55 lines
1.7 KiB
JavaScript
55 lines
1.7 KiB
JavaScript
'use strict';
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const config = require('config');
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const dateFns = require('date-fns');
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const extensions = {
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'image/jpeg': '.jpg',
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'image/gif': '.gif',
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'video/mp4': '.mp4',
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'video/webm': '.webm'
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};
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function interpolate(path, post, item) {
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const dateFormat = config.patterns.dateFormat || 'YYYYMMDD';
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const vars = {
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$postId: post.id,
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$postTitle: (post.title || '').slice(0, config.patterns.titleLength),
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$postUser: post.user,
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$postDate: dateFns.format(post.datetime, dateFormat),
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$postIndex: post.index + config.patterns.indexOffset,
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$host: post.host.label
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};
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if(post.content.album) {
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Object.assign(vars, {
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$albumId: post.content.album.id,
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$albumTitle: (post.content.album.title || '').slice(0, config.patterns.titleLength),
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$albumDescription: post.content.album.description,
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$albumDate: dateFns.format(post.content.album.datetime, dateFormat)
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});
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}
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if(item) {
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Object.assign(vars, {
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$itemId: item.id,
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$itemTitle: (item.title || '').slice(0, config.patterns.titleLength),
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$itemDescription: item.description,
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$itemDate: dateFns.format(item.datetime, dateFormat),
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$itemIndex: item.index + config.patterns.indexOffset,
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$extracted: item.extracted ? config.patterns.extractedLabel : '',
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$ext: extensions[item.type]
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});
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}
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return Object.entries(vars).reduce((acc, [key, value], index) => {
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// strip slashes for filesystem compatability
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value = (value || '').toString().replace(/\//g, config.patterns.slashSubstitute);
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return acc.replace(key, value);
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}, path);
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};
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module.exports = interpolate;
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