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Contents
class Card::Query
class Reference
DEFINITIONS = {
# syntax:
# wql query key => [ direction, {reference_type} ]
# direction = :out | :in
# reference_type = 'L' | 'I' | 'P'
refer_to: [ :out, 'L','I' ], referred_to_by: [ :in, 'L','I' ],
link_to: [ :out, 'L' ], linked_to_by: [ :in, 'L' ],
include: [ :out, 'I' ], included_by: [ :in, 'I' ]
}
FIELDMAP = {
out: [ :referer_id, :referee_id ],
in: [ :referee_id, :referer_id ]
}
attr_accessor :conditions, :cardquery, :infield, :outfield
def table_alias
@table_alias ||= "cr#{@parent.table_id force=true}"
end
def initialize key, val, parent
key, val, @parent = key, val, parent
@conditions = []
direction, *reftype = DEFINITIONS[ key.to_sym ]
@infield, @outfield = FIELDMAP[ direction ]
if reftype.present?
operator = (reftype.size==1 ? '=' : 'IN')
quoted_letters = reftype.map { |letter| "'#{letter}'" } * ', '
@conditions << "ref_type #{operator} (#{quoted_letters})"
end
if val == '_none'
@conditions << "present = 0"
else
@cardquery = val
end
self
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems