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Implement correct behavior for min_id in boundary pagination

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- The previous behavior of since_id systematically showed the most recent results
This commit is contained in:
Hypolite Petovan 2020-10-12 23:45:02 -04:00
parent e0a6b90316
commit 4427876c05
10 changed files with 101 additions and 59 deletions
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35
src/BaseRepository.php
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@ -97,34 +97,53 @@ abstract class BaseRepository extends BaseFactory
* Populates the collection according to the condition. Retrieves a limited subset of models depending on the boundaries
* and the limit. The total count of rows matching the condition is stored in the collection.
*
* max_id and min_id are susceptible to the query order:
* - min_id alone only reliably works with ASC order
* - max_id alone only reliably works with DESC order
* If the wrong order is detected in either case, we inverse the query order and we reverse the model array after the query
*
* Chainable.
*
* @param array $condition
* @param array $params
* @param int? $max_id
* @param int? $since_id
* @param int? $min_id Retrieve models with an id no fewer than this, as close to it as possible
* @param int? $max_id Retrieve models with an id no greater than this, as close to it as possible
* @param int $limit
* @return BaseCollection
* @throws \Exception
*/
public function selectByBoundaries(array $condition = [], array $params = [], int $max_id = null, int $since_id = null, int $limit = self::LIMIT)
public function selectByBoundaries(array $condition = [], array $params = [], int $min_id = null, int $max_id = null, int $limit = self::LIMIT)
{
$totalCount = DBA::count(static::$table_name, $condition);
$boundCondition = $condition;
if (isset($max_id)) {
$boundCondition = DBA::mergeConditions($boundCondition, ['`id` < ?', $max_id]);
$reverseModels = false;
if (isset($min_id)) {
$boundCondition = DBA::mergeConditions($boundCondition, ['`id` > ?', $min_id]);
if (!isset($max_id) && isset($params['order']['id']) && ($params['order']['id'] === true || $params['order']['id'] === 'DESC')) {
$reverseModels = true;
$params['order']['id'] = 'ASC';
}
}
if (isset($since_id)) {
$boundCondition = DBA::mergeConditions($boundCondition, ['`id` > ?', $since_id]);
if (isset($max_id)) {
$boundCondition = DBA::mergeConditions($boundCondition, ['`id` < ?', $max_id]);
if (!isset($min_id) && (!isset($params['order']['id']) || $params['order']['id'] === false || $params['order']['id'] === 'ASC')) {
$reverseModels = true;
$params['order']['id'] = 'DESC';
}
}
$params['limit'] = $limit;
$models = $this->selectModels($boundCondition, $params);
if ($reverseModels) {
$models = array_reverse($models);
}
return new static::$collection_class($models, $totalCount);
}
@ -217,6 +236,8 @@ abstract class BaseRepository extends BaseFactory
}
}
$this->dba->close($result);
return $models;
}