lib/railsthemes/email_installer.rb in railsthemes-2.0.0.pre vs lib/railsthemes/email_installer.rb in railsthemes-2.0.0.pre.2

@@ -1,14 +1,63 @@
 module Railsthemes
   class EmailInstaller
     include Railsthemes::Logging
 
-    def install
-      logger.warn 'Installing email...'
+    def email_stylesheet_filenames theme_name
+      Dir["app/assets/stylesheets/railsthemes_#{theme_name}/*_email.css.*"]
+    end
 
-      install_mail_gems_if_necessary
+    def install_from_file_system source_filepath
+      theme_name = Utils.read_file(File.join(source_filepath, 'theme_name')).chomp
+      if email_stylesheet_filenames(theme_name).count > 0
+        logger.warn 'Installing email...'
+        logger.info "Source filepath: #{source_filepath}"
 
-      logger.warn 'Done installing email.'
+        unless File.directory?(source_filepath)
+          Safe.log_and_abort 'Expected a directory to install email theme from, but found none.'
+        end
+
+        add_to_asset_precompilation_list theme_name
+        install_mail_gems_if_necessary
+
+        logger.warn 'Done installing email.'
+        true
+      else
+        false
+      end
+    end
+
+    def add_to_asset_precompilation_list theme_name
+      filenames = email_stylesheet_filenames(theme_name).map do |filename|
+        "railsthemes_#{theme_name}/#{File.basename(filename.gsub(/\.erb$/, ''))}"
+      end
+      updated_or_new_line = "  config.assets.precompile += %w( #{filenames.join(' ')} )"
+
+      config_lines = Utils.lines('config/environments/production.rb')
+      email_regex = /^\s*config.assets.precompile\s*\+=\s*%w\(\s*railsthemes_#{theme_name}\/\w*email\.css.*\)$/
+      count = config_lines.grep(email_regex).count
+      if count == 0 # precompile line we want not found, add it
+        added = false # only want to add the new line once
+        Utils.safe_write('config/environments/production.rb') do |f|
+          config_lines.each do |line|
+            f.puts line
+            if !added && (line =~ /Precompile additional assets/ || line =~ /config\.assets\.precompile/)
+              f.puts updated_or_new_line
+              added = true
+            end
+          end
+        end
+      else
+        Utils.safe_write('config/environments/production.rb') do |f|
+          config_lines.each do |line|
+            if line =~ email_regex
+              f.puts updated_or_new_line
+            else
+              f.puts line
+            end
+          end
+        end
+      end
     end
 
     def install_mail_gems_if_necessary
       gem_names = Utils.gemspecs.map(&:name)
       logger.debug "gem_names: #{gem_names}"