feat: 调整项目层级

server/src/modules/system/permission/permission.service.ts

@@ -0,0 +1,45 @@
+import { Injectable } from '@nestjs/common';
+import { GrantMenuDto } from '@/modules/system/permission/dto/grant-menu.dto';
+import { PrismaService } from '@/prisma/prisma.service';
+
+@Injectable()
+export class PermissionService {
+  constructor(private readonly prisma: PrismaService) {}
+
+  async getMenu(id: number) {
+    const menuIds = await this.prisma.sysMenuPermission.findMany({
+      select: {
+        menuId: true,
+      },
+      where: {
+        permission: {
+          sysRolePermission: {
+            some: { roleId: id },
+          },
+        },
+      },
+    });
+
+    return menuIds.map((item) => item.menuId);
+  }
+
+  async grantMenu(id: number, { menuIds }: GrantMenuDto) {
+    await this.prisma.$transaction(async (prisma) => {
+      // 删除角色对应的权限
+      await prisma.sysRolePermission.deleteMany({
+        where: { roleId: id },
+      });
+      // 通过菜单id 找出所有权限id
+      const rolePermIds = await prisma.sysMenuPermission.findMany({
+        select: { permissionId: true },
+        where: { menuId: { in: menuIds } },
+      });
+      // 根据权限id 关联菜单和权限
+      if (rolePermIds.length > 0) {
+        await prisma.sysRolePermission.createMany({
+          data: rolePermIds.map((item) => ({ ...item, roleId: id })),
+        });
+      }
+    });
+  }
+}