Laravel Poznań Meetup #2 - Creating chatbots with BotMan

Adam Matysiak
CTO / Team Leader
adam@highsolutions.pl

What is chatbot?
Definition:
“A conversational
user interface
used for interaction
with application”

Where we can use it?
- Automatic/interactive deployments
- DevOps
- Sales support (E-commerce)
- Customer service support
- Brand marketing
- Blog/content promotion
- Self-service (e.g. weather forecast, bus timetable etc.)
- Fun
- … ?

Examples
https://highsolutions.pl/blog/wpis/7-zastosowan-chatbota-
o-ktorych-musisz-wiedziec-prowadzac-biznes

The time is now?
“Chatbot Market Size Is About To
Reach $1.25 Billion By 2025”
GrandViewResearch, August 2017

Efficiency
Data source: https://neilpatel.com/blog/open-rates-facebook-messenger

Laravel Poznań Meetup #2 - Creating chatbots with BotMan

BotMan
composer create-project --prefer-dist botman/studio your-awesome-bot
Requirements: PHP >= 7.0
● https://botman.io/ - Documentation / Demo
● https://buildachatbot.io/ - Video course
● https://playground.botman.io/ - On-line IDE
● https://christoph-rumpel.com/build-chatbots-with-php - E-book

Available services
- Amazon Alexa
- Cisco Spark
- Facebook Messenger
- HipChat
- Kik
- Microsoft Bot Framework
- Nexmo
- Slack
- Telegram
- Twilio
- WeChat

How chatbots work
1. Listening 🙉
2. Processing 🌀
3. Responding 📢

Hear and respond...
File botman.php in routes directory
$botman->hears('Hi', function ($bot) {
$bot->reply('Hello World!');
});
// Process incoming message
$botman->listen();

Sending to controller...
$botman->hears('Hi', 'SomeNamespaceCommandController@respond');
class CommandController {
public function respond($bot) {
}
}

Parameters and regular expressions
$botman->hears('I like {team}', function ($bot, $team) {
$bot->reply('You like: '. $team);
});
$botman->hears('.*(hi|hey|hello).*', function ($bot) {
});
$botman->hears('I want to buy ([0-9]+) tickets', function ($bot, $number) {
$bot->reply('I am ordering ’. $number .’ tickets for you!’);
});

Attachments (images, videos, localization etc.)
$bot->receivesImages(function($bot, $images) {
foreach ($images as $image) {
$url = $image->getUrl(); // The direct url
$title = $image->getTitle(); // The title, if available
$payload = $image->getPayload(); // The original payload
}
});

Responding
$botman->hears('Hi!', function (BotMan $bot) {
$bot->reply("Foo");
$bot->reply("Bar");
$bot->typesAndWaits(2); // It shows typing icon for 2 seconds...
$bot->reply("Baz!");
});

Responding with an image
use BotManBotManMessagesAttachmentsImage;
use BotManBotManMessagesOutgoingOutgoingMessage;
$botman->hears('Show me your logo', function (BotMan $bot) {
// Create attachment
$attachment = new Image('https://highsolutions.pl/images/logo-image.png');
// Build message object
$message = OutgoingMessage::create('Our logo')
->withAttachment($attachment);
// Reply message object
$bot->reply($message);
});

Conversations
$botman->hears('I want to create an account', function($bot) {
$bot->startConversation(new AccountRegisterConversation);
});

Conversations
class AccountRegisterConversation extends Conversation
{
protected $name;
protected $email;
public function run()
{
$this->askName();
}
public function askName()
{
$this->ask('What is your name?', function(Answer $answer) {
$this->name = $answer->getText();
$this->say('Nice to meet you, '. $this->name);
$this->askEmail();
});
}
public function askEmail()
{
$this->ask('Please provide your e-mail address:', function(Answer $answer) {
$this->email = $answer->getText();
// ... sending e-mail
$this->say('Thank you. We send confirmation e-mail to: '. $this->email);
});
}
}

Questions
public function askWhoWillWinNextMatch()
{
$this->ask('Who will win next match?', function (Answer $response) {
$this->say('Great, your answer is - ' . $response->getText());
});
}

Questions with predefined options
public function askForNextMatchWinner()
{
$question = Question::create('Who will win next match?')
->fallback(“Can’t say...”)
->callbackId('who_will_win_next_match')
->addButtons([
Button::create('Team A')->value('a'),
Button::create('Team B')->value('b'),
]);
$this->ask($question, function (Answer $answer) {
// Detect if button was clicked:
if ($answer->isInteractiveMessageReply()) {
$selectedValue = $answer->getValue(); // will be either 'a' or 'b'
$selectedText = $answer->getText(); // will be either 'Team A' or 'Team B'
}
});
}

Questions with patterns
public function askWhoWillWinNextMatch()
{
$this->ask('Who will win next match? [Real - Barca]', [
[
'pattern' => 'real|madrid|hala',
'callback' => function () {
$this->say('In Cristiano you trust!');
}
],
[
'pattern' => 'barca|barcelona|fcb',
'callback' => function () {
$this->say('In Messi you trust!');
}
]
]);
}

User information
/**
* Retrieve User information.
* @param IncomingMessage $matchingMessage
* @return UserInterface
*/
public function getUser(IncomingMessage $matchingMessage)
{
return new User($matchingMessage->getSender());
}
// Access user
$user = $bot->getUser();

Cache
$storage = $botman->userStorage();
$storage = $botman->channelStorage();
$storage = $botman->driverStorage();
$bot->userStorage()->save([
'name' => $name
]);
$bot->userStorage()->all();
$userInformation = $bot->userStorage()->find($id);
$name = $userInformation->get('name');
$bot->userStorage()->delete();

NLP
Hey, I am going to match Real - Barca on Sunday at 15:00 with Suzy.
{
"intent": "create_meeting",
"entities": {
"name" : "Match Real - Barca",
"invitees" : [‘Suzy’],
"time": "2017-03-11 15:00:00"
}
}

Testing
/** @test */
public function test_simple_reply()
{
$this->bot
->receives('Hi')
->assertReply('Hello World!');
}
/** @test */
public function test_image_reply()
{
$this->bot
->receivesImage(['https://highsolutions.pl/images/logo-image.png'])
->assertReply('This is our logo!');
}

Testing
/** @test */
public function test_conversation()
{
$this->bot
->receives('Hi')
->assertReplies([
'Foo',
'Bar',
])->receives('And?')
->assertReply('Baz');
}

Messenger / Button Template
$bot->reply(ButtonTemplate::create('How do you like BotMan so far?')
->addButton(ElementButton::create('Quite good')->type('postback')->payload('quite-good'))
->addButton(ElementButton::create('Love it!')->url('https://botman.io'))
);

Messenger / Generic Template
$bot->reply(GenericTemplate::create()
->addElements([
Element::create('BotMan Documentation')
->subtitle('All about BotMan')
->image('http://botman.io/img/botman-body.png')
->addButton(ElementButton::create('visit')
->url('http://botman.io')
)
->addButton(ElementButton::create('tell me more')
->payload('tellmemore')
->type('postback')
),
Element::create('BotMan Laravel Starter')
->subtitle('This is the best way to start...')
->url('https://github.com/botman/botman')
),
])
);

Messenger / List Template
$bot->reply(ListTemplate::create()
->useCompactView()
->addGlobalButton(ElementButton::create('view more')->url('http://buildachatbot.io'))
->addElement(
Element::create('BotMan Documentation')
->subtitle('All about BotMan')
->addButton(ElementButton::create('tell me more')
->payload('tellmemore')->type('postback'))
)
->addElement(
Element::create('BotMan Laravel Starter')
->subtitle('This is the best way to start...')
->url('http://botman.io')
)
)
);

Messenger / Media Template
$bot->reply(MediaTemplate::create()
->element(MediaAttachmentElement::create('image')
->addButton(ElementButton::create('Tell me more')
->type('postback')
->payload('Tell me more'))
->addButton(ElementButton::create('Documentation')
->url('https://botman.io/'))));

Questions?
adam@highsolutions.pl
@AdamMatysiak
chatbot.highsolutions.pl

Laravel Poznań Meetup #2 - Creating chatbots with BotMan

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