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# redMine - project management software
# Copyright (C) 2006-2008 Jean-Philippe Lang
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
class ARCondition
attr_reader :conditions
def initialize(condition=nil)
@conditions = ['1=1']
add(condition) if condition
end
def add(condition)
if condition.is_a?(Array)
@conditions.first << " AND (#{condition.first})"
@conditions += condition[1..-1]
elsif condition.is_a?(String)
@conditions.first << " AND (#{condition})"
else
raise "Unsupported #{condition.class} condition: #{condition}"
end
self
end
def <<(condition)
add(condition)
end
end
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