Add CLI command for creating a new kata

Author: Bodacious

lib/cleo_katas/cli.rb

@@ -11,6 +11,32 @@ class CLI < Thor
     attr_accessor :kata
 
     source_root File.expand_path('templates', __dir__)
+
+    desc 'create', 'Create a new kata'
+    def create(kata_name)
+      self.kata = kata_name
+
+      kata_number = CleoKatas::KataFile.max_number.to_i + 1
+      kata_name = kata_name.gsub(/[^a-z0-9]/i, '_').downcase
+      kata_number_name = "#{kata_number}-#{kata_name}"
+
+      say "Creating kata #{kata_number_name}"
+
+      empty_directory(File.join(Dir.pwd, 'katas', "#{kata_number_name}"))
+      empty_directory(File.join(Dir.pwd, 'katas', "#{kata_number_name}", 'source'))
+      template('README.md.erb',
+               File.join(Dir.pwd, 'katas', "#{kata_number_name}", 'README.md')
+      )
+      template(
+        'main.rb.erb',
+                File.join(Dir.pwd, 'katas', "#{kata_number_name}", 'source', 'main.rb')
+      )
+      template(
+        'test.rb.erb',
+               File.join(Dir.pwd, 'katas', "#{kata_number_name}", 'source', 'test.rb')
+      )
+    end
+
     desc 'list', 'List all available katas'
     def list
       say 'Listing katas...'
@@ -21,19 +47,20 @@ def list
 
     # rubocop:disable Metrics/MethodLength
     desc 'attempt DIRECTORY', 'Create a new kata attempt in your own directory'
-    def attempt(kata)
-      self.kata = kata
+    def attempt(kata_name)
+      self.kata = kata_name
 
+      begin
+        kata_file.numbered_name
+      rescue
+        say "Kata #{kata_name} not found"
+        return
+      end
 
       source_directory = File.join(Dir.pwd, 'katas', kata_file.numbered_name, 'source')
       target_directory = File.join(Dir.pwd, 'katas', kata_file.numbered_name, username)
       readme_target_file = File.join(target_directory, 'README.md')
 
-      puts <<~STRING
-source_directory: #{source_directory}
-target_directory: #{target_directory}
-readme_target_file: #{readme_target_file}
-      STRING
       directory(source_directory,target_directory)
       copy_file(kata_file.path, readme_target_file)
       append_file(readme_target_file, <<~MARKDOWN)
@@ -52,6 +79,13 @@ def attempt(kata)
     end
     # rubocop:enable Metrics/MethodLength
 
+    protected
+
+
+    def kata_class_name
+      kata.to_s.split(/[^a-z0-9]+/i).map(&:capitalize).join
+    end
+
     private
 
     def username

lib/cleo_katas/kata_file.rb

@@ -11,13 +11,16 @@ class KataFile
 
     def self.all
       Dir.glob(File.join(Dir.pwd, KATA_FILE_NAME_GLOB)).map do |kata_file|
-        puts kata_file
         match_data = kata_file.match(KATA_FILE_NAME_REGEX)
         new(number: match_data[:kata_number],
             name: match_data[:kata_name])
       end
     end
 
+    def self.max_number
+      all.map(&:number).max
+    end
+
     def self.find(kata_name)
       all.find { |kata_file| kata_file.name == kata_name }
     end

lib/cleo_katas/templates/README.md.erb

@@ -0,0 +1,11 @@
+# <%= kata.gsub(/\_\-/, ' ') %>
+
+## Problem Description
+
+## Requirements and Constraints
+
+### Input Specifications
+
+### Output Specifications
+
+## Examples and Test Cases

lib/cleo_katas/templates/main.rb.erb

@@ -0,0 +1,9 @@
+require 'bundler/inline'
+
+gemfile do
+  source 'https://rubygems.org'
+  gem 'minitest'
+end
+
+class <%= kata_class_name %>
+end

lib/cleo_katas/templates/test.rb.erb

@@ -0,0 +1,8 @@
+require_relative '../main'
+require 'minitest/autorun'
+
+class <%= kata_class_name %>Test < Minitest::Test
+  def test_something
+    skip 'Not implemented'
+  end
+end