lib/slack-notifier/util/http_client.rb
# frozen_string_literal: true
require "net/http"
module Slack
class Notifier
class APIError < StandardError
attr_reader :response
def initialize(response)
@response = response
end
def message
<<-MSG
The slack API returned an error: #{@response.body} (HTTP Code #{@response.code})
Check the "Handling Errors" section on https://api.slack.com/incoming-webhooks for more information
MSG
end
end
module Util
class HTTPClient
class << self
def post uri, params
HTTPClient.new(uri, params).call
end
end
attr_reader :uri, :params, :http_options
def initialize uri, params
@uri = uri
@http_options = params.delete(:http_options) || {}
@params = params
end
# rubocop:disable Layout/IndentHeredoc
def call
http_obj.request(request_obj).tap do |response|
unless response.is_a?(Net::HTTPSuccess)
raise Slack::Notifier::APIError.new(response)
end
end
end
# rubocop:enable Layout/IndentHeredoc
private
def request_obj
req = Net::HTTP::Post.new uri.request_uri
req.set_form_data params
req
end
def http_obj
http = Net::HTTP.new uri.host, uri.port
http.use_ssl = (uri.scheme == "https")
http_options.each do |opt, val|
if http.respond_to? "#{opt}="
http.send "#{opt}=", val
else
warn "Net::HTTP doesn't respond to `#{opt}=`, ignoring that option"
end
end
http
end
end
end
end
end