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module ActiveRecordSurvey
# Ensure the a maximum number of answers are made
class NodeValidation::MaximumAnswer < NodeValidation
# Validate the instance_node to ensure a maximum number of answers are made
def validate_instance_node(instance_node, question_node = nil)
# Only makes sense for questions to have maximum answers
if !question_node.class.ancestors.include?(::ActiveRecordSurvey::Node::Question)
return false
end
instance = instance_node.instance
# Go through the node_map of this node
total_answered = question_node.node_maps.collect { |question_node_map|
# Get all children until a childs node isn't an answer
question_node_map.children.collect { |i|
i.children_until_node_not_ancestor_of(::ActiveRecordSurvey::Node::Answer)
}.flatten.collect { |i|
i.node.is_answered_for_instance?(instance)
}
}.flatten.select { |i| i }.count
is_valid = (total_answered <= self.value.to_i)
instance_node.errors[:base] << { :nodes => { question_node.id => ["MAXIMUM_ANSWER"] } } if !is_valid
is_valid
end
end
end
Version data entries
40 entries across 40 versions & 1 rubygems