YearsService.cs
index 7024d52563..b8b0aa9e94 100644
--- a/MediaBrowser.Api/UserLibrary/YearsService.cs
+++ b/MediaBrowser.Api/UserLibrary/YearsService.cs
@@ -7,7 +7,6 @@ using MediaBrowser.Model.Querying;
 using ServiceStack;
 using System;
 using System.Collections.Generic;
-using System.Globalization;
 using System.Linq;
 
 namespace MediaBrowser.Api.UserLibrary
@@ -81,10 +80,10 @@ namespace MediaBrowser.Api.UserLibrary
             {
                 var user = UserManager.GetUserById(request.UserId.Value);
 
-                return DtoService.GetBaseItemDto(item, fields.ToList(), user);
+                return DtoService.GetItemByNameDto(item, fields.ToList(), user);
             }
 
-            return DtoService.GetBaseItemDto(item, fields.ToList());
+            return DtoService.GetItemByNameDto(item, fields.ToList());
         }
 
         /// <summary>
@@ -115,19 +114,5 @@ namespace MediaBrowser.Api.UserLibrary
                 .Distinct()
                 .Select(year => LibraryManager.GetYear(year));
         }
-
-        protected readonly CultureInfo UsCulture = new CultureInfo("en-US");
-        
-        protected override IEnumerable<BaseItem> GetLibraryItems(Year item, IEnumerable<BaseItem> libraryItems)
-        {
-            int year;
-
-            if (!int.TryParse(item.Name, NumberStyles.Integer, UsCulture, out year))
-            {
-                return libraryItems;
-            }
-
-            return libraryItems.Where(i => i.ProductionYear.HasValue && i.ProductionYear.Value == year);
-        }
     }
 }
-- 
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