418 lines
11 KiB
JavaScript
418 lines
11 KiB
JavaScript
const logger = require('winston');
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const { returnShortId } = require('../helpers/sequelizeHelpers.js');
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const DEFAULT_THUMBNAIL = 'https://spee.ch/assets/img/video_thumb_default.png';
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const DEFAULT_TITLE = 'Spee<ch';
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const DEFAULT_DESCRIPTION = 'Decentralized video and content hosting.';
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function determineFileExtensionFromContentType (contentType) {
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switch (contentType) {
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case 'image/jpeg':
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case 'image/jpg':
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return 'jpg';
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case 'image/png':
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return 'png';
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case 'image/gif':
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return 'gif';
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case 'video/mp4':
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return 'mp4';
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default:
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logger.info('setting unknown file type as file extension jpg');
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return 'jpg';
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}
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};
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function determineContentTypeFromFileExtension (fileExtension) {
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switch (fileExtension) {
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case 'jpeg':
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case 'jpg':
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return 'image/jpg';
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case 'png':
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return 'image/png';
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case 'gif':
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return 'image/gif';
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case 'mp4':
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return 'video/mp4';
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default:
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logger.info('setting unknown file type as type image/jpg');
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return 'image/jpg';
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}
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};
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function ifEmptyReturnOther (value, replacement) {
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if (value === '') {
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return replacement;
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}
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return value;
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}
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function determineThumbnail (storedThumbnail, defaultThumbnail) {
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return ifEmptyReturnOther(storedThumbnail, defaultThumbnail);
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};
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function determineOgTitle (storedTitle, defaultTitle) {
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return ifEmptyReturnOther(storedTitle, defaultTitle);
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};
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function determineOgDescription (storedDescription, defaultDescription) {
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return ifEmptyReturnOther(storedDescription, defaultDescription);
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};
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function determineOgThumbnailContentType (thumbnail) {
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if (thumbnail.lastIndexOf('.') !== -1) {
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return determineContentTypeFromFileExtension(thumbnail.substring(thumbnail.lastIndexOf('.')));
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}
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return '';
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}
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function addOpengraphDataToClaim (claim) {
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claim['embedUrl'] = `https://spee.ch/embed/${claim.claimId}/${claim.name}`;
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claim['showUrl'] = `https://spee.ch/${claim.claimId}/${claim.name}`;
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claim['source'] = `https://spee.ch/${claim.claimId}/${claim.name}.${claim.fileExt}`;
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claim['directFileUrl'] = `https://spee.ch/${claim.claimId}/${claim.name}.${claim.fileExt}`;
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claim['ogTitle'] = determineOgTitle(claim.title, DEFAULT_TITLE);
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claim['ogDescription'] = determineOgDescription(claim.description, DEFAULT_DESCRIPTION);
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claim['ogThumbnailContentType'] = determineOgThumbnailContentType(claim.thumbnail);
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return claim;
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};
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function prepareClaimData (claim) {
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// logger.debug('preparing claim data based on resolved data:', claim);
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claim['thumbnail'] = determineThumbnail(claim.thumbnail, DEFAULT_THUMBNAIL);
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claim['fileExt'] = determineFileExtensionFromContentType(claim.contentType);
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claim = addOpengraphDataToClaim(claim);
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return claim;
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};
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module.exports = (sequelize, { STRING, BOOLEAN, INTEGER, TEXT, DECIMAL }) => {
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const Claim = sequelize.define(
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'Claim',
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{
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address: {
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type : STRING,
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default: null,
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},
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amount: {
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type : DECIMAL(19, 8),
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default: null,
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},
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claimId: {
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type : STRING,
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default: null,
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},
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claimSequence: {
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type : INTEGER,
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default: null,
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},
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decodedClaim: {
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type : BOOLEAN,
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default: null,
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},
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depth: {
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type : INTEGER,
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default: null,
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},
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effectiveAmount: {
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type : DECIMAL(19, 8),
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default: null,
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},
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hasSignature: {
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type : BOOLEAN,
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default: null,
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},
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height: {
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type : INTEGER,
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default: null,
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},
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hex: {
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type : TEXT('long'),
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default: null,
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},
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name: {
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type : STRING,
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default: null,
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},
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nout: {
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type : INTEGER,
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default: null,
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},
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txid: {
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type : STRING,
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default: null,
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},
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validAtHeight: {
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type : INTEGER,
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default: null,
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},
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outpoint: {
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type : STRING,
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default: null,
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},
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claimType: {
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type : STRING,
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default: null,
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},
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certificateId: {
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type : STRING,
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default: null,
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},
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author: {
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type : STRING,
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default: null,
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},
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description: {
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type : TEXT('long'),
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default: null,
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},
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language: {
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type : STRING,
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default: null,
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},
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license: {
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type : STRING,
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default: null,
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},
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licenseUrl: {
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type : STRING,
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default: null,
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},
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nsfw: {
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type : BOOLEAN,
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default: null,
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},
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preview: {
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type : STRING,
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default: null,
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},
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thumbnail: {
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type : STRING,
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default: null,
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},
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title: {
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type : STRING,
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default: null,
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},
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metadataVersion: {
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type : STRING,
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default: null,
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},
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contentType: {
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type : STRING,
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default: null,
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},
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source: {
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type : STRING,
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default: null,
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},
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sourceType: {
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type : STRING,
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default: null,
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},
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sourceVersion: {
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type : STRING,
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default: null,
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},
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streamVersion: {
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type : STRING,
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default: null,
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},
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valueVersion: {
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type : STRING,
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default: null,
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},
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channelName: {
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type : STRING,
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allowNull: true,
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default : null,
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},
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},
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{
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freezeTableName: true,
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}
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);
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Claim.associate = db => {
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Claim.belongsTo(db.File, {
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onDelete : 'cascade',
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foreignKey: {
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allowNull: true,
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},
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});
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};
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Claim.getShortClaimIdFromLongClaimId = function (claimId, claimName) {
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logger.debug(`Claim.getShortClaimIdFromLongClaimId for ${claimName}#${claimId}`);
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return new Promise((resolve, reject) => {
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this
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.findAll({
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where: { name: claimName },
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order: [['height', 'ASC']],
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})
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.then(result => {
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switch (result.length) {
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case 0:
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throw new Error('No claim(s) found with that claim name');
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default:
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resolve(returnShortId(result, claimId));
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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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Claim.getAllChannelClaims = function (channelClaimId) {
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logger.debug(`Claim.getAllChannelClaims for ${channelClaimId}`);
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return new Promise((resolve, reject) => {
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this
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.findAll({
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where: { certificateId: channelClaimId },
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order: [['height', 'ASC']],
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raw : true, // returns an array of only data, not an array of instances
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})
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.then(channelClaimsArray => {
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// logger.debug('channelclaimsarray length:', channelClaimsArray.length);
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switch (channelClaimsArray.length) {
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case 0:
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return resolve(null);
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default:
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channelClaimsArray.forEach(claim => {
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claim['fileExt'] = determineFileExtensionFromContentType(claim.contentType);
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claim['thumbnail'] = determineThumbnail(claim.thumbnail, DEFAULT_THUMBNAIL);
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return claim;
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});
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return resolve(channelClaimsArray);
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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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Claim.getClaimIdByLongChannelId = function (channelClaimId, claimName) {
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logger.debug(`finding claim id for claim ${claimName} from channel ${channelClaimId}`);
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return new Promise((resolve, reject) => {
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this
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.findAll({
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where: { name: claimName, certificateId: channelClaimId },
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order: [['id', 'ASC']],
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})
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.then(result => {
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switch (result.length) {
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case 0:
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return resolve(null);
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case 1:
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return resolve(result[0].claimId);
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default:
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logger.error(`${result.length} records found for ${claimName} from channel ${claimName}`);
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return resolve(result[0].claimId);
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}
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})
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.catch(error => {
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reject(error);
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});
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});
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};
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Claim.getLongClaimIdFromShortClaimId = function (name, shortId) {
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return new Promise((resolve, reject) => {
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this
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.findAll({
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where: {
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name,
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claimId: {
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$like: `${shortId}%`,
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}},
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order: [['height', 'ASC']],
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})
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.then(result => {
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switch (result.length) {
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case 0:
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return resolve(null);
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default: // note results must be sorted
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return resolve(result[0].claimId);
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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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Claim.getTopFreeClaimIdByClaimName = function (name) {
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return new Promise((resolve, reject) => {
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this
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.findAll({
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where: { name },
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order: [['effectiveAmount', 'DESC'], ['height', 'ASC']], // note: maybe height and effective amount need to switch?
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})
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.then(result => {
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logger.debug('length of result', result.length);
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switch (result.length) {
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case 0:
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return resolve(null);
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default:
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return resolve(result[0].dataValues.claimId);
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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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Claim.validateLongClaimId = function (name, claimId) {
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return new Promise((resolve, reject) => {
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this.findOne({
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where: {name, claimId},
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})
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.then(result => {
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if (!result) {
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return resolve(null);
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};
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resolve(claimId);
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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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Claim.getLongClaimId = function (claimName, claimId) {
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logger.debug(`getLongClaimId(${claimName}, ${claimId})`);
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if (claimId && (claimId.length === 40)) { // if a full claim id is provided
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return this.validateLongClaimId(claimName, claimId);
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} else if (claimId && claimId.length < 40) {
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return this.getLongClaimIdFromShortClaimId(claimName, claimId); // if a short claim id is provided
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} else {
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return this.getTopFreeClaimIdByClaimName(claimName); // if no claim id is provided
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}
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};
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Claim.resolveClaim = function (name, claimId) {
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return new Promise((resolve, reject) => {
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this
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.findAll({
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where: { name, claimId },
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})
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.then(claimArray => {
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logger.debug('claims found on resolve:', claimArray.length);
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switch (claimArray.length) {
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case 0:
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return resolve(null);
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case 1:
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return resolve(prepareClaimData(claimArray[0].dataValues));
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default:
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logger.error(`more than one entry matches that name (${name}) and claimID (${claimId})`);
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return resolve(prepareClaimData(claimArray[0].dataValues));
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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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return Claim;
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};
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