91 lines
2.8 KiB
Python
91 lines
2.8 KiB
Python
"""
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回忆录相关 API 路由
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"""
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from fastapi import APIRouter, Depends, HTTPException, Query, Body
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from pydantic import BaseModel
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from database import get_async_db
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from database.models import Book as BookModel
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from database.models import User as UserModel
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from services.pdf_service import pdf_service
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from middleware.auth import get_current_user
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router = APIRouter(prefix="/api/books", tags=["books"])
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@router.get("/current")
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async def get_current_book(
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current_user: UserModel = Depends(get_current_user),
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db: AsyncSession = Depends(get_async_db)
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):
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"""获取当前回忆录（需要认证）"""
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stmt = select(BookModel).where(BookModel.user_id == current_user.id).order_by(BookModel.updated_at.desc())
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result = await db.execute(stmt)
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book = result.scalar_one_or_none()
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if not book:
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return {"message": "No book found"}
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return {
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"id": book.id,
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"title": book.title,
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"total_pages": book.total_pages,
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"total_words": book.total_words,
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"cover_image_url": book.cover_image_url,
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"has_update": book.has_update,
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"last_update_chapter_id": book.last_update_chapter_id,
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}
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@router.post("/clear-update")
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async def clear_book_update(
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current_user: UserModel = Depends(get_current_user),
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db: AsyncSession = Depends(get_async_db),
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):
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"""清除回忆录更新标记"""
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stmt = select(BookModel).where(BookModel.user_id == current_user.id).order_by(BookModel.updated_at.desc())
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result = await db.execute(stmt)
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book = result.scalar_one_or_none()
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if not book:
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return {"status": "ok", "message": "No book found"}
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book.has_update = False
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await db.commit()
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return {"status": "ok"}
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class ExportPdfRequest(BaseModel):
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book_id: str
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@router.post("/export-pdf")
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async def export_pdf(
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request: ExportPdfRequest = Body(...),
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current_user: UserModel = Depends(get_current_user),
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db: AsyncSession = Depends(get_async_db)
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):
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"""导出 PDF（需要认证，只能导出自己的回忆录）"""
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book = await db.get(BookModel, request.book_id)
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if not book:
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raise HTTPException(status_code=404, detail="Book not found")
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# 验证用户权限
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if book.user_id != current_user.id:
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raise HTTPException(status_code=403, detail="无权导出此回忆录")
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# 获取所有章节
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from database.models import Chapter
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stmt = select(Chapter).where(Chapter.user_id == current_user.id).order_by(Chapter.order_index)
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result = await db.execute(stmt)
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chapters = result.scalars().all()
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# 生成 PDF
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pdf_bytes = await pdf_service.generate_pdf(book, chapters)
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return {
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"pdf_base64": pdf_bytes.decode('latin1'), # 简化处理，实际应该用 base64
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"filename": f"{book.title}.pdf"
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}
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