core.rb in dupler-0.2.0

- old
+ new

@@ -1,30 +1,31 @@
-require 'tilt'
-require 'yaml'
-require 'hashie'
-require 'fileutils'
-require 'active_support/all'
+# frozen_string_literal: true
 
+require "tilt"
+require "yaml"
+require "hashie"
+require "fileutils"
+require "active_support/all"
+
 module Dupler
+  # Dupler core functions
   class Core
     def new_project(project_name)
       FileUtils.mkdir_p project_name
-      project_template_dir = Dir.glob File.join(Dupler::home, "project_template/*")
+      project_template_dir = Dir.glob File.join(Dupler.home, "project_template/*")
       FileUtils.cp_r(project_template_dir, project_name)
     end
 
     def setup(config)
       formats = config.dig("Dupler", "time", "format")
-      if formats
-        formats.each do |key, value|
-            Time::DATE_FORMATS[key.to_sym] = value
-        end
+      formats&.each do |key, value|
+        Time::DATE_FORMATS[key.to_sym] = value
       end
     end
 
     def build(values_file_path, output_dir, template_files)
-      yaml = YAML.load File.read(values_file_path)
+      yaml = YAML.safe_load File.read(values_file_path)
 
       setup(yaml)
       yaml.delete("Dupler")
       config = Hashie::Mash.new yaml
       FileUtils.mkdir_p output_dir
@@ -41,11 +42,15 @@
       output_file(output_filepath, content)
       puts "render: #{output_filepath}"
     end
 
     def apply_template(template_path, config)
-      template = Tilt.new(template_path)
-      output = template.render(self, config)
+      begin
+        template = Tilt.new(template_path)
+        template.render(self, config)
+      rescue Exception => e
+        raise DuplerException.new("Template rendering error: [#{template_path}] #{e.message}")
+      end
     end
 
     def output_file(filepath, content)
       File.open(filepath, "w") do |file|
         file.write content