feat: rewrite data fetching, refreshers, improved fetching performance

backend/src/user-data/library/library.controller.ts

@@ -68,12 +68,7 @@ export class LibraryController {
       direction,
     });
 
-    return {
-      ...response,
-      items: await Promise.all(
-        response.items.map((i) => this.libraryService.getLibraryItemDto(i)),
-      ),
-    };
+    return response
   }
 
   @Get('catalogue/:sourceId')

backend/src/user-data/library/library.dto.ts

@@ -1,6 +1,8 @@
 import { ApiProperty, PickType } from '@nestjs/swagger';
 import { TmdbItemDto } from 'src/metadata/tmdb/tmdb.dto';
 import { LibraryItem } from './library.entity';
+import { PlayStateDto } from '../play-state/play-state.dto';
+import { PlayState } from '../play-state/play-state.entity';
 
 export enum OrderDirection {
   Asc = 'asc',
@@ -44,6 +46,9 @@ export class LibraryItemDto extends PickType(LibraryItem, [
   @ApiProperty()
   tmdbItem: TmdbItemDto;
 
+  @ApiProperty({ type: PlayStateDto, required: false })
+  lastPlayState?: PlayState;
+
   @ApiProperty({ required: false })
   watched?: boolean;
 }

backend/src/user-data/library/library.service.ts

@@ -47,7 +47,7 @@ export class LibraryService {
     status?: MyListStatusFilter;
     order?: MyListOrder;
     direction?: OrderDirection;
-  }): Promise<PaginatedResponseDto<LibraryItem>> {
+  }): Promise<PaginatedResponseDto<LibraryItemDto>> {
     const {
       userId,
       pagination,
@@ -191,7 +191,9 @@ export class LibraryService {
     // console.log(builder.getQuery());
 
     return {
-      items,
+      items: await Promise.all(
+        items.map((item) => this.getLibraryItemDto(item)),
+      ),
       total,
       itemsPerPage: pagination.itemsPerPage,
       page: pagination.page,
@@ -286,7 +288,7 @@ export class LibraryService {
         ),
       };
     } else if (type === CatalogueTypeFilter.Missing && missing) {
-      const tmdbIdToMyListItem: Record<string, LibraryItem> = {};
+      const tmdbIdToMyListItem: Record<string, LibraryItemDto> = {};
       const myListItems = await this.getMyList({
         pagination: {
           itemsPerPage: 500,
@@ -315,12 +317,7 @@ export class LibraryService {
         direction,
       });
 
-      return {
-        ...response,
-        items: await Promise.all(
-          response.items.map((item) => this.getLibraryItemDto(item)),
-        ),
-      };
+      return response;
     }
 
     throw new Error(
@@ -404,6 +401,7 @@ export class LibraryService {
       mediaType: mediaType === 'movie' ? MediaType.Movie : MediaType.Series,
       watched,
       playStates,
+      lastPlayState: playStates?.[0],
       tmdbItem: {
         id: movieMetadata?.tmdbMovie.id ?? seriesMetadata?.tmdbSeries.id,
         poster_path: