refactor: align backend with company-site-member schema and system-level RBAC groups

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Chris
2026-03-30 01:59:50 +08:00
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# memberapi.ose.tw 後端架構(FastAPI
# memberapi.ose.tw 後端架構(公司/品牌站台/會員
## 1. 目標與邊界
- 網域:`memberapi.ose.tw`
- 角色會員中心後端真相來源Member + Organization + Permission
- 範圍:
- user/member 管理(以 `authentik_sub` 為跨系統主鍵
- organization 管理
- member-organization 關聯管理
- permission grant/revoke 與 snapshot
- internal 查詢 API 提供其他系統
- 不在本服務處理:
- 前端 UI/互動流程
- Authentik hosted login page 本身
## 核心主檔(對齊 DB Schema
- `users`:會員
- `companies`:公司
- `sites`:品牌站台(隸屬 company
- `systems`系統層member/mkt/...
- `modules`:模組(使用 `system.module` key
## 2. 技術棧
- Python 3.12
- FastAPI
- SQLAlchemy 2.0
- PostgreSQLpsycopg
- Pydantic Settings
## 權限模型
- 直接權限:`user_scope_permissions`
- 群組權限:`permission_groups` + `permission_group_members` + `permission_group_permissions`
- Snapshot 回傳合併「user 直接 + group」去重
## 3. 後端目錄
- `backend/app/main.py`
- `backend/app/api/`
- `auth.py`
- `me.py`
- `admin.py`permission
- `admin_entities.py`member/org
- `internal.py`
- `internal_entities.py`
- `backend/app/models/`
- `user.py`
- `permission.py`
- `organization.py`
- `member_organization.py`
- `api_client.py`
- `backend/app/repositories/`
- `users_repo.py`
- `permissions_repo.py`
- `organizations_repo.py`
- `member_organizations_repo.py`
## 授權層級
- `system` 必填
- `module` 選填
- 有值:`{system}.{module}`(例:`mkt.campaign`
- 無值:系統層權限,使用 `system.__system__`
## 4. 資料模型
- `users`
- `id`, `authentik_sub`(unique), `authentik_user_id`, `email`, `display_name`, `is_active`, timestamps
- `permissions`
- `id`, `user_id`, `scope_type`, `scope_id`, `module`, `action`, `created_at`
- unique: `(user_id, scope_type, scope_id, module, action)`
- `organizations`
- `id`, `org_code`(unique), `name`, `tax_id`, `status`, timestamps
- `member_organizations`
- `id`, `member_id`, `organization_id`, `created_at`
- unique: `(member_id, organization_id)`
- `api_clients`(由 `docs/API_CLIENTS_SQL.sql` 建立)
- `client_key`, `api_key_hash`, `status`, allowlist, expires/rate-limit 欄位
## 主要 API
- `GET /me`
- `GET /me/permissions/snapshot`
- `POST /admin/permissions/grant|revoke`
- `GET|POST /admin/systems`
- `GET|POST /admin/modules`
- `GET|POST /admin/companies`
- `GET|POST /admin/sites`
- `GET /admin/members`
- `GET|POST /admin/permission-groups`
- `POST|DELETE /admin/permission-groups/{group_key}/members/{authentik_sub}`
- `POST /admin/permission-groups/{group_key}/permissions/grant|revoke`
- `GET /internal/systems|modules|companies|sites|members`
## 5. API 設計
- 健康檢查
- `GET /healthz`
- 登入
- `GET /auth/oidc/url`
- `POST /auth/oidc/exchange`
- 使用者路由Bearer
- `GET /me`
- `GET /me/permissions/snapshot`
- 管理路由(`X-Client-Key` + `X-API-Key`
- `POST /admin/permissions/grant`
- `POST /admin/permissions/revoke`
- `GET|POST|PATCH /admin/organizations...`
- `GET|POST|PATCH /admin/members...`
- `GET|POST|DELETE /admin/members/{member_id}/organizations...`
- 內部路由(`X-Internal-Secret`
- `POST /internal/users/upsert-by-sub`
- `GET /internal/permissions/{authentik_sub}/snapshot`
- `POST /internal/authentik/users/ensure`
- `GET /internal/members`
- `GET /internal/members/by-sub/{authentik_sub}`
- `GET /internal/organizations`
- `GET /internal/organizations/by-code/{org_code}`
- `GET /internal/members/{member_id}/organizations`
## 6. 安全策略
- `admin` 路由API client 驗證status/過期/hash/allowlist
- `internal` 路由:`X-Internal-Secret`
- `me` 路由Auth token + JWKS 驗簽
- `/me` 補值:若 token 無 `email/name`,會呼叫 `userinfo` 補齊
## 7. 與其他系統資料流
1. 其他系統登入後,以 token `sub` 呼叫 `/internal/users/upsert-by-sub`
2. 需要組織/會員資料時,走 `/internal/members*``/internal/organizations*`
3. 權限查詢走 `/internal/permissions/{sub}/snapshot`
4. 後台人員調整權限走 `/admin/permissions/grant|revoke`
## 8. 下一階段建議
- 導入 Alembic migration
- 加 audit log誰在何時做了 member/org/permission 變更)
- 補上整合測試與 rate-limit metrics
## DB Migration
- 初始化:`backend/scripts/init_schema.sql`
- 舊庫補齊:`backend/scripts/migrate_align_company_site_member_system.sql`