358 lines
12 KiB
Markdown
358 lines
12 KiB
Markdown
## 合同文档上传与接口说明(v2)
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本文档详细说明 DocAuditAI 中与“合同文档上传”相关的 API 接口、参数、请求示例、响应示例以及后端处理流程。路径均以后端实际路由挂载为准:所有业务接口统一前缀为 `/admin`,本文档涉及的文档管理接口统一前缀为 `/admin/documents`。
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---
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### 鉴权与基础信息
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- **基础前缀**: `/admin/documents`
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- **认证方式**:
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- 推荐:`Authorization: Bearer <JWT>`(后端中间件会将用户信息注入 `req.state.current_user`)
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- 参考文档:`docs/接口认证方式统一说明.md`
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- **存储后端**: MinIO(参考 `core/storage/minio_client.py` 与 `core/config.py` 中的 `MINIO_CONFIG`)
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- **异步任务**: Celery,队列名称默认为 `f"{REDIS_KEY_PREFIX}_tasks"`
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---
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### 文档类型枚举(后端基准)
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来自 `core/utils/enums.py`:
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- `1` 合同文档(代码: HT,完整中文: 合同文档)
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- `2` 行政许可决定书(代码: XZXK,完整中文: 行政许可决定书)
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- `3` 行政处罚决定书(代码: XZCF,完整中文: 行政处罚决定书)
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- `4` 合同对比模板(代码: HTMB,完整中文: 合同对比模板)
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- `99` 其他文档(代码: QT,完整中文: 其他文档)
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> 说明:客户端在 `upload_info` 中通常只需要传 `type_id`,后端会基于枚举推导短代码与中文全称。
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---
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## 接口清单
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#### 1) 上传通用文档(支持合同/许可/处罚/其他)
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- 方法与路径: `POST /admin/documents/upload`
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- 表单参数:
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- `file`: 文件(支持 PDF、Word:.doc/.docx 会自动转换为 PDF)
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- `upload_info`: JSON 字符串,示例:
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```json
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{
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"type_id": 1,
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"document_number": "HT_20250111_120000_001",
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"is_test_document": true,
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"remark": "示例备注",
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"evaluation_level": "普通"
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}
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```
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- cURL 示例:
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```bash
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curl -X POST "http://127.0.0.1:8008/admin/documents/upload" \
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-H "Authorization: Bearer <YOUR_TOKEN>" \
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-F "file=@./samples/contract.pdf" \
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-F 'upload_info={"type_id":1,"remark":"示例备注","evaluation_level":"普通"}'
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```
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- JavaScript fetch 示例:
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```javascript
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const form = new FormData();
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form.append('file', fileInput.files[0]);
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form.append('upload_info', JSON.stringify({ type_id: 1, remark: '示例备注' }));
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const res = await fetch('/admin/documents/upload', {
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method: 'POST',
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headers: { Authorization: 'Bearer ' + token },
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body: form
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});
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const data = await res.json();
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```
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- 响应示例:
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```json
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{
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"success": true,
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"result": {
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"id": 123,
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"file_name": "contract.pdf",
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"file_size": 1024000,
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"file_url": "https://minio.example.com/bucket/documents/...",
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"type_id": 1,
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"type_description": "HT",
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"type_full_description": "合同文档",
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"document_number": "HT_20250111_120000_001",
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"storage_type": "minio",
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"background_processing": true,
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"api_version": "v2",
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"is_test_document": true,
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"remark": "示例备注",
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"evaluation_level": "普通"
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}
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}
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```
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> 说明:合同(type_id=1)、许可(2)、处罚(3)会自动投递 Celery 任务进行 OCR/抽取/评查。
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---
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#### 2) 上传合同模板(用于与合同文档结构对比)
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- 方法与路径: `POST /admin/documents/upload_contract_template`
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- 表单参数:
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- `file`: 模板 PDF/Word(Word将自动转PDF)
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- `upload_info`: JSON 字符串,字段:
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- `document_id`(必填):源合同文档ID
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- `comparison_id`(可选):已有对比记录ID,未提供将自动创建
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- cURL 示例:
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```bash
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curl -X POST "http://127.0.0.1:8008/admin/documents/upload_contract_template" \
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-H "Authorization: Bearer <YOUR_TOKEN>" \
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-F "file=@./samples/contract_template.pdf" \
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-F 'upload_info={"document_id":123}'
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```
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- 响应示例:
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```json
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{
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"success": true,
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"result": {
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"id": 456, // comparison_id(新建或传入)
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"document_id": 789, // 模板对应的新建文档ID
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"file_name": "contract_template.pdf",
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"file_size": 204800,
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"file_url": "https://minio.example.com/...",
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"template_path": "documents/.../contract_template.pdf",
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"template_contract_name": "contract_template.pdf",
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"status": "Waiting",
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"api_version": "v2"
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}
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}
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```
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---
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#### 3) 合同文档追加附件并合并
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- 方法与路径: `POST /admin/documents/contracts/{document_id}/append_attachments`
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- 路径参数:
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- `document_id`: 合同文档ID(type_id 必须为 1)
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- 表单参数:
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- `files`: 多个附件(支持 PDF、Word(doc/docx)、ZIP、RAR;ZIP/RAR 内仅合并其中的 PDF)
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- `merge_mode`: `overwrite`(默认,覆盖原文档路径)或 `new`(新建一条文档记录)
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- `is_reprocess`: 是否触发 OCR/抽取/评查(默认 true)
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- `remark`: 备注
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- cURL 示例(支持压缩包作为附件来源):
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```bash
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curl -X POST "http://127.0.0.1:8008/admin/documents/contracts/123/append_attachments" \
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-H "Authorization: Bearer <YOUR_TOKEN>" \
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-F "files=@./samples/appendix1.pdf" \
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-F "files=@./samples/attachments.zip" \
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-F "merge_mode=overwrite" -F "is_reprocess=true" -F "remark=附加材料"
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```
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- 响应示例(new 模式):
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```json
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{
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"success": true,
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"result": {
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"id": 901, // 新文档ID
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"file_name": "contract_merged_20250111123000.pdf",
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"file_size": 512000,
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"file_url": "https://minio.example.com/...",
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"type_id": 1,
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"document_number": "HT_20250111_...",
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"storage_type": "minio",
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"is_merged": true,
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"attachments_count": 2,
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"merge_mode": "new",
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"background_processing": true,
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"api_version": "v2"
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}
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}
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```
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---
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#### 4) 合同模板记录追加附件并合并
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- 方法与路径: `POST /admin/documents/contract_templates/{comparison_id}/append_attachments`
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- 路径参数:
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- `comparison_id`: 合同结构对比记录ID
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- 表单参数:
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- `files`: 多个 PDF 附件
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- `is_reprocess`: 是否触发模板 OCR 与对比(默认 true)
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- `remark`: 备注
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- cURL 示例:
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```bash
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curl -X POST "http://127.0.0.1:8008/admin/documents/contract_templates/456/append_attachments" \
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-H "Authorization: Bearer <YOUR_TOKEN>" \
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-F "files=@./samples/template_appendix.pdf" \
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-F "is_reprocess=true" -F "remark=补充分条款"
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```
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- 响应示例:
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```json
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{
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"success": true,
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"result": {
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"id": 456,
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"document_id": 790, // 新模板文档ID
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"file_name": "template_merged_20250111123500.pdf",
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"file_size": 256000,
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"file_url": "https://minio.example.com/...",
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"template_path": "documents/.../template_merged_20250111123500.pdf",
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"status": "Waiting",
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"api_version": "v2",
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"is_merged": true,
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"attachments_count": 1
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}
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}
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```
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---
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#### 5) 一体化:上传并分配交叉评查任务(支持单 PDF 或压缩包)
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- 方法与路径: `POST /admin/documents/cross_review/documents/upload_and_assign`
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- 表单参数:
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- `file`: 单个 PDF、Word 或压缩包(zip/rar/7z/tar)
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- `upload_info`: JSON 字符串(至少包含 `type_id`)
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- `assign_user_ids`: JSON 数组字符串(如 `[1,2,3]`)
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- cURL 示例(批量:zip 内多个 PDF 将逐个入库并触发处理):
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```bash
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curl -X POST "/admin/documents/cross_review/documents/upload_and_assign" \
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-H "Authorization: Bearer <YOUR_TOKEN>" \
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-F "file=@./samples/contracts.zip" \
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-F 'upload_info={"type_id":1,"task_name":"自动分配任务","doc_type":"合同文档"}' \
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-F 'assign_user_ids=[1,2,3]'
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```
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- 响应示例(压缩包):
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```json
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{
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"success": true,
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"message": "已处理3个PDF。",
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"pdf_files": ["a.pdf","b.pdf","c.pdf"],
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"results": [ {"success": true, "document_id": 101, ... }, ... ],
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"assigned_users": { "result": { /* 任务分配详情 */ } }
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}
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```
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---
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#### 6) 获取文档列表(按用户权限过滤)
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- 方法与路径: `GET /admin/documents/list`
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- 查询参数:
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- `page`(默认 1)、`page_size`(默认 20,最大 100)
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- `search`(可选,模糊匹配 name 或 document_number)
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- `type_id`(可选)、`status`(可选)
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- 认证后端会基于 `req.state.current_user.user_id` 过滤用户可见文档
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- cURL 示例:
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```bash
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curl -G "/admin/documents/list" \
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-H "Authorization: Bearer <YOUR_TOKEN>" \
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--data-urlencode "page=1" \
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--data-urlencode "page_size=20" \
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--data-urlencode "search=合同"
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```
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- 响应示例:
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```json
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{
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"total": 42,
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"items": [
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{
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"id": 123,
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"name": "contract.pdf",
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"document_number": "HT_20250111_120000_001",
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"type_id": 1,
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"status": "Processed",
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"upload_time": "2025-01-11T12:01:02",
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"created_at": "2025-01-11T12:00:00",
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"updated_at": "2025-01-11T12:10:00"
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}
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],
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"page": 1,
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"page_size": 20
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}
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```
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---
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## 处理流程说明(后端链路)
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> 关键实现文件:`app/routes/v2/documents/documents.py`
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1. 校验与预处理
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- 校验文件大小(`MAX_FILE_SIZE`)与类型
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- Word 自动转换为 PDF(`core/utils/office_convert.ensure_pdf_from_upload`)
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- 生成安全文件名
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2. 生成存储路径并上传 MinIO
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- 路径规则:`documents/{INSTANCE_NAME}/{中文类型}/{YYYY}/{MM月DD日}/{文件名_时分秒}/{文件名}`
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- 上传后得到 `storage_path` 与 `file_url`
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3. 写入数据库(PostgREST)
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- 组装文档数据(含 `user_id`、`file_size`、`remark` 等)
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- `document_service.async_insert_document` 入库,返回文档ID
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4. 追加合并详细逻辑(仅合同附件追加支持压缩包)
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- 入口:`POST /admin/documents/contracts/{document_id}/append_attachments`
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- 校验:`document_id` 必须为合同文档(type_id=1),否则返回错误
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- 下载原 PDF:从 MinIO 将原文档 `path` 下载到本地临时文件
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- 处理附件输入:
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- 支持的外层类型:`.pdf`、`.doc`、`.docx`、`.zip`、`.rar`
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- 当为 PDF:直接保存到临时目录,加入合并列表
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- 当为 Word(.doc/.docx):先转换为 PDF(同单文件上传逻辑),再加入合并列表
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- 当为 ZIP/RAR:先落地为临时压缩包,再调用 `document_upload_service.extract_archive` 解压,仅收集其中的 PDF 路径加入合并列表
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- 对于其他类型:返回错误(仅支持 PDF/ZIP/RAR/Word)
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- 若最终未收集到任何 PDF:返回错误
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- 合并顺序:始终使用【原PDF】+【附件PDF列表】顺序,调用 `merge_pdfs` 生成合并结果临时文件
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- 目标路径:沿用原 `path` 的父目录,文件名追加 `_merged_{时间戳}.pdf`
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- 入库与更新:
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- `merge_mode=overwrite`(默认):更新原文档 `path/name/file_size/status=Waiting/remark`
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- `merge_mode=new`:调用文档写入流程新建记录,并带上 `remark`
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- 触发处理:当 `is_reprocess=true` 时,读入合并后的字节内容,调用 `_submit_ocr_task_v2` 投递后续 OCR/抽取/评查
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- 返回:新/原文档标识、URL、大小、是否合并、附件数量、`merge_mode` 等
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5. 投递异步任务(Celery)
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- 合同(1):`process_contract_ocr`
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- 行政许可(2)、行政处罚(3):`process_document_ocr_v2`
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- 合同模板(4):`process_contract_template_ocr`
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- 队列:`{REDIS_KEY_PREFIX}_tasks`,默认过期 24h,time_limit 600s
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6. 后处理与状态更新
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- OCR完成后按需进入抽取与评查
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- 文档状态:`Cutting`/`Extractioning`/`Evaluationing`/`Processed`/`Failed`
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---
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## 错误处理与返回
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- 统一响应模型:
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- 成功:`{"success": true, "result": { ... }}`
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- 失败:`{"success": false, "error": "错误消息"}`
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- 常见错误:
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- `400`:`upload_info` 非法、文件为空或类型不支持
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- `413`:文件过大(超过 `MAX_FILE_SIZE`)
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- `500`:存储/数据库/任务投递异常
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---
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## 使用建议与注意事项
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- 合同类建议始终以 PDF 上传,可减少转换耗时与兼容性问题
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- 压缩包仅支持解出 PDF 后逐一入库与处理(zip/rar/7z/tar)
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- 建议合理设置 `remark` 与 `evaluation_level` 便于后续筛选
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- 若需追踪异步任务状态,请结合 Flower 与后端日志(`logs/`)
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---
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## 变更记录
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- 2025-09-11:首版编制,依据 `app/routes/v2/documents/documents.py` 与相关服务模块撰写
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