mirror of https://github.com/pixelfed/pixelfed.git
67 lines
1.8 KiB
PHP
67 lines
1.8 KiB
PHP
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<?php
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namespace App\Services;
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use DB;
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use Illuminate\Support\Facades\Redis;
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class ProfileStatusService
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{
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const CACHE_KEY = 'pf:services:profile-statuses:ids:';
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const COLD_CHECK_KEY = 'pf:services:profile-statuses:id-ttl:';
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const FALLOFF_LIMIT = 40;
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public static function get($id, $start = 0, $stop = 8)
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{
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$key = self::CACHE_KEY . $id;
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if(!Redis::zscore(self::COLD_CHECK_KEY, $id)) {
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$res = self::coldFetch($id);
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if($res && count($res)) {
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return array_slice($res, $start, $stop);
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}
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}
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$ids = Redis::zrevrange($key, $start, $stop - 1);
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return $ids;
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}
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public static function count($id)
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{
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return Redis::zcount(self::CACHE_KEY . $id, '-inf', '+inf');
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}
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public static function add($pid, $sid)
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{
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if(self::count($pid) > self::FALLOFF_LIMIT) {
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Redis::zpopmin(self::CACHE_KEY . $pid);
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}
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return Redis::zadd(self::CACHE_KEY . $pid, $sid, $sid);
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}
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public static function delete($pid, $sid)
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{
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return Redis::zrem(self::CACHE_KEY . $pid, $sid);
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}
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public static function coldFetch($pid)
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{
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Redis::del(self::CACHE_KEY . $pid);
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$ids = DB::table('statuses')
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->select('id', 'profile_id', 'type', 'scope')
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->whereIn('type', ['photo', 'photo:album', 'video'])
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->whereIn('scope', ['public', 'unlisted'])
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->whereProfileId($pid)
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->orderByDesc('id')
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->limit(self::FALLOFF_LIMIT)
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->pluck('id')
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->toArray();
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if($ids && count($ids)) {
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foreach($ids as $id) {
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self::add($pid, $id);
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}
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}
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Redis::zadd(self::COLD_CHECK_KEY, $pid, $pid);
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return $ids;
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}
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}
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