initial commie bastard

plugins/weather.lua

@@ -0,0 +1,41 @@
+local PLUGIN = {}
+
+PLUGIN.doc = [[
+	!weather <location>
+	Returns the current temperature and weather conditions for a specified location.
+	Non-city locations are accepted; "!weather Buckingham Palace" will return the weather for Westminster.
+]]
+
+PLUGIN.triggers = {
+	'^!weather'
+}
+
+function PLUGIN.action(msg)
+
+	local input = get_input(msg.text)
+	if not input then
+		return send_msg(msg, PLUGIN.doc)
+	end
+
+	coords = get_coords(input)
+	if not coords then
+		local message = 'Error: \"' .. input .. '\" not found.'
+		return send_msg(msg, message)
+	end
+
+	local url = 'http://api.openweathermap.org/data/2.5/weather?lat=' .. coords.lat .. '&lon=' .. coords.lon
+	local jstr, res = HTTP.request(url)
+	if res ~= 200 then
+		return send_msg(msg, 'Connection error.')
+	end
+	local jdat = JSON.decode(jstr)
+
+	local celsius = jdat.main.temp - 273.15
+	local fahrenheit = tonumber(string.format("%.2f", celsius * (9/5) + 32))
+	local message = jdat.name .. ': ' .. celsius .. '°C / ' .. fahrenheit .. '°F, ' .. jdat.weather[1].description .. '.'
+
+	send_msg(msg, message)
+
+end
+
+return PLUGIN