Added achievement data

app/Services/Achievements/Checkers/AirlinesAndAlliancesChecker.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Services\Achievements\Checkers;
+
+use App\Models\Alliance;
+use App\Models\User;
+use App\Models\UserFlight;
+
+class AirlinesAndAlliancesChecker extends BaseChecker
+{
+    public function check(): void
+    {
+        $flights = $this->flights();
+
+        $alliances = Alliance::withCount('airlines')->pluck('id', 'internal_name');
+
+        $flownAllianceAirlines = $flights
+            ->filter(fn(UserFlight $f) => $f->airline?->alliance !== null)
+            ->groupBy(fn(UserFlight $f) => $f->airline->alliance->internal_name)
+            ->map(fn($group) => $group->pluck('airline.internal_name')->unique()->count());
+
+        $check = fn(string $alliance): int => $flownAllianceAirlines->get($alliance, 0);
+
+        $this->awardProgress($check('skyteam'),          'airlines_alliances.all_skyteam');
+        $this->awardProgress($check('oneworld'),         'airlines_alliances.all_oneworld');
+        $this->awardProgress($check('star_alliance'),    'airlines_alliances.all_star_alliance');
+        $this->awardProgress($check('vanilla_alliance'), 'airlines_alliances.all_vanilla_alliance');
+    }
+}