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Mikubot-2/plugins/calc.lua
2016-04-26 23:37:55 +00:00

43 lines
894 B
Lua
Executable File

local command = 'calc <expression>'
local doc = [[```
/calc <expression>
Returns solutions to mathematical expressions and conversions between common units. Results provided by mathjs.org.
```]]
local triggers = {
'^/calc[@'..bot.username..']*'
}
local action = function(msg)
local input = msg.text:input()
if not input then
if msg.reply_to_message and msg.reply_to_message.text then
input = msg.reply_to_message.text
else
sendMessage(msg.chat.id, doc, true, msg.message_id, true)
return
end
end
local url = 'https://api.mathjs.org/v1/?expr=' .. URL.escape(input)
local output = HTTPS.request(url)
if not output then
sendReply(msg, config.errors.connection)
return
end
output = '*Result:* `' .. output .. '`'
sendMessage(msg.chat.id, output, true, msg.message_id, true)
end
return {
action = action,
triggers = triggers,
command = command,
doc = doc
}