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Mikubot-2/otouto/plugins/apod.lua
2016-08-13 22:46:18 -04:00

57 lines
1.6 KiB
Lua

-- Credit to Heitor (tg:Wololo666; gh:heitorPB) for this plugin.
local apod = {}
local HTTPS = require('ssl.https')
local JSON = require('dkjson')
local URL = require('socket.url')
local utilities = require('otouto.utilities')
apod.command = 'apod [date]'
function apod:init(config)
apod.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('apod', true).table
apod.doc = [[
/apod [YYYY-MM-DD]
Returns the Astronomy Picture of the Day.
Source: nasa.gov
]]
apod.doc = apod.doc:gsub('/', config.cmd_pat)
apod.base_url = 'https://api.nasa.gov/planetary/apod?api_key=' .. (config.nasa_api_key or 'DEMO_KEY')
end
function apod:action(msg, config)
local input = utilities.input(msg.text)
local url = apod.base_url
local date = os.date('%F')
if input then
if input:match('^(%d+)%-(%d+)%-(%d+)$') then
url = url .. '&date=' .. URL.escape(input)
date = input
end
end
local jstr, code = HTTPS.request(url)
if code ~= 200 then
utilities.send_reply(self, msg, config.errors.connection)
return
end
local data = JSON.decode(jstr)
if data.error then
utilities.send_reply(self, msg, config.errors.results)
return
end
local output = string.format(
'<b>%s (</b><a href="%s">%s</a><b>)</b>\n%s',
utilities.html_escape(data.title),
utilities.html_escape(data.hdurl or data.url),
date,
utilities.html_escape(data.explanation)
)
utilities.send_message(self, msg.chat.id, output, false, nil, 'html')
end
return apod