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<?php |
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declare(strict_types=1); |
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namespace FondBot\Conversation; |
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use FondBot\Chat; |
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use FondBot\User; |
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use FondBot\Channel; |
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use FondBot\FondBot; |
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use FondBot\Conversation; |
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use Illuminate\Support\Facades\Cache; |
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use Illuminate\Contracts\Support\Arrayable; |
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class Context implements Arrayable |
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{ |
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private $channel; |
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private $chat; |
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private $user; |
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private $intent; |
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private $interaction; |
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private $items; |
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private $attempts = 0; |
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public function __construct(Channel $channel, Chat $chat, User $user, array $items = []) |
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{ |
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$this->channel = $channel; |
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$this->chat = $chat; |
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$this->user = $user; |
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$this->items = collect($items); |
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} |
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public static function load(Channel $channel, Chat $chat, User $user) |
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{ |
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$value = Cache::get(static::getCacheKey($channel, $chat, $user), [ |
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'chat' => $chat, |
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'user' => $user, |
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'intent' => null, |
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'interaction' => null, |
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'items' => [], |
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]); |
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$context = new static($channel, $chat, $user, $value['items'] ?? []); |
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if (isset($value['intent'])) { |
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$context->setIntent(resolve($value['intent'])); |
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} |
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if (isset($value['interaction'])) { |
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$context->setInteraction(resolve($value['interaction'])); |
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} |
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return $context; |
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} |
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public function save(): void |
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{ |
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Cache::put(static::getCacheKey($this->channel, $this->chat, $this->user), $this->toArray(), FondBot::$contextTtl); |
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} |
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public function delete(): void |
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{ |
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Cache::forget(static::getCacheKey($this->channel, $this->chat, $this->user)); |
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} |
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public function getChannel(): Channel |
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{ |
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return $this->channel; |
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} |
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public function getChat(): Chat |
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{ |
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return $this->chat; |
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} |
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public function getUser(): User |
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{ |
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return $this->user; |
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} |
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public function getIntent(): ?Intent |
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{ |
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return $this->intent; |
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} |
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public function setIntent(Intent $intent): Context |
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{ |
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$this->intent = $intent; |
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return $this; |
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} |
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public function getInteraction(): ?Interaction |
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{ |
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return $this->interaction; |
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} |
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public function setInteraction(?Interaction $interaction): Context |
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{ |
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$this->interaction = $interaction; |
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return $this; |
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} |
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public function getItem(string $key, $default = null) |
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{ |
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return $this->items->get($key, $default); |
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} |
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public function setItem(string $key, $value): Context |
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{ |
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$this->items->put($key, $value); |
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return $this; |
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} |
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public function incrementAttempts(): Context |
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{ |
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$this->attempts++; |
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return $this; |
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} |
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public function attempts(): int |
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{ |
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return $this->attempts; |
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} |
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public function toArray(): array |
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{ |
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return [ |
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'intent' => $this->intent ? get_class($this->intent) : null, |
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'interaction' => $this->interaction ? get_class($this->interaction) : null, |
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'items' => $this->items->toArray(), |
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'attempts' => $this->attempts, |
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]; |
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} |
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public function __destruct() |
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{ |
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if (Conversation::instance()->transitioned()) { |
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$this->save(); |
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} else { |
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$this->delete(); |
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} |
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} |
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private static function getCacheKey(Channel $channel, Chat $chat, User $user): string |
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{ |
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return implode('.', ['context', $channel->getName(), $chat->getId(), $user->getId()]); |
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} |
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} |
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fondbot /
framework
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