From 3ad9b6174a0adcc3d9b6e4ae007bd3ffd8ef2d26 Mon Sep 17 00:00:00 2001
From: Tim Almdal <tnalmdal@shaw.ca>
Date: Fri, 28 Nov 2008 00:19:08 +0000
Subject: Add event plumbing to allow the tag module to be notified when a
 photo is created. Eventually this will be used to parse the image meta data
 and extract tags;

---
 core/helpers/album.php              |  3 +++
 core/helpers/photo.php              |  6 +++++-
 modules/tag/helpers/tag.php         | 13 +++++++++++++
 modules/tag/hooks/photo_created.php |  2 ++
 4 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 modules/tag/hooks/photo_created.php

diff --git a/core/helpers/album.php b/core/helpers/album.php
index bae682fa..e2163b4c 100644
--- a/core/helpers/album.php
+++ b/core/helpers/album.php
@@ -53,6 +53,9 @@ class album_Core {
     if (!file_exists($thumbnail_dir)) {
       mkdir($thumbnail_dir);
     }
+
+    Event::run("gallery.album_created", $photo);
+
     return $album;
   }
 }
diff --git a/core/helpers/photo.php b/core/helpers/photo.php
index 46a33b56..900322d2 100644
--- a/core/helpers/photo.php
+++ b/core/helpers/photo.php
@@ -74,8 +74,12 @@ class photo_Core {
 
     // @todo: parameterize these dimensions
     // This saves the photo a second time, which is unfortunate but difficult to avoid.
-    return $photo->set_thumbnail($filename, 200, 140)
+    $result = $photo->set_thumbnail($filename, 200, 140)
       ->set_resize($filename, 640, 480)
       ->save();
+
+    Event::run("gallery.photo_created", $photo);
+
+    return $result;
   }
 }
diff --git a/modules/tag/helpers/tag.php b/modules/tag/helpers/tag.php
index 38595b1c..4b65016d 100644
--- a/modules/tag/helpers/tag.php
+++ b/modules/tag/helpers/tag.php
@@ -88,4 +88,17 @@ class tag_Core {
     $form->add_rules_from(ORM::factory("tag"));
     return $form;
   }
+
+  /**
+   * Handle the creation of a new photo.
+   * @todo Get tags from the XMP and/or IPTC data in the image
+   *
+   * @param Item_Model $photo
+   */
+  public static function on_photo_create() {
+    $photo = Event::$data;
+    Kohana::log("debug", "tag::on_photo_create($photo->name)");
+    return;
+  }
+
 }
diff --git a/modules/tag/hooks/photo_created.php b/modules/tag/hooks/photo_created.php
new file mode 100644
index 00000000..8f6cbab6
--- /dev/null
+++ b/modules/tag/hooks/photo_created.php
@@ -0,0 +1,2 @@
+<?php defined('SYSPATH') or die('No direct script access.');
+Event::add("gallery.photo_created", array('tag', 'on_photo_create'));
-- 
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