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