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# frozen_string_literal: true
require 'uri'
module Aws
module Rest
module Request
class Endpoint
# @param [Seahorse::Model::Shapes::ShapeRef] rules
# @param [String] request_uri_pattern
def initialize(rules, request_uri_pattern)
@rules = rules
request_uri_pattern.split('?').tap do |path_part, query_part|
@path_pattern = path_part
@query_prefix = query_part
end
end
# @param [URI::HTTPS,URI::HTTP] base_uri
# @param [Hash,Struct] params
# @return [URI::HTTPS,URI::HTTP]
def uri(base_uri, params)
uri = URI.parse(base_uri.to_s)
apply_path_params(uri, params)
apply_querystring_params(uri, params)
uri
end
private
def apply_path_params(uri, params)
path = uri.path.sub(/\/$/, '') + @path_pattern.split('?')[0]
uri.path = path.gsub(/{.+?}/) do |placeholder|
param_value_for_placeholder(placeholder, params)
end
end
def param_value_for_placeholder(placeholder, params)
name = param_name(placeholder)
value = params[name].to_s
raise ArgumentError, ":#{name} must not be blank" if value.empty?
if placeholder.include?('+')
value.gsub(/[^\/]+/) { |v| escape(v) }
else
escape(value)
end
end
def param_name(placeholder)
location_name = placeholder.gsub(/[{}+]/,'')
param_name, _ = @rules.shape.member_by_location_name(location_name)
param_name
end
def apply_querystring_params(uri, params)
# collect params that are supposed to be part of the query string
parts = @rules.shape.members.inject([]) do |prts, (member_name, member_ref)|
if member_ref.location == 'querystring' && !params[member_name].nil?
prts << [member_ref, params[member_name]]
end
prts
end
querystring = QuerystringBuilder.new.build(parts)
querystring = [@query_prefix, querystring == '' ? nil : querystring].compact.join('&')
querystring = nil if querystring == ''
uri.query = querystring
end
def escape(string)
Seahorse::Util.uri_escape(string)
end
end
end
end
end
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