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613 lines
19 KiB
613 lines
19 KiB
import { getRepository } from 'typeorm';
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import { v4 as uuid } from 'uuid';
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import TheMovieDb from '../../api/themoviedb';
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import { MediaStatus, MediaType } from '../../constants/media';
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import Media from '../../entity/Media';
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import Season from '../../entity/Season';
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import logger from '../../logger';
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import AsyncLock from '../../utils/asyncLock';
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import { getSettings } from '../settings';
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// Default scan rates (can be overidden)
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const BUNDLE_SIZE = 20;
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const UPDATE_RATE = 4 * 1000;
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export type StatusBase = {
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running: boolean;
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progress: number;
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total: number;
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};
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export interface RunnableScanner<T> {
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run: () => Promise<void>;
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status: () => T & StatusBase;
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}
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export interface MediaIds {
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tmdbId: number;
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imdbId?: string;
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tvdbId?: number;
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isHama?: boolean;
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}
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interface ProcessOptions {
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is4k?: boolean;
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mediaAddedAt?: Date;
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ratingKey?: string;
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serviceId?: number;
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externalServiceId?: number;
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externalServiceSlug?: string;
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title?: string;
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processing?: boolean;
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}
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export interface ProcessableSeason {
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seasonNumber: number;
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totalEpisodes: number;
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episodes: number;
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episodes4k: number;
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is4kOverride?: boolean;
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processing?: boolean;
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}
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class BaseScanner<T> {
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private bundleSize;
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private updateRate;
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protected progress = 0;
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protected items: T[] = [];
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protected scannerName: string;
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protected enable4kMovie = false;
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protected enable4kShow = false;
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protected sessionId: string;
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protected running = false;
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readonly asyncLock = new AsyncLock();
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readonly tmdb = new TheMovieDb();
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protected constructor(
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scannerName: string,
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{
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updateRate,
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bundleSize,
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}: {
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updateRate?: number;
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bundleSize?: number;
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} = {}
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) {
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this.scannerName = scannerName;
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this.bundleSize = bundleSize ?? BUNDLE_SIZE;
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this.updateRate = updateRate ?? UPDATE_RATE;
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}
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private async getExisting(tmdbId: number, mediaType: MediaType) {
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const mediaRepository = getRepository(Media);
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const existing = await mediaRepository.findOne({
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where: { tmdbId: tmdbId, mediaType },
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});
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return existing;
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}
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protected async processMovie(
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tmdbId: number,
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{
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is4k = false,
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mediaAddedAt,
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ratingKey,
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serviceId,
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externalServiceId,
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externalServiceSlug,
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processing = false,
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title = 'Unknown Title',
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}: ProcessOptions = {}
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): Promise<void> {
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const mediaRepository = getRepository(Media);
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await this.asyncLock.dispatch(tmdbId, async () => {
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const existing = await this.getExisting(tmdbId, MediaType.MOVIE);
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if (existing) {
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let changedExisting = false;
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if (existing[is4k ? 'status4k' : 'status'] !== MediaStatus.AVAILABLE) {
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existing[is4k ? 'status4k' : 'status'] = processing
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? MediaStatus.PROCESSING
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: MediaStatus.AVAILABLE;
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if (mediaAddedAt) {
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existing.mediaAddedAt = mediaAddedAt;
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}
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changedExisting = true;
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}
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if (!changedExisting && !existing.mediaAddedAt && mediaAddedAt) {
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existing.mediaAddedAt = mediaAddedAt;
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changedExisting = true;
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}
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if (
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ratingKey &&
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existing[is4k ? 'ratingKey4k' : 'ratingKey'] !== ratingKey
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) {
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existing[is4k ? 'ratingKey4k' : 'ratingKey'] = ratingKey;
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changedExisting = true;
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}
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if (
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serviceId !== undefined &&
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existing[is4k ? 'serviceId4k' : 'serviceId'] !== serviceId
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) {
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existing[is4k ? 'serviceId4k' : 'serviceId'] = serviceId;
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changedExisting = true;
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}
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if (
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externalServiceId !== undefined &&
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existing[is4k ? 'externalServiceId4k' : 'externalServiceId'] !==
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externalServiceId
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) {
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existing[is4k ? 'externalServiceId4k' : 'externalServiceId'] =
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externalServiceId;
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changedExisting = true;
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}
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if (
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externalServiceSlug !== undefined &&
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existing[is4k ? 'externalServiceSlug4k' : 'externalServiceSlug'] !==
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externalServiceSlug
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) {
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existing[is4k ? 'externalServiceSlug4k' : 'externalServiceSlug'] =
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externalServiceSlug;
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changedExisting = true;
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}
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if (changedExisting) {
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await mediaRepository.save(existing);
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this.log(
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`Media for ${title} exists. Changes were detected and the title will be updated.`,
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'info'
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);
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} else {
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this.log(`Title already exists and no changes detected for ${title}`);
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}
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} else {
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const newMedia = new Media();
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newMedia.tmdbId = tmdbId;
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newMedia.status =
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!is4k && !processing
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? MediaStatus.AVAILABLE
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: !is4k && processing
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? MediaStatus.PROCESSING
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: MediaStatus.UNKNOWN;
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newMedia.status4k =
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is4k && this.enable4kMovie && !processing
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? MediaStatus.AVAILABLE
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: is4k && this.enable4kMovie && processing
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? MediaStatus.PROCESSING
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: MediaStatus.UNKNOWN;
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newMedia.mediaType = MediaType.MOVIE;
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newMedia.serviceId = !is4k ? serviceId : undefined;
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newMedia.serviceId4k = is4k ? serviceId : undefined;
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newMedia.externalServiceId = !is4k ? externalServiceId : undefined;
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newMedia.externalServiceId4k = is4k ? externalServiceId : undefined;
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newMedia.externalServiceSlug = !is4k ? externalServiceSlug : undefined;
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newMedia.externalServiceSlug4k = is4k ? externalServiceSlug : undefined;
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if (mediaAddedAt) {
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newMedia.mediaAddedAt = mediaAddedAt;
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}
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if (ratingKey) {
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newMedia.ratingKey = !is4k ? ratingKey : undefined;
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newMedia.ratingKey4k =
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is4k && this.enable4kMovie ? ratingKey : undefined;
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}
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await mediaRepository.save(newMedia);
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this.log(`Saved new media: ${title}`);
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}
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});
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}
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/**
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* processShow takes a TMDb ID and an array of ProcessableSeasons, which
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* should include the total episodes a sesaon has + the total available
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* episodes that each season currently has. Unlike processMovie, this method
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* does not take an `is4k` option. We handle both the 4k _and_ non 4k status
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* in one method.
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*
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* Note: If 4k is not enable, ProcessableSeasons should combine their episode counts
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* into the normal episodes properties and avoid using the 4k properties.
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*/
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protected async processShow(
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tmdbId: number,
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tvdbId: number,
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seasons: ProcessableSeason[],
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{
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mediaAddedAt,
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ratingKey,
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serviceId,
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externalServiceId,
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externalServiceSlug,
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is4k = false,
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title = 'Unknown Title',
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}: ProcessOptions = {}
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): Promise<void> {
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const mediaRepository = getRepository(Media);
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await this.asyncLock.dispatch(tmdbId, async () => {
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const media = await this.getExisting(tmdbId, MediaType.TV);
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const newSeasons: Season[] = [];
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const currentStandardSeasonsAvailable = (
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media?.seasons.filter(
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(season) => season.status === MediaStatus.AVAILABLE
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) ?? []
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).length;
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const current4kSeasonsAvailable = (
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media?.seasons.filter(
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(season) => season.status4k === MediaStatus.AVAILABLE
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) ?? []
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).length;
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for (const season of seasons) {
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const existingSeason = media?.seasons.find(
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(es) => es.seasonNumber === season.seasonNumber
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);
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// We update the rating keys in the seasons loop because we need episode counts
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if (media && season.episodes > 0 && media.ratingKey !== ratingKey) {
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media.ratingKey = ratingKey;
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}
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if (
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media &&
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season.episodes4k > 0 &&
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this.enable4kShow &&
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media.ratingKey4k !== ratingKey
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) {
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media.ratingKey4k = ratingKey;
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}
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if (existingSeason) {
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// Here we update seasons if they already exist.
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// If the season is already marked as available, we
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// force it to stay available (to avoid competing scanners)
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existingSeason.status =
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(season.totalEpisodes === season.episodes && season.episodes > 0) ||
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existingSeason.status === MediaStatus.AVAILABLE
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? MediaStatus.AVAILABLE
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: season.episodes > 0
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? MediaStatus.PARTIALLY_AVAILABLE
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: !season.is4kOverride && season.processing
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? MediaStatus.PROCESSING
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: existingSeason.status;
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// Same thing here, except we only do updates if 4k is enabled
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existingSeason.status4k =
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(this.enable4kShow &&
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season.episodes4k === season.totalEpisodes &&
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season.episodes4k > 0) ||
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existingSeason.status4k === MediaStatus.AVAILABLE
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? MediaStatus.AVAILABLE
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: this.enable4kShow && season.episodes4k > 0
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? MediaStatus.PARTIALLY_AVAILABLE
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: season.is4kOverride && season.processing
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? MediaStatus.PROCESSING
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: existingSeason.status4k;
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} else {
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newSeasons.push(
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new Season({
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seasonNumber: season.seasonNumber,
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status:
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season.totalEpisodes === season.episodes && season.episodes > 0
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? MediaStatus.AVAILABLE
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: season.episodes > 0
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? MediaStatus.PARTIALLY_AVAILABLE
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: !season.is4kOverride && season.processing
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? MediaStatus.PROCESSING
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: MediaStatus.UNKNOWN,
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status4k:
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this.enable4kShow &&
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season.totalEpisodes === season.episodes4k &&
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season.episodes4k > 0
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? MediaStatus.AVAILABLE
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: this.enable4kShow && season.episodes4k > 0
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? MediaStatus.PARTIALLY_AVAILABLE
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: season.is4kOverride && season.processing
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? MediaStatus.PROCESSING
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: MediaStatus.UNKNOWN,
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})
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);
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}
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}
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const isAllStandardSeasons =
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seasons.length &&
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seasons.every(
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(season) =>
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season.episodes === season.totalEpisodes && season.episodes > 0
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);
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const isAll4kSeasons =
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seasons.length &&
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seasons.every(
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(season) =>
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season.episodes4k === season.totalEpisodes && season.episodes4k > 0
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);
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if (media) {
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media.seasons = [...media.seasons, ...newSeasons];
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const newStandardSeasonsAvailable = (
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media.seasons.filter(
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(season) => season.status === MediaStatus.AVAILABLE
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) ?? []
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).length;
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const new4kSeasonsAvailable = (
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media.seasons.filter(
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(season) => season.status4k === MediaStatus.AVAILABLE
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) ?? []
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).length;
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// If at least one new season has become available, update
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// the lastSeasonChange field so we can trigger notifications
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if (newStandardSeasonsAvailable > currentStandardSeasonsAvailable) {
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this.log(
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`Detected ${
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newStandardSeasonsAvailable - currentStandardSeasonsAvailable
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} new standard season(s) for ${title}`,
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'debug'
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);
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media.lastSeasonChange = new Date();
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if (mediaAddedAt) {
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media.mediaAddedAt = mediaAddedAt;
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}
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}
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if (new4kSeasonsAvailable > current4kSeasonsAvailable) {
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this.log(
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`Detected ${
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new4kSeasonsAvailable - current4kSeasonsAvailable
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} new 4K season(s) for ${title}`,
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'debug'
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);
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media.lastSeasonChange = new Date();
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}
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if (!media.mediaAddedAt && mediaAddedAt) {
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media.mediaAddedAt = mediaAddedAt;
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}
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if (serviceId !== undefined) {
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media[is4k ? 'serviceId4k' : 'serviceId'] = serviceId;
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}
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if (externalServiceId !== undefined) {
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media[is4k ? 'externalServiceId4k' : 'externalServiceId'] =
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externalServiceId;
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}
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if (externalServiceSlug !== undefined) {
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media[is4k ? 'externalServiceSlug4k' : 'externalServiceSlug'] =
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externalServiceSlug;
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}
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// If the show is already available, and there are no new seasons, dont adjust
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// the status
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const shouldStayAvailable =
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media.status === MediaStatus.AVAILABLE &&
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newSeasons.filter((season) => season.status !== MediaStatus.UNKNOWN)
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.length === 0;
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const shouldStayAvailable4k =
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media.status4k === MediaStatus.AVAILABLE &&
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newSeasons.filter((season) => season.status4k !== MediaStatus.UNKNOWN)
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.length === 0;
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media.status =
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isAllStandardSeasons || shouldStayAvailable
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? MediaStatus.AVAILABLE
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: media.seasons.some(
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(season) =>
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season.status === MediaStatus.PARTIALLY_AVAILABLE ||
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season.status === MediaStatus.AVAILABLE
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)
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? MediaStatus.PARTIALLY_AVAILABLE
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: media.seasons.some(
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(season) => season.status === MediaStatus.PROCESSING
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)
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? MediaStatus.PROCESSING
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: MediaStatus.UNKNOWN;
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media.status4k =
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(isAll4kSeasons || shouldStayAvailable4k) && this.enable4kShow
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? MediaStatus.AVAILABLE
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: this.enable4kShow &&
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media.seasons.some(
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(season) =>
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season.status4k === MediaStatus.PARTIALLY_AVAILABLE ||
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season.status4k === MediaStatus.AVAILABLE
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)
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? MediaStatus.PARTIALLY_AVAILABLE
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: media.seasons.some(
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(season) => season.status4k === MediaStatus.PROCESSING
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)
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? MediaStatus.PROCESSING
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: MediaStatus.UNKNOWN;
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await mediaRepository.save(media);
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this.log(`Updating existing title: ${title}`);
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} else {
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const newMedia = new Media({
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mediaType: MediaType.TV,
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seasons: newSeasons,
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tmdbId,
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tvdbId,
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mediaAddedAt,
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serviceId: !is4k ? serviceId : undefined,
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serviceId4k: is4k ? serviceId : undefined,
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externalServiceId: !is4k ? externalServiceId : undefined,
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externalServiceId4k: is4k ? externalServiceId : undefined,
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externalServiceSlug: !is4k ? externalServiceSlug : undefined,
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externalServiceSlug4k: is4k ? externalServiceSlug : undefined,
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ratingKey: newSeasons.some(
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(sn) =>
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sn.status === MediaStatus.PARTIALLY_AVAILABLE ||
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sn.status === MediaStatus.AVAILABLE
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)
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? ratingKey
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: undefined,
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ratingKey4k:
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this.enable4kShow &&
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newSeasons.some(
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(sn) =>
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sn.status4k === MediaStatus.PARTIALLY_AVAILABLE ||
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sn.status4k === MediaStatus.AVAILABLE
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)
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? ratingKey
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: undefined,
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status: isAllStandardSeasons
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? MediaStatus.AVAILABLE
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: newSeasons.some(
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(season) =>
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season.status === MediaStatus.PARTIALLY_AVAILABLE ||
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season.status === MediaStatus.AVAILABLE
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)
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? MediaStatus.PARTIALLY_AVAILABLE
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: newSeasons.some(
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(season) => season.status === MediaStatus.PROCESSING
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)
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? MediaStatus.PROCESSING
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: MediaStatus.UNKNOWN,
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status4k:
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isAll4kSeasons && this.enable4kShow
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? MediaStatus.AVAILABLE
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: this.enable4kShow &&
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newSeasons.some(
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(season) =>
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season.status4k === MediaStatus.PARTIALLY_AVAILABLE ||
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season.status4k === MediaStatus.AVAILABLE
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)
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? MediaStatus.PARTIALLY_AVAILABLE
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: newSeasons.some(
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(season) => season.status4k === MediaStatus.PROCESSING
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)
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? MediaStatus.PROCESSING
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: MediaStatus.UNKNOWN,
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});
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await mediaRepository.save(newMedia);
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this.log(`Saved ${title}`);
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}
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});
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}
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/**
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* Call startRun from child class whenever a run is starting to
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* ensure required values are set
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*
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* Returns the session ID which is requried for the cleanup method
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*/
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protected startRun(): string {
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const settings = getSettings();
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const sessionId = uuid();
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this.sessionId = sessionId;
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this.log('Scan starting', 'info', { sessionId });
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this.enable4kMovie = settings.radarr.some((radarr) => radarr.is4k);
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if (this.enable4kMovie) {
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this.log(
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'At least one 4K Radarr server was detected. 4K movie detection is now enabled',
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'info'
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);
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}
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this.enable4kShow = settings.sonarr.some((sonarr) => sonarr.is4k);
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if (this.enable4kShow) {
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this.log(
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'At least one 4K Sonarr server was detected. 4K series detection is now enabled',
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'info'
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);
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}
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this.running = true;
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return sessionId;
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}
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/**
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* Call at end of run loop to perform cleanup
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*/
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|
protected endRun(sessionId: string): void {
|
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if (this.sessionId === sessionId) {
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this.running = false;
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}
|
|
}
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public cancel(): void {
|
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this.running = false;
|
|
}
|
|
|
|
protected async loop(
|
|
processFn: (item: T) => Promise<void>,
|
|
{
|
|
start = 0,
|
|
end = this.bundleSize,
|
|
sessionId,
|
|
}: {
|
|
start?: number;
|
|
end?: number;
|
|
sessionId?: string;
|
|
} = {}
|
|
): Promise<void> {
|
|
const slicedItems = this.items.slice(start, end);
|
|
|
|
if (!this.running) {
|
|
throw new Error('Sync was aborted.');
|
|
}
|
|
|
|
if (this.sessionId !== sessionId) {
|
|
throw new Error('New session was started. Old session aborted.');
|
|
}
|
|
|
|
if (start < this.items.length) {
|
|
this.progress = start;
|
|
await this.processItems(processFn, slicedItems);
|
|
|
|
await new Promise<void>((resolve, reject) =>
|
|
setTimeout(() => {
|
|
this.loop(processFn, {
|
|
start: start + this.bundleSize,
|
|
end: end + this.bundleSize,
|
|
sessionId,
|
|
})
|
|
.then(() => resolve())
|
|
.catch((e) => reject(new Error(e.message)));
|
|
}, this.updateRate)
|
|
);
|
|
}
|
|
}
|
|
|
|
private async processItems(
|
|
processFn: (items: T) => Promise<void>,
|
|
items: T[]
|
|
) {
|
|
await Promise.all(
|
|
items.map(async (item) => {
|
|
await processFn(item);
|
|
})
|
|
);
|
|
}
|
|
|
|
protected log(
|
|
message: string,
|
|
level: 'info' | 'error' | 'debug' | 'warn' = 'debug',
|
|
optional?: Record<string, unknown>
|
|
): void {
|
|
logger[level](message, { label: this.scannerName, ...optional });
|
|
}
|
|
}
|
|
|
|
export default BaseScanner;
|