added method to read config

src/kotatsu.cr

@@ -9,7 +9,7 @@ module Kotatsu
   CONFIG_DIR = Path.new(Path.home, ".config", "kotatsu")
   CONFIG_FILE = Path.new(CONFIG_DIR, "config.json")
 
-  def self.buildConfig()
+  def self.buildConfigDefault()
     conf = JSON.build do |json|
       json.object do
         json.field "config_version", 1
@@ -34,6 +34,16 @@ module Kotatsu
     return conf
   end
 
+  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
+    services = conf["services"].as_a
+
+    return version, port, title, services
+  end
+
   def self.makeConfig(file, dir)
     puts "Creating new config file in #{file}"
     if Dir.exists?(dir) == false
@@ -43,7 +53,7 @@ module Kotatsu
         exit(1)
       end
     end
-    File.write(file, buildConfig())
+    File.write(file, buildConfigDefault())
     if File.exists?(file) == false
       STDERR.puts "ERROR! Could not create file: #{file}"
       exit(1)
@@ -75,8 +85,7 @@ module Kotatsu
 
     parser.on "list", "Lists all services" do
       if File.exists?(CONFIG_FILE) == true
-        conf = JSON.parse(File.read(CONFIG_FILE))
-        services = conf["services"].as_a
+        _, _, _, services = readConfig()
         i = 0
         while services.size > i
           puts "##{i}: #{services[i][0]} ; #{services[i][1]} ; #{services[i][2]}"