Friendica/friendica
Friendica/friendica
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Implement time based paging for Mastodon Home Timeline Endpoint

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This commit is contained in:
Hank Grabowski 2023-02-21 15:37:32 -05:00
parent b1b3b0ffe7
commit 818075d039
4 changed files with 131 additions and 22 deletions
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71
src/Module/BaseApi.php
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@ -21,12 +21,14 @@
namespace Friendica\Module;
use DateTime;
use Friendica\App;
use Friendica\App\Router;
use Friendica\BaseModule;
use Friendica\Core\L10n;
use Friendica\Core\Logger;
use Friendica\Core\System;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Contact;
use Friendica\Model\Item;
@ -35,6 +37,7 @@ use Friendica\Model\User;
use Friendica\Module\Api\ApiResponse;
use Friendica\Module\Special\HTTPException as ModuleHTTPException;
use Friendica\Network\HTTPException;
use Friendica\Object\Api\Mastodon\TimelineOrderByTypes;
use Friendica\Security\BasicAuth;
use Friendica\Security\OAuth;
use Friendica\Util\DateTimeFormat;
@ -101,6 +104,53 @@ class BaseApi extends BaseModule
return parent::run($httpException, $request);
}
/**
* Processes data from GET requests and sets defaults
*
* @param array $defaults Associative array of expected request keys and their default typed value. A null
* value will remove the request key from the resulting value array.
* @param array $request Custom REQUEST array, superglobal instead
* @return array request data
* @throws \Exception
*/
public function addPagingConditions(array $request, array $condition): array
{
$requested_order = $request['friendica_order'];
if ($requested_order == TimelineOrderByTypes::ID) {
if (!empty($request['max_id'])) {
$condition = DBA::mergeConditions($condition, ["`uri-id` < ?", $request['max_id']]);
}
if (!empty($request['since_id'])) {
$condition = DBA::mergeConditions($condition, ["`uri-id` > ?", $request['since_id']]);
}
if (!empty($request['min_id'])) {
$condition = DBA::mergeConditions($condition, ["`uri-id` > ?", $request['min_id']]);
}
} else {
switch ($requested_order) {
case TimelineOrderByTypes::CREATED_AT:
$order_field = 'created';
break;
default:
$order_field = 'uri-id';
}
if (!empty($request['max_time'])) {
$condition = DBA::mergeConditions($condition, ["`$order_field` < ?", DateTimeFormat::convert($request['max_time'], DateTimeFormat::MYSQL)]);
}
if (!empty($request['min_time'])) {
$condition = DBA::mergeConditions($condition, ["`$order_field` > ?", DateTimeFormat::convert($request['min_time'], DateTimeFormat::MYSQL)]);
$params['order'] = [$order_field];
}
}
return $condition;
}
/**
* Processes data from GET requests and sets defaults
*
@ -143,7 +193,7 @@ class BaseApi extends BaseModule
* Get the "link" header with "next" and "prev" links
* @return string
*/
protected static function getLinkHeader(): string
protected static function getLinkHeader(bool $asDate): string
{
if (empty(self::$boundaries)) {
return '';
@ -154,11 +204,22 @@ class BaseApi extends BaseModule
unset($request['min_id']);
unset($request['max_id']);
unset($request['since_id']);
unset($request['min_time']);
unset($request['max_time']);
$prev_request = $next_request = $request;
$prev_request['min_id'] = self::$boundaries['max'];
$next_request['max_id'] = self::$boundaries['min'];
if ($asDate) {
$max_date = new DateTime();
$max_date->setTimestamp(self::$boundaries['max']);
$min_date = new DateTime();
$min_date->setTimestamp(self::$boundaries['min']);
$prev_request['min_time'] = $max_date->format(DateTimeFormat::JSON);
$next_request['max_time'] = $min_date->format(DateTimeFormat::JSON);
} else {
$prev_request['min_id'] = self::$boundaries['max'];
$next_request['max_id'] = self::$boundaries['min'];
}
$command = DI::baseUrl() . '/' . DI::args()->getCommand();
@ -200,9 +261,9 @@ class BaseApi extends BaseModule
* Set the "link" header with "next" and "prev" links
* @return void
*/
protected static function setLinkHeader()
protected static function setLinkHeader(bool $asDate = false)
{
$header = self::getLinkHeader();
$header = self::getLinkHeader($asDate);
if (!empty($header)) {
header($header);
}