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refactor: library items & metadata for performance

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This commit is contained in:
Aleksi Lassila
2025-02-21 18:02:18 +02:00
parent b598245cb0
commit 80b4f8c01a
15 changed files with 363 additions and 133 deletions
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38
backend/src/user-data/library/library.service.ts
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@@ -2,7 +2,7 @@ import { Inject, Injectable } from '@nestjs/common';
import { Repository } from 'typeorm';
import { LibraryItem } from './library.entity';
import { MediaType, PaginationParamsDto } from 'src/common/common.dto';
import { LibraryItemDto } from './library.dto';
import { LibraryItemDto, LibraryItemDto2 } from './library.dto';
import { MetadataService } from 'src/metadata/metadata.service';
import { USER_LIBRARY_REPOSITORY } from './library.providers';
@@ -17,7 +17,7 @@ export class LibraryService {
async getLibraryItemDtos(
userId: string,
pagination: PaginationParamsDto,
): Promise<LibraryItemDto[]> {
): Promise<LibraryItemDto2[]> {
const items = await this.getLibraryItems(userId, pagination);
return Promise.all(
@@ -26,34 +26,16 @@ export class LibraryService {
item.mediaType === MediaType.Series
? await this.metadataService.getSeriesByTmdbId(item.tmdbId)
: undefined;
let watched = false;
const movieMetadata =
item.mediaType === MediaType.Movie
? await this.metadataService.getMovieByTmdbId(item.tmdbId)
: undefined;
if (item.mediaType === MediaType.Movie) {
watched = item.playStates?.some((state) => state.watched) ?? false;
} else if (
item.mediaType === MediaType.Series &&
seriesMetadata.tmdbSeries?.last_episode_to_air
) {
const { season_number: season, episode_number: episode } =
seriesMetadata.tmdbSeries.last_episode_to_air;
watched =
item.playStates?.some(
(state) =>
state.season === season &&
state.episode === episode &&
state.watched,
) ?? false;
}
return {
...item,
watched,
movieMetadata:
item.mediaType === MediaType.Movie
? await this.metadataService.getMovieByTmdbId(item.tmdbId)
: undefined,
return LibraryItemDto2.create({
libraryItem: item,
seriesMetadata,
};
movieMetadata,
});
}),
);
}