はんこbot

hanyu_hanko.rb

# -*- mode:ruby; coding:utf-8 -*-
require 'slack'
require 'httpclient'
require 'gyazo'

channelid = ENV['SLACK_CHANNELID']
Slack.configure {|config| config.token = ENV['SLACK_TOKEN'] }
slack = Slack.realtime

gyazo = Gyazo::Client.new ENV['GYAZO_TOKEN']

slack.on :hello do
	  puts 'Successfully connected.'
end

slack.on :message do |data|
	#if data['subtype'] != 'bot_message'
	if data['channel'] == channelid && data['subtype'] != 'bot_message'
		params = {
			channel: data['channel'],
			username: '羽入',
			icon_url: 'http://url/to/icon/imgage'
		}
		case data['text']
		when '葡萄酒', '唐辛子'
			params[:text]='あうあう'
			Slack.chat_postMessage params
		when /^はんこ[ ]+([\S\s]+)/
			puts $1;
			Dir.chdir('/home/hoge/makehanko/'){
				hikisuu = ['makehanko.rb',$1]
				IO.popen(['ruby', *hikisuu], "r") { |io|
					io.close
				}
			}
			image = File.expand_path('../makehanko/hanko.png',__FILE__)
			if File.exist?(image) then
				res = gyazo.upload image
				params[:text]= res['url']
				Slack.chat_postMessage params
				File.unlink(image)
			else
				params[:text]= '画像の生成に失敗したのです……'
				Slack.chat_postMessage params
			end
		else
		end
	end
end

slack.start

makehanko.rb

# coding: utf-8

require 'rmagick'

#settings
fontpath=File.expand_path("../fonts/ipaexm_tate.ttf", __FILE__)
outputpath=File.expand_path("../hanko.png", __FILE__)
syuiro='#EF4136'
string=ARGV[0]

#making image
baseimg = Magick::ImageList.new
baseimg.new_image(260,260) { self.background_color='white' }
img=baseimg

drawrec = Magick::Draw.new
drawrec.fill='transparent'
drawrec.stroke=syuiro
drawrec.stroke_width=3
drawrec.roundrectangle(5,5,255,255,10,10)
drawrec.draw(img)

drawstr = Magick::Draw.new
strlen=string.size
jigen=Math.sqrt(strlen).ceil
charsize=240.to_f/jigen
for gyou in 0..jigen-1 do
	for retsu in 0..jigen-1 do
		if gyou*jigen+retsu >= string.size then
			break
		end
		drawstr.annotate(img,0,0,10+(gyou*charsize).round,10+(retsu*charsize).round, string[gyou*jigen+retsu].gsub('@', '\@')) {
			self.font=fontpath
			self.fill=syuiro
			self.stroke='transparent'
			self.pointsize=charsize.round
			self.gravity=Magick::NorthEastGravity
			#puts string[gyou*jigen+retsu].gsub("\\", "\\\\").gsub('@', '\@')
		}
	end
end
img.write(outputpath)