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urbandictionary.lua
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urbandictionary.lua
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--[[
mattata v2.0 - Urban Dictionary Plugin
Looks up definitions from Urban Dictionary.
]]
local plugin = {}
plugin.name = 'urbandictionary'
plugin.category = 'utility'
plugin.description = 'Look up definitions on Urban Dictionary'
plugin.commands = { 'urbandictionary', 'urban', 'ud' }
plugin.help = '/ud <word> - Look up a word on Urban Dictionary.'
function plugin.on_message(api, message, ctx)
local https = require('ssl.https')
local json = require('dkjson')
local url = require('socket.url')
local tools = require('telegram-bot-lua.tools')
local input = message.args
if not input or input == '' then
return api.send_message(message.chat.id, 'Please provide a word or phrase to look up. Usage: /ud <word>')
end
local encoded = url.escape(input)
local api_url = 'https://api.urbandictionary.com/v0/define?term=' .. encoded
local body, status = https.request(api_url)
if not body or status ~= 200 then
return api.send_message(message.chat.id, 'Failed to connect to Urban Dictionary. Please try again later.')
end
local data = json.decode(body)
if not data or not data.list or #data.list == 0 then
return api.send_message(message.chat.id, 'No definitions found for "' .. tools.escape_html(input) .. '".')
end
local entry = data.list[1]
-- Clean up brackets used for linking on the website
local definition = (entry.definition or ''):gsub('%[', ''):gsub('%]', '')
local example = (entry.example or ''):gsub('%[', ''):gsub('%]', '')
-- Truncate long definitions
if #definition > 1500 then
definition = definition:sub(1, 1500) .. '...'
end
local lines = {
string.format('<b>%s</b>', tools.escape_html(entry.word or input)),
'',
tools.escape_html(definition)
}
if example and example ~= '' then
if #example > 500 then
example = example:sub(1, 500) .. '...'
end
table.insert(lines, '')
table.insert(lines, '<i>' .. tools.escape_html(example) .. '</i>')
end
if entry.thumbs_up or entry.thumbs_down then
table.insert(lines, '')
table.insert(lines, string.format(
'👍 %d 👎 %d',
entry.thumbs_up or 0,
entry.thumbs_down or 0
))
end
return api.send_message(message.chat.id, table.concat(lines, '\n'), 'html')
end
return plugin

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