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Add strategy for more efficient pagination in API listing of entries by using before_id and after_id wheres instead of pagination if possible

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This commit is contained in:
osaajani 2024-12-20 23:32:56 +01:00
parent 04b0f1267a
commit 0e11bcda17
10 changed files with 156 additions and 28 deletions
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49
models/Group.php
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@ -20,10 +20,12 @@ namespace models;
* @param int $id_user : user id
* @param ?int $limit : Number of entry to return or null
* @param ?int $offset : Number of entry to ignore or null
* @param ?int $after_id : If provided use where id > $after_id instead of offset
* @param ?int $before_id : If provided use where id < $before_id instead of offset
*
* @return array
*/
public function list_for_user(int $id_user, $limit, $offset)
public function list_for_user(int $id_user, $limit, $offset, ?int $after_id = null, ?int $before_id = null)
{
$query = '
SELECT g.*, COUNT(gc.id) as nb_contact
@ -31,9 +33,43 @@ namespace models;
LEFT JOIN group_contact as gc
ON g.id = gc.id_group
WHERE id_user = :id_user
GROUP BY g.id
';
$params = [
'id_user' => $id_user,
];
if ($after_id || $before_id)
{
$offset = null;
}
if ($after_id)
{
$query .= '
AND g.id > :after_id
GROUP BY g.id
ORDER BY g.id
';
$params['after_id'] = $after_id;
}
elseif ($before_id)
{
$query .= '
AND g.id < :before_id
GROUP BY g.id
ORDER BY g.id DESC
';
$params['before_id'] = $before_id;
}
else
{
$query .= '
GROUP BY g.id
ORDER BY g.id
';
}
if (null !== $limit)
{
$limit = (int) $limit;
@ -46,10 +82,11 @@ namespace models;
}
}
$params = [
'id_user' => $id_user,
];
if ($before_id)
{
return array_reverse($this->_run_query($query, $params));
}
return $this->_run_query($query, $params);
}