forked from DebaucheryLibrarian/traxxx
16 lines
578 B
JavaScript
16 lines
578 B
JavaScript
'use strict';
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const knex = require('./knex');
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async function matchTags(rawTags) {
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const tagEntries = await knex('tags')
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.select(knex.raw('ifnull(original.tag, tags.tag) as tag'), knex.raw('ifnull(original.tag, tags.tag) as tag'))
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.whereIn('tags.tag', rawTags)
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.orWhereIn('tags.tag', rawTags.map(tag => tag.toLowerCase()))
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.leftJoin('tags as original', 'tags.alias_for', 'original.tag');
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return Array.from(new Set(tagEntries.map(({ tag }) => tag))).sort(); // reduce to tag name and filter duplicates
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}
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module.exports = { matchTags };
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