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Contents
module Katello
module Util
class PackageFilter
LESS_THAN = "<"
GREATER_THAN = ">"
EQUAL = "="
OPERATORS = [LESS_THAN, GREATER_THAN, EQUAL]
attr_accessor :operator, :version, :epoch, :release, :relation
def initialize(relation, evr, operator = nil)
extract_epoch_version_release(evr)
self.operator = operator
self.relation = relation
end
def extract_epoch_version_release(evr)
match = case evr
when /\A(\d+):(.*)-(.*)\z/
evr.match(/\A(?<epoch>\d+):(?<version>.*)-(?<release>.*)\z/)
when /\A(\d+):(.*)\z/
evr.match(/\A(?<epoch>\d+):(?<version>.*)\z/)
when /\A(.*)-(.*)\z/
evr.match(/\A(?<version>.*)-(?<release>.*)\z/)
else
evr.match(/\A(?<version>.*)\z/)
end
self.version = Package.sortable_version(match[:version])
self.epoch = match[:epoch] rescue nil
self.release = (match[:release] rescue nil) ? Package.sortable_version(match[:release]) : nil
end
def results
epoch_clause = "epoch #{operator} :epoch OR (epoch = :epoch AND (%s))"
version_clause = "#{convert(:version_sortable)} #{operator} #{convert(':version')}"
release_clause = "(#{convert(:version_sortable)} = #{convert(':version')} AND " \
"#{convert(:release_sortable)} #{operator} #{convert(':release')})"
version_clause = "#{version_clause} OR #{release_clause}" unless release.blank?
version_clause = epoch_clause % version_clause unless epoch.blank?
self.relation.where(version_clause, :version => version, :release => release, :epoch => epoch)
end
def convert(name = '?')
"convert_to(#{name}, 'SQL_ASCII')"
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems