first commit

app/Http/Middleware/EnsureTeamMembership.php

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+<?php
+
+namespace App\Http\Middleware;
+
+use App\Enums\TeamRole;
+use App\Models\Team;
+use App\Models\User;
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class EnsureTeamMembership
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  Closure(Request): (Response)  $next
+     */
+    public function handle(Request $request, Closure $next, ?string $minimumRole = null): Response
+    {
+        [$user, $team] = [$request->user(), $this->team($request)];
+
+        abort_if(! $user || ! $team || ! $user->belongsToTeam($team), 403);
+
+        $this->ensureTeamMemberHasRequiredRole($user, $team, $minimumRole);
+
+        if ($request->route('current_team') && ! $user->isCurrentTeam($team)) {
+            $user->switchTeam($team);
+        }
+
+        return $next($request);
+    }
+
+    /**
+     * Ensure the given user has at least the given role, if applicable.
+     */
+    protected function ensureTeamMemberHasRequiredRole(User $user, Team $team, ?string $minimumRole): void
+    {
+        if ($minimumRole === null) {
+            return;
+        }
+
+        $role = $user->teamRole($team);
+
+        $requiredRole = TeamRole::tryFrom($minimumRole);
+
+        abort_if(
+            $requiredRole === null ||
+            $role === null ||
+            ! $role->isAtLeast($requiredRole),
+            403,
+        );
+    }
+
+    /**
+     * Get the team associated with the request.
+     */
+    protected function team(Request $request): ?Team
+    {
+        $team = $request->route('current_team') ?? $request->route('team');
+
+        if (is_string($team)) {
+            $team = Team::where('slug', $team)->first();
+        }
+
+        return $team;
+    }
+}

app/Http/Middleware/HandleAppearance.php

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+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\View;
+use Symfony\Component\HttpFoundation\Response;
+
+class HandleAppearance
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  Closure(Request): (Response)  $next
+     */
+    public function handle(Request $request, Closure $next): Response
+    {
+        View::share('appearance', $request->cookie('appearance') ?? 'system');
+
+        return $next($request);
+    }
+}

app/Http/Middleware/HandleInertiaRequests.php

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+<?php
+
+namespace App\Http\Middleware;
+
+use Illuminate\Http\Request;
+use Inertia\Middleware;
+
+class HandleInertiaRequests extends Middleware
+{
+    /**
+     * The root template that's loaded on the first page visit.
+     *
+     * @see https://inertiajs.com/server-side-setup#root-template
+     *
+     * @var string
+     */
+    protected $rootView = 'app';
+
+    /**
+     * Determines the current asset version.
+     *
+     * @see https://inertiajs.com/asset-versioning
+     */
+    public function version(Request $request): ?string
+    {
+        return parent::version($request);
+    }
+
+    /**
+     * Define the props that are shared by default.
+     *
+     * @see https://inertiajs.com/shared-data
+     *
+     * @return array<string, mixed>
+     */
+    public function share(Request $request): array
+    {
+        $user = $request->user();
+
+        return [
+            ...parent::share($request),
+            'name' => config('app.name'),
+            'auth' => [
+                'user' => $user,
+            ],
+            'sidebarOpen' => ! $request->hasCookie('sidebar_state') || $request->cookie('sidebar_state') === 'true',
+            'currentTeam' => fn () => $user?->currentTeam ? $user->toUserTeam($user->currentTeam) : null,
+            'teams' => fn () => $user?->toUserTeams(includeCurrent: true) ?? [],
+        ];
+    }
+}

app/Http/Middleware/SetTeamUrlDefaults.php

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+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\URL;
+use Symfony\Component\HttpFoundation\Response;
+
+class SetTeamUrlDefaults
+{
+    /**
+     * Set the default URL parameters for team-based routes.
+     *
+     * @param  Closure(Request): (Response)  $next
+     */
+    public function handle(Request $request, Closure $next): Response
+    {
+        if ($currentTeam = $request->user()?->currentTeam) {
+            URL::defaults([
+                'current_team' => $currentTeam->slug,
+                'team' => $currentTeam->slug,
+            ]);
+        }
+
+        return $next($request);
+    }
+}