Member update endpoint can now change ownership

app/Service/DeletionService.php

@@ -24,9 +24,12 @@ class DeletionService
 {
     private UserService $userService;
 
-    public function __construct(UserService $userService)
+    private MemberService $memberService;
+
+    public function __construct(UserService $userService, MemberService $memberService)
     {
         $this->userService = $userService;
+        $this->memberService = $memberService;
     }
 
     public function deleteOrganization(Organization $organization, bool $inTransaction = true, ?User $ignoreUser = null): void
@@ -145,7 +148,7 @@ class DeletionService
             if ($member->role === Role::Owner->value) {
                 $this->deleteOrganization($member->organization, false, $user);
             } else {
-                $this->userService->makeMemberToPlaceholder($member);
+                $this->memberService->makeMemberToPlaceholder($member);
             }
         }
 

app/Service/MemberService.php

@@ -0,0 +1,61 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service;
+
+use App\Enums\Role;
+use App\Models\Member;
+use App\Models\Organization;
+use App\Models\User;
+use InvalidArgumentException;
+
+class MemberService
+{
+    private UserService $userService;
+
+    public function __construct(UserService $userService)
+    {
+        $this->userService = $userService;
+    }
+
+    /**
+     * Change the ownership of an organization to a new user.
+     * The previous owner will be demoted to an admin.
+     */
+    public function changeOwnership(Organization $organization, Member $newOwner): void
+    {
+        $organization->update([
+            'user_id' => $newOwner->user_id,
+        ]);
+        if ($newOwner->organization_id !== $organization->getKey()) {
+            throw new InvalidArgumentException('Member is not part of the organization');
+        }
+        $newOwner->role = Role::Owner->value;
+        $newOwner->save();
+        $oldOwners = Member::query()
+            ->whereBelongsTo($organization, 'organization')
+            ->where('role', '=', Role::Owner->value)
+            ->where('id', '!=', $newOwner->getKey())
+            ->get();
+        foreach ($oldOwners as $oldOwner) {
+            $oldOwner->role = Role::Admin->value;
+            $oldOwner->save();
+        }
+    }
+
+    public function makeMemberToPlaceholder(Member $member): void
+    {
+        $user = $member->user;
+        $placeholderUser = $user->replicate();
+        $placeholderUser->is_placeholder = true;
+        $placeholderUser->save();
+
+        $member->user()->associate($placeholderUser);
+        $member->role = Role::Placeholder->value;
+        $member->save();
+
+        $this->userService->assignOrganizationEntitiesToDifferentMember($member->organization, $user, $placeholderUser, $member);
+        $this->userService->makeSureUserHasAtLeastOneOrganization($user);
+    }
+}

app/Service/UserService.php

@@ -31,7 +31,7 @@ class UserService
         $this->assignOrganizationEntitiesToDifferentMember($organization, $fromUser, $toUser, $toMember);
     }
 
-    private function assignOrganizationEntitiesToDifferentMember(Organization $organization, User $fromUser, User $toUser, Member $toMember): void
+    public function assignOrganizationEntitiesToDifferentMember(Organization $organization, User $fromUser, User $toUser, Member $toMember): void
     {
         // Time entries
         TimeEntry::query()
@@ -52,21 +52,6 @@ class UserService
             ]);
     }
 
-    public function makeMemberToPlaceholder(Member $member): void
-    {
-        $user = $member->user;
-        $placeholderUser = $user->replicate();
-        $placeholderUser->is_placeholder = true;
-        $placeholderUser->save();
-
-        $member->user()->associate($placeholderUser);
-        $member->role = Role::Placeholder->value;
-        $member->save();
-
-        $this->assignOrganizationEntitiesToDifferentMember($member->organization, $user, $placeholderUser, $member);
-        $this->makeSureUserHasAtLeastOneOrganization($user);
-    }
-
     public function makeSureUserHasAtLeastOneOrganization(User $user): void
     {
         if ($user->organizations()->count() > 0) {