pixelfed/app/Services/UserFilterService.php

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<?php
namespace App\Services;
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use Cache;
use App\UserFilter;
use App\Models\UserDomainBlock;
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use Illuminate\Support\Facades\Redis;
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class UserFilterService
{
const USER_MUTES_KEY = 'pf:services:mutes:ids:';
const USER_BLOCKS_KEY = 'pf:services:blocks:ids:';
const USER_DOMAIN_KEY = 'pf:services:domain-blocks:ids:';
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public static function mutes(int $profile_id)
{
$key = self::USER_MUTES_KEY . $profile_id;
$warm = Cache::has($key . ':cached-v0');
if($warm) {
return Redis::zrevrange($key, 0, -1) ?? [];
} else {
if(Redis::zrevrange($key, 0, -1)) {
return Redis::zrevrange($key, 0, -1);
}
$ids = UserFilter::whereFilterType('mute')
->whereUserId($profile_id)
->pluck('filterable_id')
->map(function($id) {
$acct = AccountService::get($id, true);
if(!$acct) {
return false;
}
return $acct['id'];
})
->filter(function($res) {
return $res;
})
->values()
->toArray();
foreach ($ids as $muted_id) {
Redis::zadd($key, (int) $muted_id, (int) $muted_id);
}
Cache::set($key . ':cached-v0', 1, 7776000);
return $ids;
}
}
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public static function blocks(int $profile_id)
{
$key = self::USER_BLOCKS_KEY . $profile_id;
$warm = Cache::has($key . ':cached-v0');
if($warm) {
return Redis::zrevrange($key, 0, -1) ?? [];
} else {
if(Redis::zrevrange($key, 0, -1)) {
return Redis::zrevrange($key, 0, -1);
}
$ids = UserFilter::whereFilterType('block')
->whereUserId($profile_id)
->pluck('filterable_id')
->map(function($id) {
$acct = AccountService::get($id, true);
if(!$acct) {
return false;
}
return $acct['id'];
})
->filter(function($res) {
return $res;
})
->values()
->toArray();
foreach ($ids as $blocked_id) {
Redis::zadd($key, (int) $blocked_id, (int) $blocked_id);
}
Cache::set($key . ':cached-v0', 1, 7776000);
return $ids;
}
}
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public static function filters(int $profile_id)
{
return array_unique(array_merge(self::mutes($profile_id), self::blocks($profile_id)));
}
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public static function mute(int $profile_id, int $muted_id)
{
if($profile_id == $muted_id) {
return false;
}
$key = self::USER_MUTES_KEY . $profile_id;
$mutes = self::mutes($profile_id);
$exists = in_array($muted_id, $mutes);
if(!$exists) {
Redis::zadd($key, $muted_id, $muted_id);
}
return true;
}
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public static function unmute(int $profile_id, string $muted_id)
{
if($profile_id == $muted_id) {
return false;
}
$key = self::USER_MUTES_KEY . $profile_id;
$mutes = self::mutes($profile_id);
$exists = in_array($muted_id, $mutes);
if($exists) {
Redis::zrem($key, $muted_id);
}
return true;
}
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public static function block(int $profile_id, int $blocked_id)
{
if($profile_id == $blocked_id) {
return false;
}
$key = self::USER_BLOCKS_KEY . $profile_id;
$exists = in_array($blocked_id, self::blocks($profile_id));
if(!$exists) {
Redis::zadd($key, $blocked_id, $blocked_id);
}
return true;
}
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public static function unblock(int $profile_id, string $blocked_id)
{
if($profile_id == $blocked_id) {
return false;
}
$key = self::USER_BLOCKS_KEY . $profile_id;
$exists = in_array($blocked_id, self::blocks($profile_id));
if($exists) {
Redis::zrem($key, $blocked_id);
}
return $exists;
}
public static function blockCount(int $profile_id)
{
return Redis::zcard(self::USER_BLOCKS_KEY . $profile_id);
}
public static function muteCount(int $profile_id)
{
return Redis::zcard(self::USER_MUTES_KEY . $profile_id);
}
public static function domainBlocks($pid, $purge = false)
{
if($purge) {
Cache::forget(self::USER_DOMAIN_KEY . $pid);
}
return Cache::remember(
self::USER_DOMAIN_KEY . $pid,
21600,
function() use($pid) {
return UserDomainBlock::whereProfileId($pid)->pluck('domain')->toArray();
});
}
}