Played around with a new app structure

app/Users/Controllers/UserApiController.php

@@ -0,0 +1,169 @@
+<?php
+
+namespace BookStack\Users\Controllers;
+
+use BookStack\Exceptions\UserUpdateException;
+use BookStack\Http\Controllers\ApiController;
+use BookStack\Users\Models\User;
+use BookStack\Users\UserRepo;
+use Closure;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Validation\Rules\Password;
+use Illuminate\Validation\Rules\Unique;
+
+class UserApiController extends ApiController
+{
+    protected UserRepo $userRepo;
+
+    protected array $fieldsToExpose = [
+        'email', 'created_at', 'updated_at', 'last_activity_at', 'external_auth_id',
+    ];
+
+    public function __construct(UserRepo $userRepo)
+    {
+        $this->userRepo = $userRepo;
+
+        // Checks for all endpoints in this controller
+        $this->middleware(function ($request, $next) {
+            $this->checkPermission('users-manage');
+            $this->preventAccessInDemoMode();
+
+            return $next($request);
+        });
+    }
+
+    protected function rules(int $userId = null): array
+    {
+        return [
+            'create' => [
+                'name'  => ['required', 'min:2', 'max:100'],
+                'email' => [
+                    'required', 'min:2', 'email', new Unique('users', 'email'),
+                ],
+                'external_auth_id' => ['string'],
+                'language'         => ['string', 'max:15', 'alpha_dash'],
+                'password'         => [Password::default()],
+                'roles'            => ['array'],
+                'roles.*'          => ['integer'],
+                'send_invite'      => ['boolean'],
+            ],
+            'update' => [
+                'name'  => ['min:2', 'max:100'],
+                'email' => [
+                    'min:2',
+                    'email',
+                    (new Unique('users', 'email'))->ignore($userId ?? null),
+                ],
+                'external_auth_id' => ['string'],
+                'language'         => ['string', 'max:15', 'alpha_dash'],
+                'password'         => [Password::default()],
+                'roles'            => ['array'],
+                'roles.*'          => ['integer'],
+            ],
+            'delete' => [
+                'migrate_ownership_id' => ['integer', 'exists:users,id'],
+            ],
+        ];
+    }
+
+    /**
+     * Get a listing of users in the system.
+     * Requires permission to manage users.
+     */
+    public function list()
+    {
+        $users = User::query()->select(['*'])
+            ->scopes('withLastActivityAt')
+            ->with(['avatar']);
+
+        return $this->apiListingResponse($users, [
+            'id', 'name', 'slug', 'email', 'external_auth_id',
+            'created_at', 'updated_at', 'last_activity_at',
+        ], [Closure::fromCallable([$this, 'listFormatter'])]);
+    }
+
+    /**
+     * Create a new user in the system.
+     * Requires permission to manage users.
+     */
+    public function create(Request $request)
+    {
+        $data = $this->validate($request, $this->rules()['create']);
+        $sendInvite = ($data['send_invite'] ?? false) === true;
+
+        $user = null;
+        DB::transaction(function () use ($data, $sendInvite, &$user) {
+            $user = $this->userRepo->create($data, $sendInvite);
+        });
+
+        $this->singleFormatter($user);
+
+        return response()->json($user);
+    }
+
+    /**
+     * View the details of a single user.
+     * Requires permission to manage users.
+     */
+    public function read(string $id)
+    {
+        $user = $this->userRepo->getById($id);
+        $this->singleFormatter($user);
+
+        return response()->json($user);
+    }
+
+    /**
+     * Update an existing user in the system.
+     * Requires permission to manage users.
+     *
+     * @throws UserUpdateException
+     */
+    public function update(Request $request, string $id)
+    {
+        $data = $this->validate($request, $this->rules($id)['update']);
+        $user = $this->userRepo->getById($id);
+        $this->userRepo->update($user, $data, userCan('users-manage'));
+        $this->singleFormatter($user);
+
+        return response()->json($user);
+    }
+
+    /**
+     * Delete a user from the system.
+     * Can optionally accept a user id via `migrate_ownership_id` to indicate
+     * who should be the new owner of their related content.
+     * Requires permission to manage users.
+     */
+    public function delete(Request $request, string $id)
+    {
+        $user = $this->userRepo->getById($id);
+        $newOwnerId = $request->get('migrate_ownership_id', null);
+
+        $this->userRepo->destroy($user, $newOwnerId);
+
+        return response('', 204);
+    }
+
+    /**
+     * Format the given user model for single-result display.
+     */
+    protected function singleFormatter(User $user)
+    {
+        $this->listFormatter($user);
+        $user->load('roles:id,display_name');
+        $user->makeVisible(['roles']);
+    }
+
+    /**
+     * Format the given user model for a listing multi-result display.
+     */
+    protected function listFormatter(User $user)
+    {
+        $user->makeVisible($this->fieldsToExpose);
+        $user->setAttribute('profile_url', $user->getProfileUrl());
+        $user->setAttribute('edit_url', $user->getEditUrl());
+        $user->setAttribute('avatar_url', $user->getAvatar());
+    }
+}