Manually merged a conflict after pulling from upstream.

8 files changed, 97 insertions, 27 deletions

diff --git a/modules/tag/controllers/admin_tags.php b/modules/tag/controllers/admin_tags.php
index 73042a55..77b5f20a 100644
--- a/modules/tag/controllers/admin_tags.php
+++ b/modules/tag/controllers/admin_tags.php
@@ -81,17 +81,25 @@ class Admin_Tags_Controller extends Admin_Controller {
 
     $in_place_edit = InPlaceEdit::factory($tag->name)
       ->action("admin/tags/rename/$tag->id")
-      ->rules(array("required", "length[1,64]"))
-      ->messages(array("in_use" => t("There is already a tag with that name")))
-      ->callback(array($this, "check_for_duplicate"));
+      ->rules(array("required", "length[1,64]"));
 
     if ($in_place_edit->validate()) {
       $old_name = $tag->name;
-      $tag->name = $in_place_edit->value();
+      $new_name_or_list = $in_place_edit->value();
+      $tag_list = explode(",", $new_name_or_list);
+
+      $tag->name = array_shift($tag_list);
       $tag->save();
 
-      $message = t("Renamed tag <b>%old_name</b> to <b>%new_name</b>",
-                   array("old_name" => $old_name, "new_name" => $tag->name));
+      if (!empty($tag_list)) {
+        $this->_copy_items_for_tags($tag, $tag_list);
+        $message = t("Split tag <i>%old_name</i> into <i>%tag_list</i>",
+                     array("old_name" => $old_name, "tag_list" => $new_name_or_list));
+      } else {
+        $message = t("Renamed tag <i>%old_name</i> to <i>%new_name</i>",
+                     array("old_name" => $old_name, "new_name" => $tag->name));
+      }
+
       message::success($message);
       log::success("tags", $message);
 
@@ -101,12 +109,11 @@ class Admin_Tags_Controller extends Admin_Controller {
     }
   }
 
-  public function check_for_duplicate(Validation $post_data, $field) {
-    $tag_exists = ORM::factory("tag")->where("name", "=", $post_data[$field])->count_all();
-    if ($tag_exists) {
-      $post_data->add_error($field, "in_use");
+  private function _copy_items_for_tags($tag, $tag_list) {
+    foreach ($tag->items() as $item) {
+      foreach ($tag_list as $new_tag_name) {
+        tag::add($item, trim($new_tag_name));
+      }
     }
   }
-
 }
-
diff --git a/modules/tag/controllers/tags.php b/modules/tag/controllers/tags.php
index fe6d747b..bf41c4df 100644
--- a/modules/tag/controllers/tags.php
+++ b/modules/tag/controllers/tags.php
@@ -22,7 +22,8 @@ class Tags_Controller extends Controller {
     // Far from perfection, but at least require view permission for the root album
     $album = ORM::factory("item", 1);
     access::required("view", $album);
-    print tag::cloud(30);
+
+    print tag::cloud(module::get_var("tag", "tag_cloud_size", 30));
   }
 
   public function create($item_id) {
diff --git a/modules/tag/helpers/tag.php b/modules/tag/helpers/tag.php
index 733215b3..c21104ee 100644
--- a/modules/tag/helpers/tag.php
+++ b/modules/tag/helpers/tag.php
@@ -48,6 +48,7 @@ class tag_Core {
    * @return ORM_Iterator of Tag_Model in descending tag count order
    */
   static function popular_tags($count) {
+    $count = max($count, 1);
     return ORM::factory("tag")
       ->order_by("count", "DESC")
       ->limit($count)
diff --git a/modules/tag/helpers/tag_block.php b/modules/tag/helpers/tag_block.php
index 0ee0f5f5..74656a0a 100644
--- a/modules/tag/helpers/tag_block.php
+++ b/modules/tag/helpers/tag_block.php
@@ -30,7 +30,7 @@ class tag_block_Core {
       $block->css_id = "g-tag";
       $block->title = t("Tags");
       $block->content = new View("tag_block.html");
-      $block->content->cloud = tag::cloud(250);
+      $block->content->cloud = tag::cloud(module::get_var("tag", "tag_cloud_size", 250));
 
       if ($theme->item() && $theme->page_subtype() != "tag" && access::can("edit", $theme->item())) {
         $controller = new Tags_Controller();
diff --git a/modules/tag/helpers/tag_installer.php b/modules/tag/helpers/tag_installer.php
index 16ad1239..66a78b91 100644
--- a/modules/tag/helpers/tag_installer.php
+++ b/modules/tag/helpers/tag_installer.php
@@ -36,7 +36,8 @@ class tag_installer {
                  KEY(`tag_id`, `id`),
                  KEY(`item_id`, `id`))
                DEFAULT CHARSET=utf8;");
-    module::set_version("tag", 2);
+    module::set_var("tag", "tag_cloud_size", 30);
+    module::set_version("tag", 3);
   }
 
   static function upgrade($version) {
@@ -45,6 +46,10 @@ class tag_installer {
       $db->query("ALTER TABLE {tags} MODIFY COLUMN `name` VARCHAR(128)");
       module::set_version("tag", $version = 2);
     }
+    if ($version == 2) {
+      module::set_var("tag", "tag_cloud_size", 30);
+      module::set_version("tag", $version = 3);
+    }
   }
 
   static function uninstall() {
diff --git a/modules/tag/models/tag.php b/modules/tag/models/tag.php
index 6bc5350a..3dd71d8d 100644
--- a/modules/tag/models/tag.php
+++ b/modules/tag/models/tag.php
@@ -70,13 +70,23 @@ class Tag_Model_Core extends ORM {
    * to this tag.
    */
   public function save() {
-    $related_item_ids = array();
-    foreach (db::build()
-             ->select("item_id")
-             ->from("items_tags")
-             ->where("tag_id", "=", $this->id)
-             ->execute() as $row) {
-      $related_item_ids[$row->item_id] = 1;
+    // Check to see if another tag exists with the same name
+    $duplicate_tag = ORM::factory("tag")
+      ->where("name", "=", $this->name)
+      ->where("id", "!=", $this->id)
+      ->find();
+    if ($duplicate_tag->loaded()) {
+      // If so, tag its items with this tag so as to merge it
+      $duplicate_tag_items = ORM::factory("item")
+        ->join("items_tags", "items.id", "items_tags.item_id")
+        ->where("items_tags.tag_id", "=", $duplicate_tag->id)
+        ->find_all();
+      foreach ($duplicate_tag_items as $item) {
+        $this->add($item);
+      }
+
+      // ... and remove the duplicate tag
+      $duplicate_tag->delete();
     }
 
     if (isset($this->object_relations["items"])) {
diff --git a/modules/tag/module.info b/modules/tag/module.info
index 8851d119..75d16bf0 100644
--- a/modules/tag/module.info
+++ b/modules/tag/module.info
@@ -1,3 +1,7 @@
 name = "Tags"
 description = "Allows users to tag photos and albums"
-version = 2
+version = 3
+author_name = "Gallery Team"
+author_url = "http://codex.gallery2.org/Gallery:Team"
+info_url = "http://codex.gallery2.org/Gallery3:Modules:tag"
+discuss_url = "http://gallery.menalto.com/forum_module_tag"
diff --git a/modules/tag/tests/Tag_Test.php b/modules/tag/tests/Tag_Test.php
index f5ccb3a2..9e10fa4a 100644
--- a/modules/tag/tests/Tag_Test.php
+++ b/modules/tag/tests/Tag_Test.php
@@ -18,18 +18,60 @@
  * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
  */
 class Tag_Test extends Gallery_Unit_Test_Case {
+  public function teardown() {
+    ORM::factory("tag")->delete_all();
+  }
+
   public function create_tag_test() {
     $album = test::random_album();
 
     tag::add($album, "tag1");
     $tag = ORM::factory("tag")->where("name", "=", "tag1")->find();
-    $this->assert_true(1, $tag->count);
+    $this->assert_equal(1, $tag->count);
 
     // Make sure adding the tag again doesn't increase the count
     tag::add($album, "tag1");
-    $this->assert_true(1, $tag->reload()->count);
+    $this->assert_equal(1, $tag->reload()->count);
 
     tag::add(test::random_album(), "tag1");
-    $this->assert_true(2, $tag->reload()->count);
+    $this->assert_equal(2, $tag->reload()->count);
+  }
+
+  public function rename_merge_tag_test() {
+    $album1 = test::random_album();
+    $album2 = test::random_album();
+
+    tag::add($album1, "tag1");
+    tag::add($album2, "tag2");
+
+    $tag1 = ORM::factory("tag")->where("name", "=", "tag1")->find();
+    $tag1->name = "tag2";
+    $tag1->save();
+
+    // Tags should be merged; $tag2 should be deleted
+    $tag1->reload();
+
+    $this->assert_equal(2, $tag1->count);
+    $this->assert_true($tag1->has($album1));
+    $this->assert_true($tag1->has($album2));
+    $this->assert_equal(1, ORM::factory("tag")->count_all());
+  }
+
+  public function rename_merge_tag_with_same_items_test() {
+    $album = test::random_album();
+
+    tag::add($album, "tag1");
+    tag::add($album, "tag2");
+
+    $tag1 = ORM::factory("tag")->where("name", "=", "tag1")->find();
+    $tag1->name = "tag2";
+    $tag1->save();
+
+    // Tags should be merged
+    $tag1->reload();
+
+    $this->assert_equal(1, $tag1->count);
+    $this->assert_true($tag1->has($album));
+    $this->assert_equal(1, ORM::factory("tag")->count_all());
   }
-}
\ No newline at end of file
+}