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Contents
# frozen_string_literal: true
module Phlexi
module Form
module Options
module Limit
def limit(limit = nil)
if limit.nil?
options.fetch(:limit) { options[:limit] = calculate_limit }
else
options[:limit] = limit
self
end
end
private
def calculate_limit
return unless multiple?
limit_from_validators = [
limit_from_length_validator,
limit_from_inclusion_validator
].compact.min
limit_from_validators || limit_from_db_column
end
def limit_from_length_validator
length_validator = find_validator(:length)
return unless length_validator
length_validator.options[:maximum]
end
def limit_from_inclusion_validator
return unless has_validators?
inclusion_validator = find_validator(:inclusion)
return unless inclusion_validator
in_option = inclusion_validator.options[:in]
in_option.is_a?(Array) ? in_option.size : nil
end
def limit_from_db_column
return unless object.class.respond_to?(:columns_hash)
column = object.class.columns_hash[key.to_s]
return unless column
case object.class.connection.adapter_name.downcase
when "postgresql"
if column.array?
# Check if there's a limit on the array size
column.limit
elsif column.type == :string && column.sql_type.include?("[]")
# For string arrays, extract the limit if specified
column.sql_type.match(/\[(\d+)\]/)&.captures&.first&.to_i
end
end
end
end
end
end
end
Version data entries
31 entries across 31 versions & 1 rubygems