gphotos-scraper/dist/services/extractAlbum.js

A tool to extract public url and metadata from shared album

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.extractAlbum = void 0;
const getAlbum_1 = require("./getAlbum");
const exceptions_1 = require("../exceptions");
const getPhotos_1 = require("./getPhotos");
const extractAlbum = (albumUrl) => __awaiter(void 0, void 0, void 0, function* () {
    const gAlbum = yield (0, getAlbum_1.getAlbum)(albumUrl);
    if (!gAlbum)
        throw new exceptions_1.AlbumNotFoundException();
    const { items, key, id, title, cover, createdAt, updatedAt } = gAlbum;
    const itemsMap = items.reduce((map, item) => map.set(item.id, item.url), new Map());
    const album = {
        id,
        title,
        url: albumUrl,
        photos: [],
        createdAt,
        updatedAt,
    };
    const chunkSize = 500;
    for (let i = 0; i < items.length; i += chunkSize) {
        const chunk = items.slice(i, i + chunkSize);
        const ids = chunk.map((el) => el.id);
        const photosInfo = yield (0, getPhotos_1.getPhotos)(key, ids);
        album.photos.push(...photosInfo.map((el) => {
            const url = itemsMap.get(el.id) || '';
            return Object.assign(Object.assign({}, el), { url });
        }));
    }
    album.photos.sort((a, b) => b.createdAt - a.createdAt);
    album.cover = album.photos.find((photo) => photo.url === cover.url);
    return album;
});
exports.extractAlbum = extractAlbum;
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