forked from mirror/pixelfed
101 lines
2.8 KiB
PHP
101 lines
2.8 KiB
PHP
<?php
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namespace App\Services;
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use Illuminate\Support\Facades\Cache;
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use Illuminate\Support\Facades\Redis;
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use App\Follower;
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use App\Status;
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class HomeTimelineService
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{
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const CACHE_KEY = 'pf:services:timeline:home:';
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const FOLLOWER_FEED_POST_LIMIT = 10;
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public static function get($id, $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_KEY . $id, $start, $stop);
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}
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public static function getRankedMaxId($id, $start = null, $limit = 10)
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{
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if(!$start) {
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return [];
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}
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return array_keys(Redis::zrevrangebyscore(self::CACHE_KEY . $id, $start, '-inf', [
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'withscores' => true,
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'limit' => [1, $limit - 1]
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]));
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}
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public static function getRankedMinId($id, $end = null, $limit = 10)
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{
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if(!$end) {
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return [];
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}
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return array_keys(Redis::zrevrangebyscore(self::CACHE_KEY . $id, '+inf', $end, [
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'withscores' => true,
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'limit' => [0, $limit]
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]));
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}
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public static function add($id, $val)
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{
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if(self::count($id) >= 400) {
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Redis::zpopmin(self::CACHE_KEY . $id);
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}
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return Redis::zadd(self::CACHE_KEY .$id, $val, $val);
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}
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public static function rem($id, $val)
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{
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return Redis::zrem(self::CACHE_KEY . $id, $val);
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}
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public static function count($id)
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{
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return Redis::zcard(self::CACHE_KEY . $id);
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}
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public static function warmCache($id, $force = false, $limit = 100, $returnIds = false)
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{
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if(self::count($id) == 0 || $force == true) {
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Redis::del(self::CACHE_KEY . $id);
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$following = Cache::remember('profile:following:'.$id, 1209600, function() use($id) {
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$following = Follower::whereProfileId($id)->pluck('following_id');
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return $following->push($id)->toArray();
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});
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$minId = SnowflakeService::byDate(now()->subMonths(6));
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$filters = UserFilterService::filters($id);
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if($filters && count($filters)) {
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$following = array_diff($following, $filters);
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}
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$ids = Status::where('id', '>', $minId)
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->whereIn('profile_id', $following)
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->whereNull(['in_reply_to_id', 'reblog_of_id'])
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->whereIn('type', ['photo', 'photo:album', 'video', 'video:album', 'photo:video:album'])
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->whereIn('visibility',['public', 'unlisted', 'private'])
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->orderByDesc('id')
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->limit($limit)
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->pluck('id');
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foreach($ids as $pid) {
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self::add($id, $pid);
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}
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return $returnIds ? $ids : 1;
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}
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return 0;
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}
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}
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