Merge branch '#22-vacation-calendar' into #41-email-notifications

app/Domain/CalendarGenerator.php

@@ -0,0 +1,80 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain;
+
+use Carbon\CarbonImmutable;
+use Carbon\CarbonInterface;
+use Carbon\CarbonPeriod;
+use Illuminate\Support\Collection;
+use Toby\Domain\Enums\VacationRequestState;
+use Toby\Eloquent\Helpers\YearPeriodRetriever;
+use Toby\Eloquent\Models\Vacation;
+use Toby\Eloquent\Models\YearPeriod;
+
+class CalendarGenerator
+{
+    public function __construct(
+        protected YearPeriodRetriever $yearPeriodRetriever,
+    ) {
+    }
+
+    public function generate(YearPeriod $yearPeriod, string $month): array
+    {
+        $date = CarbonImmutable::create($yearPeriod->year, $this->monthNameToNumber($month));
+        $period = CarbonPeriod::create($date->startOfMonth(), $date->endOfMonth());
+        $holidays = $yearPeriod->holidays()->pluck("date");
+
+        return $this->generateCalendar($period, $holidays);
+    }
+
+    protected function monthNameToNumber($name): int
+    {
+        return match ($name) {
+            default => CarbonInterface::JANUARY,
+            "february" => CarbonInterface::FEBRUARY,
+            "march" => CarbonInterface::MARCH,
+            "april" => CarbonInterface::APRIL,
+            "may" => CarbonInterface::MAY,
+            "june" => CarbonInterface::JUNE,
+            "july" => CarbonInterface::JULY,
+            "august" => CarbonInterface::AUGUST,
+            "september" => CarbonInterface::SEPTEMBER,
+            "october" => CarbonInterface::OCTOBER,
+            "november" => CarbonInterface::NOVEMBER,
+            "december" => CarbonInterface::DECEMBER,
+        };
+    }
+
+    protected function generateCalendar(CarbonPeriod $period, Collection $holidays): array
+    {
+        $calendar = [];
+        $vacations = $this->getVacationsForPeriod($period);
+
+        foreach ($period as $day) {
+            $vacationsForDay = $vacations[$day->toDateString()] ?? new Collection();
+
+            $calendar[] = [
+                "date" => $day->toDateString(),
+                "dayOfMonth" => $day->translatedFormat("j"),
+                "dayOfWeek" => $day->translatedFormat("D"),
+                "isToday" => $day->isToday(),
+                "isWeekend" => $day->isWeekend(),
+                "isHoliday" => $holidays->contains($day),
+                "vacations" => $vacationsForDay->pluck("user_id"),
+            ];
+        }
+
+        return $calendar;
+    }
+
+    protected function getVacationsForPeriod(CarbonPeriod $period): Collection
+    {
+        return Vacation::query()
+            ->whereBetween("date", [$period->start, $period->end])
+            ->whereRelation("vacationRequest", "state", VacationRequestState::APPROVED->value)
+            ->get()
+            ->groupBy(fn(Vacation $vacation) => $vacation->date->toDateString());
+    }
+}

app/Domain/Validation/Rules/DoesNotExceedLimitRule.php

@@ -4,23 +4,64 @@ declare(strict_types=1);
 
 namespace Toby\Domain\Validation\Rules;
 
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Collection;
+use Toby\Domain\Enums\VacationRequestState;
+use Toby\Domain\Enums\VacationType;
+use Toby\Domain\VacationDaysCalculator;
 use Toby\Domain\VacationTypeConfigRetriever;
+use Toby\Eloquent\Models\User;
 use Toby\Eloquent\Models\VacationRequest;
+use Toby\Eloquent\Models\YearPeriod;
 
 class DoesNotExceedLimitRule implements VacationRequestRule
 {
     public function __construct(
         protected VacationTypeConfigRetriever $configRetriever,
+        protected VacationDaysCalculator $vacationDaysCalculator,
     ) {
     }
 
     public function check(VacationRequest $vacationRequest): bool
     {
-        return true;
+        if (!$this->configRetriever->hasLimit($vacationRequest->type)) {
+            return true;
+        }
+
+        $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();
+
+        return $limit >= ($vacationDays + $estimatedDays);
     }
 
     public function errorMessage(): string
     {
-        return __("You have exceeded your vacation limit.");
+        return __("Vacation limit has been exceeded.");
+    }
+
+    protected function getUserVacationLimit(User $user, YearPeriod $yearPeriod): int
+    {
+        return $user->vacationLimits()->where("year_period_id", $yearPeriod->id)->first()->days ?? 0;
+    }
+
+    protected function getVacationDaysWithLimit(User $user, YearPeriod $yearPeriod): int
+    {
+        return $user->vacations()
+            ->where("year_period_id", $yearPeriod->id)
+            ->whereRelation(
+                "vacationRequest",
+                fn(Builder $query) => $query
+                    ->whereIn("type", $this->getLimitableVacationTypes())
+                    ->noStates(VacationRequestState::failedStates()),
+            )
+            ->count();
+    }
+
+    protected function getLimitableVacationTypes(): Collection
+    {
+        $types = new Collection(VacationType::cases());
+
+        return $types->filter(fn(VacationType $type) => $this->configRetriever->hasLimit($type));
     }
 }