91 lines
3.2 KiB
JavaScript
91 lines
3.2 KiB
JavaScript
const db = require('../models');
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const logger = require('winston');
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const { returnPaginatedChannelViewData } = require('../helpers/channelPagination.js');
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const NO_CHANNEL = 'NO_CHANNEL';
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const NO_CLAIM = 'NO_CLAIM';
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const NO_FILE = 'NO_FILE';
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module.exports = {
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getClaimId (channelName, channelClaimId, name, claimId) {
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if (channelName) {
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return module.exports.getClaimIdByChannel(channelName, channelClaimId, 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}, ${claimId})`);
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return new Promise((resolve, reject) => {
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db.Claim.getLongClaimId(claimName, claimId)
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.then(longClaimId => {
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if (!longClaimId) {
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resolve(NO_CLAIM);
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}
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resolve(longClaimId);
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})
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.catch(error => {
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reject(error);
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});
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});
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},
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getClaimIdByChannel (channelName, channelClaimId, claimName) {
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logger.debug(`getClaimIdByChannel(${channelName}, ${channelClaimId}, ${claimName})`);
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return new Promise((resolve, reject) => {
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db.Certificate.getLongChannelId(channelName, channelClaimId) // 1. get the long channel id
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.then(longChannelId => {
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if (!longChannelId) {
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return [null, null];
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}
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return Promise.all([longChannelId, db.Claim.getClaimIdByLongChannelId(longChannelId, claimName)]); // 2. get the long claim id
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})
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.then(([longChannelId, longClaimId]) => {
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if (!longChannelId) {
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return resolve(NO_CHANNEL);
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}
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if (!longClaimId) {
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return resolve(NO_CLAIM);
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}
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resolve(longClaimId);
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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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getChannelViewData (channelName, channelClaimId, query) {
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return new Promise((resolve, reject) => {
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// 1. get the long channel Id (make sure channel exists)
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db.Certificate.getLongChannelId(channelName, channelClaimId)
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.then(longChannelClaimId => {
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if (!longChannelClaimId) {
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return [null, null, null];
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}
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// 2. get the short ID and all claims for that channel
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return Promise.all([longChannelClaimId, db.Certificate.getShortChannelIdFromLongChannelId(longChannelClaimId, channelName), db.Claim.getAllChannelClaims(longChannelClaimId)]);
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})
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.then(([longChannelClaimId, shortChannelClaimId, channelClaimsArray]) => {
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if (!longChannelClaimId) {
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return resolve(NO_CHANNEL);
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}
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// 3. format the data for the view, including pagination
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let paginatedChannelViewData = returnPaginatedChannelViewData(channelName, longChannelClaimId, shortChannelClaimId, channelClaimsArray, query);
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// 4. return all the channel information and contents
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resolve(paginatedChannelViewData);
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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 NO_FILE;
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}
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return file.dataValues;
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});
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},
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};
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