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# Description:
# Returns a command from commandlinefu.com
#
# Dependencies:
# None
#
# Configuration:
# None
#
# Commands:
# hubot commandlinefu me - returns random command
# hubot commandlinefu me <command> - random entry for the comand passed
#
# Author:
# aaronott
module.exports = (robot) ->
robot.respond /commandlinefu(?: me)? *(.*)?/i, (msg) ->
query = if msg.match[1]
"matching/#{msg.match[1]}/#{new Buffer(msg.match[1]).toString('base64')}/json"
else
"random/json"
command msg, "http://www.commandlinefu.com/commands/#{query}", (cmd) ->
msg.send cmd
command = (msg, uri, cb) ->
msg.http(uri)
.get() (err, res, body) ->
# The random call passes back a 302 to redirect to a new page, if this
# happens we redirect through a recursive function call passing the new
# location to retrieve
if res.statusCode == 302
command msg, res.headers.location, cb
else
# choose a random command from the returned list
cc = msg.random JSON.parse(body)
cb("-- #{cc.summary}\n#{cc.command}")
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