Initial import

app/models/log_entry/wiki_log_entry.rb

@@ -0,0 +1,43 @@
+# Engenharia de Software 2007.1
+# Copyright (C) 2007, Adriano, Alinson, Andre, Rafael e Bustamante
+# 
+# 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.
+
+class WikiLogEntry < LogEntry
+	def wiki_page
+		w = WikiPage.find_with_deleted(target_id)
+		w.revert_to(version)
+		return w
+	end
+end
+
+class WikiEditLogEntry < WikiLogEntry
+	validates_presence_of :version
+end
+
+class WikiDeleteLogEntry < WikiLogEntry
+	def reversible?()
+		w = WikiPage.find_with_deleted(target_id)
+		w.deleted_at != nil
+	end
+	def undo!(current_user)
+		w = WikiPage.find_with_deleted(target_id)
+		w.update_attribute(:deleted_at, nil)
+        w.position = w.course.wiki_pages.maximum(:position) + 1
+        w.save!
+		WikiRestoreLogEntry.create!(:target_id => w.id, :user_id => current_user.id,
+				:course => w.course)
+	end
+end
+
+class WikiCreateLogEntry < WikiLogEntry; end
+class WikiRestoreLogEntry < WikiLogEntry; end
+