Class: Foresite::Cli

Inherits:
Thor
  • Object
show all
Defined in:
lib/foresite/cli.rb

Overview

Cli class.

For CLI functionality to generate static content.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.exit_on_failure? ⇒ Boolean

Ensure that failures exit with a status of zero.

Returns:

  • (Boolean) 


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# File 'lib/foresite/cli.rb', line 13

def self.exit_on_failure?
  true
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/foresite/cli.rb', line 84

def build
  unless Foresite.subdirectories_exist?
    warn("Missing subdirectories, try running `foresite init`")
    exit(1)
  end

  # Wipe all output files.
  Dir.glob(File.join(Foresite.get_path_to_out, "*.html")).each { File.delete(_1) }
  File.delete(Foresite.get_path_to_index_file) if File.exist?(Foresite.get_path_to_index_file)
  File.delete(Foresite.get_path_to_feed_file) if File.exist?(Foresite.get_path_to_feed_file)

  markdown_paths = Dir.glob(File.join(Foresite.get_path_to_md, "*.md"))

  if markdown_paths.count == 0
    warn("No markdown files, try running `foresite touch`")
    exit(1)
  end

  links = markdown_paths.map do |markdown_path|
    markdown_content = File.read(markdown_path)
    title = markdown_content.split("\n").first { |line| /^# [a-z]/i =~ line }.gsub(/^#/, "").strip

    filename_markdown = File.basename(markdown_path)
    html_path = Foresite.get_path_to_out_file(filename_markdown.gsub(/\.md$/, ".html"))

    File.write(html_path, Foresite.render_wrapped(title, markdown_content))
    $stdout.puts("Created #{Foresite.relative_path(html_path)}")

    # Extract date.
    match_data = /\d{4}-\d{2}-\d{2}/.match(filename_markdown)
    date_ymd = match_data[0]
    date_822 = DateTime.strptime(date_ymd, "%F").strftime("%a, %d %b %Y %H:%M:%S %z")

    {
      date_ymd: date_ymd,
      date_822: date_822,
      href: Foresite.relative_path(html_path),
      title: title
    }
  end

  # Generate index file.
  index_html_path = Foresite.get_path_to_index_file
  File.write(index_html_path, Foresite.render_wrapped_index(links))
  $stdout.puts("Created #{Foresite.relative_path(index_html_path)}")

  feed_xml_path = Foresite.get_path_to_feed_file
  File.write(feed_xml_path, Foresite.render_feed(links, links.last[:date_822]))
  $stdout.puts("Created #{Foresite.relative_path(feed_xml_path)}")
end

#init ⇒ Object 



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# File 'lib/foresite/cli.rb', line 31

def init
  unless Foresite.root_exists?
    warn("Nonexistent directory #{Foresite.get_path_to_root}")
    exit(1)
  end

  unless Foresite.root_writable?
    warn("Cannot write to directory #{Foresite.get_path_to_root}")
    exit(1)
  end

  Foresite.touch_directories.map { $stdout.puts(_1) }
  Foresite.copy_templates.map { $stdout.puts(_1) }
end

#touch(title) ⇒ Object 



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# File 'lib/foresite/cli.rb', line 58

def touch(title)
  unless Foresite.subdirectories_exist?
    warn("Missing subdirectories, try running `foresite init`")
    exit(1)
  end

  date_ymd = Time.now.strftime("%F")
  slug = title.downcase.gsub(/[^a-z]/i, " ").strip.gsub(/ +/, "-")

  path = Foresite.get_path_to_md_file("#{date_ymd}-#{slug}.md")

  if File.exist?(path)
    $stdout.puts("File #{Foresite.relative_path(path)} already exists")
  else
    File.write(path, Foresite.render_post(title, date_ymd))
    $stdout.puts("Created #{Foresite.relative_path(path)}")
  end
end

#version ⇒ Object 



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# File 'lib/foresite/cli.rb', line 18

def version
  $stdout.puts(Foresite::VERSION)
end

#watch ⇒ Object 



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# File 'lib/foresite/cli.rb', line 141

def watch
  dirs_to_watch = [
    Foresite::DIRNAME_MARKDOWN,
    Foresite::DIRNAME_ERB
  ]

  $stdout.puts("Watching #{dirs_to_watch.map { "./#{_1}" }.join(", ")} for changes... (Ctrl+C to exit)")

  Filewatcher.new(dirs_to_watch).watch do |changes|
    changes.each do |filename, event|
      $stdout.puts("#{File.basename(filename)} #{event}")
    end

    build
  end
end