add api directory

api/parents.php

@@ -0,0 +1,35 @@
+<?php
+
+header('Content-Type: application/json');
+
+try{
+    $pdo = new PDO('sqlite:../data/base.sqlite');
+    $pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
+    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); // ERRMODE_WARNING | ERRMODE_EXCEPTION | ERRMODE_SILENT
+} catch(Exception $e) {
+    echo "Impossible d'accéder à la base de données SQLite : ".$e->getMessage();
+    die();
+}
+
+$where_clause  = 'WHERE 1 = 1 ';
+$where_clause .= 'AND item = '.$_REQUEST['item'];
+
+$sql = ' 
+WITH arbre (id,level, path) AS(
+    SELECT parent, 0, '['|| tree.parent || ']'
+    FROM tree 
+    WHERE_CLAUSE
+  UNION ALL
+    SELECT parent, arbre.level+1, arbre.path||'['||tree.parent||']'
+    FROM tree
+    INNER JOIN arbre ON arbre.id = tree.item
+) SELECT arbre.*, item.code, item.title FROM arbre 
+INNER JOIN item ON arbre.id = item.id
+ORDER BY path DESC
+';
+
+$query = $pdo->prepare(str_replace('WHERE_CLAUSE',$where_clause,$sql));
+$query->execute();
+echo json_encode( $query->fetchAll(PDO::FETCH_ASSOC));
+
+?>