初始化项目
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323
app/Services/Auth/PermissionService.php
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323
app/Services/Auth/PermissionService.php
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<?php
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namespace App\Services\Auth;
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use App\Models\Auth\Permission;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Validation\ValidationException;
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class PermissionService
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{
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/**
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* 获取权限列表
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*/
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public function getList(array $params): array
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{
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$query = Permission::query();
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// 搜索条件
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if (!empty($params['keyword'])) {
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$query->where(function ($q) use ($params) {
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$q->where('name', 'like', '%' . $params['keyword'] . '%')
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->orWhere('code', 'like', '%' . $params['keyword'] . '%');
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});
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}
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if (!empty($params['type'])) {
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$query->where('type', $params['type']);
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}
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if (isset($params['status']) && $params['status'] !== '') {
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$query->where('status', $params['status']);
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}
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// 排序
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$orderBy = $params['order_by'] ?? 'sort';
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$orderDirection = $params['order_direction'] ?? 'asc';
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$query->orderBy($orderBy, $orderDirection);
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// 分页
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$page = $params['page'] ?? 1;
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$pageSize = $params['page_size'] ?? 20;
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$list = $query->paginate($pageSize, ['*'], 'page', $page);
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return [
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'list' => $list->items(),
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'total' => $list->total(),
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'page' => $page,
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'page_size' => $pageSize,
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];
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}
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/**
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* 获取权限树
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*/
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public function getTree(array $params = []): array
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{
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$query = Permission::query();
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if (!empty($params['type'])) {
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$query->where('type', $params['type']);
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}
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if (isset($params['status']) && $params['status'] !== '') {
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$query->where('status', $params['status']);
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}
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$permissions = $query->orderBy('sort', 'asc')->get();
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return $this->buildTree($permissions);
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}
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/**
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* 获取菜单树（前端使用）
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*/
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public function getMenuTree(int $userId = null): array
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{
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$query = Permission::whereIn('type', ['menu', 'api'])
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->where('status', 1);
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if ($userId) {
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// 获取用户的权限
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$user = \App\Models\Auth\User::find($userId);
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if ($user) {
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$permissionIds = [];
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foreach ($user->roles as $role) {
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foreach ($role->permissions as $permission) {
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$permissionIds[] = $permission->id;
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}
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}
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$query->whereIn('id', $permissionIds);
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}
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}
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$permissions = $query->orderBy('sort', 'asc')->get();
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return $this->buildTree($permissions);
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}
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/**
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* 获取权限详情
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*/
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public function getById(int $id): array
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{
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$permission = Permission::with(['parent'])->find($id);
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if (!$permission) {
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throw ValidationException::withMessages([
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'id' => ['权限不存在'],
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]);
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}
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return [
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'id' => $permission->id,
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'name' => $permission->name,
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'code' => $permission->code,
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'type' => $permission->type,
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'parent_id' => $permission->parent_id,
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'parent' => $permission->parent ? [
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'id' => $permission->parent->id,
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'name' => $permission->parent->name,
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] : null,
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'route' => $permission->route,
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'component' => $permission->component,
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'meta' => $permission->meta,
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'sort' => $permission->sort,
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'status' => $permission->status,
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'created_at' => $permission->created_at->toDateTimeString(),
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'updated_at' => $permission->updated_at->toDateTimeString(),
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];
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}
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/**
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* 创建权限
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*/
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public function create(array $data): Permission
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{
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// 检查权限名称是否已存在
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if (Permission::where('name', $data['name'])->exists()) {
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throw ValidationException::withMessages([
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'name' => ['权限名称已存在'],
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]);
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}
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// 检查权限编码是否已存在
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if (Permission::where('code', $data['code'])->exists()) {
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throw ValidationException::withMessages([
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'code' => ['权限编码已存在'],
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]);
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}
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// 如果有父级ID，检查父级是否存在
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if (!empty($data['parent_id'])) {
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$parent = Permission::find($data['parent_id']);
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if (!$parent) {
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throw ValidationException::withMessages([
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'parent_id' => ['父级权限不存在'],
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]);
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}
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}
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return Permission::create([
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'name' => $data['name'],
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'code' => $data['code'],
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'type' => $data['type'] ?? 'api',
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'parent_id' => $data['parent_id'] ?? 0,
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'route' => $data['route'] ?? null,
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'component' => $data['component'] ?? null,
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'meta' => $data['meta'] ?? null,
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'sort' => $data['sort'] ?? 0,
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'status' => $data['status'] ?? 1,
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]);
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}
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/**
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* 更新权限
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*/
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public function update(int $id, array $data): Permission
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{
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$permission = Permission::find($id);
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if (!$permission) {
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throw ValidationException::withMessages([
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'id' => ['权限不存在'],
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]);
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}
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// 检查权限名称是否已被其他权限使用
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if (isset($data['name']) && $data['name'] !== $permission->name) {
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if (Permission::where('name', $data['name'])->exists()) {
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throw ValidationException::withMessages([
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'name' => ['权限名称已存在'],
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]);
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}
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}
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// 检查权限编码是否已被其他权限使用
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if (isset($data['code']) && $data['code'] !== $permission->code) {
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if (Permission::where('code', $data['code'])->exists()) {
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throw ValidationException::withMessages([
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'code' => ['权限编码已存在'],
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]);
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}
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}
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// 如果有父级ID，检查父级是否存在
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if (isset($data['parent_id']) && !empty($data['parent_id'])) {
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$parent = Permission::find($data['parent_id']);
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if (!$parent) {
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throw ValidationException::withMessages([
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'parent_id' => ['父级权限不存在'],
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]);
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}
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// 不能将权限设置为自己的子级
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if ($data['parent_id'] == $id) {
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throw ValidationException::withMessages([
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'parent_id' => ['不能将权限设置为自己的子级'],
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]);
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}
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}
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$updateData = [
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'name' => $data['name'] ?? $permission->name,
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'code' => $data['code'] ?? $permission->code,
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'type' => $data['type'] ?? $permission->type,
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'parent_id' => $data['parent_id'] ?? $permission->parent_id,
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'route' => $data['route'] ?? $permission->route,
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'component' => $data['component'] ?? $permission->component,
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'meta' => isset($data['meta']) ? $data['meta'] : $permission->meta,
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'sort' => $data['sort'] ?? $permission->sort,
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'status' => $data['status'] ?? $permission->status,
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];
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$permission->update($updateData);
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return $permission;
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}
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/**
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* 删除权限
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*/
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public function delete(int $id): void
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{
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$permission = Permission::find($id);
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if (!$permission) {
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throw ValidationException::withMessages([
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'id' => ['权限不存在'],
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]);
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}
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// 检查是否有子权限
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if ($permission->children()->exists()) {
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throw ValidationException::withMessages([
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'id' => ['该权限下还有子权限，无法删除'],
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]);
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}
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// 检查是否被角色使用
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if ($permission->roles()->exists()) {
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throw ValidationException::withMessages([
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'id' => ['该权限已被角色使用，无法删除'],
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]);
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}
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$permission->delete();
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}
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/**
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* 批量删除权限
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*/
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public function batchDelete(array $ids): int
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{
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// 检查是否有子权限
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$hasChildren = Permission::whereIn('id', $ids)->whereHas('children')->exists();
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if ($hasChildren) {
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throw ValidationException::withMessages([
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'ids' => ['选中的权限中还有子权限，无法删除'],
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]);
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}
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// 检查是否被角色使用
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$hasRoles = Permission::whereIn('id', $ids)->whereHas('roles')->exists();
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if ($hasRoles) {
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throw ValidationException::withMessages([
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'ids' => ['选中的权限中已被角色使用，无法删除'],
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]);
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}
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return Permission::whereIn('id', $ids)->delete();
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}
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/**
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* 批量更新权限状态
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*/
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public function batchUpdateStatus(array $ids, int $status): int
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{
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return Permission::whereIn('id', $ids)->update(['status' => $status]);
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}
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/**
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* 构建权限树
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*/
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private function buildTree($permissions, $parentId = 0): array
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{
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$tree = [];
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foreach ($permissions as $permission) {
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if ($permission->parent_id == $parentId) {
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$node = [
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'id' => $permission->id,
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'name' => $permission->name,
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'code' => $permission->code,
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'type' => $permission->type,
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'route' => $permission->route,
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'component' => $permission->component,
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'meta' => $permission->meta,
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'sort' => $permission->sort,
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'status' => $permission->status,
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'children' => $this->buildTree($permissions, $permission->id),
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];
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$tree[] = $node;
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}
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}
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return $tree;
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}
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}
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