Repositories: move code to src/repositories.php; configure $config['repositories']

conf.php-dist

@@ -1,6 +1,11 @@
 <?php
-// Directory from which to read the categories.
-$config['categoriesDir'] = 'node_modules/openstreetbrowser-categories-main';
+// Repositories from which to read the categories.
+$config['repositories'] = array(
+  'default' => array(
+    'path' => 'node_modules/openstreetbrowser-categories-main',
+    'type' => 'dir',
+  ),
+);
 
 // Set to true to reload categories on every page visit.
 $config['categoriesAlwaysReload'] = true;

modulekit.php

@@ -18,6 +18,7 @@ $include = array(
     'src/ImageLoader.php',
     'src/RepositoryDir.php',
     'src/RepositoryGit.php',
+    'src/repositories.php',
   ),
   'css' => array(
     'style.css',

repo.php

@@ -5,32 +5,14 @@
 <?php include "node_modules/json-multiline-strings/src/json-multiline-strings.php"; ?>
 <?php call_hooks("init"); /* initialize submodules */ ?>
 <?php
-if (!isset($repositories)) {
-  $repositories = array(
-    'default' => array(
-      'path' => $config['categoriesDir'],
-    ),
-  );
-}
-
-function getRepo ($repoId, $repoData) {
-  switch (array_key_exists('type', $repoData) ? $repoData['type'] : 'dir') {
-    case 'git':
-      $repo = new RepositoryGit($repoId, $repoData);
-      break;
-    default:
-      $repo = new RepositoryDir($repoId, $repoData);
-  }
-
-  return $repo;
-}
+$allRepositories = getRepositories();
 
 if (!isset($_REQUEST['repo'])) {
   Header("Content-Type: application/json; charset=utf-8");
   print '{';
 
   $c = 0;
-  foreach ($repositories as $repoId => $repoData) {
+  foreach (getRepositories() as $repoId => $repoData) {
     $repo = getRepo($repoId, $repoData);
 
     print $c++ ? ',' : '';
@@ -43,12 +25,12 @@ if (!isset($_REQUEST['repo'])) {
 }
 
 $repoId = $_REQUEST['repo'];
-if (!array_key_exists($repoId, $repositories)) {
+if (!array_key_exists($repoId, $allRepositories)) {
   Header("HTTP/1.1 404 Repository not found");
   exit(0);
 }
 
-$repo = getRepo($repoId, $repositories[$repoId]);
+$repo = getRepo($repoId, $allRepositories[$repoId]);
 
 $cacheDir = null;
 $ts = $repo->newestTimestamp($path);

src/repositories.php

@@ -0,0 +1,30 @@
+<?php
+function getRepositories () {
+  global $config;
+  $repositories = array();
+
+  if (isset($config['repositories'])) {
+    $repositories = $config['repositories'];
+  }
+  else {
+    $repositories = array(
+      'default' => array(
+        'path' => $config['categoriesDir'],
+      ),
+    );
+  }
+
+  return $repositories;
+}
+
+function getRepo ($repoId, $repoData) {
+  switch (array_key_exists('type', $repoData) ? $repoData['type'] : 'dir') {
+    case 'git':
+      $repo = new RepositoryGit($repoId, $repoData);
+      break;
+    default:
+      $repo = new RepositoryDir($repoId, $repoData);
+  }
+
+  return $repo;
+}