code cleanup

src/kotatsu.cr

@@ -9,7 +9,11 @@ module Kotatsu
   CONFIG_DIR = Path.new(Path.home, ".config", "kotatsu")
   CONFIG_FILE = Path.new(CONFIG_DIR, "config.json")
 
-  def self.buildConfig() #to be deprecated
+  # -- METHODS --
+
+  #Creates the initial config from hardcoded data
+  #TO BE DEPRECATED
+  def self.buildConfig()
     conf = JSON.build do |json|
       json.object do
         json.field "config_version", 1
@@ -34,6 +38,7 @@ module Kotatsu
     return conf
   end
 
+  #Writes the config file in JSON format
   def self.writeConfig(version, port, title, services)
     i = 0
     conf = JSON.build do |json|
@@ -58,12 +63,12 @@ module Kotatsu
     File.write(CONFIG_FILE, conf)
   end
 
+  #Reads the JSON config and returns it as various variables
   def self.readConfig()
     conf = JSON.parse(File.read(CONFIG_FILE))
     version = conf["config_version"].as_i
     port = conf["port"].as_i
     title = conf["title"].as_s
-
     t_services = conf["services"].as_a
     services = [] of Array(String)
     i = 0
@@ -71,10 +76,10 @@ module Kotatsu
       services << [conf["services"][i][0].as_s, conf["services"][i][1].as_s, conf["services"][i][2].as_s]
       i+=1
     end
-
     return version, port, title, services
   end
 
+  #Checks if config dir exists and then creates a config file
   def self.makeConfig(file, dir)
     puts "Creating new config file in #{file}"
     if Dir.exists?(dir) == false
@@ -91,6 +96,8 @@ module Kotatsu
     end
   end
 
+  # -- PARSER --
+
   OptionParser.parse do |parser|
     parser.banner = "Kotatsu - Easy to configure server start page"
 
@@ -163,18 +170,23 @@ module Kotatsu
     end
   end
 
+  # -- MAIN --
+
+  #Checks if a config exists, if not runs makeConfig
   if File.exists?(CONFIG_FILE) == false
     puts "Could not find config file"
     makeConfig(CONFIG_FILE, CONFIG_DIR)
   end
 
+  #Reads config file
+  c_version, c_port, c_title, c_services = readConfig()
+
+  #Run http server
   webserv = HTTP::Server.new do |context|
     context.response.content_type = "text/plain"
     context.response.print "Running kotatsu #{VERSION}"
   end
-
-  webaddr = webserv.bind_tcp 8080
+  webaddr = webserv.bind_tcp c_port
   puts "Started kotatsu webserver on #{webaddr}"
   webserv.listen
-
 end