From b4fcb4c27b058dd417ef1a225915ef305493bf7f Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Fri, 8 Feb 2019 11:20:36 +0100
Subject: feeds/feed.php: WIP

---
 feeds/feed.php | 125 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 124 insertions(+), 1 deletion(-)

(limited to 'feeds/feed.php')

diff --git a/feeds/feed.php b/feeds/feed.php
index 040c36d..177071b 100644
--- a/feeds/feed.php
+++ b/feeds/feed.php
@@ -1,3 +1,126 @@
 <?php
 
-echo "sry, this is not yet implemented: " . $_SERVER['REQUEST_URI'];
+require_once "../init.php";
+
+require_once BASE . "/lib/mysql.php";
+
+$uri_parts = explode('/', $_SERVER['REQUEST_URI']);
+
+if ($uri_parts[0] != '' || $uri_parts[1] != 'feeds')
+  throw_http_error(422, 'Unprocessable Entity');
+
+$last = array_pop($uri_parts);
+if ($last != '')
+  array_push($uri_parts, $last);
+
+array_splice(
+  $uri_parts,
+  0, 2
+);
+
+// TODO
+if ($uri_parts[0] == 'releases')
+  throw_http_error(501, "Not Implemented", "Sry, the releases-feed is not yet implemented.");
+
+if ($uri_parts[0] == 'packages') {
+
+  array_splice(
+    $uri_parts,
+    0, 1
+  );
+
+// TODO: implement "added" and "removed" - but how?
+//  $actions = array('' => '', 'added' => 'added', 'removed' => 'removed');
+  $actions = array('' => '');
+  $archs = array('all' => 'all');
+  $result = mysql_run_query(
+    "SELECT DISTINCT `architectures`.`name` FROM `architectures`" .
+    mysql_join_architectures_repositories() .
+    " WHERE `repositories`.`is_on_master_mirror`" .
+    " ORDER BY `name`"
+  );
+  while ($row = $result -> fetch_assoc())
+    $archs[$row['name']] = $row['name'];
+  $repos = array('' => '');
+  $result = mysql_run_query(
+    "SELECT DISTINCT `repositories`.`name` FROM `repositories` WHERE `repositories`.`is_on_master_mirror` ORDER BY `name`"
+  );
+  while ($row = $result -> fetch_assoc())
+    $repos[$row['name']] = $row['name'];
+
+  if (count($uri_parts) > 0 && array_key_exists($uri_parts[0], $actions)) {
+    $action = $uri_parts[0];
+     array_splice(
+       $uri_parts,
+       0, 1
+     );
+  }
+  else
+    $action = '';
+
+  if (count($uri_parts) > 0) {
+    if (!array_key_exists($uri_parts[0], $archs))
+      throw_http_error(501, "Not Implemented", implode('/',$uri_parts));
+    $arch = $uri_parts[0];
+    array_splice(
+      $uri_parts,
+      0, 1
+    );
+  }
+  else
+    $arch = '';
+
+  if (count($uri_parts) > 0) {
+    if (!array_key_exists($uri_parts[0], $repos))
+      throw_http_error(501, "Not Implemented", implode('/',$uri_parts));
+    $repo = $uri_parts[0];
+    array_splice(
+      $uri_parts,
+      0, 1
+    );
+  }
+  else
+    $repo = '';
+
+  if (count($uri_parts) != 0)
+    throw_http_error(501, "Not Implemented", implode('/',$uri_parts));
+
+#  $result = mysql_run_query(
+#    TODO
+#  );
+
+  print "<rss version=\"2.0\">";
+  print "<channel>";
+  print "<title>";
+  print "Arch Linux 32: ";
+  switch ($action) {
+    case '':
+      print "Recent package updates";
+      break;
+    case 'added':
+      print "Recent added packages";
+      break;
+    case 'removes':
+      print "Recent removed packages";
+      break;
+  }
+  if ($arch != '')
+    print " (" . $arch;
+  if ($repo != '')
+    print " [" . $repo . "]";
+  if ($arch != '')
+    print ")";
+  print "</title>";
+  print "<link>";
+  print "https://archlinux32.org" . $_SERVER['REQUEST_URI'];
+  print "</link>";
+  print "<description>";
+  print "</description>";
+# TODO
+  print "</channel>";
+
+  die();
+
+}
+
+throw_http_error(501, "Not Implemented");
-- 
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