forked from mirror/pixelfed
115 lines
2.8 KiB
PHP
115 lines
2.8 KiB
PHP
<?php
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namespace App\Services;
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use App\Util\ActivityPub\Helpers;
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use Illuminate\Support\Facades\Cache;
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use Illuminate\Support\Facades\Redis;
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use App\Like;
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class LikeService {
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const CACHE_KEY = 'pf:services:likes:ids:';
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const CACHE_SET_KEY = 'pf:services:likes:set:';
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public static function add($profileId, $statusId)
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{
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$key = self::CACHE_KEY . $profileId . ':' . $statusId;
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Cache::increment('pf:services:likes:count:'.$statusId);
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Cache::forget('pf:services:likes:liked_by:'.$statusId);
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self::setAdd($profileId, $statusId);
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return Cache::put($key, true, 86400);
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}
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public static function setAdd($profileId, $statusId)
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{
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if(self::setCount($profileId) > 400) {
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Redis::zpopmin(self::CACHE_SET_KEY . $profileId);
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}
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return Redis::zadd(self::CACHE_SET_KEY . $profileId, $statusId, $statusId);
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}
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public static function setCount($id)
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{
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return Redis::zcard(self::CACHE_SET_KEY . $id);
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}
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public static function setRem($profileId, $val)
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{
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return Redis::zrem(self::CACHE_SET_KEY . $profileId, $val);
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}
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public static function get($profileId, $start = 0, $stop = 10)
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{
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if($stop > 100) {
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$stop = 100;
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}
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return Redis::zrevrange(self::CACHE_SET_KEY . $profileId, $start, $stop);
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}
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public static function remove($profileId, $statusId)
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{
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$key = self::CACHE_KEY . $profileId . ':' . $statusId;
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Cache::decrement('pf:services:likes:count:'.$statusId);
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Cache::forget('pf:services:likes:liked_by:'.$statusId);
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self::setRem($profileId, $statusId);
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return Cache::put($key, false, 86400);
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}
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public static function liked($profileId, $statusId)
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{
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$key = self::CACHE_KEY . $profileId . ':' . $statusId;
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return Cache::remember($key, 86400, function() use($profileId, $statusId) {
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return Like::whereProfileId($profileId)->whereStatusId($statusId)->exists();
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});
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}
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public static function likedBy($status)
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{
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$empty = [
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'username' => null,
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'others' => false
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];
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if(!$status) {
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return $empty;
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}
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$res = Cache::remember('pf:services:likes:liked_by:' . $status->id, 86400, function() use($status, $empty) {
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$like = Like::whereStatusId($status->id)->first();
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if(!$like) {
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return $empty;
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}
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$id = $like->profile_id;
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$profile = ProfileService::get($id, true);
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if(!$profile) {
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return [];
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}
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$profileUrl = "/i/web/profile/{$profile['id']}";
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$res = [
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'id' => (string) $profile['id'],
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'username' => $profile['username'],
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'url' => $profileUrl,
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'others' => $status->likes_count >= 3,
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];
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return $res;
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});
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if(!isset($res['id']) || !isset($res['url'])) {
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return $empty;
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}
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$res['total_count'] = ($status->likes_count - 1);
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$res['total_count_pretty'] = number_format($res['total_count']);
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return $res;
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}
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public static function count($id)
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{
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return Cache::get('pf:services:likes:count:'.$id, 0);
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}
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}
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