forked from mirror/pixelfed
38 lines
1 KiB
PHP
38 lines
1 KiB
PHP
<?php
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namespace App\Services;
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use DB;
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use App\StatusHashtag;
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use App\Models\HashtagRelated;
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class HashtagRelatedService
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{
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public static function get($id)
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{
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$tag = HashtagRelated::whereHashtagId($id)->first();
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if(!$tag) {
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return [];
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}
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return $tag->related_tags;
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}
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public static function fetchRelatedTags($tag)
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{
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$res = StatusHashtag::query()
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->select('h2.name', DB::raw('COUNT(*) as related_count'))
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->join('status_hashtags as hs2', function ($join) {
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$join->on('status_hashtags.status_id', '=', 'hs2.status_id')
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->whereRaw('status_hashtags.hashtag_id != hs2.hashtag_id');
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})
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->join('hashtags as h1', 'status_hashtags.hashtag_id', '=', 'h1.id')
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->join('hashtags as h2', 'hs2.hashtag_id', '=', 'h2.id')
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->where('h1.name', '=', $tag)
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->groupBy('h2.name')
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->orderBy('related_count', 'desc')
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->limit(30)
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->get();
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return $res;
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}
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}
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