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require 'xml/libxml' | |
# Generates 'QueryXML' for use with AutoTask Web Services API | |
module QueryXML | |
def _if(field_name, op, compare, udf = false) | |
f_xml = (XML::Node.new('field') << field_name) | |
f_xml << (e_xml = XML::Node.new('expression') << compare) | |
e_xml['op'] = op | |
f_xml['udf'] = true.to_s if udf | |
f_xml # return field comparison XML | |
end | |
def _or(*args) | |
o_xml = XML::Node.new('condition') | |
o_xml['operator'] = 'or' | |
args.each { |se| o_xml << se } | |
o_xml | |
end | |
def _and(*args) | |
o_xml = XML::Node.new('condition') | |
args.each { |se| o_xml << se } | |
o_xml | |
end | |
def queryxml(entity) | |
Query.new(entity) | |
end | |
# Storage object for our XML document | |
class Query | |
def initialize(entity) | |
n_entity = XML::Node.new('entity') | |
n_entity << entity | |
n_query = XML::Node.new('query') | |
@doc = XML::Document.new | |
@doc.root = XML::Node.new('queryxml') | |
@doc.root << n_entity | |
@doc.root << n_query | |
@query = n_query | |
end | |
def to_s | |
@doc.root.to_s(indent: true) | |
end | |
def <<(value) | |
@query << value | |
end | |
end | |
end | |
include QueryXML | |
q = queryxml('Ticket') | |
q << _if('id', 'equals', 1) | |
q << _or( | |
_and( | |
_or( | |
_if('id', 'greaterthan', 100), | |
_if('id', 'lessthan', 199) | |
), | |
_or( | |
_if('id', 'greaterthan', 200), | |
_if('id', 'lessthan', 299) | |
) | |
), | |
_and( | |
_if('udfField', 'equals', 200, true) | |
) | |
) | |
puts q.to_s |
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