Refactored various modules for entities. Updated and refactored Kink scraper.

This commit is contained in:
2020-06-27 02:57:30 +02:00
parent 4959dfd14f
commit af56378ee2
107 changed files with 539 additions and 414 deletions

View File

@@ -8,7 +8,7 @@ const logger = require('./logger')(__filename);
const knex = require('./knex');
const include = require('./utils/argv-include')(argv);
const scrapers = require('./scrapers/scrapers');
const { fetchSitesFromArgv, fetchSitesFromConfig } = require('./entities');
const { fetchChannelsFromArgv, fetchChannelsFromConfig } = require('./entities');
const afterDate = (() => {
if (/\d{2,4}-\d{2}-\d{2,4}/.test(argv.after)) {
@@ -27,7 +27,7 @@ const afterDate = (() => {
async function filterUniqueReleases(latestReleases, accReleases) {
const latestReleaseIdentifiers = latestReleases
.map(release => [release.site.id, release.entryId]);
.map(release => [release.entity.id, release.entryId]);
const duplicateReleases = await knex('releases')
.whereIn(['entity_id', 'entry_id'], latestReleaseIdentifiers);
@@ -37,17 +37,17 @@ async function filterUniqueReleases(latestReleases, accReleases) {
const duplicateReleasesSiteIdAndEntryIds = duplicateReleases
.concat(accReleases)
.reduce((acc, release) => {
const siteId = release.entity_id || release.site.id;
const entityId = release.entity_id || release.entity.id;
const entryId = release.entry_id || release.entryId;
if (!acc[siteId]) acc[siteId] = {};
acc[siteId][entryId] = true;
if (!acc[entityId]) acc[entityId] = {};
acc[entityId][entryId] = true;
return acc;
}, {});
const uniqueReleases = latestReleases
.filter(release => !duplicateReleasesSiteIdAndEntryIds[release.site.id]?.[release.entryId]);
.filter(release => !duplicateReleasesSiteIdAndEntryIds[release.entity.id]?.[release.entryId]);
return uniqueReleases;
}
@@ -77,15 +77,15 @@ function needNextPage(uniqueReleases, pageAccReleases) {
return pageAccReleases.length <= argv.nullDateLimit;
}
async function scrapeReleases(scraper, site, preData, upcoming = false) {
async function scrapeReleases(scraper, entity, preData, upcoming = false) {
const scrapePage = async (page = 1, accReleases = []) => {
const latestReleases = upcoming
? await scraper.fetchUpcoming(site, page, preData, include)
: await scraper.fetchLatest(site, page, preData, include);
? await scraper.fetchUpcoming(entity, page, preData, include)
: await scraper.fetchLatest(entity, page, preData, include);
if (!Array.isArray(latestReleases)) {
// scraper is unable to fetch the releases and returned a HTTP code or null
logger.warn(`Scraper returned ${latestReleases} when fetching latest from '${site.name}' (${site.parent?.name})`);
logger.warn(`Scraper returned ${latestReleases} when fetching latest from '${entity.name}' (${entity.parent?.name})`);
return accReleases;
}
@@ -94,15 +94,15 @@ async function scrapeReleases(scraper, site, preData, upcoming = false) {
return accReleases;
}
const latestReleasesWithSite = latestReleases.map(release => ({ ...release, site: release.site || site })); // attach site release is assigned to when stored
const latestReleasesWithEntity = latestReleases.map(release => ({ ...release, entity })); // attach entity the release is assigned to when stored
const uniqueReleases = argv.redownload
? latestReleasesWithSite
: await filterUniqueReleases(latestReleasesWithSite, accReleases);
? latestReleasesWithEntity
: await filterUniqueReleases(latestReleasesWithEntity, accReleases);
const pageAccReleases = accReleases.concat(uniqueReleases);
logger.verbose(`Scraped '${site.name}' (${site.parent?.name}) ${upcoming ? 'upcoming' : 'latest'} page ${page}, found ${uniqueReleases.length} unique updates`);
logger.verbose(`Scraped '${entity.name}' (${entity.parent?.name}) ${upcoming ? 'upcoming' : 'latest'} page ${page}, found ${uniqueReleases.length} unique updates`);
if (needNextPage(uniqueReleases, pageAccReleases)) {
return scrapePage(page + 1, pageAccReleases);
@@ -127,70 +127,70 @@ async function scrapeReleases(scraper, site, preData, upcoming = false) {
return releases.slice(0, argv.nullDateLimit);
}
async function scrapeLatestReleases(scraper, site, preData) {
async function scrapeLatestReleases(scraper, entity, preData) {
if (!scraper.fetchLatest) {
return [];
}
try {
return await scrapeReleases(scraper, site, preData, false);
return await scrapeReleases(scraper, entity, preData, false);
} catch (error) {
logger.warn(`Failed to scrape latest updates for '${site.slug}' (${site.parent?.slug}): ${error.message}`);
logger.warn(`Failed to scrape latest updates for '${entity.slug}' (${entity.parent?.slug}): ${error.message}`);
}
return [];
}
async function scrapeUpcomingReleases(scraper, site, preData) {
async function scrapeUpcomingReleases(scraper, entity, preData) {
if (!scraper.fetchUpcoming) {
return [];
}
try {
return await scrapeReleases(scraper, site, preData, true);
return await scrapeReleases(scraper, entity, preData, true);
} catch (error) {
logger.warn(`Failed to scrape upcoming updates for '${site.slug}' (${site.parent?.slug}): ${error.message}`);
logger.warn(`Failed to scrape upcoming updates for '${entity.slug}' (${entity.parent?.slug}): ${error.message}`);
}
return [];
}
async function scrapeSiteReleases(scraper, site, preData) {
async function scrapeChannelReleases(scraper, channelEntity, preData) {
const [latestReleases, upcomingReleases] = await Promise.all([
argv.latest
? scrapeLatestReleases(scraper, site, preData)
? scrapeLatestReleases(scraper, channelEntity, preData)
: [],
argv.upcoming
? scrapeUpcomingReleases(scraper, site, preData)
? scrapeUpcomingReleases(scraper, channelEntity, preData)
: [],
]);
logger.info(`Fetching ${latestReleases.length} latest and ${upcomingReleases.length} upcoming updates for '${site.name}' (${site.parent.name})`);
logger.info(`Fetching ${latestReleases.length} latest and ${upcomingReleases.length} upcoming updates for '${channelEntity.name}' (${channelEntity.parent.name})`);
return [...latestReleases, ...upcomingReleases];
}
async function scrapeSite(site, accSiteReleases) {
const scraper = scrapers.releases[site.slug]
|| scrapers.releases[site.parent?.slug]
|| scrapers.releases[site.parent?.parent?.slug];
async function scrapeChannel(channelEntity, accNetworkReleases) {
const scraper = scrapers.releases[channelEntity.slug]
|| scrapers.releases[channelEntity.parent?.slug]
|| scrapers.releases[channelEntity.parent?.parent?.slug];
if (!scraper) {
logger.warn(`No scraper found for '${site.name}' (${site.parent.name})`);
logger.warn(`No scraper found for '${channelEntity.name}' (${channelEntity.parent.name})`);
return [];
}
try {
const beforeFetchLatest = await scraper.beforeFetchLatest?.(site);
const beforeFetchLatest = await scraper.beforeFetchLatest?.(channelEntity);
const siteReleases = await scrapeSiteReleases(scraper, site, {
accSiteReleases,
const channelEntityReleases = await scrapeChannelReleases(scraper, channelEntity, {
accNetworkReleases,
beforeFetchLatest,
});
return siteReleases.map(release => ({ ...release, site }));
return channelEntityReleases.map(release => ({ ...release, channelEntity }));
} catch (error) {
logger.error(`Failed to scrape releases from ${site.name} using ${scraper.slug}: ${error.message}`);
logger.error(`Failed to scrape releases from ${channelEntity.name} using ${scraper.slug}: ${error.message}`);
return [];
}
@@ -199,11 +199,11 @@ async function scrapeSite(site, accSiteReleases) {
async function scrapeNetworkSequential(networkEntity) {
return Promise.reduce(
networkEntity.children,
async (chain, siteEntity) => {
const accSiteReleases = await chain;
const siteReleases = await scrapeSite(siteEntity, networkEntity, accSiteReleases);
async (chain, channelEntity) => {
const accNetworkReleases = await chain;
const channelReleases = await scrapeChannel(channelEntity, networkEntity, accNetworkReleases);
return accSiteReleases.concat(siteReleases);
return accNetworkReleases.concat(channelReleases);
},
Promise.resolve([]),
);
@@ -212,21 +212,21 @@ async function scrapeNetworkSequential(networkEntity) {
async function scrapeNetworkParallel(networkEntity) {
return Promise.map(
networkEntity.children,
async siteEntity => scrapeSite(siteEntity, networkEntity),
async channelEntity => scrapeChannel(channelEntity, networkEntity),
{ concurrency: 3 },
);
}
async function fetchUpdates() {
const includedNetworks = argv.sites || argv.networks || argv.from
? await fetchSitesFromArgv()
: await fetchSitesFromConfig();
const includedNetworks = argv.channels || argv.networks
? await fetchChannelsFromArgv()
: await fetchChannelsFromConfig();
const scrapedNetworks = await Promise.map(
includedNetworks,
async network => (network.parameters?.sequential
? scrapeNetworkSequential(network)
: scrapeNetworkParallel(network)),
async networkEntity => (networkEntity.parameters?.sequential
? scrapeNetworkSequential(networkEntity)
: scrapeNetworkParallel(networkEntity)),
{ concurrency: 5 },
);