Working app! Copied signin logic from OwnYourGram. New "post" interface for writing a simple text post. Also supports browser geolocation.

lib/helpers.php

@@ -0,0 +1,106 @@
+<?php
+
+ORM::configure('mysql:host=' . Config::$dbHost . ';dbname=' . Config::$dbName);
+ORM::configure('username', Config::$dbUsername);
+ORM::configure('password', Config::$dbPassword);
+
+function render($page, $data) {
+  global $app;
+  return $app->render('layout.php', array_merge($data, array('page' => $page)));
+};
+
+function partial($template, $data=array(), $debug=false) {
+  global $app;
+
+  if($debug) {
+    $tpl = new Savant3(\Slim\Extras\Views\Savant::$savantOptions);
+    echo '<pre>' . $tpl->fetch($template . '.php') . '</pre>';
+    return '';
+  }
+
+  ob_start();
+  $tpl = new Savant3(\Slim\Extras\Views\Savant::$savantOptions);
+  foreach($data as $k=>$v) {
+    $tpl->{$k} = $v;
+  }
+  $tpl->display($template . '.php');
+  return ob_get_clean();
+}
+
+function session($key) {
+  if(array_key_exists($key, $_SESSION))
+    return $_SESSION[$key];
+  else
+    return null;
+}
+
+function k($a, $k, $default=null) {
+  if(is_array($k)) {
+    $result = true;
+    foreach($k as $key) {
+      $result = $result && array_key_exists($key, $a);
+    }
+    return $result;
+  } else {
+    if(is_array($a) && array_key_exists($k, $a) && $a[$k])
+      return $a[$k];
+    elseif(is_object($a) && property_exists($a, $k) && $a->$k)
+      return $a->$k;
+    else
+      return $default;
+  }
+}
+
+function get_timezone($lat, $lng) {
+  try {
+    $ch = curl_init();
+    curl_setopt($ch, CURLOPT_URL, 'http://timezone-api.geoloqi.com/timezone/'.$lat.'/'.$lng);
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+    $response = curl_exec($ch);
+    $tz = @json_decode($response);
+    if($tz)
+      return new DateTimeZone($tz->timezone);
+  } catch(Exception $e) {
+    return null;
+  }
+  return null;
+}
+
+function micropub_post($endpoint, $params, $access_token) {
+  $ch = curl_init();
+  curl_setopt($ch, CURLOPT_URL, $endpoint);
+  curl_setopt($ch, CURLOPT_HTTPHEADER, array(
+    'Authorization: Bearer ' . $access_token
+  ));
+  curl_setopt($ch, CURLOPT_POST, true);
+  curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(array_merge(array(
+    'h' => 'entry'
+  ), $params)));
+  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+  curl_setopt($ch, CURLOPT_HEADER, true);
+  $response = curl_exec($ch);
+  $error = curl_error($ch);
+  return array(
+    'response' => $response,
+    'error' => $error,
+    'curlinfo' => curl_getinfo($ch)
+  );
+}
+
+function static_map($latitude, $longitude, $height=180, $width=700, $zoom=14) {
+  return 'http://static-maps.pdx.esri.com/img.php?marker[]=lat:' . $latitude . ';lng:' . $longitude . ';icon:small-blue-cutout&basemap=gray&width=' . $width . '&height=' . $height . '&zoom=' . $zoom;
+}
+
+function relative_time($date) {
+  static $rel;
+  if(!isset($rel)) {
+    $config = array(
+        'language' => '\RelativeTime\Languages\English',
+        'separator' => ', ',
+        'suffix' => true,
+        'truncate' => 1,
+    );
+    $rel = new \RelativeTime\RelativeTime($config);
+  }
+  return $rel->timeAgo($date);
+}