39736a2ae2
- 在数据库模型中新增 is_active 字段，用于标记章节是否启用。 - 添加数据库迁移脚本以更新现有章节，确保默认值为 TRUE。 - 更新章节相关的 API 以仅返回 active 章节，并实现清除章节的功能。 - 在 Android 客户端中实现清除章节的确认弹窗和相应的 API 调用，提升用户体验。
132 lines
4.1 KiB
Python
132 lines
4.1 KiB
Python
"""
|
||
回忆录相关 API 路由
|
||
"""
|
||
from fastapi import APIRouter, Depends, HTTPException, Query, Body
|
||
from pydantic import BaseModel
|
||
from sqlalchemy import select
|
||
from sqlalchemy.ext.asyncio import AsyncSession
|
||
|
||
from database import get_async_db
|
||
from database.models import Book as BookModel
|
||
from database.models import User as UserModel
|
||
from services.pdf_service import pdf_service
|
||
from middleware.auth import get_current_user
|
||
|
||
router = APIRouter(prefix="/api/books", tags=["books"])
|
||
|
||
|
||
@router.get("/current")
|
||
async def get_current_book(
|
||
current_user: UserModel = Depends(get_current_user),
|
||
db: AsyncSession = Depends(get_async_db)
|
||
):
|
||
"""获取当前回忆录（需要认证）"""
|
||
stmt = select(BookModel).where(BookModel.user_id == current_user.id).order_by(BookModel.updated_at.desc()).limit(1)
|
||
result = await db.execute(stmt)
|
||
book = result.scalar_one_or_none()
|
||
|
||
if not book:
|
||
return {"message": "No book found"}
|
||
|
||
return {
|
||
"id": book.id,
|
||
"title": book.title,
|
||
"total_pages": book.total_pages,
|
||
"total_words": book.total_words,
|
||
"cover_image_url": book.cover_image_url,
|
||
"has_update": book.has_update,
|
||
"last_update_chapter_id": book.last_update_chapter_id,
|
||
}
|
||
|
||
|
||
@router.post("/clear-update")
|
||
async def clear_book_update(
|
||
current_user: UserModel = Depends(get_current_user),
|
||
db: AsyncSession = Depends(get_async_db),
|
||
):
|
||
"""清除回忆录更新标记"""
|
||
stmt = select(BookModel).where(BookModel.user_id == current_user.id).order_by(BookModel.updated_at.desc()).limit(1)
|
||
result = await db.execute(stmt)
|
||
book = result.scalar_one_or_none()
|
||
if not book:
|
||
return {"status": "ok", "message": "No book found"}
|
||
book.has_update = False
|
||
await db.commit()
|
||
return {"status": "ok"}
|
||
|
||
|
||
class UpdateBookRequest(BaseModel):
|
||
title: str
|
||
subtitle: str | None = None # 目前数据库不支持subtitle，但保留字段以便将来扩展
|
||
|
||
|
||
@router.put("/{book_id}")
|
||
async def update_book(
|
||
book_id: str,
|
||
request: UpdateBookRequest = Body(...),
|
||
current_user: UserModel = Depends(get_current_user),
|
||
db: AsyncSession = Depends(get_async_db)
|
||
):
|
||
"""更新书籍标题（需要认证，只能更新自己的回忆录）"""
|
||
book = await db.get(BookModel, book_id)
|
||
if not book:
|
||
raise HTTPException(status_code=404, detail="Book not found")
|
||
|
||
# 验证用户权限
|
||
if book.user_id != current_user.id:
|
||
raise HTTPException(status_code=403, detail="无权更新此回忆录")
|
||
|
||
# 更新标题
|
||
book.title = request.title
|
||
# subtitle字段目前数据库不支持，暂时忽略
|
||
await db.commit()
|
||
await db.refresh(book)
|
||
|
||
return {
|
||
"id": book.id,
|
||
"title": book.title,
|
||
"total_pages": book.total_pages,
|
||
"total_words": book.total_words,
|
||
"cover_image_url": book.cover_image_url,
|
||
"has_update": book.has_update,
|
||
"last_update_chapter_id": book.last_update_chapter_id,
|
||
}
|
||
|
||
|
||
class ExportPdfRequest(BaseModel):
|
||
book_id: str
|
||
|
||
|
||
@router.post("/export-pdf")
|
||
async def export_pdf(
|
||
request: ExportPdfRequest = Body(...),
|
||
current_user: UserModel = Depends(get_current_user),
|
||
db: AsyncSession = Depends(get_async_db)
|
||
):
|
||
"""导出 PDF（需要认证，只能导出自己的回忆录）"""
|
||
book = await db.get(BookModel, request.book_id)
|
||
if not book:
|
||
raise HTTPException(status_code=404, detail="Book not found")
|
||
|
||
# 验证用户权限
|
||
if book.user_id != current_user.id:
|
||
raise HTTPException(status_code=403, detail="无权导出此回忆录")
|
||
|
||
# 获取所有 active 章节
|
||
from database.models import Chapter
|
||
stmt = select(Chapter).where(
|
||
Chapter.user_id == current_user.id,
|
||
Chapter.is_active == True
|
||
).order_by(Chapter.order_index)
|
||
result = await db.execute(stmt)
|
||
chapters = result.scalars().all()
|
||
|
||
# 生成 PDF
|
||
pdf_bytes = await pdf_service.generate_pdf(book, chapters)
|
||
|
||
return {
|
||
"pdf_base64": pdf_bytes.decode('latin1'), # 简化处理，实际应该用 base64
|
||
"filename": f"{book.title}.pdf"
|
||
}
|
||
|