87 lines
2.0 KiB
Lua
Executable File
87 lines
2.0 KiB
Lua
Executable File
local apod = {}
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local HTTPS = require('ssl.https')
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local JSON = require('cjson')
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local URL = require('socket.url')
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local bindings = require('bindings')
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local utilities = require('utilities')
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apod.command = 'apod [date]'
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apod.doc = [[```
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/apod [query]
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Returns the Astronomy Picture of the Day.
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If the query is a date, in the format YYYY-MM-DD, the APOD of that day is returned.
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/apodhd [query]
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Returns the image in HD, if available.
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/apodtext [query]
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Returns the explanation of the APOD.
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Source: nasa.gov
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```]]
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function apod:init()
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apod.triggers = utilities.triggers(self.info.username)
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:t('apod', true):t('apodhd', true):t('apodtext', true).table
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end
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function apod:action(msg)
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if not self.config.nasa_api_key then
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self.config.nasa_api_key = 'DEMO_KEY'
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end
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local input = utilities.input(msg.text)
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local date = '*'
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local disable_page_preview = false
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local url = 'https://api.nasa.gov/planetary/apod?api_key=' .. self.config.nasa_api_key
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if input then
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if input:match('(%d+)%-(%d+)%-(%d+)$') then
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url = url .. '&date=' .. URL.escape(input)
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date = date .. input
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else
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bindings.sendMessage(self, msg.chat.id, apod.doc, true, msg.message_id, true)
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return
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end
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else
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date = date .. os.date("%F")
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end
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date = date .. '*\n'
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local jstr, res = HTTPS.request(url)
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if res ~= 200 then
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bindings.sendReply(self, msg, self.config.errors.connection)
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return
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end
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local jdat = JSON.decode(jstr)
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if jdat.error then
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bindings.sendReply(msg, self.config.errors.results)
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return
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end
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local img_url = jdat.url
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if string.match(msg.text, '^/apodhd*') then
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img_url = jdat.hdurl or jdat.url
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end
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local output = date .. '[' .. jdat.title .. '](' .. img_url .. ')'
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if string.match(msg.text, '^/apodtext*') then
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output = output .. '\n' .. jdat.explanation
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disable_page_preview = true
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end
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if jdat.copyright then
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output = output .. '\nCopyright: ' .. jdat.copyright
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end
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bindings.sendMessage(self, msg.chat.id, output, disable_page_preview, nil, true)
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end
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return apod
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