kopia lustrzana https://github.com/pixelfed/pixelfed
118 wiersze
3.0 KiB
PHP
118 wiersze
3.0 KiB
PHP
<?php
|
|
|
|
namespace App\Services;
|
|
|
|
use Illuminate\Support\Facades\Redis;
|
|
use Cache;
|
|
use DB;
|
|
use App\{
|
|
Follower,
|
|
Profile,
|
|
User
|
|
};
|
|
|
|
class FollowerService
|
|
{
|
|
const CACHE_KEY = 'pf:services:followers:';
|
|
const FOLLOWING_KEY = 'pf:services:follow:following:id:';
|
|
const FOLLOWERS_KEY = 'pf:services:follow:followers:id:';
|
|
|
|
public static function add($actor, $target)
|
|
{
|
|
RelationshipService::refresh($actor, $target);
|
|
Redis::zadd(self::FOLLOWING_KEY . $actor, $target, $target);
|
|
Redis::zadd(self::FOLLOWERS_KEY . $target, $actor, $actor);
|
|
}
|
|
|
|
public static function remove($actor, $target)
|
|
{
|
|
RelationshipService::refresh($actor, $target);
|
|
Redis::zrem(self::FOLLOWING_KEY . $actor, $target);
|
|
Redis::zrem(self::FOLLOWERS_KEY . $target, $actor);
|
|
Cache::forget('pf:services:follow:audience:' . $actor);
|
|
Cache::forget('pf:services:follow:audience:' . $target);
|
|
}
|
|
|
|
public static function followers($id, $start = 0, $stop = 10)
|
|
{
|
|
return Redis::zrange(self::FOLLOWERS_KEY . $id, $start, $stop);
|
|
}
|
|
|
|
public static function following($id, $start = 0, $stop = 10)
|
|
{
|
|
return Redis::zrange(self::FOLLOWING_KEY . $id, $start, $stop);
|
|
}
|
|
|
|
public static function follows(string $actor, string $target)
|
|
{
|
|
return Follower::whereProfileId($actor)->whereFollowingId($target)->exists();
|
|
}
|
|
|
|
public static function audience($profile, $scope = null)
|
|
{
|
|
return (new self)->getAudienceInboxes($profile, $scope);
|
|
}
|
|
|
|
public static function softwareAudience($profile, $software = 'pixelfed')
|
|
{
|
|
return collect(self::audience($profile))
|
|
->filter(function($inbox) use($software) {
|
|
$domain = parse_url($inbox, PHP_URL_HOST);
|
|
if(!$domain) {
|
|
return false;
|
|
}
|
|
return InstanceService::software($domain) === strtolower($software);
|
|
})
|
|
->unique()
|
|
->values()
|
|
->toArray();
|
|
}
|
|
|
|
protected function getAudienceInboxes($pid, $scope = null)
|
|
{
|
|
$key = 'pf:services:follow:audience:' . $pid;
|
|
return Cache::remember($key, 86400, function() use($pid) {
|
|
$profile = Profile::find($pid);
|
|
if(!$profile) {
|
|
return [];
|
|
}
|
|
return $profile
|
|
->followers()
|
|
->get()
|
|
->map(function($follow) {
|
|
return $follow->sharedInbox ?? $follow->inbox_url;
|
|
})
|
|
->filter()
|
|
->unique()
|
|
->values()
|
|
->toArray();
|
|
});
|
|
}
|
|
|
|
public static function mutualCount($pid, $mid)
|
|
{
|
|
return Cache::remember(self::CACHE_KEY . ':mutualcount:' . $pid . ':' . $mid, 3600, function() use($pid, $mid) {
|
|
return DB::table('followers as u')
|
|
->join('followers as s', 'u.following_id', '=', 's.following_id')
|
|
->where('s.profile_id', $mid)
|
|
->where('u.profile_id', $pid)
|
|
->count();
|
|
});
|
|
}
|
|
|
|
public static function mutualIds($pid, $mid, $limit = 3)
|
|
{
|
|
$key = self::CACHE_KEY . ':mutualids:' . $pid . ':' . $mid . ':limit_' . $limit;
|
|
return Cache::remember($key, 3600, function() use($pid, $mid, $limit) {
|
|
return DB::table('followers as u')
|
|
->join('followers as s', 'u.following_id', '=', 's.following_id')
|
|
->where('s.profile_id', $mid)
|
|
->where('u.profile_id', $pid)
|
|
->limit($limit)
|
|
->pluck('s.following_id')
|
|
->toArray();
|
|
});
|
|
}
|
|
|
|
}
|