app/models/translation.rb in trendi18n-0.9.2 vs app/models/translation.rb in trendi18n-0.9.3

@@ -10,18 +10,23 @@
   validates_length_of :locale, :within => 2..6
   validates_uniqueness_of :key, :scope => %w(locale scope)
 
   @@locales = []
 
+  # return true if there is no translation with key == name, and there is some translations with scope == name
+  def self.scope?(name, locale = I18n.locale.to_s)
+    !self.exists?(:key => name, :locale => locale, :scope => nil) && self.exists?(:scope => name, :locale => locale)
+  end
+
    # return locales which translations are stored in db
   def self.get_locales
     @@locales
   end
 
   # read locales which translation are stored in db
   def self.set_locales
-    @@locales = self.all(:select => "DISTINCT(locale)", :order => "locale ASC").map { |obj| obj.locale  }
+    @@locales = self.all(:select => "DISTINCT(locale)", :order => "locale ASC").map { |obj| obj.locale.to_sym  }
   end
 
   # Set @read_time, date and time of first database read on current update.
   # @read_time is used to get translations cache up-to-date status
   def self.set_read_time
@@ -124,11 +129,23 @@
     end
     translation
   end
 
   # return hash ready to by stored as translation
-  def to_translation_hash
-   path = self.scope.nil? ? [self.key] : self.scope.split(".") << self.key
+  def to_translation_hash()
+   path = []
+   path += self.scope.split(".") unless self.scope.nil?
+   path << self.key
    return path.reverse.inject(self) {|before, step| { step => before}}
+  end
+
+  # return ready to by stored as translations hash of translations in scope
+  def self.scope_to_translation_hash(scope, locale = I18n.locale.to_s)
+    children = self.find_by_sql ["SELECT * FROM translations WHERE scope LIKE ? and locale=? ORDER BY id", scope + "%", locale]
+    hash = {}
+    for child in children
+      hash.deep_merge!  child.to_translation_hash()
+    end
+    Trendi18n::ScopeTranslations.new(locale, hash)
   end
 
 end