118 lines
4.2 KiB
JavaScript
118 lines
4.2 KiB
JavaScript
const db = require('../models');
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const logger = require('winston');
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const DEFAULT_THUMBNAIL = 'https://spee.ch/assets/img/video_thumb_default.png';
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const NO_CHANNEL = 'NO_CHANNEL';
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function chooseThumbnail (claimInfo, defaultThumbnail) {
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if (!claimInfo.thumbnail || claimInfo.thumbnail.trim() === '') {
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return defaultThumbnail;
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}
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return claimInfo.thumbnail;
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}
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module.exports = {
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getClaimId (channelName, channelId, name, claimId) {
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if (channelName) {
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return module.exports.getClaimIdByChannel(channelName, channelId, name);
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} else {
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return module.exports.getClaimIdByClaim(name, claimId);
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}
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},
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getClaimIdByClaim (claimName, claimId) {
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logger.debug(`getClaimIdByClaim(${claimName}, ${claimId})`);
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return new Promise((resolve, reject) => {
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db.Claim.getLongClaimId(claimName, claimId) // get the long claim id
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.then(result => {
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resolve(result); // resolves with NO_CLAIM or valid claim id
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})
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.catch(error => {
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reject(error);
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});
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});
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},
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getClaimIdByChannel (channelName, channelId, claimName) {
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logger.debug(`getClaimIdByChannel(${channelName}, ${channelId}, ${claimName})`);
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return new Promise((resolve, reject) => {
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db.Certificate.getLongChannelId(channelName, channelId) // 1. get the long channel id
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.then(result => {
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if (result === NO_CHANNEL) {
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resolve(result); // resolves NO_CHANNEL
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return;
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}
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return db.Claim.getClaimIdByLongChannelId(result, claimName); // 2. get the long claim id
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})
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.then(result => {
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resolve(result); // resolves with NO_CLAIM or valid claim id
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})
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.catch(error => {
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reject(error);
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});
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});
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},
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getChannelContents (channelName, channelId) {
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return new Promise((resolve, reject) => {
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let longChannelId;
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let shortChannelId;
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db.Certificate.getLongChannelId(channelName, channelId) // 1. get the long channel Id
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.then(result => { // 2. get all claims for that channel
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if (result === NO_CHANNEL) {
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return NO_CHANNEL;
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}
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longChannelId = result;
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return db.Certificate.getShortChannelIdFromLongChannelId(longChannelId, channelName);
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})
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.then(result => { // 3. get all Claim records for this channel
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if (result === NO_CHANNEL) {
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return NO_CHANNEL;
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}
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shortChannelId = result;
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return db.Claim.getAllChannelClaims(longChannelId);
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})
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.then(result => { // 4. add extra data not available from Claim table
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if (result === NO_CHANNEL) {
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resolve(result);
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return;
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}
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if (result) {
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result.forEach(element => {
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const fileExtenstion = element.contentType.substring(element.contentType.lastIndexOf('/') + 1);
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element['showUrlLong'] = `/${channelName}:${longChannelId}/${element.name}`;
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element['directUrlLong'] = `/${channelName}:${longChannelId}/${element.name}.${fileExtenstion}`;
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element['showUrlShort'] = `/${channelName}:${shortChannelId}/${element.name}`;
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element['directUrlShort'] = `/${channelName}:${shortChannelId}/${element.name}.${fileExtenstion}`;
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element['thumbnail'] = chooseThumbnail(element, DEFAULT_THUMBNAIL);
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});
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}
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resolve({
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channelName,
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longChannelId,
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shortChannelId,
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claims: result,
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});
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})
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.catch(error => {
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reject(error);
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});
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});
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},
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getLocalFileRecord (claimId, name) {
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return db.File.findOne({where: {claimId, name}})
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.then(file => {
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if (!file) {
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return null;
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}
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return file.dataValues;
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});
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},
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getClaimRecord (claimId, name) {
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return db.Claim.findOne({where: {claimId, name}})
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.then(claim => {
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if (!claim) {
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throw new Error('no record found in Claim table');
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}
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claim.dataValues.thumbnail = chooseThumbnail(claim.dataValues.thumbnail, DEFAULT_THUMBNAIL);
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return claim.dataValues;
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});
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},
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};
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