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xkcd.lua
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xkcd.lua
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--[[
mattata v2.0 - XKCD Plugin
Fetches XKCD comics.
]]
local plugin = {}
plugin.name = 'xkcd'
plugin.category = 'utility'
plugin.description = 'View XKCD comics'
plugin.commands = { 'xkcd' }
plugin.help = '/xkcd [number] - View an XKCD comic. If no number is given, shows the latest.'
function plugin.on_message(api, message, ctx)
local https = require('ssl.https')
local json = require('dkjson')
local tools = require('telegram-bot-lua.tools')
local input = message.args
local api_url
if input and input:match('^%d+$') then
api_url = string.format('https://xkcd.com/%s/info.0.json', input)
elseif input and input:lower() == 'random' then
-- Fetch latest to get the max number, then pick random
local latest_body, latest_status = https.request('https://xkcd.com/info.0.json')
if latest_body and latest_status == 200 then
local latest = json.decode(latest_body)
if latest and latest.num then
local random_num = math.random(1, latest.num)
api_url = string.format('https://xkcd.com/%d/info.0.json', random_num)
end
end
if not api_url then
return api.send_message(message.chat.id, 'Failed to fetch XKCD. Please try again.')
end
else
api_url = 'https://xkcd.com/info.0.json'
end
local body, status = https.request(api_url)
if not body or status ~= 200 then
return api.send_message(message.chat.id, 'Comic not found. Please check the number and try again.')
end
local data = json.decode(body)
if not data then
return api.send_message(message.chat.id, 'Failed to parse XKCD response.')
end
local caption = string.format(
'<b>#%d - %s</b>\n<i>%s</i>',
data.num or 0,
tools.escape_html(data.title or 'Untitled'),
tools.escape_html(data.alt or '')
)
-- Send the comic image with caption
if data.img then
local keyboard = api.inline_keyboard():row(
api.row():url_button('View on xkcd.com', string.format('https://xkcd.com/%d/', data.num))
)
return api.send_photo(message.chat.id, data.img, caption, 'html', false, nil, keyboard)
end
return api.send_message(message.chat.id, caption, 'html')
end
return plugin

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