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Mikubot-2/otouto/plugins/weather.lua

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local weather = {}
local HTTP = require('socket.http')
local JSON = require('dkjson')
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local utilities = require('otouto.utilities')
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function weather:init(config)
if not config.owm_api_key then
print('Missing config value: owm_api_key.')
print('weather.lua will not be enabled.')
return
end
weather.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('weather', true).table
weather.doc = [[```
]]..config.cmd_pat..[[weather <location>
Returns the current weather conditions for a given location.
```]]
end
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weather.command = 'weather <location>'
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function weather:action(msg, config)
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local input = utilities.input(msg.text)
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if not input then
if msg.reply_to_message and msg.reply_to_message.text then
input = msg.reply_to_message.text
else
utilities.send_message(self, msg.chat.id, weather.doc, true, msg.message_id, true)
return
end
end
local coords = utilities.get_coords(input, config)
if type(coords) == 'string' then
utilities.send_reply(self, msg, coords)
return
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end
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local url = 'http://api.openweathermap.org/data/2.5/weather?APPID=' .. config.owm_api_key .. '&lat=' .. coords.lat .. '&lon=' .. coords.lon
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local jstr, res = HTTP.request(url)
if res ~= 200 then
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utilities.send_reply(self, msg, config.errors.connection)
return
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end
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local jdat = JSON.decode(jstr)
if jdat.cod ~= 200 then
utilities.send_reply(self, msg, 'Error: City not found.')
return
end
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local celsius = string.format('%.2f', jdat.main.temp - 273.15)
local fahrenheit = string.format('%.2f', celsius * (9/5) + 32)
local output = '`' .. celsius .. '°C | ' .. fahrenheit .. '°F, ' .. jdat.weather[1].description .. '.`'
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utilities.send_reply(self, msg, output, true)
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end
return weather