Class: SMS::Backend::Clickatell

Inherits:
Base show all
Defined in:
lib/rubysms/backend/clickatell.rb

Constant Summary collapse

PORT = 
1280

Instance Attribute Summary

Attributes inherited from Thing

#label, #router

Instance Method Summary collapse

Methods inherited from Thing

#incoming, #outgoing, #stop

Constructor Details

#initialize(key, username, password) ⇒ Clickatell

just store the arguments until the backend is ready to be started



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# File 'lib/rubysms/backend/clickatell.rb', line 17

def initialize(key, username, password)
	@username = username
	@password = password
	@key = key
end

Instance Method Details

#rack_app(env) ⇒ Object 



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# File 'lib/rubysms/backend/clickatell.rb', line 54

def rack_app(env)
	req = Rack::Request.new(env)
	post = req.GET
	
	# only a single (obscure) url is valid, which
	# must be entered into the clickatell admin
	return resp(404, "Not Found") unless\
		req.path_info == "/sms/receive"
	
	# check that the required parameters were
	# provided, and abort if any are missing
	return resp(500, "Missing Parameters") unless\
		post["from"] && post["timestamp"] && post["text"]
	
	begin
		# attempt to parse the timestamp
		# (it's a mySQL timestamp... ?!)
		time = Date.strptime(
			post["timestamp"],
			"%Y-%m-%d%H:%M:%S")
	
	# timestamp parsing fail
	rescue Exception => err
		log_exception err, "Invalid timestamp: #{post["timestamp"]}"
		return resp(500, "Invalid timestamp")
	end
	
	# everything looks fine, so notify rubysms of
	# the incoming message, and acknowledge clickatell
	router.incoming(
		SMS::Incoming.new(
			self, post["from"], time, post["text"]))
	resp(200, "Message Accepted")
end

#send_sms(msg) ⇒ Object 



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# File 'lib/rubysms/backend/clickatell.rb', line 42

def send_sms(msg)
	begin
		@api.send_message(msg.phone_number, msg.text)
		super

	# sending failed, for some reason. i've
	# never seen this happen, so just log it
	rescue Clickatell::API::Error => err
		log_exception err, "Message sending FAILED"
	end
end

#start ⇒ Object 



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# File 'lib/rubysms/backend/clickatell.rb', line 23

def start
	@api = ::Clickatell::API.authenticate(@key, @username, @password)
	balance = @api.
	
	# start a separate thread to receive
	# the incoming messages from clickatell
	@rack_thread = Thread.new do
		Rack::Handler::Mongrel.run(
			method(:rack_app), :Port=>PORT)
	end
	
	# nothing went wrong this time
	# so dump some useful info
	log [
		"Started #{label} Backend",
		"  Account balance: #{balance}"
	], :init
end