From 7485740d9741021b2016df80b225ae4d82b892d0 Mon Sep 17 00:00:00 2001
From: Jozef Selesi <jozefs@users.sourceforge.net>
Date: Sun, 23 Nov 2008 12:41:41 +0000
Subject: Changed and extended the Atom library a little so that the code for
 creating entries and feeds has been considerably simplified and reduced.

---
 modules/atom/libraries/Atom_Entry.php         |  7 +++--
 modules/atom/libraries/Atom_Feed.php          | 11 +++----
 modules/atom/libraries/Gallery_Atom_Entry.php | 39 +++++++++++++++++++++++
 modules/atom/libraries/Gallery_Atom_Feed.php  | 39 +++++++++++++++++++++++
 modules/atom/libraries/Gallery_Atom_Link.php  | 45 +++++++++++++++++++++++++++
 5 files changed, 131 insertions(+), 10 deletions(-)
 create mode 100644 modules/atom/libraries/Gallery_Atom_Entry.php
 create mode 100644 modules/atom/libraries/Gallery_Atom_Feed.php
 create mode 100644 modules/atom/libraries/Gallery_Atom_Link.php

(limited to 'modules/atom/libraries')

diff --git a/modules/atom/libraries/Atom_Entry.php b/modules/atom/libraries/Atom_Entry.php
index 345755c2..70bc6e3a 100644
--- a/modules/atom/libraries/Atom_Entry.php
+++ b/modules/atom/libraries/Atom_Entry.php
@@ -24,8 +24,9 @@ class Atom_Entry_Core extends Atom_Base {
     return $this;
   }
 
-  public function updated($updated) {
-    $this->element->appendChild($this->dom->createElement("updated", $updated));
+  public function updated($timestamp) {
+    $this->element->appendChild(
+      $this->dom->createElement("updated", atom::unix_to_internet_timestamp($timestamp)));
     return $this;
   }
 
@@ -35,7 +36,7 @@ class Atom_Entry_Core extends Atom_Base {
   }
 
   public function content($text, $type="html") {
-    $content = $this->dom->createElement("content", $text);
+    $content = $this->dom->createElement("content", html::specialchars($text));
     $content->setAttribute("type", $type);
     $this->element->appendChild($content);
     return $this;
diff --git a/modules/atom/libraries/Atom_Feed.php b/modules/atom/libraries/Atom_Feed.php
index 8efeb4f2..9625f951 100644
--- a/modules/atom/libraries/Atom_Feed.php
+++ b/modules/atom/libraries/Atom_Feed.php
@@ -25,12 +25,14 @@ class Atom_Feed_Core extends Atom_Base {
   }
 
   public function title($title) {
+    /* @todo Add optional type argument that defaults to "text" */
     $this->element->appendChild($this->dom->createElement("title", $title));
     return $this;
   }
 
-  public function updated($updated) {
-    $this->element->appendChild($this->dom->createElement("updated", $updated));
+  public function updated($timestamp) {
+    $this->element->appendChild(
+      $this->dom->createElement("updated", atom::unix_to_internet_timestamp($timestamp)));
     return $this;
   }
 
@@ -42,9 +44,4 @@ class Atom_Feed_Core extends Atom_Base {
     /* Create new empty entry. */
     return $this->add_child("Atom_Entry", "entry");
   }
-
-  public function append_entry($atom_entry) {
-    /* Append an exising entry. */
-    $this->element->appendChild($atom_entry->get_element());
-  }
 }
diff --git a/modules/atom/libraries/Gallery_Atom_Entry.php b/modules/atom/libraries/Gallery_Atom_Entry.php
new file mode 100644
index 00000000..4b035eed
--- /dev/null
+++ b/modules/atom/libraries/Gallery_Atom_Entry.php
@@ -0,0 +1,39 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2008 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+/**
+ * This class implements Gallery's specific needs for Atom entries.
+ *
+ */
+class Gallery_Atom_Entry_Core extends Atom_Entry {
+  function __construct() {
+    parent::__construct("entry");
+
+    /* Set feed ID and self link. */
+    $this->id(atom::get_absolute_url());
+    $this->link()
+      ->rel("self")
+      ->href(atom::get_absolute_url());
+  }
+
+  public function link() {
+    return $this->add_child("Gallery_Atom_Link", "link");
+  }
+}
diff --git a/modules/atom/libraries/Gallery_Atom_Feed.php b/modules/atom/libraries/Gallery_Atom_Feed.php
new file mode 100644
index 00000000..31f93ec6
--- /dev/null
+++ b/modules/atom/libraries/Gallery_Atom_Feed.php
@@ -0,0 +1,39 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2008 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+/**
+ * This class implements Gallery's specific needs for Atom feeds.
+ *
+ */
+class Gallery_Atom_Feed_Core extends Atom_Feed {
+  function __construct() {
+    parent::__construct("feed");
+
+    /* Set feed ID and self link. */
+    $this->id(atom::get_absolute_url());
+    $this->link()
+      ->rel("self")
+      ->href(atom::get_absolute_url());
+  }
+
+  public function link() {
+    return $this->add_child("Gallery_Atom_Link", "link");
+  }
+}
diff --git a/modules/atom/libraries/Gallery_Atom_Link.php b/modules/atom/libraries/Gallery_Atom_Link.php
new file mode 100644
index 00000000..abcd3bc9
--- /dev/null
+++ b/modules/atom/libraries/Gallery_Atom_Link.php
@@ -0,0 +1,45 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2008 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+class Gallery_Atom_Link_Core extends Atom_Link {
+  public function related_atom($relative_uri, $title="") {
+    if (empty($title)) {
+      $title = _("Get related meta data");
+    }
+
+    $this->rel("related")
+      ->type(rest::ATOM)
+      ->title($title)
+      ->href(sprintf("%s%s", atom::get_base_url(), $relative_uri));
+    return $this;
+  }
+
+  public function related_image($relative_uri, $title="", $image_type="jpeg") {
+    if (empty($title)) {
+      $title = _("Get related image");
+    }
+
+    $this->rel("related")
+      ->type("image/" . $image_type)
+      ->title($title)
+      ->href(sprintf("%s%s", atom::get_base_url(), $relative_uri));
+    return $this;
+  }
+}
-- 
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