Module: RuneBlog::REPL

Defined in:
lib/helpers-repl.rb,
lib/repl.rb

Constant Summary collapse

Patterns = 
{"help"              => :cmd_help, 
  "h"                 => :cmd_help,
  "version"           => :cmd_version,
  "v"                 => :cmd_version,
  "list views"        => :cmd_list_views, 
  "lsv"               => :cmd_list_views, 
  "clear"             => :cmd_clear,

  "new view $name"    => :cmd_new_view,

  "tags"              => :cmd_tags,
  "import"            => :cmd_import,

  "new post"          => :cmd_new_post,
  "p"                 => :cmd_new_post,
  "post"              => :cmd_new_post,

  "change view $name" => :cmd_change_view,
  "cv $name"          => :cmd_change_view,
  "cv"                => :cmd_change_view,  # 0-arity must come second

  "config"            => :cmd_config,
  "manage $widget"    => :cmd_manage,

  "legacy"            => :cmd_legacy,

  "list posts"        => :cmd_list_posts,
  "lsp"               => :cmd_list_posts,

  "list drafts"       => :cmd_list_drafts,
  "lsd"               => :cmd_list_drafts,

  "list assets"       => :cmd_list_assets,
  "lsa"               => :cmd_list_assets,

  "pages"             => :cmd_pages,

  "delete >postid"    => :cmd_remove_post,
  "undel $postid"     => :cmd_undelete_post,

  "edit $postid"      => :cmd_edit_post,
  "ed $postid"        => :cmd_edit_post,
  "e $postid"         => :cmd_edit_post,

  "preview"           => :cmd_preview,

  "browse"            => :cmd_browse,

  "rebuild"           => :cmd_rebuild,

  "publish"           => :cmd_publish,

  "ssh"               => :cmd_ssh,

  "q"                 => :cmd_quit,
  "quit"              => :cmd_quit
}
Abbr = 
{
"h"                 => :cmd_help,
"v"                 => :cmd_version,
"lsv"               => :cmd_list_views, 
"p"                 => :cmd_new_post,
"cv $name"          => :cmd_change_view,
"cv"                => :cmd_change_view,  # 0-arity must come second
"lsp"               => :cmd_list_posts,
"lsd"               => :cmd_list_drafts,
"list assets"       => :cmd_list_assets,
"lsa"               => :cmd_list_assets,
"rm $postid"        => :cmd_remove_post,
"ed $postid"        => :cmd_edit_post,
"e $postid"         => :cmd_edit_post,
"q"                 => :cmd_quit
}
Regexes = 
{}
Help = 
<<-EOS

{Basics:}                                         {Views:}
-------------------------------------------       -------------------------------------------
{h, help}           This message                  {change view VIEW}  Change current view
{q, quit}           Exit the program              {cv VIEW}           Change current view
{v, version}        Print version information     {new view}          Create a new view
{clear}             Clear screen                  {list views}        List all views available
                                                  {lsv}               Same as: list views
                 

{Posts:}                                          {Advanced:}
-------------------------------------------       -------------------------------------------
{p, post}           Create a new post             {config}            Edit various system files
{new post}          Same as p, post                
{lsp, list posts}   List posts in current view    {preview}           Look at current (local) view in browser
{lsd, list drafts}  List all drafts (all views)   {browse}            Look at current (published) view in browser
{delete ID [ID...]} Remove multiple posts         {rebuild}           Regenerate all posts and relink
{undelete ID}       Undelete a post               {publish}           Publish (current view)
{edit ID}           Edit a post                   {ssh}               Login to remote server
{import ASSETS}     Import assets (images, etc.)  {manage WIDGET}     Manage content/layout of a widget
EOS

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.choose_method(cmd) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 99

def self.choose_method(cmd)
  cmd = cmd.strip
  found = nil
  params = nil
  Regexes.each_pair do |rx, meth|
    m = cmd.match(rx)
    result = m ? m.to_a : nil
    next unless result
    found = meth
    params = m[1]
  end
  meth = found || :cmd_INVALID
  params = cmd if meth == :cmd_INVALID
  result = [meth]
  result << params unless params.nil?
  result
end

Instance Method Details

#_manage_links ⇒ Object 



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# File 'lib/repl.rb', line 118

def _manage_links
  dir = @blog.view.dir/"themes/standard/widgets/links"
  data = dir/"list.data"
  edit_file(data)
end

#_manage_navbar ⇒ Object

cloned from manage_pages



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# File 'lib/repl.rb', line 89

def _manage_navbar   # cloned from manage_pages
  dir = @blog.view.dir/"themes/standard/banner/navbar"
  files = Dir.entries(dir) - %w[. .. navbar.lt3]
  main_file = "[ navbar.lt3 ]"
  new_item  = "  [New item]  "
  files = [main_file] + files + [new_item]
  num, fname = STDSCR.menu(title: "Edit navbar:", items: files)
  return if fname.nil?
  case fname
    when new_item
      print "Page title:  "
      title = RubyText.gets
      title.chomp!
      print "File name (.lt3): "
      fname = RubyText.gets
      fname << ".lt3" unless fname.end_with?(".lt3")
      new_file = dir/fname
      File.open(new_file, "w") do |f|
        f.puts "<h1>#{title}</h1>\n\n\n "
        f.puts ".backlink"
      end
      edit_file(new_file)
    when main_file
      edit_file(main_file[2..-3])
  else
    edit_file(dir/fname)
  end
end

#_manage_pages ⇒ Object 



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# File 'lib/repl.rb', line 124

def _manage_pages
  dir = @blog.view.dir/"themes/standard/widgets/pages"
  # Assume child files already generated (and list.data??)
  data = dir/"list.data"
  lines = _get_data?(data)
  hash = {}
  lines.each do |line|
    url, name = line.chomp.split(",")
    source = url.sub(/.html$/, ".lt3")
    hash[name] = source
  end
  new_item = "[New page]"
  num, fname = STDSCR.menu(title: "Edit page:", items: hash.keys + [new_item])
  return if fname.nil?
  if fname == new_item
    print "Page title:  "
    title = RubyText.gets
    title.chomp!
    print "File name (.lt3): "
    fname = RubyText.gets
    fname << ".lt3" unless fname.end_with?(".lt3")
    fhtml = fname.sub(/.lt3$/, ".html")
    File.open(data, "a") {|f| f.puts "#{fhtml},#{title}" }
    new_file = dir/fname
    File.open(new_file, "w") do |f|
      f.puts "<h1>#{title}</h1>\n\n\n "
      f.puts ".backlink"
    end
    edit_file(new_file)
  else
    target = hash[fname]
    edit_file(dir/target)
  end
end

#_manage_pinned ⇒ Object

cloned from manage_links



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# File 'lib/repl.rb', line 83

def _manage_pinned   # cloned from manage_links
  dir = @blog.view.dir/"themes/standard/widgets/pinned"
  data = dir/"list.data"
  edit_file(data)
end

#_remove_post(arg, testing = false) ⇒ Object 



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# File 'lib/repl.rb', line 293

def _remove_post(arg, testing=false)
  id = get_integer(arg)
  result = @blog.remove_post(id)
  puts "Post #{id} not found" if result.nil?
end

#all_tags ⇒ Object 



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# File 'lib/helpers-repl.rb', line 157

def all_tags
  all = []
  @blog.views.each {|view| all.append(*tags_for_view(view)) }
  all.sort + ["NEW TAG"]
end

#ask(prompt, meth = :to_s) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 117

def ask(prompt, meth = :to_s)
  print prompt
  gets.chomp.send(meth)
end

#ask!(prompt, meth = :to_s) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 122

def ask!(prompt, meth = :to_s)
  ask(fx(prompt, :bold), meth)
end

#check_file_exists(file) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 132

def check_file_exists(file)
  raise FileNotFound(file) unless File.exist?(file)
end

#cmd_browse ⇒ Object 



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# File 'lib/repl.rb', line 164

def cmd_browse
  url = @blog.view.publisher.url
  if url.nil?   
    puts "\n  Publish first."
    return
  end
  result = system!("open '#{url}'")
  raise CantOpen(url) unless result
  return
end

#cmd_change_view(arg = nil) ⇒ Object 



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# File 'lib/repl.rb', line 244

def cmd_change_view(arg = nil)
  if arg.nil?
    viewnames = @blog.views.map {|x| x.name }
    n = viewnames.find_index(@blog.view.name)
    name = @blog.view.name
    # TODO: Add view description 
    k, name = STDSCR.menu(title: "Views", items: viewnames, curr: n)
    return if name.nil?
    @blog.view = name
    puts "\n  ", fx(name, :bold), "\n"
    return
  else
    if @blog.view?(arg)
      @blog.view = arg
      puts "\n  ", fx(arg, :bold), "\n"
    end
  end
end

#cmd_clear ⇒ Object 



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# File 'lib/repl.rb', line 35

def cmd_clear
  STDSCR.rows.times { puts " "*(STDSCR.cols-1) }
  # sleep 0.1
  STDSCR.clear
end

#cmd_config ⇒ Object 



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# File 'lib/repl.rb', line 45

def cmd_config
  hash = {"Variables (general)"                 => "global.lt3",
          "   View-specific"                    => "../../settings/view.txt",
          "   Recent posts"                     => "../../settings/recent.txt",
          "   Publishing"                       => "../../settings/publish.txt",
          "Configuration: enable/disable"       => "../../settings/features.txt",
          "   Reddit"                           => "../../config/reddit/credentials.txt",
          "   Facebook"                         => "../../config/facebook/credentials.txt",
          "   Twitter"                          => "../../config/twitter/credentials.txt",
          "View: generator"                     => "blog/generate.lt3",
          "   HEAD info"                        => "blog/head.lt3",
          "   Layout "                          => "blog/index.lt3",
          "   Recent-posts entry"               => "blog/post_entry.lt3",
          "   Banner: Description"              => "blog/banner.lt3",
          "      Text portion"                  => "banner/top.lt3",
          "Generator for a post"                => "post/generate.lt3",
          "   HEAD info for post"               => "post/head.lt3",
          "   Content for post"                 => "post/index.lt3",
          "Global CSS"                          => "etc/blog.css.lt3",
          "External JS/CSS (Bootstrap, etc.)"   => "/etc/externals.lt3"
         }

  dir = @blog.view.dir/"themes/standard/"
  num, target = STDSCR.menu(title: "Edit file:", items: hash)
  edit_file(dir/target)
end

#cmd_edit_post(arg) ⇒ Object 



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# File 'lib/repl.rb', line 308

def cmd_edit_post(arg)
  id = get_integer(arg)
  # Simplify this
  tag = "#{'%04d' % id}"
  files = ::Find.find(@blog.root/:drafts).to_a
  files = files.grep(/#{tag}-.*lt3/)
  draft = exactly_one(files)
  result = edit_file(draft, vim: '-c$')
  @blog.generate_post(draft)
rescue => err
  _tmp_error(err)
end

#cmd_help ⇒ Object 



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# File 'lib/repl.rb', line 475

def cmd_help
  msg = Help
  msg.each_line do |line|
    e = line.each_char
    first = true
    loop do
      s1 = ""
      c = e.next
      if c == "{"
        s2 = first ? "" : "  "
        first = false
        loop do 
          c = e.next
          break if c == "}"
          s2 << c
        end
        print fx(s2, :bold)
        s2 = ""
      else
        s1 << c
      end
      print s1
    end
  end
  puts
end

#cmd_import ⇒ Object 



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# File 'lib/repl.rb', line 159

def cmd_import
  files = ask("\n  File(s) = ")
  system!("cp #{files} #{@blog.root}/views/#{@blog.view.name}/assets/")
end

#cmd_INVALID(arg) ⇒ Object 



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# File 'lib/repl.rb', line 411

def cmd_INVALID(arg)
  print fx("\n  Command ", :bold)
  print fx(arg, Red, :bold)
  puts fx(" was not understood.\n ", :bold)
end

#cmd_legacy ⇒ Object 



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# File 'lib/repl.rb', line 417

def cmd_legacy
  dir = "sources/computing"
  puts "Importing from: #{dir}"
  files = Dir[dir/"**"]
  files.each do |fname|
    name = fname
    cmd = "grep ^.title #{name}"
    grep = `#{cmd}`   # find .title
    @title = grep.sub(/^.title /, "")
    num = `grep ^.post #{name}`.sub(/^.post /, "").to_i
    seq = @blog.get_sequence
    tnum = File.basename(fname).to_i

    raise "num != seq + 1" if num != seq + 1
    raise "num != tnum" if num != tnum
    seq = @blog.next_sequence
    raise "num != seq" if num != seq

    label = '%04d' % num
    slug0 = @title.downcase.strip.gsub(' ', '-').gsub(/[^\w-]/, '')
    @slug = "#{label}-#{slug0}"
    @fname = @slug + ".lt3"
    cmd = "cp #{name} #{@blog.root}/drafts/#@fname"
    result = system!(cmd)
    raise CantCopy(name, "#{@blog.root}/drafts/#@fname") unless result
    # post = Post.load(@slug)
    draft = "#{@blog.root}/drafts/#@fname"
    @meta = @blog.generate_post(draft)
    puts
    sleep 2
  end
rescue => err
  error(err)
end

#cmd_list_assets ⇒ Object 



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# File 'lib/repl.rb', line 387

def cmd_list_assets
  dir = @blog.view.dir + "/assets"
  assets = Dir[dir + "/*"]
  if assets.empty?
    puts "  No assets"
    return
  else
    puts
    assets.each do |name| 
      asset = File.basename(name)
      puts "  ", fx(asset, Blue)
    end
  end
  puts
end

#cmd_list_drafts ⇒ Object 



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# File 'lib/repl.rb', line 362

def cmd_list_drafts
  curr_drafts = @blog.drafts  # current view
  if curr_drafts.empty?
    puts "\n  No drafts\n "
    return
  else
    puts
    curr_drafts.each do |draft| 
      base = draft.sub(/.lt3$/, "")
      dir = @blog.root/:posts/base
      meta = nil 
      Dir.chdir(dir) { meta = @blog.read_metadata }
      num, title = meta.num, meta.title
      num = '%4d' % num.to_s
      puts "  ", fx(num, Red), "  ", fx(title, Black)
      other = @blog._get_views(@blog.root/:drafts/draft) - [@blog.view.to_s]
      unless other.empty?
        print fx(" "*9 + "also in: ", Bold) 
        puts other.join(", ") 
      end
    end
  end
  puts
end

#cmd_list_posts ⇒ Object 



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# File 'lib/repl.rb', line 336

def cmd_list_posts
  posts = @blog.posts  # current view
  str = @blog.view.name + ":\n"
  puts
  if posts.empty?
    puts "  No posts"
  else
    posts.each do |post| 
      base = post.sub(/.lt3$/, "")
      dir = @blog.root/:posts/base
      meta = nil 
      Dir.chdir(dir) { meta = @blog.read_metadata }
      num, title = meta.num, meta.title
      num = '%4d' % num.to_s
      puts "  ", fx(num, Red), "  ", fx(title, Black)
      draft = @blog.root/:drafts/post + ".lt3"
      other = meta.views - [@blog.view.to_s]
      unless other.empty?
        print fx(" "*9 + "also in: ", :bold) 
        puts other.join(", ") 
      end
    end
  end
  puts
end

#cmd_list_views ⇒ Object 



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# File 'lib/repl.rb', line 321

def cmd_list_views
  puts
  @blog.views.each do |v| 
    v = v.to_s
    v = fx(v, :bold) if v == @blog.view.name
    # FIXME: next 3 lines are crufty as hell
    lines = File.readlines(@blog.root/"views/#{v}/settings/view.txt")
    lines = lines.select {|x| x =~ /^title / && x !~ /VIEW_/ }
    title = lines.first.split(" ", 2)[1]
    print "  ", ('%15s' % v)
    puts  "  ", fx(title, Black)
  end
  puts
end

#cmd_manage(arg) ⇒ Object 



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# File 'lib/repl.rb', line 72

def cmd_manage(arg)
  case arg
    when "pages";   _manage_pages
    when "links";   _manage_links
    when "navbar";  _manage_navbar
    when "pinned";  _manage_pinned  # ditch this??
  else
    puts "#{arg} is unknown"
  end
end

#cmd_new_post ⇒ Object 



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# File 'lib/repl.rb', line 281

def cmd_new_post
  if @blog.views.empty?
    puts "\n  Create a view before creating the first post!\n "
    return
  end
  title = ask("\nTitle: ")
  puts
  @blog.create_new_post(title)
rescue => err
  _tmp_error(err)
end

#cmd_new_view(arg) ⇒ Object 



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# File 'lib/repl.rb', line 263

def cmd_new_view(arg)
  if arg.nil?
    arg = ask(fx("\nFilename: ", :bold))
    puts
  end
  @blog.create_view(arg)
  text = File.read("#{@blog.root}/data/global.lt3")
  File.write("#{@blog.root}/views/#{@blog.view}/themes/standard/global.lt3", 
             text.gsub(/VIEW_NAME/, @blog.view.to_s))
  vim_params = '-c ":set hlsearch" -c ":hi Search ctermfg=2 ctermbg=6" +/"\(VIEW_.*\|SITE.*\)"'
  edit_file(@blog.view.dir/"themes/standard/global.lt3", vim: vim_params)
  @blog.change_view(arg)
rescue ViewAlreadyExists
  puts 'Blog already exists'
rescue => err
  _tmp_error(err)
end

#cmd_preview ⇒ Object 



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# File 'lib/repl.rb', line 175

def cmd_preview
  local = @blog.view.local_index
  unless File.exist?(local)
    puts "\n  No index. Rebuilding..."
    cmd_rebuild
  end
  result = system!("open #{local}")
  raise CantOpen(local) unless result
rescue => err
  _tmp_error(err)
end

#cmd_publish ⇒ Object 



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# File 'lib/repl.rb', line 187

def cmd_publish
  puts
  unless @blog.view.can_publish?
    msg = "Can't publish... see global.lt3"
    puts msg
    return
  end

  ret = RubyText.(label: " Publishing... ") do
    @blog.view.publisher.publish
  end
  return unless ret

  vdir = @blog.view.dir
  dump("fix this later", "#{vdir}/last_published")
  puts "  ...finished.\n " unless ret
rescue => err
  _tmp_error(err)
end

#cmd_quit ⇒ Object 



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# File 'lib/repl.rb', line 22

def cmd_quit
  STDSCR.rows.times { puts " "*(STDSCR.cols-1) }
  # FIXME please?
  # sleep 0.1
  STDSCR.clear
  sleep 0.1
  RubyText.stop
  sleep 0.1
  system("clear")
  # sleep 0.1
  exit
end

#cmd_rebuild ⇒ Object 



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# File 'lib/repl.rb', line 231

def cmd_rebuild
  debug "Starting cmd_rebuild..."
  puts
  regen_posts
  puts "  Generating view"
  @blog.generate_view(@blog.view)
  puts "  Generating index"
  @blog.generate_index(@blog.view)
  puts "  ...finished!"
rescue => err
  _tmp_error(err)
end

#cmd_remove_post(arg) ⇒ Object 



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# File 'lib/repl.rb', line 299

def cmd_remove_post(arg)
  args = arg.split
  args.each do |x| 
    # FIXME
    ret = _remove_post(x.to_i, false)
    puts ret
  end
end

#cmd_ssh ⇒ Object 



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# File 'lib/repl.rb', line 403

def cmd_ssh
  pub = @blog.view.publisher
  puts
  system!("tputs clear; ssh #{pub.user}@#{pub.server}")
  sleep 0.1
  cmd_clear
end

#cmd_version ⇒ Object 



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# File 'lib/repl.rb', line 41

def cmd_version
  puts fx("\n  RuneBlog", :bold), fx(" v #{RuneBlog::VERSION}\n", Red)
end

#edit_file(file, vim: "") ⇒ Object 



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# File 'lib/repl.rb', line 12

def edit_file(file, vim: "")
#   STDSCR.saveback
  ed = @blog.editor
  params = vim if ed =~ /vim$/
  result = system!("#{@blog.editor} #{file} #{params}")
  raise EditorProblem(file) unless result
#   STDSCR.restback
  cmd_clear
end

#error_cant_delete(files) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 136

def error_cant_delete(files)
  case files
    when String
      raise CantDelete(files)
    when Array
      raise CantDelete(files.join("\n"))
  end
end

#fresh?(src, dst) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/repl.rb', line 207

def fresh?(src, dst)
  return false unless File.exist?(dst)
  File.mtime(src) <= File.mtime(dst)
end

#get_integer(arg) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 126

def get_integer(arg)
  Integer(arg) 
rescue 
  raise ArgumentError, "'#{arg}' is not an integer"
end

#regen_posts ⇒ Object 



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# File 'lib/repl.rb', line 212

def regen_posts
  drafts = @blog.drafts  # current view
  puts "  Regenerating posts..." unless drafts.empty?
  drafts.each do |draft|
    orig = @blog.root/:drafts/draft
    postdir = @blog.root/:posts/draft.sub(/.lt3$/, "")
    content = postdir/"/guts.html"
    next if fresh?(orig, content)

    @blog.generate_post(orig)    # rebuild post
    Dir.chdir(postdir) do
      meta = @blog.read_metadata
      num, title = meta.num, meta.title
      num = '%4d' % num.to_s
      puts "  ", fx(num, Red), "  ", fx(title, Black)
    end
  end
end

#tags_for_view(vname = @blog.view) ⇒ Object 



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# File 'lib/helpers-repl.rb', line 145

def tags_for_view(vname = @blog.view)
  Dir.chdir(vname) do
    fname = "tagpool"
    if File.exist?(fname)
      tags = File.readlines(fname).map(&:chomp)
    else
      tags = []
    end
  end
  tags.sort
end