138 lines
4.8 KiB
Lua
138 lines
4.8 KiB
Lua
local pixabay = {}
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function pixabay:init(config)
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if not cred_data.pixabay_apikey then
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print('Fehlender Key: pixabay_apikey.')
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print('pixabay.lua wird nicht aktiviert.')
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return
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end
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pixabay.triggers = {
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"^/pix(id) (%d+)",
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"^/pix (.*)$",
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"(pixabay.com).*%-(%d+)"
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}
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pixabay.doc = [[*
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]]..config.cmd_pat..[[pix* _<Suchbegriff>_: Sendet lizenzfreies Bild]]
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end
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pixabay.command = 'pix <Suchbegriff>'
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local BASE_URL = 'https://pixabay.com/api'
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local apikey = cred_data.pixabay_apikey
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function pixabay:get_pixabay_directlink(id)
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local url = BASE_URL..'/?key='..apikey..'&lang=de&id='..id
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local b,c = https.request(url)
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if c ~= 200 then return nil end
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local data = json.decode(b)
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if data.totalHits == 0 then return 'NOPIX' end
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local webformatURL = data.hits[1].webformatURL
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local image_url = string.gsub(webformatURL, '_640.jpg', '_960.jpg')
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-- Link to full, high resolution image
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local preview_url = data.hits[1].previewURL
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local image_code = string.sub(preview_url, 59)
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local image_code = string.sub(image_code, 0, -9)
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local full_url = 'https://pixabay.com/de/photos/download/'..image_code..'.jpg'
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local user = data.hits[1].user
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local tags = data.hits[1].tags
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local page_url = data.hits[1].pageURL
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-- cache this shit
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local hash = 'telegram:cache:pixabay:'..id
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print('Caching data in '..hash..' with timeout 1209600')
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redis:hset(hash, 'image_url', image_url)
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redis:hset(hash, 'full_url', full_url)
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redis:hset(hash, 'page_url', page_url)
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redis:hset(hash, 'user', user)
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redis:hset(hash, 'tags', tags)
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redis:expire(hash, 1209600) -- 1209600 = two weeks
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return image_url, full_url, page_url, user, tags
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end
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function pixabay:get_pixabay(term)
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local count = 70 -- how many pictures should be returned (3 to 200) NOTE: more pictures = higher load time
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local url = BASE_URL..'/?key='..apikey..'&lang=de&safesearch=true&per_page='..count..'&image_type=photo&q='..term
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local b,c = https.request(url)
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if c ~= 200 then return nil end
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local photo = json.decode(b)
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if photo.totalHits == 0 then return 'NOPIX' end
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local photos = photo.hits
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-- truly randomize
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math.randomseed(os.time())
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-- random max json table size
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local i = math.random(#photos)
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local webformatURL = photos[i].webformatURL
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local image_url = string.gsub(webformatURL, '_640.jpg', '_960.jpg')
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-- Link to full, high resolution image
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local preview_url = photos[i].previewURL
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local image_code = string.sub(preview_url, 59)
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local image_code = string.sub(image_code, 0, -9)
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local full_url = 'https://pixabay.com/de/photos/download/'..image_code..'.jpg'
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local user = photos[i].user
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local tags = photos[i].tags
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local page_url = photos[i].pageURL
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return image_url, full_url, page_url, user, tags
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end
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function pixabay:callback(callback, msg, self, config, input)
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utilities.send_typing(msg.chat.id, 'upload_photo')
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local input = URL.unescape(input)
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local url, full_url, page_url, user, tags = pixabay:get_pixabay(input)
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if not url then
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utilities.answer_callback_query(callback, 'Verbindung mit Pixabay fehlgeschlagen :(', true)
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return
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elseif url == 'NOPIX' then
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utilities.answer_callback_query(callback, 'Keine Ergebnisse gefunden!', true)
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return
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else
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utilities.answer_callback_query(callback, 'Suche nochmal nach "'..input..'"')
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local text = '"'..tags..'" von '..user
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utilities.send_photo(msg.chat.id, url, text, msg.message_id, '{"inline_keyboard":[[{"text":"Seite aufrufen","url":"'..page_url..'"},{"text":"Volles Bild (Login)","url":"'..full_url..'"},{"text":"Nochmal suchen","callback_data":"pixabay:'..URL.escape(input)..'"}]]}')
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end
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end
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function pixabay:action(msg, config, matches)
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utilities.send_typing(msg.chat.id, 'upload_photo')
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local term = matches[1]
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if matches[2] then
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if redis:exists("telegram:cache:pixabay:"..matches[2]) == true then -- if cached
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local hash = 'telegram:cache:pixabay:'..matches[2]
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url = redis:hget(hash, 'image_url')
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full_url = redis:hget(hash, 'full_url')
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page_url = redis:hget(hash, 'page_url')
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user = redis:hget(hash, 'user')
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tags = redis:hget(hash, 'tags')
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else
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url, full_url, page_url, user, tags = pixabay:get_pixabay_directlink(matches[2])
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end
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callback_button = ''
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else
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url, full_url, page_url, user, tags = pixabay:get_pixabay(term)
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callback_button = ',{"text":"Nochmal suchen","callback_data":"pixabay:'..URL.escape(matches[1])..'"}'
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end
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if not url then
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utilities.send_reply(msg, config.errors.connection)
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return
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elseif url == 'NOPIX' then
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utilities.send_reply(msg, config.errors.results)
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return
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else
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local text = '"'..tags..'" von '..user
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utilities.send_photo(msg.chat.id, url, text, msg.message_id, '{"inline_keyboard":[[{"text":"Seite aufrufen","url":"'..page_url..'"},{"text":"Volles Bild (Login)","url":"'..full_url..'"}'..callback_button..']]}')
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return
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end
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end
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return pixabay |