Add support for Airline templates (#83)

* Fix OpenGraph template and element class, fix tests

* Fix variables name for OpenGraphElementTest

* Revert setUrl() to url()

* Add support for Airline templates

* Fix issues reported by StyleCI

* Fix issues reported by Travis

src/Extensions/AbstractAirlineTemplate.php

@@ -0,0 +1,80 @@
+<?php
+
+namespace BotMan\Drivers\Facebook\Extensions;
+
+use JsonSerializable;
+use BotMan\BotMan\Interfaces\WebAccess;
+use BotMan\Drivers\Facebook\Interfaces\Airline;
+
+abstract class AbstractAirlineTemplate implements JsonSerializable, WebAccess, Airline
+{
+    /**
+     * @var string
+     */
+    protected $locale;
+
+    /**
+     * @var null|string
+     */
+    protected $themeColor;
+
+    /**
+     * AbstractAirlineTemplate constructor.
+     *
+     * @param string $locale
+     */
+    public function __construct(string $locale)
+    {
+        $this->locale = $locale;
+    }
+
+    /**
+     * @param string $themeColor
+     *
+     * @return \BotMan\Drivers\Facebook\Extensions\AbstractAirlineTemplate
+     */
+    public function themeColor(string $themeColor): self
+    {
+        $this->themeColor = $themeColor;
+
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function toArray(): array
+    {
+        return [
+            'attachment' => [
+                'type' => 'template',
+                'payload' => [
+                    'locale' => $this->locale,
+                    'theme_color' => $this->themeColor,
+                ],
+            ],
+        ];
+    }
+
+    /**
+     * @return array
+     */
+    public function jsonSerialize(): array
+    {
+        return $this->toArray();
+    }
+
+    /**
+     * Get the instance as a web accessible array.
+     * This will be used within the WebDriver.
+     *
+     * @return array
+     */
+    public function toWebDriver(): array
+    {
+        return [
+            'locale' => $this->locale,
+            'theme_color' => $this->themeColor,
+        ];
+    }
+}

src/Extensions/Airline/AbstractAirlineFlightInfo.php

@@ -0,0 +1,70 @@
+<?php
+
+namespace BotMan\Drivers\Facebook\Extensions\Airline;
+
+use JsonSerializable;
+use BotMan\Drivers\Facebook\Interfaces\Airline;
+
+abstract class AbstractAirlineFlightInfo implements JsonSerializable, Airline
+{
+    /**
+     * @var string
+     */
+    protected $flightNumber;
+
+    /**
+     * @var \BotMan\Drivers\Facebook\Extensions\Airline\AirlineAirport
+     */
+    protected $departureAirport;
+
+    /**
+     * @var \BotMan\Drivers\Facebook\Extensions\Airline\AirlineAirport
+     */
+    protected $arrivalAirport;
+
+    /**
+     * @var \BotMan\Drivers\Facebook\Extensions\Airline\AirlineFlightSchedule
+     */
+    protected $flightSchedule;
+
+    /**
+     * AbstractAirlineFlightInfo constructor.
+     *
+     * @param string                                                            $flightNumber
+     * @param \BotMan\Drivers\Facebook\Extensions\Airline\AirlineAirport        $departureAirport
+     * @param \BotMan\Drivers\Facebook\Extensions\Airline\AirlineAirport        $arrivalAirport
+     * @param \BotMan\Drivers\Facebook\Extensions\Airline\AirlineFlightSchedule $flightSchedule
+     */
+    public function __construct(
+        string $flightNumber,
+        AirlineAirport $departureAirport,
+        AirlineAirport $arrivalAirport,
+        AirlineFlightSchedule $flightSchedule
+    ) {
+        $this->flightNumber = $flightNumber;
+        $this->departureAirport = $departureAirport;
+        $this->arrivalAirport = $arrivalAirport;
+        $this->flightSchedule = $flightSchedule;
+    }
+
+    /**
+     * @return array
+     */
+    public function toArray(): array
+    {
+        return [
+            'flight_number' => $this->flightNumber,
+            'departure_airport' => $this->departureAirport,
+            'arrival_airport' => $this->arrivalAirport,
+            'flight_schedule' => $this->flightSchedule,
+        ];
+    }
+
+    /**
+     * @return array
+     */
+    public function jsonSerialize(): array
+    {
+        return $this->toArray();
+    }
+}

src/Extensions/Airline/AirlineAirport.php

@@ -0,0 +1,98 @@
+<?php
+
+namespace BotMan\Drivers\Facebook\Extensions\Airline;
+
+use JsonSerializable;
+
+class AirlineAirport implements JsonSerializable
+{
+    /**
+     * @var string
+     */
+    protected $airportCode;
+
+    /**
+     * @var string
+     */
+    protected $city;
+
+    /**
+     * @var string
+     */
+    protected $terminal;
+
+    /**
+     * @var string
+     */
+    protected $gate;
+
+    /**
+     * @param string $airportCode
+     * @param string $city
+     *
+     * @return \BotMan\Drivers\Facebook\Extensions\Airline\AirlineAirport
+     */
+    public static function create(string $airportCode, string $city): self
+    {
+        return new static($airportCode, $city);
+    }
+
+    /**
+     * AirlineAirport constructor.
+     *
+     * @param string $airportCode
+     * @param string $city
+     */
+    public function __construct(string $airportCode, string $city)
+    {
+        $this->airportCode = $airportCode;
+        $this->city = $city;
+    }
+
+    /**
+     * @param string $terminal
+     *
+     * @return \BotMan\Drivers\Facebook\Extensions\Airline\AirlineAirport
+     */
+    public function terminal(string $terminal): self
+    {
+        $this->terminal = $terminal;
+
+        return $this;
+    }
+
+    /**
+     * @param string $gate
+     *
+     * @return \BotMan\Drivers\Facebook\Extensions\Airline\AirlineAirport
+     */
+    public function gate(string $gate): self
+    {
+        $this->gate = $gate;
+
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function toArray(): array
+    {
+        $array = [
+            'airport_code' => $this->airportCode,
+            'city' => $this->city,
+            'terminal' => $this->terminal,
+            'gate' => $this->gate,
+        ];
+
+        return array_filter($array);
+    }
+
+    /**
+     * @return array
+     */
+    public function jsonSerialize(): array
+    {
+        return $this->toArray();
+    }
+}