zwt13703
81 lines
2.7 KiB
Python
81 lines
2.7 KiB
Python
import asyncio
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import json
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import os
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import uuid
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from datetime import datetime
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from fastapi import APIRouter, Depends, HTTPException
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from fastapi.responses import PlainTextResponse, RedirectResponse
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from config import settings
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from database import get_db
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from models.document import Document
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from models.generation_log import GenerationLog
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from models.paragraph import Paragraph
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from models.template import Template
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from services.document_export import export_document_bytes
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from services.minio_client import (
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download_object_bytes,
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get_presigned_url,
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split_bucket_path,
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upload_bytes,
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)
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router = APIRouter()
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@router.get("/{document_id}/docx")
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async def export_docx(document_id: int, db: AsyncSession = Depends(get_db)):
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document = await db.get(Document, document_id)
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if document is None:
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raise HTTPException(status_code=404, detail="生成记录不存在")
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template = await db.get(Template, document.template_id)
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if template is None:
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raise HTTPException(status_code=404, detail="模板不存在")
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template_bucket, template_object = split_bucket_path(template.file_path)
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template_bytes = await asyncio.to_thread(download_object_bytes, template_bucket, template_object)
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result = await db.execute(
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select(GenerationLog, Paragraph)
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.join(Paragraph, Paragraph.id == GenerationLog.paragraph_id)
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.where(GenerationLog.document_id == document_id)
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.order_by(Paragraph.sort_index.asc(), Paragraph.id.asc())
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)
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logs = []
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for log, paragraph in result.all():
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logs.append(
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{
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"title": paragraph.title,
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"content": json.loads(log.content) if log.content else {"content": []},
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}
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)
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exported_bytes = await asyncio.to_thread(export_document_bytes, template_bytes, logs)
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object_name = f"{datetime.now().strftime('%Y%m%d')}/{uuid.uuid4().hex}.docx"
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await asyncio.to_thread(
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upload_bytes,
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settings.MINIO_BUCKET_OUTPUTS,
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object_name,
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exported_bytes,
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"application/vnd.openxmlformats-officedocument.wordprocessingml.document",
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)
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document.file_path = f"{settings.MINIO_BUCKET_OUTPUTS}/{object_name}"
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await db.commit()
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return RedirectResponse(
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url=get_presigned_url(settings.MINIO_BUCKET_OUTPUTS, object_name),
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status_code=307,
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)
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@router.get("/{document_id}/pdf")
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async def export_pdf(document_id: int):
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return PlainTextResponse(
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f"文档 {document_id} 的 PDF 导出功能正在开发中，当前版本请先使用预览页查看结果。",
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media_type="text/plain; charset=utf-8",
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)
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