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add pagination to bg process API #62

This commit is contained in:
Leo Germani 2018-07-20 13:58:03 -03:00
parent 7d1f934795
commit fdbc2234c4
1 changed files with 35 additions and 3 deletions
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38
src/api/endpoints/class-tainacan-rest-background-processes-controller.php
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@ -47,7 +47,15 @@ class REST_Background_Processes_Controller extends REST_Controller {
'status' => [
'type' => 'string',
'description' => __( '"open" returns only processes currently running. "closed" returns only finished or aborted. "all" returns all. Default "all"', 'tainacan' ),
]
],
'perpage' => [
'type' => 'integer',
'description' => __( 'Number of processes to return per page. Default 10', 'tainacan' ),
],
'paged' => [
'type' => 'integer',
'description' => __( 'Page to retrieve. Default 1', 'tainacan' ),
],
],
),
));
@ -108,6 +116,19 @@ class REST_Background_Processes_Controller extends REST_Controller {
global $wpdb;
$body = json_decode($request->get_body(), true);
$perpage = isset($body['perpage']) && is_numeric($body['perpage']) ? $body['perpage'] : 10;
if ($perpage < 1) {
$perpage = 1;
}
$paged = isset($body['paged']) && is_numeric($body['paged']) ? $body['paged'] : 1;
if ($paged < 1) {
$paged = 1;
}
$offset = ($paged - 1) * $perpage;
$limit_q = "LIMIT $offset,$perpage";
$user_q = $wpdb->prepare("AND user_id = %d", get_current_user_id());
$status_q = "";
@ -130,11 +151,22 @@ class REST_Background_Processes_Controller extends REST_Controller {
}
}
$query = "SELECT * FROM $this->table WHERE 1=1 $status_q $user_q ORDER BY priority DESC, queued_on DESC";
$base_query = "FROM $this->table WHERE 1=1 $status_q $user_q ORDER BY priority DESC, queued_on DESC";
$query = "SELECT * $base_query $limit_q";
$count_query = "SELECT COUNT(ID) $base_query";
$result = $wpdb->get_results($query);
$total_items = $wpdb->get_var($count_query);
return new \WP_REST_Response( $result, 200 );
$rest_response = new \WP_REST_Response( $result, 200 );
$max_pages = ceil($total_items / (int) $perpage);
$rest_response->header('X-WP-Total', (int) $total_items);
$rest_response->header('X-WP-TotalPages', (int) $max_pages);
return $rest_response;
}