Initial commit

.gitignore

@@ -0,0 +1,2 @@
+bin/
+.bundle/

Gemfile

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+ruby '2.4.1'
+
+source "https://rubygems.org"
+
+gem "figlet"
+gem "sinatra"
+gem "dotenv"

Gemfile.lock

@@ -0,0 +1,26 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    dotenv (2.5.0)
+    figlet (1.1.0)
+    mustermann (1.0.3)
+    rack (2.0.5)
+    rack-protection (2.0.3)
+      rack
+    sinatra (2.0.3)
+      mustermann (~> 1.0)
+      rack (~> 2.0)
+      rack-protection (= 2.0.3)
+      tilt (~> 2.0)
+    tilt (2.0.8)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  dotenv
+  figlet
+  sinatra
+
+BUNDLED WITH
+   1.16.1

config.ru

@@ -0,0 +1,2 @@
+require './figbot'
+run Sinatra::Application

figbot.rb

@@ -0,0 +1,76 @@
+require 'figlet'
+require 'sinatra'
+require 'dotenv/load'
+
+def fig(input)
+  opts = parse(input)
+
+  banners = []
+
+  font = Figlet::Font.new(File.expand_path('./lib/banner.flf'))
+  figlet = Figlet::Typesetter.new(font)
+
+  chunks = opts[:message].chars.to_a.each_slice(5).to_a.map{|chunk| chunk.join}
+
+  chunks.each do |chunk|
+    banner = figlet[chunk.strip].gsub(/#/, opts[:ink]).gsub(/ /, opts[:space])
+
+    unless uses_emoji(opts)
+      banner = "```#{banner}```"
+    end
+
+    banners << banner
+  end
+
+  banners.join("\n")
+end
+
+def parse(input)
+  opts = {
+    :message => String.new,
+    :space => " ",
+    :ink => "#",
+  }
+
+  position = 0
+
+  encountered_options = false
+
+  while position < input.length
+    if m = input.slice(position..-1).match(/^space=(\S+)/)
+      encountered_options = true
+      opts[:space] = m[1].strip
+      position += m[0].length
+    elsif m = input.slice(position..-1).match(/^ink=(\S+)/)
+      encountered_options = true
+      opts[:ink] = m[1].strip
+      position += m[0].length
+    elsif m = input.slice(position..-1).match(/^font=(\S+)/)
+      encountered_options = true
+      opts[:font] = m[1].strip
+      position += m[0].length
+    else
+      if not encountered_options
+        opts[:message] << input[position]
+      end
+      position += 1
+    end
+
+  end
+
+  opts[:message] = opts[:message].strip
+
+  opts
+end
+
+def uses_emoji(opts)
+  (opts[:space][0] == ':' and opts[:space][-1] == ':') or (opts[:ink][0] == ':' and opts[:ink][-1] == ':')
+end
+
+post '/' do
+    content_type :json
+    {
+      response_type: 'in_channel',
+      text: fig(params[:text])
+    }.to_json
+end