Let's Build a Chatbot - WavePHP 2018

Transcript

1. LET’S BUILD A CHATBOT! WAVEPHP 2018 1
2. HI! I'M MARCUS 2
3. WHAT'S A CHATBOT? 3
9. WAVEPHP BOT! 9
10. THE THING ABOUT CHAT BOTS... 10
11. MOST CHAT BOTS ARE TERRIBLE... 11
12. KEYS FOR SUCCESS! ▸ Keep it simple ▸ Natural Language Processing 12
13. NATURAL LANGUAGE PROCESSING... 13
14. DIALOGFLOW 14
15. HOW THE MAGIC HAPPENS... ▸ Intentions ▸ Entities ▸ Training ▸ Sentiment Analysis 15
26. YOU DON'T NEED PHP... 26
27. BOTMAN 27
28. A framework agnostic PHP library to build chatbots — By Marcel Pociot 28
29. DRIVERS Alexa Cisco Spark Facebook Messenger Hangouts Chat HipChat Microsoft Bot FW Nexmo Slack Telegram Twilio Web WeChat 29
30. A framework agnostic PHP library to build chatbots 30
31. BOTMAN STUDIO! 31
32. BOTMAN STUDIO ▸ A pre-configured Laravel application to get you started using BotMan quickly ▸ botman new weather-bot ▸ php artisan botman:install-driver facebook ▸ Easy testing 32
33. // BotmanController.php public function handle() { $botman = app('botman'); $botman->listen(); } 33
34. // routes/botman.php $botman = app('botman'); $dialogflow = Dialogflow::create(config('wave.dialogflow_key'))->listenForAction(); $botman->middleware->received($dialogflow); $botman->group(['middleware' => $dialogflow], function ($bot){ $bot->hears('cfp', BotManController::class . '@cfp'); $bot->hears('greet', BotManController::class . '@greet'); $bot->hears('help', BotManController::class . '@help'); $bot->hears('info', BotManController::class . '@info'); $bot->hears('speaker', BotManController::class . '@speaker'); $bot->hears('speaker_bio', BotManController::class . '@speaker_bio'); $bot->hears('speaker_schedule', BotManController::class . '@speaker_schedule'); $bot->hears('sponsor_information', BotManController::class . '@sponsor_information'); }); 34
35. // App\Http\Controllers\BotmanController.php public function help(Botman $bot) { $bot->reply('You can ask me a few things like such as "When is the conference?", "Who is speaking?"'); $bot->typesAndWaits(1); $bot->reply('You can even ask me about a specific speaker or sponsor with "Tell me about SDPHP" or "tell me about Cal Evans"'); } 35
36. public function greet(Botman $bot) { $user = $bot->getUser(); $greeting = array_random([ 'Hello', 'Hey there', 'Greetings', 'Yo, what\'s up', 'Salutations', 'Bonjour', 'Hola', 'Namaste', ]); $bot->reply($greeting . ' ' . $user->getFirstName()); } 36
37. public function sponsor_information(Botman $bot) { // .... // create attachment with sponsor logo image $attachment = new Image($sponsorData['logo_url'], [ 'custom_payload' => true, ]); // build the logo message $message = OutgoingMessage::create() ->withAttachment($attachment); // send the logo $bot->reply($message); } 37
38. class OnboardingConversation extends Conversation { protected $firstname; protected $email; public function askFirstname() { $this->ask('Hello! What is your firstname?', function(Answer $answer) { // Save result $this->firstname = $answer->getText(); $this->say('Nice to meet you '.$this->firstname); $this->askEmail(); }); } public function askEmail() { $this->ask('One more thing - what is your email?', function(Answer $answer) { // Save result $this->email = $answer->getText(); $this->say('Great - that is all we need, '.$this->firstname); }); } public function run() { // This will be called immediately $this->askFirstname(); } } 38
39. public function askForDatabase() { $question = Question::create('Do you need a database?') ->fallback('Unable to create a new database') ->callbackId('create_database') ->addButtons([ Button::create('Of course')->value('yes'), Button::create('Hell no!')->value('no'), ]); $this->ask($question, function (Answer $answer) { // Detect if button was clicked: if ($answer->isInteractiveMessageReply()) { $selectedValue = $answer->getValue(); // will be either 'yes' or 'no' $selectedText = $answer->getText(); // will be either 'Of course' or 'Hell no!' } }); } 39
40. KEYS FOR SUCCESS! ▸ Keep it simple ▸ Natural Language Processing 40
41. REFERENCES ▸ DiegoDevGroup/wavephpbot ▸ BotMan.io ▸ Marcel's Course: Build A Chatbot 41