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require 'transcoding_machine/media_format'
require 'transcoding_machine/server/media_file_attributes'
module TranscodingMachine
class MediaFormatCriterium
TYPE_OPERATORS = {
:boolean => [:equals, :not_equals],
:string => [:equals, :not_equals],
:integer => [:equals, :not_equals, :lt, :lte, :gt, :gte],
:float => [:equals, :not_equals, :lt, :lte, :gt, :gte],
:codec => [:equals, :not_equals]
}
attr_reader :key, :operator, :value
def initialize(args)
@key = args[:key].to_sym
@operator = (args[:operator] || :equals).to_sym
@value = MediaFormat.type_cast_attribute_value(@key, args[:value])
unless MediaFormatCriterium::TYPE_OPERATORS[value_type].include?(@operator)
raise "invalid operator (#{@operator}) for MediaFormatCriterium with key #{@key}"
end
end
def value_type
Server::MediaFileAttributes::FIELD_TYPES[@key]
end
def matches(media_file_attributes)
attr_value = MediaFormat.type_cast_attribute_value(@key, media_file_attributes[@key])
case @operator
when :equals
attr_value == @value
when :lt
attr_value < @value
when :gt
attr_value > @value
when :lte
attr_value <= @value
when :gte
attr_value >= @value
when :not_equals
attr_value != @value
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems