add rencontres php page

tools/wiki/rencontres.php

@@ -0,0 +1,74 @@
+<?php
+# copy this at the root of tiki
+
+require 'db/local.php';
+setlocale(LC_ALL, "fr_FR.UTF8");
+
+$db = new mysqli('localhost', $user_tiki, $pass_tiki, $dbs_tiki);
+
+if ($db->connect_errno) {
+  echo mysqli_connect_error();
+  exit;
+}
+
+$db->set_charset("utf8");
+
+function getlist($query) {
+  global $db;
+  $result = $db->query($query);
+  $back = array();
+  while ($row = $result->fetch_row()) {
+    $back[$row[0]] = $row[1];
+  }
+  return $back;
+}
+
+$fields = array(
+  '3' => "titre",
+  '5' => "wikipage",
+  '7' => "lieu"
+);
+
+$data = array(
+  'avenir' => array(),
+  'passe' => array()
+);
+
+$avenir = "select itemId, value from tiki_tracker_item_fields where fieldId=1 and value > unix_timestamp(now()) order by value asc limit 5";
+$passe = "select itemId, value from tiki_tracker_item_fields where fieldId=1 and value < unix_timestamp(now()) order by value desc limit 5";
+
+function getevents($list) {
+  global $fields;
+  $back = array();
+  foreach ($list as $id => $date) {
+    $d = date_create();
+    date_timestamp_set($d, $date);
+    $event = array(
+      'id' => $id,
+      'date' => strftime("%A %e %B", $date)
+    );
+    $query = "select fieldId, value from tiki_tracker_item_fields where itemId=$id and fieldId in (".join(",", array_keys($fields)).")";
+    foreach (getlist($query) as $key => $value) {
+      $event[$fields[$key]] = $value;
+    }
+    $back[] = $event;
+  }
+  return $back;
+}
+
+$avenir = getevents(getlist($avenir));
+$passe = getevents(getlist($passe));
+$data = array(
+  "avenir" => $avenir,
+  "passe" => $passe
+);
+
+header('Content-Type: application/json');
+
+$json = json_encode( (object) $data, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
+
+if ($json === false) {
+  $json = json_encode(array("jsonError", json_last_error_msg()));
+}
+
+echo $json;