From 03fcdf067b48e25821c0e3bf8f09f30f6ddcf686 Mon Sep 17 00:00:00 2001
From: davidtsadler <davidtsadler@googlemail.com>
Date: Sat, 18 Feb 2012 16:14:06 +0000
Subject: Rake task to create a new post.

---
 Rakefile | 95 +++++++++++++++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 73 insertions(+), 22 deletions(-)

(limited to 'Rakefile')

diff --git a/Rakefile b/Rakefile
index 912927e..afe81da 100644
--- a/Rakefile
+++ b/Rakefile
@@ -45,40 +45,48 @@ end
 
 namespace :test_posts do
   desc 'Creates several test posts.'
-  task :create => [:clean, :create_directory] do
+  task :create => [:load_config, :clean, :create_directory] do
     (1..@config['num_test_posts']).each do |day|
-      date, title, category = TestPosts::Random.generate
-      save_post(date, title, "Testing", "A test post", "[\"#{category}\"]", true)
+      date, title, categories = TestPosts::Random.generate
+      save_post(date, title, @config['author'], title, categories, @config['test_posts'])
     end
   end
 
   desc 'Deletes any test posts.'
   task :clean  => [:load_config] do
-    FileUtils.rm_rf(@config['posts'] + '/test')
+    FileUtils.rm_rf(@config['test_posts'])
   end
 
-  desc 'Creates the required posts directory if one does not exist.'
+  desc 'Creates the required test posts directory if one does not exist.'
   task :create_directory => [:load_config] do
-    dir = @config['posts'] + '/test'
-    FileUtils.mkdir_p(dir) unless File.directory?(dir)
+    create_directory(@config['test_posts'])
   end
+end
+
+namespace :post do
+  desc 'Creates a new post based on user input'
+  task :create => [:load_config, :create_directory] do
+    date = Date.today.to_s
+    title = nil
+    author = @config['author']
+    description = nil
+    categories = nil
+
+    loop do
+      date = ask('Date?', date, lambda { |answer| !answer.empty? && answer =~ /^\d{4}-\d{2}-\d{2}$/ }, 'Date must be entered as YYYY-MM-DD')
+      title = ask('Title?', title, lambda { |answer| !answer.empty? }, 'You must enter a title')
+      author = ask('Author?', author)
+      description = ask('Description?', description)
+      categories = ask('Categories?', categories)
+      break if agree('Ok to create this post?')
+    end
 
-private
-  def save_post(date, title, author, description, categories, test = false)
-    template = File.read("lib/templates/post.markdown")
-    template.gsub!(/:title/, title)
-    template.gsub!(/:author/, author)
-    template.gsub!(/:description/, description)
-    template.gsub!(/:categories/, categories)
-
-    filename = "#{@config['source']}/_posts"
-    filename << '/test' if test
-    filename << "/#{date.strftime('%Y-%m-%d')}-#{parameterize(title)}.markdown"
-    File.open(filename, 'w') { |f| f.write(template) }
+    save_post(date, title, author, description, categories, @config['posts'])
   end
-    
-  def parameterize(string, sep = '-')
-    string.downcase.gsub(/[^a-z0-9\-_]+/, sep)
+
+  desc 'Creates the required posts directory if one does not exist.'
+  task :create_directory => [:load_config] do
+    create_directory(@config['posts'])
   end
 end
 
@@ -86,6 +94,7 @@ desc 'Loads the configuration file into an instance variable to be used by other
 task :load_config do
   @config = YAML::load_file('_config.yml')
   @config['posts'] = "#{@config['source']}/_posts"
+  @config['test_posts'] = @config['posts'] + '/test'
 end
 
 def edit_config(name, value)
@@ -94,3 +103,45 @@ def edit_config(name, value)
   config.sub!(regexp,'\1'+value+'\3')
   File.open('_config.yml', 'w') {|f| f.write(config)}
 end
+
+def create_directory(dir)
+  FileUtils.mkdir_p(dir) unless File.directory?(dir)
+end
+
+def save_post(date, title, author, description, categories, directory)
+  # Ensure string is in the form of ["category one", "category two"]
+  categories = "[#{categories.split(',').map { |c| '"' + c.strip + '"' }.join(',')}]"
+
+  template = File.read("lib/templates/post.markdown")
+  template.gsub!(/:title/, title)
+  template.gsub!(/:author/, author)
+  template.gsub!(/:description/, description)
+  template.gsub!(/:categories/, categories)
+
+  filename = "#{directory}/#{date}-#{parameterize(title)}.markdown"
+  File.open(filename, 'w') { |f| f.write(template) }
+end
+  
+def parameterize(string, sep = '-')
+  string.downcase.gsub(/[^a-z0-9\-_]+/, sep)
+end
+
+def ask(prompt, default, validator = nil, message = nil)
+  prompt << " |#{default}|" if default
+  prompt << ' '
+  answer = ''
+  loop do
+    print prompt
+    answer = $stdin.gets.chomp
+    answer = default if answer.empty? && default
+    valid = validator ? validator.call(answer) : true
+    puts(message) if message && !valid
+    break if valid
+  end
+  answer
+end
+
+def agree(prompt)
+  yn = ask(prompt, 'y', lambda { |yn| yn.downcase[0] == 'y' || yn.downcase[0] == 'n' }, "Enter y, n or yes, no")
+  yn.downcase[0] == 'y'
+end
-- 
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