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Extract pages into lib/page/ modules; thin down bbs.rb

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Each page is now a self-contained module with a configure(tui) class
method. Shared helpers live in TUIHelpers. bbs.rb is reduced to
constants, chrome, and wiring.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Zsolt Tasnadi
2026-05-11 22:23:10 +02:00
parent 1cd1eceb1c
commit 1e2b8321fd
10 changed files with 323 additions and 300 deletions
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343
bbs.rb
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@@ -6,6 +6,15 @@ require_relative 'lib/repository/online_users_repository'
require_relative 'lib/repository/message_board_repository'
require_relative 'lib/repository/wiki_repository'
require_relative 'lib/repository/catalog_repository'
require_relative 'lib/page/helpers'
require_relative 'lib/page/idle_page'
require_relative 'lib/page/messages_page'
require_relative 'lib/page/new_msg_page'
require_relative 'lib/page/wiki_list_page'
require_relative 'lib/page/page_view_page'
require_relative 'lib/page/games_page'
require_relative 'lib/page/online_page'
require_relative 'lib/page/sysinfo_page'
ONLINE = OnlineUsersRepository.new
MESSAGES = MessageBoardRepository.new(ENV.fetch('MESSAGES_PATH', 'data/messages.dat'))
@@ -18,115 +27,39 @@ MENU_ITEMS = [
'System Info', 'Exit'
].freeze
# ── Layout ──────────────────────────────────────────────────────────────────
LEFT_W = 21 # left panel outer width
CONT_X = 23 # content start x inside right panel (LEFT_W + 2)
CONT_Y = 2 # content start y inside panels (top border + 1)
# ── DOS Navigator color theme ────────────────────────────────────────────────
LEFT_W = 21
CONT_X = 23
CONT_Y = 2
THEME = {
bg: "\e[0;40m", # black background
normal: "\e[0;37m", # white
bright: "\e[1;37m", # bright white
border: "\e[0;36m", # cyan
selected: "\e[0;30;46m", # black on cyan (highlighted menu item)
header: "\e[1;36m", # bright cyan (section titles)
label: "\e[0;33m", # yellow (timestamps, labels)
status: "\e[0;30;46m", # black on cyan (bottom status bar)
input: "\e[0;33m", # yellow (text input)
success: "\e[1;32m", # green
error: "\e[1;31m", # red
bg: "\e[0;40m",
normal: "\e[0;37m",
bright: "\e[1;37m",
border: "\e[0;36m",
selected: "\e[0;30;46m",
header: "\e[1;36m",
label: "\e[0;33m",
status: "\e[0;30;46m",
input: "\e[0;33m",
success: "\e[1;32m",
error: "\e[1;31m",
reset: "\e[0m",
}.freeze
# ── TUI definition ───────────────────────────────────────────────────────────
MAIN_TUI = BBS::TUI.define do
helpers do
def tc(style, str) = "#{THEME.fetch(style, THEME[:normal])}#{str}#{THEME[:reset]}"
def cont_w = term_cols - CONT_X - 1
def cont_h = term_rows - 4
def fmt_date(iso)
Time.parse(iso.to_s).strftime('%Y-%m-%d')
rescue
iso.to_s
end
def wordwrap(text, width)
words = text.to_s
.gsub(/\[([^\]]+)\]\([^)]+\)/, '\1')
.gsub(/[#*_`~>|\\]/, '')
.gsub(/\r?\n+/, ' ')
.strip
.split
lines, line = [], +''
words.each do |w|
if line.empty? then line << w
elsif line.length + 1 + w.length <= width then line << ' ' << w
else lines << line.dup; line = +w
end
end
lines << line unless line.empty?
lines
end
def wiki_list_render
list_h = cont_h - 3
visible = @items[@scroll, list_h] || []
if visible.empty?
text 'No items found.', x: CONT_X, y: CONT_Y, style: THEME[:normal]
else
list visible.map { |p| p.title[0, cont_w - 2] },
x: CONT_X, y: CONT_Y,
selected: @item_sel - @scroll,
style: THEME[:normal], highlight: THEME[:selected]
if (page = @items[@item_sel])
hint = page.description.to_s.strip[0, cont_w]
text hint, x: CONT_X, y: CONT_Y + cont_h - 2, style: THEME[:normal] unless hint.empty?
end
end
text '↑↓ navigate Enter read q back', x: CONT_X, y: CONT_Y + cont_h, style: THEME[:normal]
end
def scroll_list_up
return if @item_sel <= 0
@item_sel -= 1
@scroll = @item_sel if @item_sel < @scroll
end
def scroll_list_down
return if @item_sel >= @items.size - 1
@item_sel += 1
list_h = cont_h - 3
@scroll = @item_sel - list_h + 1 if @item_sel >= @scroll + list_h
end
def open_wiki_page(back:)
return unless (page = @items[@item_sel])
@detail = wordwrap(WIKI.content(page.id), cont_w)
@page_title = page.title
@page_meta = "#{fmt_date(page.created_at)} #{WIKI.page_url(page.locale, page.path)}"
@prev_page = back
@scroll = 0
go :page_view
end
end
helpers { include TUIHelpers }
init do
@menu_sel = 0
@page_title = 'TELETYPE BBS'
@items = []
@item_sel = 0
@scroll = 0
@detail = []
@page_meta = +''
@input = +''
@status = +''
@prev_page = nil
@menu_sel = 0
@page_title = 'TELETYPE BBS'
@items = []
@item_sel = 0
@scroll = 0
@detail = []
@page_meta = +''
@input = +''
@status = +''
@prev_page = nil
end
chrome do
@@ -136,7 +69,6 @@ MAIN_TUI = BBS::TUI.define do
box x: 1, y: 1, w: LEFT_W, h: panel_h,
style: THEME[:border], bg: :black
box x: LEFT_W + 1, y: 1, w: term_cols - LEFT_W, h: panel_h,
title: " #{@page_title} │ #{@username} │ #{ONLINE.count} online ",
style: THEME[:border], bg: :black
@@ -152,217 +84,28 @@ MAIN_TUI = BBS::TUI.define do
style: THEME[:status]
end
# ── Pages ───────────────────────────────────────────────────────────────────
page :idle do
enter { @page_title = 'TELETYPE BBS' }
render do
text 'Navigate the menu with ↑↓, select with Enter.',
x: CONT_X, y: CONT_Y + cont_h / 2, style: THEME[:normal]
end
key(:up) { @menu_sel = (@menu_sel - 1) % MENU_ITEMS.size }
key(:down) { @menu_sel = (@menu_sel + 1) % MENU_ITEMS.size }
key(:enter) do
case MENU_ITEMS[@menu_sel]
when 'Messages' then go :messages
when 'Post Message' then go :new_msg
when 'Blog Posts' then go :blog
when 'HowTo Guides' then go :howto
when 'Game Catalog' then go :games
when 'Online Users' then go :online
when 'System Info' then go :sysinfo
when 'Exit' then :halt
end
end
key('q') { :halt }
key(:escape) { :halt }
end
page :messages do
enter do
@page_title = 'MESSAGES'
@items = MESSAGES.last(30).map { |m| "#{tc(:label, m.timestamp)} #{tc(:bright, m.username)}: #{m.text}" }
@scroll = 0
end
render do
(@items[@scroll, cont_h] || []).each_with_index do |line, i|
text line[0, cont_w], x: CONT_X, y: CONT_Y + i
end
text "#{@items.size} msg(s) ↑↓ scroll q back",
x: CONT_X, y: CONT_Y + cont_h, style: THEME[:normal]
end
key(:up) { @scroll = [@scroll - 1, 0].max }
key(:down) { @scroll = [@scroll + 1, [@items.size - cont_h, 0].max].min }
key('r') { reload }
key('q') { go :idle }
key(:escape) { go :idle }
end
page :new_msg do
enter { @page_title = 'POST MESSAGE'; @input = +''; @status = +'' }
render do
text 'Type your message and press Enter. Esc cancels.',
x: CONT_X, y: CONT_Y, style: THEME[:normal]
text "#{tc(:bright, @username)}: #{tc(:input, @input)}_",
x: CONT_X, y: CONT_Y + 2
unless @status.empty?
text @status, x: CONT_X, y: CONT_Y + 4,
style: @status.start_with?('Sent') ? THEME[:success] : THEME[:error]
end
end
key(:enter) do
if @input.strip.empty?
@status = 'Message cannot be empty.'
else
MESSAGES.append(@username, @input.strip[0...200])
go :idle
end
end
key(:backspace) { @input.chop! unless @input.empty? }
key(:escape) { go :idle }
printable { |ch| @input << ch if @input.length < 200 }
end
page :blog do
enter { @page_title = 'BLOG'; @items = WIKI.list('blog'); @item_sel = 0; @scroll = 0 }
render { wiki_list_render }
key(:up) { scroll_list_up }
key(:down) { scroll_list_down }
key(:enter) { open_wiki_page(back: :blog) }
key('r') { reload }
key('q') { go :idle }
key(:escape) { go :idle }
end
page :howto do
enter { @page_title = 'HOWTO'; @items = WIKI.list('howto'); @item_sel = 0; @scroll = 0 }
render { wiki_list_render }
key(:up) { scroll_list_up }
key(:down) { scroll_list_down }
key(:enter) { open_wiki_page(back: :howto) }
key('r') { reload }
key('q') { go :idle }
key(:escape) { go :idle }
end
page :page_view do
render do
text @page_meta[0, cont_w], x: CONT_X, y: CONT_Y, style: THEME[:normal]
(@detail[@scroll, cont_h - 2] || []).each_with_index do |l, i|
text l[0, cont_w], x: CONT_X, y: CONT_Y + 2 + i, style: THEME[:normal]
end
text "#{@scroll + 1}/#{@detail.size} ↑↓ scroll q back",
x: CONT_X, y: CONT_Y + cont_h, style: THEME[:normal]
end
key(:up) { @scroll = [@scroll - 1, 0].max }
key(:down) { @scroll = [@scroll + 1, [@detail.size - (cont_h - 2), 0].max].min }
key('q') { @scroll = 0; go(@prev_page || :idle) }
key(:escape) { @scroll = 0; go(@prev_page || :idle) }
end
page :games do
enter { @page_title = 'GAME CATALOG'; @items = CATALOG.fetch; @item_sel = 0 }
render do
if @items.empty?
text 'No games found.', x: CONT_X, y: CONT_Y, style: THEME[:normal]
else
game = @items[@item_sel]
links = game.external_links
text "#{@item_sel + 1}/#{@items.size} #{game.title}"[0, cont_w],
x: CONT_X, y: CONT_Y, style: THEME[:bright]
text "#{game.platform} · #{game.author}"[0, cont_w],
x: CONT_X, y: CONT_Y + 1, style: THEME[:normal]
story_rows = cont_h - 4 - links.size
wordwrap(game.story, cont_w).first(story_rows).each_with_index do |l, i|
text l, x: CONT_X, y: CONT_Y + 3 + i, style: THEME[:normal]
end
link_y = CONT_Y + cont_h - links.size
links.each_with_index do |lnk, i|
text "#{tc(:label, lnk[:label])} #{lnk[:url]}"[0, cont_w],
x: CONT_X, y: link_y + i
end
text '↑↓ navigate q back', x: CONT_X, y: CONT_Y + cont_h, style: THEME[:normal]
end
end
key(:up) { @item_sel = (@item_sel - 1) % @items.size if @items.any? }
key(:down) { @item_sel = (@item_sel + 1) % @items.size if @items.any? }
key('r') { reload }
key('q') { go :idle }
key(:escape) { go :idle }
end
page :online do
enter { @page_title = 'ONLINE USERS'; @items = ONLINE.snapshot.sort.map { |_, name| name } }
render do
@items.each_with_index do |uname, i|
you = uname == @username ? tc(:normal, ' ← you') : ''
text tc(:bright, uname) + you, x: CONT_X, y: CONT_Y + i
end
text "#{@items.size} user(s) online q back",
x: CONT_X, y: CONT_Y + cont_h, style: THEME[:normal]
end
key('r') { reload }
key('q') { go :idle }
key(:escape) { go :idle }
end
page :sysinfo do
enter do
@page_title = 'SYSTEM INFO'
@items = [
"Online users #{ONLINE.count}",
"Messages #{MESSAGES.count}",
"Wiki https://wiki.teletypegames.org",
"Games API https://teletypegames.org",
"Platform #{RUBY_PLATFORM}",
"Ruby #{RUBY_VERSION}"
]
end
render do
@items.each_with_index do |row, i|
text row[0, cont_w], x: CONT_X, y: CONT_Y + i, style: THEME[:normal]
end
text 'q back', x: CONT_X, y: CONT_Y + cont_h, style: THEME[:normal]
end
key('q') { go :idle }
key(:escape) { go :idle }
end
IdlePage.configure(self)
MessagesPage.configure(self)
NewMsgPage.configure(self)
WikiListPage.configure(self, :blog, category: 'blog', title: 'BLOG')
WikiListPage.configure(self, :howto, category: 'howto', title: 'HOWTO GUIDES')
PageViewPage.configure(self)
GamesPage.configure(self)
OnlinePage.configure(self)
SysinfoPage.configure(self)
start :idle
end
# ── App config ───────────────────────────────────────────────────────────────
BBS.configure do |c|
c.on_session_end = ->(session) { ONLINE.remove(session.session_id) }
c.flow = BBS::Flow.define do
big_banner 'TELETYPE BBS', style: :success
ask :username, prompt: 'Name (blank for Anonymous)',
transform: ->(v) { v.strip.empty? ? 'Anonymous' : v.strip[0...20] }
call { |ctx| ONLINE.add(ctx[:session_id], ctx[:username]) }
tui MAIN_TUI
say 'Goodbye!', style: :muted
end
end