#116 - integration with slack (#129)

* wip

* wip

* wip

* wip

* fix

* wip

* wip

* fix

* fix

* cs fix

* #116 - fix

* #116 - changed home-office icon

* Apply suggestions from code review

Co-authored-by: Krzysztof Rewak <krzysztof.rewak@gmail.com>

* #116 - cr fix

* #116 - cs fix

* #116 - cs fix

* Apply suggestions from code review

Co-authored-by: Ewelina Lasowy <56546832+EwelinaLasowy@users.noreply.github.com>

* #5 - bump codestyle

Co-authored-by: EwelinaLasowy <ewelina.lasowy@blumilk.pl>
Co-authored-by: Krzysztof Rewak <krzysztof.rewak@gmail.com>
Co-authored-by: Ewelina Lasowy <56546832+EwelinaLasowy@users.noreply.github.com>

app/Infrastructure/Slack/Traits/FindsUserBySlackId.php

@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Traits;
+
+use Illuminate\Support\Str;
+use Toby\Eloquent\Models\User;
+use Toby\Infrastructure\Slack\Exceptions\UserNotFoundException;
+
+trait FindsUserBySlackId
+{
+    protected function findUserBySlackId(string $slackId): ?User
+    {
+        $id = $this->prepareSlackIdFromString($slackId);
+
+        /** @var User $user */
+        $user = User::query()
+            ->whereRelation("profile", "slack_id", $id)
+            ->first();
+
+        return $user;
+    }
+
+    /**
+     * @throws UserNotFoundException
+     */
+    protected function findUserBySlackIdOrFail(string $slackId): ?User
+    {
+        $user = $this->findUserBySlackId($slackId);
+
+        if (!$user) {
+            throw new UserNotFoundException("Użytkownik {$slackId} nie istnieje w tobym");
+        }
+
+        return $user;
+    }
+
+    protected function prepareSlackIdFromString(string $slackId): string
+    {
+        return Str::between($slackId, "<@", "|");
+    }
+}

app/Infrastructure/Slack/Traits/ListsHandlers.php

@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Traits;
+
+use Illuminate\Support\Collection;
+use Illuminate\Support\Str;
+use Spatie\SlashCommand\AttachmentField;
+use Spatie\SlashCommand\Handlers\BaseHandler;
+use Spatie\SlashCommand\Handlers\SignatureHandler;
+use Spatie\SlashCommand\Handlers\SignatureParts;
+use Spatie\SlashCommand\HandlesSlashCommand;
+
+trait ListsHandlers
+{
+    protected function findAvailableHandlers(): Collection
+    {
+        return collect(config("laravel-slack-slash-command.handlers"))
+            ->map(fn(string $handlerClassName): BaseHandler => new $handlerClassName($this->request))
+            ->filter(fn(HandlesSlashCommand $handler): bool => $handler instanceof SignatureHandler)
+            ->filter(function (SignatureHandler $handler) {
+                $signatureParts = new SignatureParts($handler->getSignature());
+
+                return Str::is($signatureParts->getSlashCommandName(), $this->request->command);
+            });
+    }
+
+    protected function mapHandlersToAttachments(Collection $handlers): array
+    {
+        return $handlers
+            ->sort(
+                fn(SignatureHandler $handlerA, SignatureHandler $handlerB): int => strcmp(
+                    $handlerA->getFullCommand(),
+                    $handlerB->getFullCommand(),
+                ),
+            )
+            ->map(
+                fn(SignatureHandler $handler): AttachmentField => AttachmentField::create(
+                    $handler->getDescription(),
+                    "`/{$handler->getSignature()}`",
+                ),
+            )
+            ->all();
+    }
+}