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twitch.mattata
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--[[
Copyright 2017 Matthew Hesketh <wrxck0@gmail.com>
This code is licensed under the MIT. See LICENSE for details.
]]
local twitch = {}
local mattata = require('mattata')
local https = require('ssl.https')
local url = require('socket.url')
local json = require('dkjson')
local configuration = require('configuration')
function twitch:init()
twitch.commands = mattata.commands(
self.info.username
):command('twitch').table
twitch.help = [[/twitch <query> - Searches Twitch for the given search query and returns the most relevant result(s).]]
end
function twitch.get_result_count(input)
local jstr, res = https.request('https://api.twitch.tv/kraken/search/streams?q=' .. url.escape(input) .. '&client_id=' .. configuration.keys.twitch)
if res ~= 200 then
return 0
end
local jdat = json.decode(jstr)
if jdat._total == 0 then
return 0
end
return #jdat.streams
end
function twitch.get_result(input, n)
n = n or 1
local jstr, res = https.request('https://api.twitch.tv/kraken/search/streams?q=' .. url.escape(input) .. '&client_id=' .. configuration.keys.twitch)
if res ~= 200 then
return false
end
local jdat = json.decode(jstr)
if jdat._total == 0 then
return false
end
local output = ''
if jdat.streams[n].channel.url and jdat.streams[n].channel.display_name then
output = output .. '<a href="' .. jdat.streams[n].channel.url .. '">' .. mattata.escape_html(jdat.streams[n].channel.display_name) .. '</a>\n'
end
if jdat.streams[n].channel.game then
output = output .. '🎮 ' .. mattata.escape_html(jdat.streams[n].channel.game) .. '\n'
end
if jdat.streams[n].viewers then
output = output .. '👁 ' .. mattata.comma_value(tostring(jdat.streams[n].viewers)) .. '\n'
end
if jdat.streams[n].video_height then
output = output .. '🖥 ' .. jdat.streams[n].video_height .. 'p'
if jdat.streams[n].average_fps then
output = output .. ', ' .. mattata.round(jdat.streams[n].average_fps) .. ' FPS'
end
end
return output
end
function twitch:on_callback_query(callback_query, message, configuration)
if callback_query.data:match('^results:(.-)$') then
local result = callback_query.data:match('^results:(.-)$')
local input = mattata.input(message.reply.text)
local total_results = twitch.get_result_count(input)
if tonumber(result) > tonumber(total_results) then
result = 1
elseif tonumber(result) < 1 then
result = tonumber(total_results)
end
local output = twitch.get_result(
input,
tonumber(result)
)
if not output then
return mattata.answer_callback_query(
callback_query.id,
'An error occured!'
)
end
local previous_result = 'twitch:results:' .. math.floor(tonumber(result) - 1)
local next_result = 'twitch:results:' .. math.floor(tonumber(result) + 1)
local keyboard = {}
keyboard.inline_keyboard = {
{
{
['text'] = '← Previous',
['callback_data'] = previous_result
},
{
['text'] = result .. '/' .. total_results,
['callback_data'] = 'twitch:pages:' .. result
},
{
['text'] = 'Next →️',
['callback_data'] = next_result
}
}
}
return mattata.edit_message_text(
message.chat.id,
message.message_id,
output,
'html',
true,
json.encode(keyboard)
)
elseif callback_query.data:match('^pages:(.-):(.-)$') then
local current, total = callback_query.data:match('^pages:(.-):(.-)$')
return mattata.answer_callback_query(
callback_query.id,
string.format(
'You are on page %s of %s!',
tostring(current),
tostring(total)
)
)
end
end
function twitch:on_message(message, configuration)
local input = mattata.input(message.text)
if not input then
return mattata.send_reply(
message,
twitch.help
)
end
local output = twitch.get_result(input)
if not output then
return mattata.send_reply(
message,
configuration.errors.results
)
end
local keyboard = {}
keyboard.inline_keyboard = {
{
{
['text'] = '← Previous',
['callback_data'] = 'twitch:results:0'
},
{
['text'] = '1/' .. twitch.get_result_count(input),
['callback_data'] = 'twitch:pages:1:' .. twitch.get_result_count(input)
},
{
['text'] = 'Next →️',
['callback_data'] = 'twitch:results:2'
}
}
}
return mattata.send_message(
message.chat.id,
output,
'html',
true,
false,
message.message_id,
json.encode(keyboard)
)
end
return twitch

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