config & constants: Use constants for default locations.

qasim/config.rb

@@ -20,27 +20,10 @@ module Qasim
 
 		def initialize
 
-			user = if ENV['USER'] then
-					   ENV['USER']
-				   else
-					   raise "Environment variable 'USER' is missing!"
-				   end
 
-			home_dir = if ENV['HOME'] then 
-						   ENV['HOME']
-					   else
-						   "/home/" + user
-					   end
+			@mnt_dir = File.join ENV['HOME'], "mnt"
 
-			xdg_dir = if ENV['XDG_CONFIG_HOME'] then
-						  ENV['XDG_CONFIG_HOME']
-					  else
-						  home_dir + '/.config'
-					  end
-
-			@mnt_dir = File.join home_dir, "mnt"
-
-			@config_dir = xdg_dir + '/sshfs-mapper'
+			@config_dir = APP_CONFIG_DIR
 			@config_file = nil
 			@maps = []
 			@initialize_enable = false

qasim/constants.rb

@@ -1,6 +1,13 @@
 module Qasim
 	APP_ICON_PATH = File.join QASIM_INCLUDE_DIR, "icons"
-	APP_SYSCONFIG_DIR = "/etc/qasim/maps.d"
 	APP_NAME = "Qasim"
 	APP_VERSION = "0.1"
+
+	APP_SYSCONFIG_DIR = "/etc/qasim/maps.d"
+
+	APP_CONFIG_DIR = if ENV['XDG_CONFIG_HOME'] then
+						 File.join ENV['XDG_CONFIG_HOME'], 'qasim'
+					 else
+						 File.join ENV['HOME'], '.config', 'qasim'
+					 end
 end