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app/Http/Controllers/Teams/TeamInvitationController.php

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+<?php
+
+namespace App\Http\Controllers\Teams;
+
+use App\Enums\TeamRole;
+use App\Http\Controllers\Controller;
+use App\Http\Requests\Teams\AcceptTeamInvitationRequest;
+use App\Http\Requests\Teams\CreateTeamInvitationRequest;
+use App\Models\Team;
+use App\Models\TeamInvitation;
+use App\Notifications\Teams\TeamInvitation as TeamInvitationNotification;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Gate;
+use Illuminate\Support\Facades\Notification;
+
+class TeamInvitationController extends Controller
+{
+    /**
+     * Store a newly created invitation.
+     */
+    public function store(CreateTeamInvitationRequest $request, Team $team): RedirectResponse
+    {
+        Gate::authorize('inviteMember', $team);
+
+        $invitation = $team->invitations()->create([
+            'email' => $request->validated('email'),
+            'role' => TeamRole::from($request->validated('role')),
+            'invited_by' => $request->user()->id,
+            'expires_at' => now()->addDays(3),
+        ]);
+
+        Notification::route('mail', $invitation->email)
+            ->notify(new TeamInvitationNotification($invitation));
+
+        return to_route('teams.edit', ['team' => $team->slug]);
+    }
+
+    /**
+     * Cancel the specified invitation.
+     */
+    public function destroy(Team $team, TeamInvitation $invitation): RedirectResponse
+    {
+        abort_unless($invitation->team_id === $team->id, 404);
+
+        Gate::authorize('cancelInvitation', $team);
+
+        $invitation->delete();
+
+        return to_route('teams.edit', ['team' => $team->slug]);
+    }
+
+    /**
+     * Accept the invitation.
+     */
+    public function accept(AcceptTeamInvitationRequest $request, TeamInvitation $invitation): RedirectResponse
+    {
+        $user = $request->user();
+
+        DB::transaction(function () use ($user, $invitation) {
+            $team = $invitation->team;
+
+            $membership = $team->memberships()->firstOrCreate(
+                ['user_id' => $user->id],
+                ['role' => $invitation->role],
+            );
+
+            $wasRecentlyCreated = $membership->wasRecentlyCreated;
+
+            $invitation->update(['accepted_at' => now()]);
+
+            $user->switchTeam($team);
+        });
+
+        return to_route('dashboard');
+    }
+}