#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/Architecture/ExceptionHandler.php

@@ -16,7 +16,6 @@ class ExceptionHandler extends Handler
         "password",
         "password_confirmation",
     ];
-
     protected array $handleByInertia = [
         Response::HTTP_INTERNAL_SERVER_ERROR,
         Response::HTTP_SERVICE_UNAVAILABLE,

app/Architecture/Providers/AppServiceProvider.php

@@ -4,13 +4,24 @@ declare(strict_types=1);
 
 namespace Toby\Architecture\Providers;
 
+use Illuminate\Contracts\Foundation\Application;
+use Illuminate\Notifications\ChannelManager;
 use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\Notification;
 use Illuminate\Support\ServiceProvider;
+use Toby\Infrastructure\Slack\Channels\SlackApiChannel;
 
 class AppServiceProvider extends ServiceProvider
 {
+    public function register(): void
+    {
+        Notification::resolved(function (ChannelManager $service): void {
+            $service->extend("slack", fn(Application $app): SlackApiChannel => $app->make(SlackApiChannel::class));
+        });
+    }
+
     public function boot(): void
     {
-        Carbon::macro("toDisplayString", fn() => $this->translatedFormat("d.m.Y"));
+        Carbon::macro("toDisplayString", fn(): string => $this->translatedFormat("d.m.Y"));
     }
 }

app/Architecture/Providers/AuthServiceProvider.php

@@ -30,10 +30,10 @@ class AuthServiceProvider extends ServiceProvider
             }
         });
 
-        Gate::define("manageUsers", fn(User $user) => $user->role === Role::AdministrativeApprover);
-        Gate::define("manageHolidays", fn(User $user) => $user->role === Role::AdministrativeApprover);
-        Gate::define("manageVacationLimits", fn(User $user) => $user->role === Role::AdministrativeApprover);
-        Gate::define("generateTimesheet", fn(User $user) => $user->role === Role::AdministrativeApprover);
-        Gate::define("listMonthlyUsage", fn(User $user) => $user->role === Role::AdministrativeApprover);
+        Gate::define("manageUsers", fn(User $user): bool => $user->role === Role::AdministrativeApprover);
+        Gate::define("manageHolidays", fn(User $user): bool => $user->role === Role::AdministrativeApprover);
+        Gate::define("manageVacationLimits", fn(User $user): bool => $user->role === Role::AdministrativeApprover);
+        Gate::define("generateTimesheet", fn(User $user): bool => $user->role === Role::AdministrativeApprover);
+        Gate::define("listMonthlyUsage", fn(User $user): bool => $user->role === Role::AdministrativeApprover);
     }
 }

app/Architecture/Providers/RouteServiceProvider.php

@@ -28,6 +28,6 @@ class RouteServiceProvider extends ServiceProvider
 
     protected function configureRateLimiting(): void
     {
-        RateLimiter::for("api", fn(Request $request) => Limit::perMinute(60)->by(optional($request->user())->id ?: $request->ip()));
+        RateLimiter::for("api", fn(Request $request): Limit => Limit::perMinute(60)->by(optional($request->user())->id ?: $request->ip()));
     }
 }

app/Domain/Actions/VacationRequest/CreateAction.php

@@ -53,7 +53,6 @@ class CreateAction
         $vacationRequest->save();
 
         $days = $this->vacationDaysCalculator->calculateDays(
-            $vacationRequest->yearPeriod,
             $vacationRequest->from,
             $vacationRequest->to,
         );

app/Domain/CalendarGenerator.php

@@ -57,6 +57,6 @@ class CalendarGenerator
             ->approved()
             ->with("vacationRequest")
             ->get()
-            ->groupBy(fn(Vacation $vacation) => $vacation->date->toDateString());
+            ->groupBy(fn(Vacation $vacation): string => $vacation->date->toDateString());
     }
 }

app/Domain/DailySummaryRetriever.php

@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain;
+
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Collection;
+use Toby\Domain\Enums\VacationType;
+use Toby\Eloquent\Models\User;
+use Toby\Eloquent\Models\Vacation;
+
+class DailySummaryRetriever
+{
+    public function __construct(
+        protected VacationTypeConfigRetriever $configRetriever,
+    ) {}
+
+    public function getAbsences(Carbon $date): Collection
+    {
+        return Vacation::query()
+            ->with(["user", "vacationRequest"])
+            ->whereDate("date", $date)
+            ->approved()
+            ->whereTypes(
+                VacationType::all()->filter(fn(VacationType $type): bool => $this->configRetriever->isVacation($type)),
+            )
+            ->get();
+    }
+
+    public function getRemoteDays(Carbon $date): Collection
+    {
+        return Vacation::query()
+            ->with(["user", "vacationRequest"])
+            ->whereDate("date", $date)
+            ->approved()
+            ->whereTypes(
+                VacationType::all()->filter(fn(VacationType $type): bool => !$this->configRetriever->isVacation($type)),
+            )
+            ->get();
+    }
+
+    public function getBirthdays(Carbon $date): Collection
+    {
+        return User::query()
+            ->whereRelation("profile", "birthday", $date)
+            ->get();
+    }
+}

app/Domain/Enums/EmploymentForm.php

@@ -21,7 +21,7 @@ enum EmploymentForm: string
         $cases = collect(EmploymentForm::cases());
 
         return $cases->map(
-            fn(EmploymentForm $enum) => [
+            fn(EmploymentForm $enum): array => [
                 "label" => $enum->label(),
                 "value" => $enum->value,
             ],

app/Domain/Enums/Role.php

@@ -21,7 +21,7 @@ enum Role: string
         $cases = collect(Role::cases());
 
         return $cases->map(
-            fn(Role $enum) => [
+            fn(Role $enum): array => [
                 "label" => $enum->label(),
                 "value" => $enum->value,
             ],

app/Domain/Enums/VacationType.php

@@ -30,7 +30,7 @@ enum VacationType: string
         $cases = VacationType::all();
 
         return $cases->map(
-            fn(VacationType $enum) => [
+            fn(VacationType $enum): array => [
                 "label" => $enum->label(),
                 "value" => $enum->value,
             ],

app/Domain/Notifications/Channels.php

@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+class Channels
+{
+    public const MAIL = "mail";
+    public const SLACK = "slack";
+}

app/Domain/Notifications/KeyHasBeenGivenNotification.php

@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Notification;
+use Toby\Eloquent\Models\User;
+
+class KeyHasBeenGivenNotification extends Notification
+{
+    use Queueable;
+
+    public function __construct(
+        protected User $sender,
+        protected User $recipient,
+    ) {}
+
+    public function via(): array
+    {
+        return [Channels::SLACK];
+    }
+
+    public function toSlack(Notifiable $notifiable): string
+    {
+        return __(":sender gives key no :key to :recipient", [
+            "sender" => $this->getName($this->sender),
+            "recipient" => $this->getName($this->recipient),
+            "key" => $notifiable->id,
+        ]);
+    }
+
+    protected function getName(User $user): string
+    {
+        if ($user->profile->slack_id !== null) {
+            return "<@{$user->profile->slack_id}>";
+        }
+
+        return $user->profile->full_name;
+    }
+}

app/Domain/Notifications/KeyHasBeenTakenNotification.php

@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Notification;
+use Toby\Eloquent\Models\User;
+
+class KeyHasBeenTakenNotification extends Notification
+{
+    use Queueable;
+
+    public function __construct(
+        protected User $recipient,
+        protected User $sender,
+    ) {}
+
+    public function via(): array
+    {
+        return [Channels::SLACK];
+    }
+
+    public function toSlack(Notifiable $notifiable): string
+    {
+        return __(":recipient takes key no :key from :sender", [
+            "recipient" => $this->getName($this->recipient),
+            "sender" => $this->getName($this->sender),
+            "key" => $notifiable->id,
+        ]);
+    }
+
+    protected function getName(User $user): string
+    {
+        if ($user->profile->slack_id !== null) {
+            return "<@{$user->profile->slack_id}>";
+        }
+
+        return $user->profile->full_name;
+    }
+}

app/Domain/Notifications/Notifiable.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+interface Notifiable
+{
+    public function notify($instance);
+}

app/Domain/Notifications/VacationRequestCreatedNotification.php

@@ -20,7 +20,17 @@ class VacationRequestCreatedNotification extends Notification
 
     public function via(): array
     {
-        return ["mail"];
+        return [Channels::MAIL, Channels::SLACK];
+    }
+
+    public function toSlack(): string
+    {
+        $url = route("vacation.requests.show", ["vacationRequest" => $this->vacationRequest->id]);
+
+        return implode("\n", [
+            $this->buildDescription(),
+            "<${url}|Zobacz szczegóły>",
+        ]);
     }
 
     /**
@@ -80,18 +90,16 @@ class VacationRequestCreatedNotification extends Notification
     protected function buildDescription(): string
     {
         $name = $this->vacationRequest->name;
-        $appName = config("app.name");
 
         if ($this->vacationRequest->creator()->is($this->vacationRequest->user)) {
-            return __("The vacation request :title has been created correctly in the :appName.", [
+            return __("The vacation request :title from user :user has been created successfully.", [
+                "user" => $this->vacationRequest->user->profile->full_name,
                 "title" => $name,
-                "appName" => $appName,
             ]);
         }
 
-        return __("The vacation request :title has been created correctly by user :creator on your behalf in the :appName.", [
+        return __("The vacation request :title has been created successfully by user :creator on your behalf.", [
             "title" => $this->vacationRequest->name,
-            "appName" => $appName,
             "creator" => $this->vacationRequest->creator->profile->full_name,
         ]);
     }

app/Domain/Notifications/VacationRequestStatusChangedNotification.php

@@ -22,7 +22,17 @@ class VacationRequestStatusChangedNotification extends Notification
 
     public function via(): array
     {
-        return ["mail"];
+        return [Channels::MAIL, Channels::SLACK];
+    }
+
+    public function toSlack(): string
+    {
+        $url = route("vacation.requests.show", ["vacationRequest" => $this->vacationRequest->id]);
+
+        return implode("\n", [
+            $this->buildDescription(),
+            "<${url}|Zobacz szczegóły>",
+        ]);
     }
 
     /**
@@ -43,27 +53,17 @@ class VacationRequestStatusChangedNotification extends Notification
     protected function buildMailMessage(string $url): MailMessage
     {
         $user = $this->user->profile->first_name;
-        $title = $this->vacationRequest->name;
         $type = $this->vacationRequest->type->label();
-        $status = $this->vacationRequest->state->label();
         $from = $this->vacationRequest->from->toDisplayString();
         $to = $this->vacationRequest->to->toDisplayString();
         $days = $this->vacationRequest->vacations()->count();
-        $requester = $this->vacationRequest->user->profile->full_name;
 
         return (new MailMessage())
             ->greeting(__("Hi :user!", [
                 "user" => $user,
             ]))
-            ->subject(__("Vacation request :title has been :status", [
-                "title" => $title,
-                "status" => $status,
-            ]))
-            ->line(__("The vacation request :title from user :requester has been :status.", [
-                "title" => $title,
-                "requester" => $requester,
-                "status" => $status,
-            ]))
+            ->subject($this->buildSubject())
+            ->line($this->buildDescription())
             ->line(__("Vacation type: :type", [
                 "type" => $type,
             ]))
@@ -74,4 +74,21 @@ class VacationRequestStatusChangedNotification extends Notification
             ]))
             ->action(__("Click here for details"), $url);
     }
+
+    protected function buildSubject(): string
+    {
+        return __("Vacation request :title has been :status", [
+            "title" => $this->vacationRequest->name,
+            "status" => $this->vacationRequest->state->label(),
+        ]);
+    }
+
+    protected function buildDescription(): string
+    {
+        return __("The vacation request :title from user :requester has been :status.", [
+            "title" => $this->vacationRequest->name,
+            "requester" => $this->vacationRequest->user->profile->full_name,
+            "status" => $this->vacationRequest->state->label(),
+        ]);
+    }
 }

app/Domain/Notifications/VacationRequestWaitsForApprovalNotification.php

@@ -23,7 +23,17 @@ class VacationRequestWaitsForApprovalNotification extends Notification
 
     public function via(): array
     {
-        return ["mail"];
+        return [Channels::MAIL, Channels::SLACK];
+    }
+
+    public function toSlack(): string
+    {
+        $url = route("vacation.requests.show", ["vacationRequest" => $this->vacationRequest->id]);
+
+        return implode("\n", [
+            $this->buildDescription(),
+            "<${url}|Zobacz szczegóły>",
+        ]);
     }
 
     /**
@@ -99,4 +109,3 @@ class VacationRequestWaitsForApprovalNotification extends Notification
         ]);
     }
 }
-

app/Domain/PolishHolidaysRetriever.php

@@ -26,7 +26,7 @@ class PolishHolidaysRetriever
 
     protected function prepareHolidays(array $holidays): Collection
     {
-        return collect($holidays)->map(fn(Holiday $holiday) => [
+        return collect($holidays)->map(fn(Holiday $holiday): array => [
             "name" => $holiday->getName([static::LANG_KEY]),
             "date" => Carbon::createFromTimestamp($holiday->getTimestamp()),
         ])->values();

app/Domain/TimesheetExport.php

@@ -18,7 +18,7 @@ class TimesheetExport implements WithMultipleSheets
     public function sheets(): array
     {
         return $this->users
-            ->map(fn(User $user) => new TimesheetPerUserSheet($user, $this->month, $this->types))
+            ->map(fn(User $user): TimesheetPerUserSheet => new TimesheetPerUserSheet($user, $this->month, $this->types))
             ->toArray();
     }
 

app/Domain/TimesheetPerUserSheet.php

@@ -193,8 +193,8 @@ class TimesheetPerUserSheet implements WithTitle, WithHeadings, WithEvents, With
             ->get()
             ->groupBy(
                 [
-                    fn(Vacation $vacation) => $vacation->date->toDateString(),
-                    fn(Vacation $vacation) => $vacation->vacationRequest->type->value,
+                    fn(Vacation $vacation): string => $vacation->date->toDateString(),
+                    fn(Vacation $vacation): string => $vacation->vacationRequest->type->value,
                 ],
             );
     }

app/Domain/UserVacationStatsRetriever.php

@@ -42,8 +42,8 @@ class UserVacationStatsRetriever
                     ->states(VacationRequestStatesRetriever::successStates()),
             )
             ->get()
-            ->groupBy(fn(Vacation $vacation) => strtolower($vacation->date->englishMonth))
-            ->map(fn(Collection $items) => $items->count());
+            ->groupBy(fn(Vacation $vacation): string => strtolower($vacation->date->englishMonth))
+            ->map(fn(Collection $items): int => $items->count());
     }
 
     public function getPendingVacationDays(User $user, YearPeriod $yearPeriod): int
@@ -107,13 +107,13 @@ class UserVacationStatsRetriever
     {
         $types = VacationType::all();
 
-        return $types->filter(fn(VacationType $type) => $this->configRetriever->hasLimit($type));
+        return $types->filter(fn(VacationType $type): bool => $this->configRetriever->hasLimit($type));
     }
 
     protected function getNotLimitableVacationTypes(): Collection
     {
         $types = VacationType::all();
 
-        return $types->filter(fn(VacationType $type) => !$this->configRetriever->hasLimit($type));
+        return $types->filter(fn(VacationType $type): bool => !$this->configRetriever->hasLimit($type));
     }
 }

app/Domain/VacationDaysCalculator.php

@@ -11,9 +11,10 @@ use Toby\Eloquent\Models\YearPeriod;
 
 class VacationDaysCalculator
 {
-    public function calculateDays(YearPeriod $yearPeriod, CarbonInterface $from, CarbonInterface $to): Collection
+    public function calculateDays(CarbonInterface $from, CarbonInterface $to): Collection
     {
         $period = CarbonPeriod::create($from, $to);
+        $yearPeriod = YearPeriod::findByYear($from->year);
         $holidays = $yearPeriod->holidays()->pluck("date");
 
         $validDays = new Collection();

app/Domain/Validation/Rules/DoesNotExceedLimitRule.php

@@ -29,7 +29,7 @@ class DoesNotExceedLimitRule implements VacationRequestRule
 
         $limit = $this->getUserVacationLimit($vacationRequest->user, $vacationRequest->yearPeriod);
         $vacationDays = $this->getVacationDaysWithLimit($vacationRequest->user, $vacationRequest->yearPeriod);
-        $estimatedDays = $this->vacationDaysCalculator->calculateDays($vacationRequest->yearPeriod, $vacationRequest->from, $vacationRequest->to)->count();
+        $estimatedDays = $this->vacationDaysCalculator->calculateDays($vacationRequest->from, $vacationRequest->to)->count();
 
         return $limit >= ($vacationDays + $estimatedDays);
     }
@@ -64,6 +64,6 @@ class DoesNotExceedLimitRule implements VacationRequestRule
     {
         $types = VacationType::all();
 
-        return $types->filter(fn(VacationType $type) => $this->configRetriever->hasLimit($type));
+        return $types->filter(fn(VacationType $type): bool => $this->configRetriever->hasLimit($type));
     }
 }

app/Domain/Validation/Rules/MinimumOneVacationDayRule.php

@@ -16,7 +16,7 @@ class MinimumOneVacationDayRule implements VacationRequestRule
     public function check(VacationRequest $vacationRequest): bool
     {
         return $this->vacationDaysCalculator
-            ->calculateDays($vacationRequest->yearPeriod, $vacationRequest->from, $vacationRequest->to)
+            ->calculateDays($vacationRequest->from, $vacationRequest->to)
             ->isNotEmpty();
     }
 

app/Domain/Validation/Rules/VacationRequestRule.php

@@ -9,5 +9,6 @@ use Toby\Eloquent\Models\VacationRequest;
 interface VacationRequestRule
 {
     public function check(VacationRequest $vacationRequest): bool;
+
     public function errorMessage(): string;
 }

app/Domain/Validation/Rules/VacationTypeCanBeSelected.php

@@ -19,7 +19,7 @@ class VacationTypeCanBeSelected implements VacationRequestRule
         $employmentForm = $vacationRequest->user->profile->employment_form;
 
         $availableTypes = VacationType::all()
-            ->filter(fn(VacationType $type) => $this->configRetriever->isAvailableFor($type, $employmentForm));
+            ->filter(fn(VacationType $type): bool => $this->configRetriever->isAvailableFor($type, $employmentForm));
 
         return $availableTypes->contains($vacationRequest->type);
     }

app/Eloquent/Helpers/YearPeriodRetriever.php

@@ -35,7 +35,7 @@ class YearPeriodRetriever
 
         $years = YearPeriod::all();
 
-        $navigation = $years->map(fn(YearPeriod $yearPeriod) => $this->toNavigation($yearPeriod));
+        $navigation = $years->map(fn(YearPeriod $yearPeriod): array => $this->toNavigation($yearPeriod));
 
         return [
             "current" => $this->toNavigation($current),

app/Eloquent/Models/Holiday.php

@@ -21,7 +21,6 @@ class Holiday extends Model
     use HasFactory;
 
     protected $guarded = [];
-
     protected $casts = [
         "date" => "date",
     ];

app/Eloquent/Models/Key.php

@@ -8,14 +8,17 @@ use Database\Factories\KeyFactory;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Notifications\Notifiable;
+use Toby\Domain\Notifications\Notifiable as NotifiableInterface;
 
 /**
  * @property int $id
  * @property User $user
  */
-class Key extends Model
+class Key extends Model implements NotifiableInterface
 {
     use HasFactory;
+    use Notifiable;
 
     protected $guarded = [];
 
@@ -24,6 +27,11 @@ class Key extends Model
         return $this->belongsTo(User::class);
     }
 
+    public function routeNotificationForSlack(): string
+    {
+        return config("services.slack.default_channel");
+    }
+
     protected static function newFactory(): KeyFactory
     {
         return KeyFactory::new();

app/Eloquent/Models/Profile.php

@@ -19,6 +19,7 @@ use Toby\Eloquent\Helpers\ColorGenerator;
  * @property string $position
  * @property EmploymentForm $employment_form
  * @property Carbon $employment_date
+ * @property Carbon $birthday
  */
 class Profile extends Model
 {
@@ -26,12 +27,11 @@ class Profile extends Model
     use HasAvatar;
 
     protected $primaryKey = "user_id";
-
     protected $guarded = [];
-
     protected $casts = [
         "employment_form" => EmploymentForm::class,
         "employment_date" => "date",
+        "birthday" => "date",
     ];
 
     public function user(): BelongsTo

app/Eloquent/Models/User.php

@@ -15,6 +15,7 @@ use Illuminate\Notifications\Notifiable;
 use Illuminate\Support\Collection;
 use Toby\Domain\Enums\EmploymentForm;
 use Toby\Domain\Enums\Role;
+use Toby\Domain\Notifications\Notifiable as NotifiableInterface;
 
 /**
  * @property int $id
@@ -26,25 +27,22 @@ use Toby\Domain\Enums\Role;
  * @property Collection $vacationRequests
  * @property Collection $vacations
  */
-class User extends Authenticatable
+class User extends Authenticatable implements NotifiableInterface
 {
     use HasFactory;
     use Notifiable;
     use SoftDeletes;
 
     protected $guarded = [];
-
     protected $casts = [
         "role" => Role::class,
         "last_active_at" => "datetime",
         "employment_form" => EmploymentForm::class,
         "employment_date" => "date",
     ];
-
     protected $hidden = [
         "remember_token",
     ];
-
     protected $with = [
         "profile",
     ];
@@ -102,7 +100,7 @@ class User extends Authenticatable
             ->where("email", "ILIKE", "%{$text}%")
             ->orWhereRelation(
                 "profile",
-                fn(Builder $query) => $query
+                fn(Builder $query): Builder => $query
                     ->where("first_name", "ILIKE", "%{$text}%")
                     ->orWhere("last_name", "ILIKE", "%{$text}%"),
             );
@@ -125,6 +123,11 @@ class User extends Authenticatable
         );
     }
 
+    public function routeNotificationForSlack()
+    {
+        return $this->profile->slack_id;
+    }
+
     protected static function newFactory(): UserFactory
     {
         return UserFactory::new();

app/Eloquent/Models/VacationRequest.php

@@ -41,7 +41,6 @@ class VacationRequest extends Model
     use HasStates;
 
     protected $guarded = [];
-
     protected $casts = [
         "type" => VacationType::class,
         "state" => VacationRequestState::class,

app/Eloquent/Models/VacationRequestActivity.php

@@ -22,7 +22,6 @@ class VacationRequestActivity extends Model
     use HasFactory;
 
     protected $guarded = [];
-
     protected $casts = [
         "from" => VacationRequestState::class,
         "to" => VacationRequestState::class,

app/Infrastructure/Console/Commands/SendDailySummaryToSlack.php

@@ -0,0 +1,79 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Console\Commands;
+
+use Carbon\CarbonInterface;
+use Illuminate\Console\Command;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\Http;
+use Toby\Domain\DailySummaryRetriever;
+use Toby\Eloquent\Models\Holiday;
+use Toby\Infrastructure\Slack\Elements\AbsencesAttachment;
+use Toby\Infrastructure\Slack\Elements\BirthdaysAttachment;
+use Toby\Infrastructure\Slack\Elements\RemotesAttachment;
+
+class SendDailySummaryToSlack extends Command
+{
+    protected $signature = "toby:slack:daily-summary {--f|force}";
+    protected $description = "Sent daily summary to slack";
+
+    public function handle(DailySummaryRetriever $dailySummaryRetriever): void
+    {
+        $now = Carbon::today();
+
+        if (!$this->option("force") && !$this->shouldHandle($now)) {
+            return;
+        }
+
+        $attachments = new Collection([
+            new AbsencesAttachment($dailySummaryRetriever->getAbsences($now)),
+            new RemotesAttachment($dailySummaryRetriever->getRemoteDays($now)),
+            new BirthdaysAttachment($dailySummaryRetriever->getBirthdays($now)),
+        ]);
+
+        Http::withToken($this->getSlackClientToken())
+            ->post($this->getUrl(), [
+                "channel" => $this->getSlackChannel(),
+                "text" => "Podsumowanie dla dnia {$now->toDisplayString()}",
+                "attachments" => $attachments,
+            ]);
+    }
+
+    protected function shouldHandle(CarbonInterface $day): bool
+    {
+        $holidays = Holiday::query()->whereDate("date", $day)->pluck("date");
+
+        if ($day->isWeekend()) {
+            return false;
+        }
+
+        if ($holidays->contains($day)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    protected function getUrl(): string
+    {
+        return "{$this->getSlackBaseUrl()}/chat.postMessage";
+    }
+
+    protected function getSlackBaseUrl(): ?string
+    {
+        return config("services.slack.url");
+    }
+
+    protected function getSlackClientToken(): ?string
+    {
+        return config("services.slack.client_token");
+    }
+
+    protected function getSlackChannel(): ?string
+    {
+        return config("services.slack.default_channel");
+    }
+}

app/Infrastructure/Http/Controllers/Api/CalculateVacationDaysController.php

@@ -14,8 +14,8 @@ class CalculateVacationDaysController extends Controller
 {
     public function __invoke(CalculateVacationDaysRequest $request, VacationDaysCalculator $calculator): JsonResponse
     {
-        $days = $calculator->calculateDays($request->yearPeriod(), $request->from(), $request->to());
+        $days = $calculator->calculateDays($request->from(), $request->to());
 
-        return new JsonResponse($days->map(fn(Carbon $day) => $day->toDateString())->all());
+        return new JsonResponse($days->map(fn(Carbon $day): string => $day->toDateString())->all());
     }
 }

app/Infrastructure/Http/Controllers/Api/GetAvailableVacationTypesController.php

@@ -21,8 +21,8 @@ class GetAvailableVacationTypesController extends Controller
         $user = User::query()->find($request->get("user"));
 
         $types = VacationType::all()
-            ->filter(fn(VacationType $type) => $configRetriever->isAvailableFor($type, $user->profile->employment_form))
-            ->map(fn(VacationType $type) => [
+            ->filter(fn(VacationType $type): bool => $configRetriever->isAvailableFor($type, $user->profile->employment_form))
+            ->map(fn(VacationType $type): array => [
                 "label" => $type->label(),
                 "value" => $type->value,
             ])

app/Infrastructure/Http/Controllers/DashboardController.php

@@ -7,12 +7,11 @@ namespace Toby\Infrastructure\Http\Controllers;
 use Illuminate\Http\Request;
 use Illuminate\Support\Carbon;
 use Inertia\Response;
-use Toby\Domain\Enums\VacationType;
+use Toby\Domain\DailySummaryRetriever;
 use Toby\Domain\UserVacationStatsRetriever;
 use Toby\Domain\VacationRequestStatesRetriever;
 use Toby\Domain\VacationTypeConfigRetriever;
 use Toby\Eloquent\Helpers\YearPeriodRetriever;
-use Toby\Eloquent\Models\Vacation;
 use Toby\Eloquent\Models\VacationRequest;
 use Toby\Infrastructure\Http\Resources\HolidayResource;
 use Toby\Infrastructure\Http\Resources\VacationRequestResource;
@@ -25,24 +24,14 @@ class DashboardController extends Controller
         YearPeriodRetriever $yearPeriodRetriever,
         UserVacationStatsRetriever $vacationStatsRetriever,
         VacationTypeConfigRetriever $configRetriever,
+        DailySummaryRetriever $dailySummaryRetriever,
     ): Response {
         $user = $request->user();
         $now = Carbon::now();
         $yearPeriod = $yearPeriodRetriever->selected();
 
-        $absences = Vacation::query()
-            ->with(["user", "vacationRequest"])
-            ->whereDate("date", $now)
-            ->approved()
-            ->whereTypes(VacationType::all()->filter(fn(VacationType $type) => $configRetriever->isVacation($type)))
-            ->get();
-
-        $remoteDays = Vacation::query()
-            ->with(["user", "vacationRequest"])
-            ->whereDate("date", $now)
-            ->approved()
-            ->whereTypes(VacationType::all()->filter(fn(VacationType $type) => !$configRetriever->isVacation($type)))
-            ->get();
+        $absences = $dailySummaryRetriever->getAbsences($now);
+        $remoteDays = $dailySummaryRetriever->getRemoteDays($now);
 
         if ($user->can("listAll", VacationRequest::class)) {
             $vacationRequests = $yearPeriod->vacationRequests()

app/Infrastructure/Http/Controllers/KeysController.php

@@ -8,6 +8,8 @@ use Illuminate\Auth\Access\AuthorizationException;
 use Illuminate\Http\Request;
 use Inertia\Response;
 use Symfony\Component\HttpFoundation\RedirectResponse;
+use Toby\Domain\Notifications\KeyHasBeenGivenNotification;
+use Toby\Domain\Notifications\KeyHasBeenTakenNotification;
 use Toby\Eloquent\Models\Key;
 use Toby\Eloquent\Models\User;
 use Toby\Infrastructure\Http\Requests\GiveKeyRequest;
@@ -60,6 +62,8 @@ class KeysController extends Controller
 
         $key->save();
 
+        $key->notify(new KeyHasBeenTakenNotification($request->user(), $previousUser));
+
         return redirect()
             ->back()
             ->with("success", __("Key no :number has been taken from :user.", [
@@ -81,6 +85,8 @@ class KeysController extends Controller
 
         $key->save();
 
+        $key->notify(new KeyHasBeenGivenNotification($request->user(), $recipient));
+
         return redirect()
             ->back()
             ->with("success", __("Key no :number has been given to :user.", [

app/Infrastructure/Http/Controllers/TimesheetController.php

@@ -35,8 +35,10 @@ class TimesheetController extends Controller
 
         $types = VacationType::all()
             ->filter(
-                fn(VacationType $type) => $configRetriever->isAvailableFor($type, EmploymentForm::EmploymentContract)
-                    && $configRetriever->isVacation($type),
+                fn(VacationType $type): bool => $configRetriever->isAvailableFor(
+                    $type,
+                    EmploymentForm::EmploymentContract,
+                ) && $configRetriever->isVacation($type),
             );
 
         $filename = "{$carbonMonth->translatedFormat("F Y")}.xlsx";

app/Infrastructure/Http/Controllers/VacationLimitController.php

@@ -30,7 +30,7 @@ class VacationLimitController extends Controller
             ->sortBy(fn(VacationLimit $limit): string => "{$limit->user->profile->last_name} {$limit->user->profile->first_name}")
             ->values();
 
-        $limitsResource = $limits->map(fn(VacationLimit $limit) => [
+        $limitsResource = $limits->map(fn(VacationLimit $limit): array => [
             "id" => $limit->id,
             "user" => new UserResource($limit->user),
             "hasVacation" => $limit->hasVacation(),

app/Infrastructure/Http/Kernel.php

@@ -40,7 +40,6 @@ class Kernel extends HttpKernel
         TrimStrings::class,
         ConvertEmptyStringsToNull::class,
     ];
-
     protected $middlewareGroups = [
         "web" => [
             EncryptCookies::class,
@@ -58,7 +57,6 @@ class Kernel extends HttpKernel
             SubstituteBindings::class,
         ],
     ];
-
     protected $routeMiddleware = [
         "auth" => Authenticate::class,
         "auth.basic" => AuthenticateWithBasicAuth::class,

app/Infrastructure/Http/Middleware/HandleInertiaRequests.php

@@ -32,7 +32,7 @@ class HandleInertiaRequests extends Middleware
     {
         $user = $request->user();
 
-        return fn() => [
+        return fn(): array => [
             "user" => $user ? new UserResource($user) : null,
             "can" => [
                 "manageVacationLimits" => $user ? $user->can("manageVacationLimits") : false,
@@ -45,7 +45,7 @@ class HandleInertiaRequests extends Middleware
 
     protected function getFlashData(Request $request): Closure
     {
-        return fn() => [
+        return fn(): array => [
             "success" => $request->session()->get("success"),
             "error" => $request->session()->get("error"),
             "info" => $request->session()->get("info"),

app/Infrastructure/Http/Requests/UserRequest.php

@@ -22,6 +22,8 @@ class UserRequest extends FormRequest
             "position" => ["required"],
             "employmentForm" => ["required", new Enum(EmploymentForm::class)],
             "employmentDate" => ["required", "date_format:Y-m-d"],
+            "birthday" => ["nullable", "date_format:Y-m-d"],
+            "slackId" => [],
         ];
     }
 
@@ -41,6 +43,8 @@ class UserRequest extends FormRequest
             "position" => $this->get("position"),
             "employment_form" => $this->get("employmentForm"),
             "employment_date" => $this->get("employmentDate"),
+            "birthday" => $this->get("birthday"),
+            "slack_id" => $this->get("slackId"),
         ];
     }
 }

app/Infrastructure/Http/Resources/UserFormDataResource.php

@@ -21,6 +21,8 @@ class UserFormDataResource extends JsonResource
             "position" => $this->profile->position,
             "employmentForm" => $this->profile->employment_form,
             "employmentDate" => $this->profile->employment_date->toDateString(),
+            "birthday" => $this->profile->birthday?->toDateString(),
+            "slackId" => $this->profile->slack_id,
         ];
     }
 }

app/Infrastructure/Slack/Channels/SlackApiChannel.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Channels;
+
+use Illuminate\Http\Client\Response;
+use Illuminate\Notifications\Notification;
+use Illuminate\Support\Facades\Http;
+use Toby\Domain\Notifications\Notifiable;
+
+class SlackApiChannel
+{
+    public function send(Notifiable $notifiable, Notification $notification): Response
+    {
+        $baseUrl = $this->getBaseUrl();
+        $url = "{$baseUrl}/chat.postMessage";
+        $channel = $notifiable->routeNotificationFor("slack", $notification);
+
+        return Http::withToken($this->getClientToken())
+            ->post($url, [
+                "channel" => $channel,
+                "text" => $notification->toSlack($notifiable),
+            ]);
+    }
+
+    protected function getClientToken(): string
+    {
+        return config("services.slack.client_token");
+    }
+
+    protected function getBaseUrl(): string
+    {
+        return config("services.slack.url");
+    }
+}

app/Infrastructure/Slack/Controller.php

@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack;
+
+use Exception;
+use Illuminate\Http\Request as IlluminateRequest;
+use Illuminate\Http\Response as IlluminateResponse;
+use Illuminate\Support\Collection;
+use Illuminate\Validation\ValidationException;
+use Spatie\SlashCommand\Attachment;
+use Spatie\SlashCommand\Controller as SlackController;
+use Spatie\SlashCommand\Exceptions\InvalidRequest;
+use Spatie\SlashCommand\Exceptions\RequestCouldNotBeHandled;
+use Spatie\SlashCommand\Exceptions\SlackSlashCommandException;
+use Spatie\SlashCommand\Response;
+
+class Controller extends SlackController
+{
+    /**
+     * @throws InvalidRequest|RequestCouldNotBeHandled
+     */
+    public function getResponse(IlluminateRequest $request): IlluminateResponse
+    {
+        $this->verifyWithSigning($request);
+
+        $handler = $this->determineHandler();
+
+        try {
+            $response = $handler->handle($this->request);
+        } catch (SlackSlashCommandException $exception) {
+            $response = $exception->getResponse($this->request);
+        } catch (ValidationException $exception) {
+            $response = $this->prepareValidationResponse($exception);
+        } catch (Exception $exception) {
+            $response = $this->convertToResponse($exception);
+        }
+
+        return $response->getIlluminateResponse();
+    }
+
+    protected function prepareValidationResponse(ValidationException $exception): Response
+    {
+        $errors = (new Collection($exception->errors()))
+            ->map(
+                fn(array $message): Attachment => Attachment::create()
+                    ->setColor("danger")
+                    ->setText($message[0]),
+            );
+
+        return Response::create($this->request)
+            ->withText(":x: Polecenie `/{$this->request->command} {$this->request->text}` jest niepoprawne:")
+            ->withAttachments($errors->all());
+    }
+}

app/Infrastructure/Slack/Elements/AbsencesAttachment.php

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Elements;
+
+use Illuminate\Support\Collection;
+use Toby\Eloquent\Models\Vacation;
+
+class AbsencesAttachment extends ListAttachment
+{
+    public function __construct(Collection $absences)
+    {
+        parent::__construct();
+
+        $this
+            ->setTitle("Nieobecności :palm_tree:")
+            ->setColor("#eab308")
+            ->setItems($absences->map(fn(Vacation $vacation): string => $vacation->user->profile->full_name))
+            ->setEmptyText("Wszyscy dzisiaj pracują :muscle:");
+    }
+}

app/Infrastructure/Slack/Elements/Attachment.php

@@ -0,0 +1,12 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Elements;
+
+use Illuminate\Contracts\Support\Arrayable;
+use Spatie\SlashCommand\Attachment as BaseAttachment;
+
+class Attachment extends BaseAttachment implements Arrayable
+{
+}

app/Infrastructure/Slack/Elements/BirthdaysAttachment.php

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Elements;
+
+use Illuminate\Support\Collection;
+use Toby\Eloquent\Models\User;
+
+class BirthdaysAttachment extends ListAttachment
+{
+    public function __construct(Collection $birthdays)
+    {
+        parent::__construct();
+
+        $this
+            ->setTitle("Urodziny :birthday:")
+            ->setColor("#3c5f97")
+            ->setItems($birthdays->map(fn(User $user): string => $user->profile->full_name))
+            ->setEmptyText("Dzisiaj nikt nie ma urodzin :cry:");
+    }
+}

app/Infrastructure/Slack/Elements/KeysAttachment.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Elements;
+
+use Illuminate\Support\Collection;
+use Toby\Eloquent\Models\Key;
+
+class KeysAttachment extends ListAttachment
+{
+    public function __construct(Collection $keys)
+    {
+        parent::__construct();
+
+        $this
+            ->setColor("#3c5f97")
+            ->setItems($keys->map(fn(Key $key): string => "Klucz nr {$key->id} - <@{$key->user->profile->slack_id}>"))
+            ->setEmptyText("Nie ma żadnych kluczy w tobym");
+    }
+}

app/Infrastructure/Slack/Elements/ListAttachment.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Elements;
+
+use Illuminate\Support\Collection;
+
+class ListAttachment extends Attachment
+{
+    protected Collection $items;
+    protected string $emptyText = "";
+
+    public function setItems(Collection $items): static
+    {
+        $this->items = $items;
+
+        return $this;
+    }
+
+    public function setEmptyText(string $emptyText): static
+    {
+        $this->emptyText = $emptyText;
+
+        return $this;
+    }
+
+    public function toArray(): array
+    {
+        $fields = parent::toArray();
+
+        return array_merge($fields, [
+            "text" => $this->items->isNotEmpty() ? $this->items->implode("\n") : $this->emptyText,
+        ]);
+    }
+}

app/Infrastructure/Slack/Elements/RemotesAttachment.php

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Elements;
+
+use Illuminate\Support\Collection;
+use Toby\Eloquent\Models\Vacation;
+
+class RemotesAttachment extends ListAttachment
+{
+    public function __construct(Collection $remoteDays)
+    {
+        parent::__construct();
+
+        $this
+            ->setTitle("Praca zdalna :house_with_garden:")
+            ->setColor("#527aba")
+            ->setItems($remoteDays->map(fn(Vacation $vacation): string => $vacation->user->profile->full_name))
+            ->setEmptyText("Wszyscy dzisiaj są w biurze :boom:");
+    }
+}

app/Infrastructure/Slack/Exceptions/UserNotFoundException.php

@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Exceptions;
+
+use Spatie\SlashCommand\Exceptions\SlackSlashCommandException;
+
+class UserNotFoundException extends SlackSlashCommandException
+{
+}

app/Infrastructure/Slack/Handlers/CatchAll.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Handlers;
+
+use Spatie\SlashCommand\Handlers\BaseHandler;
+use Spatie\SlashCommand\Request;
+use Spatie\SlashCommand\Response;
+use Toby\Infrastructure\Slack\Elements\Attachment;
+use Toby\Infrastructure\Slack\Traits\ListsHandlers;
+
+class CatchAll extends BaseHandler
+{
+    use ListsHandlers;
+
+    public function canHandle(Request $request): bool
+    {
+        return true;
+    }
+
+    public function handle(Request $request): Response
+    {
+        $handlers = $this->findAvailableHandlers();
+        $attachmentFields = $this->mapHandlersToAttachments($handlers);
+
+        return $this->respondToSlack(":x: Nie rozpoznaję polecenia. Lista wszystkich poleceń:")
+            ->withAttachment(
+                Attachment::create()
+                    ->setColor("danger")
+                    ->useMarkdown()
+                    ->setFields($attachmentFields),
+            );
+    }
+}

app/Infrastructure/Slack/Handlers/DailySummary.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Handlers;
+
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Collection;
+use Spatie\SlashCommand\Request;
+use Spatie\SlashCommand\Response;
+use Toby\Domain\DailySummaryRetriever;
+use Toby\Infrastructure\Slack\Elements\AbsencesAttachment;
+use Toby\Infrastructure\Slack\Elements\BirthdaysAttachment;
+use Toby\Infrastructure\Slack\Elements\RemotesAttachment;
+
+class DailySummary extends SignatureHandler
+{
+    protected $signature = "toby dzisiaj";
+    protected $description = "Codzienne podsumowanie";
+
+    public function handle(Request $request): Response
+    {
+        $dailySummaryRetriever = app()->make(DailySummaryRetriever::class);
+
+        $now = Carbon::today();
+
+        $attachments = new Collection([
+            new AbsencesAttachment($dailySummaryRetriever->getAbsences($now)),
+            new RemotesAttachment($dailySummaryRetriever->getRemoteDays($now)),
+            new BirthdaysAttachment($dailySummaryRetriever->getBirthdays($now)),
+        ]);
+
+        return $this->respondToSlack("Podsumowanie dla dnia {$now->toDisplayString()}")
+            ->withAttachments($attachments->all());
+    }
+}

app/Infrastructure/Slack/Handlers/GiveKeysTo.php

@@ -0,0 +1,71 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Handlers;
+
+use Illuminate\Validation\ValidationException;
+use Spatie\SlashCommand\Request;
+use Spatie\SlashCommand\Response;
+use Toby\Domain\Notifications\KeyHasBeenGivenNotification;
+use Toby\Eloquent\Models\Key;
+use Toby\Infrastructure\Slack\Exceptions\UserNotFoundException;
+use Toby\Infrastructure\Slack\Rules\SlackUserExistsRule;
+use Toby\Infrastructure\Slack\Traits\FindsUserBySlackId;
+
+class GiveKeysTo extends SignatureHandler
+{
+    use FindsUserBySlackId;
+
+    protected $signature = "toby klucze:dla {user}";
+    protected $description = "Przekaż klucze wskazanemu użytkownikowi";
+
+    /**
+     * @throws UserNotFoundException
+     * @throws ValidationException
+     */
+    public function handle(Request $request): Response
+    {
+        ["user" => $from] = $this->validate();
+
+        $authUser = $this->findUserBySlackIdOrFail($request->userId);
+        $user = $this->findUserBySlackId($from);
+
+        /** @var Key $key */
+        $key = $authUser->keys()->first();
+
+        if (!$key) {
+            throw ValidationException::withMessages(["key" => "Nie masz żadnego klucza do przekazania"]);
+        }
+
+        if ($user->is($authUser)) {
+            throw ValidationException::withMessages([
+                "key" => "Nie możesz przekazać sobie kluczy :dzban:",
+            ]);
+        }
+
+        $key->user()->associate($user);
+
+        $key->save();
+
+        $key->notify(new KeyHasBeenGivenNotification($authUser, $user));
+
+        return $this->respondToSlack(
+            ":white_check_mark: Klucz nr {$key->id} został przekazany użytkownikowi <@{$user->profile->slack_id}>",
+        );
+    }
+
+    protected function getRules(): array
+    {
+        return [
+            "user" => ["required", new SlackUserExistsRule()],
+        ];
+    }
+
+    protected function getMessages(): array
+    {
+        return [
+            "user.required" => "Musisz podać użytkownika, któremu chcesz przekazać klucze",
+        ];
+    }
+}

app/Infrastructure/Slack/Handlers/Help.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Handlers;
+
+use Spatie\SlashCommand\Request;
+use Spatie\SlashCommand\Response;
+use Toby\Infrastructure\Slack\Elements\Attachment;
+use Toby\Infrastructure\Slack\Traits\ListsHandlers;
+
+class Help extends SignatureHandler
+{
+    use ListsHandlers;
+
+    protected $signature = "toby pomoc";
+    protected $description = "Wyświetl wszystkie dostępne polecenia";
+
+    public function handle(Request $request): Response
+    {
+        $handlers = $this->findAvailableHandlers();
+
+        $attachmentFields = $this->mapHandlersToAttachments($handlers);
+
+        return $this->respondToSlack("Dostępne polecenia:")
+            ->withAttachment(
+                Attachment::create()
+                    ->setColor("good")
+                    ->useMarkdown()
+                    ->setFields($attachmentFields),
+            );
+    }
+}

app/Infrastructure/Slack/Handlers/HomeOffice.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Handlers;
+
+use Illuminate\Support\Carbon;
+use Spatie\SlashCommand\Request;
+use Spatie\SlashCommand\Response;
+use Toby\Domain\Actions\VacationRequest\CreateAction;
+use Toby\Domain\Enums\VacationType;
+use Toby\Eloquent\Models\User;
+use Toby\Eloquent\Models\YearPeriod;
+use Toby\Infrastructure\Slack\Traits\FindsUserBySlackId;
+
+class HomeOffice extends SignatureHandler
+{
+    use FindsUserBySlackId;
+
+    protected $signature = "toby zdalnie";
+    protected $description = "Pracuj dzisiaj zdalnie";
+
+    public function handle(Request $request): Response
+    {
+        $user = $this->findUserBySlackId($request->userId);
+
+        $this->createRemoteday($user, Carbon::today());
+
+        return $this->respondToSlack(":white_check_mark: Pracujesz dzisiaj zdalnie");
+    }
+
+    protected function createRemoteday(User $user, Carbon $date): void
+    {
+        $yearPeriod = YearPeriod::findByYear($date->year);
+
+        app(CreateAction::class)->execute([
+            "user_id" => $user->id,
+            "type" => VacationType::HomeOffice,
+            "from" => $date,
+            "to" => $date,
+            "year_period_id" => $yearPeriod->id,
+            "flow_skipped" => false,
+        ], $user);
+    }
+}

app/Infrastructure/Slack/Handlers/KeyList.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Handlers;
+
+use Spatie\SlashCommand\Request;
+use Spatie\SlashCommand\Response;
+use Toby\Eloquent\Models\Key;
+use Toby\Infrastructure\Slack\Elements\KeysAttachment;
+
+class KeyList extends SignatureHandler
+{
+    protected $signature = "toby klucze";
+    protected $description = "Lista wszystkich kluczy";
+
+    public function handle(Request $request): Response
+    {
+        $keys = Key::query()
+            ->orderBy("id")
+            ->get();
+
+        return $this->respondToSlack("Lista kluczy :key:")
+            ->withAttachment(new KeysAttachment($keys));
+    }
+}

app/Infrastructure/Slack/Handlers/SignatureHandler.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Handlers;
+
+use Illuminate\Support\Facades\Validator;
+use Spatie\SlashCommand\Handlers\SignatureHandler as BaseSignatureHandler;
+
+abstract class SignatureHandler extends BaseSignatureHandler
+{
+    public function validate()
+    {
+        return Validator::validate($this->getArguments(), $this->getRules(), $this->getMessages());
+    }
+
+    protected function getRules(): array
+    {
+        return [];
+    }
+
+    protected function getMessages(): array
+    {
+        return [];
+    }
+}

app/Infrastructure/Slack/Handlers/TakeKeysFrom.php

@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Handlers;
+
+use Illuminate\Validation\ValidationException;
+use Spatie\SlashCommand\Request;
+use Spatie\SlashCommand\Response;
+use Toby\Domain\Notifications\KeyHasBeenTakenNotification;
+use Toby\Eloquent\Models\Key;
+use Toby\Infrastructure\Slack\Exceptions\UserNotFoundException;
+use Toby\Infrastructure\Slack\Rules\SlackUserExistsRule;
+use Toby\Infrastructure\Slack\Traits\FindsUserBySlackId;
+
+class TakeKeysFrom extends SignatureHandler
+{
+    use FindsUserBySlackId;
+
+    protected $signature = "toby klucze:od {user}";
+    protected $description = "Zabierz klucze wskazanemu użytkownikowi";
+
+    /**
+     * @throws UserNotFoundException|ValidationException
+     */
+    public function handle(Request $request): Response
+    {
+        ["user" => $from] = $this->validate();
+
+        $authUser = $this->findUserBySlackIdOrFail($request->userId);
+        $user = $this->findUserBySlackId($from);
+
+        /** @var Key $key */
+        $key = $user->keys()->first();
+
+        if (!$key) {
+            throw ValidationException::withMessages([
+                "key" => "Użytkownik <@{$user->profile->slack_id}> nie ma żadnych kluczy",
+            ]);
+        }
+
+        if ($key->user()->is($authUser)) {
+            throw ValidationException::withMessages([
+                "key" => "Nie możesz zabrać sobie kluczy :dzban:",
+            ]);
+        }
+
+        $key->user()->associate($authUser);
+
+        $key->save();
+
+        $key->notify(new KeyHasBeenTakenNotification($authUser, $user));
+
+        return $this->respondToSlack(":white_check_mark: Klucz nr {$key->id} został zabrany użytkownikowi <@{$user->profile->slack_id}>");
+    }
+
+    protected function getRules(): array
+    {
+        return [
+            "user" => ["required", new SlackUserExistsRule()],
+        ];
+    }
+
+    protected function getMessages(): array
+    {
+        return [
+            "user.required" => "Musisz podać użytkownika, któremu chcesz zabrać klucze",
+        ];
+    }
+}

app/Infrastructure/Slack/Rules/SlackUserExistsRule.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Slack\Rules;
+
+use Illuminate\Contracts\Validation\Rule;
+use Illuminate\Support\Str;
+use Toby\Eloquent\Models\Profile;
+
+class SlackUserExistsRule implements Rule
+{
+    public function passes($attribute, $value): bool
+    {
+        $slackId = Str::between($value, "<@", "|");
+
+        return Profile::query()->where("slack_id", $slackId)->exists();
+    }
+
+    public function message(): string
+    {
+        return "Użytkownik :input nie istnieje w tobym";
+    }
+}

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();
+    }
+}