Added a "Member of Group" to the issues filter. #5869

This filter will check an issue's assigned to field for users in (or not in)
specific groups.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4077 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/query.rb

@@ -195,6 +195,9 @@ class Query < ActiveRecord::Base
     end
     @available_filters["assigned_to_id"] = { :type => :list_optional, :order => 4, :values => user_values } unless user_values.empty?
     @available_filters["author_id"] = { :type => :list, :order => 5, :values => user_values } unless user_values.empty?
+
+    group_values = Group.all.collect {|g| [g.name, g.id] }
+    @available_filters["member_of_group"] = { :type => :list_optional, :order => 6, :values => group_values } unless group_values.empty?
     
     if User.current.logged?
       @available_filters["watcher_id"] = { :type => :list, :order => 15, :values => [["<< #{l(:label_me)} >>", "me"]] }
@@ -432,6 +435,22 @@ class Query < ActiveRecord::Base
         db_field = 'user_id'
         sql << "#{Issue.table_name}.id #{ operator == '=' ? 'IN' : 'NOT IN' } (SELECT #{db_table}.watchable_id FROM #{db_table} WHERE #{db_table}.watchable_type='Issue' AND "
         sql << sql_for_field(field, '=', v, db_table, db_field) + ')'
+      elsif field == "member_of_group" # named field
+        if operator == '*' # Any group
+          groups = Group.all
+          members_of_groups = groups.collect(&:user_ids).flatten.compact.collect(&:to_s)
+          operator = '=' # Override the operator since we want to find by assigned_to
+        elsif operator == "!*"
+          groups = Group.all
+          members_of_groups = groups.collect(&:user_ids).flatten.compact.collect(&:to_s)
+          operator = '!' # Override the operator since we want to find by assigned_to
+        else
+          groups = Group.find_all_by_id(v)
+          members_of_groups = groups.collect(&:user_ids).flatten.compact.collect(&:to_s)
+        end
+        
+        sql << '(' + sql_for_field("assigned_to_id", operator, members_of_groups, Issue.table_name, "assigned_to_id", false) + ')'
+
       else
         # regular field
         db_table = Issue.table_name