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module ActiveRecordSurvey
# Can hold a value on a scale (e.g. from 0-10)
class Node::Answer::Scale < Node::Answer
# Accept integer, float, or empty values
def validate_instance_node(instance_node)
# super - all validations on this node pass
super &&
(instance_node.value.to_s.empty? || !instance_node.value.to_s.match(/^(\d+(\.\d+)?)$/).nil?)
end
# Scale answers are considered answered if they have a value of greater than "0"
def is_answered_for_instance?(instance)
if instance_node = self.instance_node_for_instance(instance)
# Answered if not empty and > 0
!instance_node.value.to_s.empty? && instance_node.value.to_i >= 0
else
false
end
end
# Scale nodes are different - they must find the final scale node added and add to it
def build_answer(question_node, survey)
# No node_maps exist yet from this question
if question_node.node_maps.length === 0
# Build our first node-map
question_node.node_maps.build(:node => question_node, :survey => survey)
end
last_in_chain = question_node.answers.last || question_node
# Each instance of this question needs the answer hung from it
last_in_chain.node_maps.each { |node_map|
answer_node_map = self.node_maps.build(:node => self, :survey => survey)
node_map.children << answer_node_map
}
true
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems