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module Scimitar
module Lists
class Count
include ActiveModel::Model
attr_accessor :limit, :start_index, :total
attr_reader :offset
def initialize(*args)
@limit = 100
@start_index = 1
super(*args)
end
# Set a limit (page size) value.
#
# +value+:: Integer value held in a String. Must be >= 1.
#
# Raises exceptions if given non-numeric, zero or negative input.
#
def limit=(value)
value = value&.to_s
return if value.blank? # NOTE EARLY EXIT
validate_numericality(value)
input = value.to_i
raise if input < 1
@limit = input
end
# Set a start index (offset) value. Values start at 1. See also #offset.
#
# +value+:: Integer value held in a String. Must be >= 1.
#
# Raises exceptions if given non-numeric or negative input. Corrects an
# input value of zero to 1.
#
def start_index=(value)
value = value&.to_s
return if value.blank? # NOTE EARLY EXIT
validate_numericality(value)
input = value.to_i
input = 1 if input < 1
@start_index = input
end
# Read-only accessor that represents #start_index as a zero-based offset,
# rather than 1-based. This is useful for most storage engines.
#
def offset
start_index - 1
end
private
def validate_numericality(input)
raise unless input.match?(/\A\d+\z/)
end
end
end
end
Version data entries
46 entries across 46 versions & 2 rubygems