1309 lines
52 KiB
Python
1309 lines
52 KiB
Python
from flask import Blueprint, render_template, request, redirect, url_for, flash, current_app, jsonify, send_file
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from app.models.book import Book, Category
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from app.models.user import db
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from app.utils.auth import login_required, permission_required # 修改导入，替换admin_required为permission_required
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from flask_login import current_user
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import os
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from werkzeug.utils import secure_filename
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import datetime
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import pandas as pd
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import uuid
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from app.models.log import Log
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from io import BytesIO
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import xlsxwriter
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from sqlalchemy import text
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book_bp = Blueprint('book', __name__)
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@book_bp.route('/admin/list')
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@login_required
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@permission_required('manage_books') # 替换 @admin_required
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def admin_book_list():
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print(f"DEBUG: admin_book_list 函数被调用，用户={current_user.username}，认证状态={current_user.is_authenticated}")
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page = request.args.get('page', 1, type=int)
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per_page = request.args.get('per_page', 10, type=int)
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# 只显示状态为1的图书（未下架的图书）
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query = Book.query.filter_by(status=1)
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# 搜索功能
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search = request.args.get('search', '')
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if search:
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query = query.filter(
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(Book.title.contains(search)) |
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(Book.author.contains(search)) |
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(Book.isbn.contains(search))
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)
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# 分类筛选
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category_id = request.args.get('category_id', type=int)
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if category_id:
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query = query.filter_by(category_id=category_id)
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# 排序
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sort = request.args.get('sort', 'id')
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order = request.args.get('order', 'desc')
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if order == 'desc':
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query = query.order_by(getattr(Book, sort).desc())
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else:
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query = query.order_by(getattr(Book, sort))
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pagination = query.paginate(page=page, per_page=per_page)
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books = pagination.items
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# 获取所有分类供筛选使用
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categories = Category.query.all()
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# 记录访问日志
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Log.add_log(
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action='访问管理图书列表',
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user_id=current_user.id,
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ip_address=request.remote_addr,
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description=f"查询条件: 搜索={search}, 分类={category_id}, 排序={sort} {order}"
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)
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return render_template('book/list.html',
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books=books,
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pagination=pagination,
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search=search,
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categories=categories,
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category_id=category_id,
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sort=sort,
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order=order,
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current_user=current_user,
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is_admin_view=True)
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# 图书列表页面 - 不需要修改，已经只有@login_required
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@book_bp.route('/list')
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@login_required
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def book_list():
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print("访问图书列表页面") # 调试输出
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page = request.args.get('page', 1, type=int)
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per_page = request.args.get('per_page', 10, type=int)
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# 只显示状态为1的图书（未下架的图书）
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query = Book.query.filter_by(status=1)
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# 搜索功能
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search = request.args.get('search', '')
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if search:
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query = query.filter(
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(Book.title.contains(search)) |
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(Book.author.contains(search)) |
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(Book.isbn.contains(search))
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)
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# 分类筛选
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category_id = request.args.get('category_id', type=int)
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if category_id:
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query = query.filter_by(category_id=category_id)
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# 排序
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sort = request.args.get('sort', 'id')
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order = request.args.get('order', 'desc')
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if order == 'desc':
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query = query.order_by(getattr(Book, sort).desc())
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else:
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query = query.order_by(getattr(Book, sort))
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pagination = query.paginate(page=page, per_page=per_page)
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books = pagination.items
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# 获取所有分类供筛选使用
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categories = Category.query.all()
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# 记录访问日志
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Log.add_log(
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action='访问图书列表',
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user_id=current_user.id,
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ip_address=request.remote_addr,
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description=f"查询条件: 搜索={search}, 分类={category_id}, 排序={sort} {order}"
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)
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return render_template('book/list.html',
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books=books,
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pagination=pagination,
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search=search,
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categories=categories,
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category_id=category_id,
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sort=sort,
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order=order,
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current_user=current_user)
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# 图书详情页面 - 不需要修改，已经只有@login_required
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@book_bp.route('/detail/<int:book_id>')
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@login_required
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def book_detail(book_id):
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book = Book.query.get_or_404(book_id)
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# 添加当前时间用于判断借阅是否逾期
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now = datetime.datetime.now()
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# 如果用户是管理员，预先查询并排序借阅记录
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borrow_records = []
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# 使用current_user代替g.user
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if current_user.is_authenticated and current_user.role_id == 1:
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from app.models.borrow import BorrowRecord
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borrow_records = BorrowRecord.query.filter_by(book_id=book_id).order_by(BorrowRecord.borrow_date.desc()).limit(
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10).all()
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# 记录访问日志
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Log.add_log(
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action='查看图书详情',
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user_id=current_user.id,
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target_type='book',
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target_id=book_id,
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ip_address=request.remote_addr,
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description=f"查看图书: {book.title}"
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)
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return render_template(
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'book/detail.html',
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book=book,
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current_user=current_user,
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borrow_records=borrow_records,
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now=now
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)
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# 添加图书页面
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@book_bp.route('/add', methods=['GET', 'POST'])
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@login_required
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@permission_required('manage_books') # 替换 @admin_required
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def add_book():
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if request.method == 'POST':
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title = request.form.get('title')
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author = request.form.get('author')
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publisher = request.form.get('publisher')
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category_id = request.form.get('category_id')
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tags = request.form.get('tags')
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isbn = request.form.get('isbn')
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publish_year = request.form.get('publish_year')
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description = request.form.get('description')
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stock = request.form.get('stock', type=int, default=0)
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price = request.form.get('price')
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# 表单验证
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errors = []
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if not title:
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errors.append('书名不能为空')
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if not author:
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errors.append('作者不能为空')
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# 检查ISBN是否已存在(如果提供了ISBN)
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if isbn:
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existing_book = Book.query.filter_by(isbn=isbn).first()
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if existing_book:
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errors.append(f'ISBN "{isbn}" 已存在，请检查ISBN或查找现有图书')
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if errors:
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for error in errors:
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flash(error, 'danger')
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categories = Category.query.all()
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# 保留已填写的表单数据
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book_data = {
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'title': title,
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'author': author,
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'publisher': publisher,
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'category_id': category_id,
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'tags': tags,
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'isbn': isbn,
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'publish_year': publish_year,
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'description': description,
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'stock': stock,
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'price': price
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}
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return render_template('book/add.html', categories=categories,
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current_user=current_user, book=book_data)
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# 处理封面图片上传
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cover_url = None
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if 'cover' in request.files:
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cover_file = request.files['cover']
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if cover_file and cover_file.filename != '':
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try:
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# 更清晰的文件命名
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original_filename = secure_filename(cover_file.filename)
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# 保留原始文件扩展名
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_, ext = os.path.splitext(original_filename)
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if not ext:
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ext = '.jpg' # 默认扩展名
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filename = f"{uuid.uuid4()}{ext}"
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upload_folder = os.path.join(current_app.static_folder, 'covers')
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# 确保上传目录存在
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if not os.path.exists(upload_folder):
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os.makedirs(upload_folder)
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file_path = os.path.join(upload_folder, filename)
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cover_file.save(file_path)
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cover_url = f'/static/covers/{filename}'
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except Exception as e:
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current_app.logger.error(f"封面上传失败: {str(e)}")
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flash(f"封面上传失败: {str(e)}", 'warning')
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try:
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# 创建新图书
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book = Book(
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title=title,
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author=author,
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publisher=publisher,
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category_id=category_id,
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tags=tags,
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isbn=isbn,
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publish_year=publish_year,
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description=description,
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cover_url=cover_url,
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stock=stock,
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price=price,
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status=1,
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created_at=datetime.datetime.now(),
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updated_at=datetime.datetime.now()
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)
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db.session.add(book)
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# 先提交以获取book的id
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db.session.commit()
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# 记录库存日志 - 在获取 book.id 后
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if stock and int(stock) > 0:
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from app.models.inventory import InventoryLog
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inventory_log = InventoryLog(
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book_id=book.id,
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change_type='入库',
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change_amount=stock,
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after_stock=stock,
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operator_id=current_user.id,
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remark='新书入库',
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changed_at=datetime.datetime.now()
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)
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db.session.add(inventory_log)
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db.session.commit()
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# 记录操作日志
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Log.add_log(
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action='添加图书',
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user_id=current_user.id,
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target_type='book',
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target_id=book.id,
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ip_address=request.remote_addr,
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description=f"添加图书: {title}, ISBN: {isbn}, 初始库存: {stock}"
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)
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flash(f'《{title}》添加成功', 'success')
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return redirect(url_for('book.book_list'))
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except Exception as e:
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db.session.rollback()
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error_msg = str(e)
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# 记录详细错误日志
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current_app.logger.error(f"添加图书失败: {error_msg}")
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# 记录操作失败日志
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Log.add_log(
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action='添加图书失败',
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user_id=current_user.id,
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ip_address=request.remote_addr,
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description=f"添加图书失败: {title}, 错误: {error_msg}"
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)
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flash(f'添加图书失败: {error_msg}', 'danger')
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categories = Category.query.all()
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# 保留已填写的表单数据
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book_data = {
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'title': title,
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'author': author,
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'publisher': publisher,
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'category_id': category_id,
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'tags': tags,
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'isbn': isbn,
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'publish_year': publish_year,
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'description': description,
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'stock': stock,
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'price': price
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}
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return render_template('book/add.html', categories=categories,
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current_user=current_user, book=book_data)
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categories = Category.query.all()
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return render_template('book/add.html', categories=categories, current_user=current_user)
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# 编辑图书
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@book_bp.route('/edit/<int:book_id>', methods=['GET', 'POST'])
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@login_required
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@permission_required('manage_books') # 替换 @admin_required
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def edit_book(book_id):
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book = Book.query.get_or_404(book_id)
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if request.method == 'POST':
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# 获取表单数据
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title = request.form.get('title')
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author = request.form.get('author')
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publisher = request.form.get('publisher')
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category_id = request.form.get('category_id')
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tags = request.form.get('tags')
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isbn = request.form.get('isbn')
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publish_year = request.form.get('publish_year')
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description = request.form.get('description')
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price = request.form.get('price')
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status = request.form.get('status', type=int)
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# 基本验证
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if not title or not author:
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flash('书名和作者不能为空', 'danger')
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categories = Category.query.all()
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return render_template('book/edit.html', book=book, categories=categories, current_user=current_user)
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# ISBN验证
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if isbn and isbn.strip(): # 确保ISBN不是空字符串
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# 移除连字符和空格
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clean_isbn = isbn.replace('-', '').replace(' ', '')
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# 长度检查
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if len(clean_isbn) != 10 and len(clean_isbn) != 13:
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flash('ISBN必须是10位或13位', 'danger')
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categories = Category.query.all()
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return render_template('book/edit.html', book=book, categories=categories, current_user=current_user)
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# ISBN-10验证
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if len(clean_isbn) == 10:
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# 检查前9位是否为数字
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if not clean_isbn[:9].isdigit():
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flash('ISBN-10的前9位必须是数字', 'danger')
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categories = Category.query.all()
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return render_template('book/edit.html', book=book, categories=categories, current_user=current_user)
|
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|
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# 检查最后一位是否为数字或'X'
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if not (clean_isbn[9].isdigit() or clean_isbn[9].upper() == 'X'):
|
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flash('ISBN-10的最后一位必须是数字或X', 'danger')
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categories = Category.query.all()
|
||
return render_template('book/edit.html', book=book, categories=categories, current_user=current_user)
|
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# 校验和验证
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sum = 0
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for i in range(9):
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sum += int(clean_isbn[i]) * (10 - i)
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check_digit = 10 if clean_isbn[9].upper() == 'X' else int(clean_isbn[9])
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sum += check_digit
|
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|
||
if sum % 11 != 0:
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flash('ISBN-10校验和无效', 'danger')
|
||
categories = Category.query.all()
|
||
return render_template('book/edit.html', book=book, categories=categories, current_user=current_user)
|
||
|
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# ISBN-13验证
|
||
if len(clean_isbn) == 13:
|
||
# 检查是否全是数字
|
||
if not clean_isbn.isdigit():
|
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flash('ISBN-13必须全是数字', 'danger')
|
||
categories = Category.query.all()
|
||
return render_template('book/edit.html', book=book, categories=categories, current_user=current_user)
|
||
|
||
# 校验和验证
|
||
sum = 0
|
||
for i in range(12):
|
||
sum += int(clean_isbn[i]) * (1 if i % 2 == 0 else 3)
|
||
|
||
check_digit = (10 - (sum % 10)) % 10
|
||
|
||
if check_digit != int(clean_isbn[12]):
|
||
flash('ISBN-13校验和无效', 'danger')
|
||
categories = Category.query.all()
|
||
return render_template('book/edit.html', book=book, categories=categories, current_user=current_user)
|
||
|
||
# 处理库存变更
|
||
new_stock = request.form.get('stock', type=int) or 0 # 默认为0而非None
|
||
if new_stock != book.stock:
|
||
from app.models.inventory import InventoryLog
|
||
change_amount = new_stock - book.stock
|
||
change_type = '入库' if change_amount > 0 else '出库'
|
||
|
||
inventory_log = InventoryLog(
|
||
book_id=book.id,
|
||
change_type=change_type,
|
||
change_amount=abs(change_amount),
|
||
after_stock=new_stock,
|
||
operator_id=current_user.id,
|
||
remark=f'管理员编辑图书库存 - {book.title}',
|
||
changed_at=datetime.datetime.now()
|
||
)
|
||
db.session.add(inventory_log)
|
||
book.stock = new_stock
|
||
|
||
# 处理封面图片上传
|
||
if 'cover' in request.files:
|
||
cover_file = request.files['cover']
|
||
if cover_file and cover_file.filename != '':
|
||
filename = secure_filename(f"{uuid.uuid4()}_{cover_file.filename}")
|
||
upload_folder = os.path.join(current_app.static_folder, 'covers')
|
||
|
||
# 确保上传目录存在
|
||
if not os.path.exists(upload_folder):
|
||
os.makedirs(upload_folder)
|
||
|
||
file_path = os.path.join(upload_folder, filename)
|
||
cover_file.save(file_path)
|
||
book.cover_url = f'/static/covers/{filename}'
|
||
|
||
# 记录更新前的图书信息
|
||
old_info = f"原信息: 书名={book.title}, 作者={book.author}, ISBN={book.isbn}, 库存={book.stock}"
|
||
|
||
# 更新图书信息
|
||
book.title = title
|
||
book.author = author
|
||
book.publisher = publisher
|
||
book.category_id = category_id
|
||
book.tags = tags
|
||
book.isbn = isbn
|
||
book.publish_year = publish_year
|
||
book.description = description
|
||
book.price = price
|
||
book.status = status
|
||
book.updated_at = datetime.datetime.now()
|
||
|
||
try:
|
||
db.session.commit()
|
||
|
||
# 记录操作日志
|
||
Log.add_log(
|
||
action='编辑图书',
|
||
user_id=current_user.id,
|
||
target_type='book',
|
||
target_id=book.id,
|
||
ip_address=request.remote_addr,
|
||
description=f"编辑图书: {title}, ISBN: {isbn}, 新库存: {new_stock}\n{old_info}"
|
||
)
|
||
|
||
flash('图书信息更新成功', 'success')
|
||
return redirect(url_for('book.book_list'))
|
||
except Exception as e:
|
||
db.session.rollback()
|
||
|
||
# 记录操作失败日志
|
||
Log.add_log(
|
||
action='编辑图书失败',
|
||
user_id=current_user.id,
|
||
target_type='book',
|
||
target_id=book.id,
|
||
ip_address=request.remote_addr,
|
||
description=f"编辑图书失败: {title}, 错误: {str(e)}"
|
||
)
|
||
|
||
flash(f'保存失败: {str(e)}', 'danger')
|
||
categories = Category.query.all()
|
||
return render_template('book/edit.html', book=book, categories=categories, current_user=current_user)
|
||
|
||
# GET 请求
|
||
categories = Category.query.all()
|
||
return render_template('book/edit.html', book=book, categories=categories, current_user=current_user)
|
||
|
||
|
||
# 删除图书
|
||
@book_bp.route('/delete/<int:book_id>', methods=['POST'])
|
||
@login_required
|
||
@permission_required('manage_books') # 替换 @admin_required
|
||
def delete_book(book_id):
|
||
book = Book.query.get_or_404(book_id)
|
||
|
||
# 检查该书是否有借阅记录
|
||
from app.models.borrow import BorrowRecord
|
||
active_borrows = BorrowRecord.query.filter_by(book_id=book_id, status=1).count()
|
||
|
||
if active_borrows > 0:
|
||
# 记录操作失败日志
|
||
Log.add_log(
|
||
action='删除图书失败',
|
||
user_id=current_user.id,
|
||
target_type='book',
|
||
target_id=book_id,
|
||
ip_address=request.remote_addr,
|
||
description=f"删除图书失败: {book.title}, 原因: 该图书有未归还的借阅记录"
|
||
)
|
||
return jsonify({'success': False, 'message': '该图书有未归还的借阅记录，无法删除'})
|
||
|
||
# 考虑软删除而不是物理删除
|
||
book.status = 0 # 0表示已删除/下架
|
||
book.updated_at = datetime.datetime.now()
|
||
db.session.commit()
|
||
|
||
# 记录操作日志
|
||
Log.add_log(
|
||
action='下架图书',
|
||
user_id=current_user.id,
|
||
target_type='book',
|
||
target_id=book_id,
|
||
ip_address=request.remote_addr,
|
||
description=f"下架图书: {book.title}, ISBN: {book.isbn}"
|
||
)
|
||
|
||
return jsonify({'success': True, 'message': '图书已成功下架'})
|
||
|
||
|
||
# 图书分类管理
|
||
@book_bp.route('/categories', methods=['GET'])
|
||
@login_required
|
||
@permission_required('manage_categories') # 替换 @admin_required
|
||
def category_list():
|
||
categories = Category.query.all()
|
||
|
||
# 记录访问日志
|
||
Log.add_log(
|
||
action='访问分类管理',
|
||
user_id=current_user.id,
|
||
ip_address=request.remote_addr,
|
||
description="访问图书分类管理页面"
|
||
)
|
||
|
||
return render_template('book/categories.html', categories=categories, current_user=current_user)
|
||
|
||
|
||
# 添加分类
|
||
@book_bp.route('/categories/add', methods=['POST'])
|
||
@login_required
|
||
@permission_required('manage_categories') # 替换 @admin_required
|
||
def add_category():
|
||
name = request.form.get('name')
|
||
parent_id = request.form.get('parent_id') or None
|
||
sort = request.form.get('sort', 0, type=int)
|
||
|
||
if not name:
|
||
return jsonify({'success': False, 'message': '分类名称不能为空'})
|
||
|
||
category = Category(name=name, parent_id=parent_id, sort=sort)
|
||
db.session.add(category)
|
||
db.session.commit()
|
||
|
||
# 记录操作日志
|
||
Log.add_log(
|
||
action='添加图书分类',
|
||
user_id=current_user.id,
|
||
ip_address=request.remote_addr,
|
||
description=f"添加图书分类: {name}, 上级分类ID: {parent_id}, 排序: {sort}"
|
||
)
|
||
|
||
return jsonify({'success': True, 'message': '分类添加成功', 'id': category.id, 'name': category.name})
|
||
|
||
|
||
# 编辑分类
|
||
@book_bp.route('/categories/edit/<int:category_id>', methods=['POST'])
|
||
@login_required
|
||
@permission_required('manage_categories') # 替换 @admin_required
|
||
def edit_category(category_id):
|
||
category = Category.query.get_or_404(category_id)
|
||
|
||
old_name = category.name
|
||
old_parent_id = category.parent_id
|
||
old_sort = category.sort
|
||
|
||
name = request.form.get('name')
|
||
parent_id = request.form.get('parent_id') or None
|
||
sort = request.form.get('sort', 0, type=int)
|
||
|
||
if not name:
|
||
return jsonify({'success': False, 'message': '分类名称不能为空'})
|
||
|
||
category.name = name
|
||
category.parent_id = parent_id
|
||
category.sort = sort
|
||
db.session.commit()
|
||
|
||
# 记录操作日志
|
||
Log.add_log(
|
||
action='编辑图书分类',
|
||
user_id=current_user.id,
|
||
target_type='category',
|
||
target_id=category_id,
|
||
ip_address=request.remote_addr,
|
||
description=f"编辑图书分类: 从 [名称={old_name}, 上级={old_parent_id}, 排序={old_sort}] 修改为 [名称={name}, 上级={parent_id}, 排序={sort}]"
|
||
)
|
||
|
||
return jsonify({'success': True, 'message': '分类更新成功'})
|
||
|
||
|
||
# 删除分类
|
||
@book_bp.route('/categories/delete/<int:category_id>', methods=['POST'])
|
||
@login_required
|
||
@permission_required('manage_categories') # 替换 @admin_required
|
||
def delete_category(category_id):
|
||
category = Category.query.get_or_404(category_id)
|
||
|
||
# 检查是否有书籍使用此分类
|
||
books_count = Book.query.filter_by(category_id=category_id).count()
|
||
if books_count > 0:
|
||
# 记录操作失败日志
|
||
Log.add_log(
|
||
action='删除图书分类失败',
|
||
user_id=current_user.id,
|
||
target_type='category',
|
||
target_id=category_id,
|
||
ip_address=request.remote_addr,
|
||
description=f"删除图书分类失败: {category.name}, 原因: 该分类下有{books_count}本图书"
|
||
)
|
||
return jsonify({'success': False, 'message': f'该分类下有{books_count}本图书，无法删除'})
|
||
|
||
# 检查是否有子分类
|
||
children_count = Category.query.filter_by(parent_id=category_id).count()
|
||
if children_count > 0:
|
||
# 记录操作失败日志
|
||
Log.add_log(
|
||
action='删除图书分类失败',
|
||
user_id=current_user.id,
|
||
target_type='category',
|
||
target_id=category_id,
|
||
ip_address=request.remote_addr,
|
||
description=f"删除图书分类失败: {category.name}, 原因: 该分类下有{children_count}个子分类"
|
||
)
|
||
return jsonify({'success': False, 'message': f'该分类下有{children_count}个子分类，无法删除'})
|
||
|
||
category_name = category.name # 保存分类名称以便记录日志
|
||
|
||
db.session.delete(category)
|
||
db.session.commit()
|
||
|
||
# 记录操作日志
|
||
Log.add_log(
|
||
action='删除图书分类',
|
||
user_id=current_user.id,
|
||
target_type='category',
|
||
target_id=category_id,
|
||
ip_address=request.remote_addr,
|
||
description=f"删除图书分类: {category_name}"
|
||
)
|
||
|
||
return jsonify({'success': True, 'message': '分类删除成功'})
|
||
|
||
|
||
# 批量导入图书
|
||
@book_bp.route('/import', methods=['GET', 'POST'])
|
||
@login_required
|
||
@permission_required('import_export_books')
|
||
def import_books():
|
||
if request.method == 'POST':
|
||
if 'file' not in request.files:
|
||
flash('未选择文件', 'danger')
|
||
return redirect(request.url)
|
||
|
||
file = request.files['file']
|
||
if file.filename == '':
|
||
flash('未选择文件', 'danger')
|
||
return redirect(request.url)
|
||
|
||
if file and file.filename.endswith(('.xlsx', '.xls')):
|
||
try:
|
||
# 添加详细日志
|
||
current_app.logger.info(f"开始导入Excel文件: {file.filename}")
|
||
|
||
# 读取Excel文件
|
||
df = pd.read_excel(file)
|
||
current_app.logger.info(f"成功读取Excel文件，共有{len(df)}行数据")
|
||
|
||
# 打印DataFrame的列名和前几行数据，帮助诊断问题
|
||
current_app.logger.info(f"Excel文件列名: {df.columns.tolist()}")
|
||
current_app.logger.info(f"Excel文件前两行数据:\n{df.head(2)}")
|
||
|
||
success_count = 0
|
||
update_count = 0 # 新增：更新计数
|
||
error_count = 0
|
||
errors = []
|
||
|
||
# 检查必填列是否存在
|
||
required_columns = ['title', 'author']
|
||
missing_columns = [col for col in required_columns if col not in df.columns]
|
||
if missing_columns:
|
||
error_msg = f"Excel文件缺少必要的列: {', '.join(missing_columns)}"
|
||
current_app.logger.error(error_msg)
|
||
flash(error_msg, 'danger')
|
||
return redirect(request.url)
|
||
|
||
# 处理每一行数据
|
||
for index, row in df.iterrows():
|
||
try:
|
||
current_app.logger.debug(f"处理第{index + 2}行数据")
|
||
|
||
# 检查必填字段
|
||
if pd.isna(row.get('title')) or pd.isna(row.get('author')):
|
||
error_msg = f'第{index + 2}行: 书名或作者为空'
|
||
current_app.logger.warning(error_msg)
|
||
errors.append(error_msg)
|
||
error_count += 1
|
||
continue
|
||
|
||
# 处理数据类型转换
|
||
try:
|
||
stock = int(row.get('stock')) if not pd.isna(row.get('stock')) else 0
|
||
except ValueError:
|
||
error_msg = f'第{index + 2}行: 库存数量必须是整数'
|
||
current_app.logger.warning(error_msg)
|
||
errors.append(error_msg)
|
||
error_count += 1
|
||
continue
|
||
|
||
try:
|
||
price = float(row.get('price')) if not pd.isna(row.get('price')) else None
|
||
except ValueError:
|
||
error_msg = f'第{index + 2}行: 价格必须是数字'
|
||
current_app.logger.warning(error_msg)
|
||
errors.append(error_msg)
|
||
error_count += 1
|
||
continue
|
||
|
||
try:
|
||
category_id = int(row.get('category_id')) if not pd.isna(row.get('category_id')) else None
|
||
if category_id and not Category.query.get(category_id):
|
||
error_msg = f'第{index + 2}行: 分类ID {category_id} 不存在'
|
||
current_app.logger.warning(error_msg)
|
||
errors.append(error_msg)
|
||
error_count += 1
|
||
continue
|
||
except ValueError:
|
||
error_msg = f'第{index + 2}行: 分类ID必须是整数'
|
||
current_app.logger.warning(error_msg)
|
||
errors.append(error_msg)
|
||
error_count += 1
|
||
continue
|
||
|
||
# 检查ISBN是否已存在
|
||
isbn = row.get('isbn')
|
||
existing_book = None
|
||
|
||
if isbn and not pd.isna(isbn):
|
||
isbn = str(isbn)
|
||
existing_book = Book.query.filter_by(isbn=isbn).first()
|
||
|
||
# 如果ISBN已存在，检查状态
|
||
if existing_book:
|
||
if existing_book.status == 1:
|
||
# 活跃的图书，不允许重复导入
|
||
error_msg = f'第{index + 2}行: ISBN {isbn} 已存在于活跃图书中'
|
||
current_app.logger.warning(error_msg)
|
||
errors.append(error_msg)
|
||
error_count += 1
|
||
continue
|
||
else:
|
||
# 已软删除的图书，更新它
|
||
current_app.logger.info(f"第{index + 2}行: 发现已删除的ISBN {isbn}，将更新该记录")
|
||
|
||
# 更新图书信息
|
||
existing_book.title = row.get('title')
|
||
existing_book.author = row.get('author')
|
||
existing_book.publisher = row.get('publisher') if not pd.isna(
|
||
row.get('publisher')) else None
|
||
existing_book.category_id = category_id
|
||
existing_book.tags = row.get('tags') if not pd.isna(row.get('tags')) else None
|
||
existing_book.publish_year = str(row.get('publish_year')) if not pd.isna(
|
||
row.get('publish_year')) else None
|
||
existing_book.description = row.get('description') if not pd.isna(
|
||
row.get('description')) else None
|
||
existing_book.cover_url = row.get('cover_url') if not pd.isna(
|
||
row.get('cover_url')) else None
|
||
existing_book.price = price
|
||
existing_book.status = 1 # 重新激活图书
|
||
existing_book.updated_at = datetime.datetime.now()
|
||
|
||
# 处理库存变更
|
||
stock_change = stock - existing_book.stock
|
||
existing_book.stock = stock
|
||
|
||
# 创建库存日志
|
||
if stock_change != 0:
|
||
from app.models.inventory import InventoryLog
|
||
change_type = '入库' if stock_change > 0 else '出库'
|
||
|
||
inventory_log = InventoryLog(
|
||
book_id=existing_book.id,
|
||
change_type=change_type,
|
||
change_amount=abs(stock_change),
|
||
after_stock=stock,
|
||
operator_id=current_user.id,
|
||
remark='批量导入更新图书',
|
||
changed_at=datetime.datetime.now()
|
||
)
|
||
db.session.add(inventory_log)
|
||
|
||
update_count += 1
|
||
continue # 继续处理下一行
|
||
|
||
# 创建新书籍记录
|
||
book = Book(
|
||
title=row.get('title'),
|
||
author=row.get('author'),
|
||
publisher=row.get('publisher') if not pd.isna(row.get('publisher')) else None,
|
||
category_id=category_id,
|
||
tags=row.get('tags') if not pd.isna(row.get('tags')) else None,
|
||
isbn=isbn,
|
||
publish_year=str(row.get('publish_year')) if not pd.isna(row.get('publish_year')) else None,
|
||
description=row.get('description') if not pd.isna(row.get('description')) else None,
|
||
cover_url=row.get('cover_url') if not pd.isna(row.get('cover_url')) else None,
|
||
stock=stock,
|
||
price=price,
|
||
status=1,
|
||
created_at=datetime.datetime.now(),
|
||
updated_at=datetime.datetime.now()
|
||
)
|
||
|
||
db.session.add(book)
|
||
# 提交以获取book的id
|
||
db.session.flush()
|
||
|
||
current_app.logger.debug(f"书籍添加成功: {book.title}, ID: {book.id}")
|
||
|
||
# 创建库存日志
|
||
if book.stock > 0:
|
||
from app.models.inventory import InventoryLog
|
||
inventory_log = InventoryLog(
|
||
book_id=book.id,
|
||
change_type='入库',
|
||
change_amount=book.stock,
|
||
after_stock=book.stock,
|
||
operator_id=current_user.id,
|
||
remark='批量导入图书',
|
||
changed_at=datetime.datetime.now()
|
||
)
|
||
db.session.add(inventory_log)
|
||
current_app.logger.debug(f"库存日志添加成功: 书籍ID {book.id}, 数量 {book.stock}")
|
||
|
||
success_count += 1
|
||
|
||
except Exception as e:
|
||
error_msg = f'第{index + 2}行: {str(e)}'
|
||
current_app.logger.error(f"处理第{index + 2}行时出错: {str(e)}")
|
||
errors.append(error_msg)
|
||
error_count += 1
|
||
db.session.rollback() # 每行错误单独回滚
|
||
|
||
try:
|
||
# 最终提交所有成功的记录
|
||
if success_count > 0 or update_count > 0:
|
||
db.session.commit()
|
||
|
||
current_app.logger.info(f"导入完成: 新增{success_count}条，更新{update_count}条，失败{error_count}条")
|
||
|
||
# 记录操作日志
|
||
Log.add_log(
|
||
action='批量导入图书',
|
||
user_id=current_user.id,
|
||
ip_address=request.remote_addr,
|
||
description=f"批量导入图书: 新增{success_count}条，更新{update_count}条，失败{error_count}条，文件名：{file.filename}"
|
||
)
|
||
|
||
# 输出详细的错误信息
|
||
if success_count > 0 or update_count > 0:
|
||
flash(f'导入完成: 新增{success_count}条，更新{update_count}条，失败{error_count}条', 'success')
|
||
else:
|
||
flash(f'导入完成: 新增{success_count}条，更新{update_count}条，失败{error_count}条', 'warning')
|
||
|
||
if errors:
|
||
error_display = '<br>'.join(errors[:10])
|
||
if len(errors) > 10:
|
||
error_display += f'<br>...等共{len(errors)}个错误'
|
||
flash(error_display, 'warning')
|
||
|
||
return redirect(url_for('book.book_list'))
|
||
|
||
except Exception as commit_error:
|
||
db.session.rollback()
|
||
error_msg = f"提交数据库事务失败: {str(commit_error)}"
|
||
current_app.logger.error(error_msg)
|
||
flash(error_msg, 'danger')
|
||
return redirect(request.url)
|
||
|
||
except Exception as e:
|
||
db.session.rollback()
|
||
# 记录详细错误日志
|
||
error_msg = f"批量导入图书失败: {str(e)}"
|
||
current_app.logger.error(error_msg)
|
||
|
||
# 记录操作失败日志
|
||
Log.add_log(
|
||
action='批量导入图书失败',
|
||
user_id=current_user.id,
|
||
ip_address=request.remote_addr,
|
||
description=f"批量导入图书失败: {str(e)}, 文件名：{file.filename}"
|
||
)
|
||
|
||
flash(f'导入失败: {str(e)}', 'danger')
|
||
return redirect(request.url)
|
||
else:
|
||
flash('只支持Excel文件(.xlsx, .xls)', 'danger')
|
||
return redirect(request.url)
|
||
|
||
return render_template('book/import.html', current_user=current_user)
|
||
|
||
|
||
# 导出图书
|
||
@book_bp.route('/export', methods=['GET'])
|
||
@login_required
|
||
@permission_required('import_export_books')
|
||
def export_books():
|
||
try:
|
||
# 获取所有活跃的图书
|
||
books = Book.query.filter_by(status=1).all()
|
||
|
||
# 创建工作簿和工作表
|
||
output = BytesIO()
|
||
workbook = xlsxwriter.Workbook(output)
|
||
worksheet = workbook.add_worksheet()
|
||
|
||
# 添加表头
|
||
headers = ['ID', '书名', '作者', '出版社', '分类', '标签', 'ISBN', '出版年份',
|
||
'描述', '封面链接', '库存', '价格', '创建时间', '更新时间']
|
||
for col_num, header in enumerate(headers):
|
||
worksheet.write(0, col_num, header)
|
||
|
||
# 不使用status过滤条件，因为Category模型没有status字段
|
||
category_dict = {}
|
||
try:
|
||
categories = db.session.execute(
|
||
text("SELECT id, name FROM categories")
|
||
).fetchall()
|
||
for cat in categories:
|
||
category_dict[cat[0]] = cat[1]
|
||
except Exception as ex:
|
||
current_app.logger.warning(f"获取分类失败: {str(ex)}")
|
||
|
||
# 添加数据行
|
||
for row_num, book in enumerate(books, 1):
|
||
# 获取分类名称（如果有）
|
||
category_name = category_dict.get(book.category_id, "") if book.category_id else ""
|
||
|
||
# 格式化日期
|
||
created_at = book.created_at.strftime('%Y-%m-%d %H:%M:%S') if book.created_at else ""
|
||
updated_at = book.updated_at.strftime('%Y-%m-%d %H:%M:%S') if book.updated_at else ""
|
||
|
||
# 写入图书数据
|
||
worksheet.write(row_num, 0, book.id)
|
||
worksheet.write(row_num, 1, book.title)
|
||
worksheet.write(row_num, 2, book.author)
|
||
worksheet.write(row_num, 3, book.publisher or "")
|
||
worksheet.write(row_num, 4, category_name)
|
||
worksheet.write(row_num, 5, book.tags or "")
|
||
worksheet.write(row_num, 6, book.isbn or "")
|
||
worksheet.write(row_num, 7, book.publish_year or "")
|
||
worksheet.write(row_num, 8, book.description or "")
|
||
worksheet.write(row_num, 9, book.cover_url or "")
|
||
worksheet.write(row_num, 10, book.stock)
|
||
worksheet.write(row_num, 11, float(book.price) if book.price else 0)
|
||
worksheet.write(row_num, 12, created_at)
|
||
worksheet.write(row_num, 13, updated_at)
|
||
|
||
# 关闭工作簿
|
||
workbook.close()
|
||
|
||
# 设置响应
|
||
output.seek(0)
|
||
|
||
# 记录操作日志
|
||
Log.add_log(
|
||
action='导出图书',
|
||
user_id=current_user.id,
|
||
ip_address=request.remote_addr,
|
||
description=f"导出了{len(books)}本图书"
|
||
)
|
||
|
||
# 返回文件
|
||
return send_file(
|
||
output,
|
||
as_attachment=True,
|
||
download_name=f"图书导出_{datetime.datetime.now().strftime('%Y%m%d%H%M%S')}.xlsx",
|
||
mimetype='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
|
||
)
|
||
|
||
except Exception as e:
|
||
current_app.logger.error(f"导出图书失败: {str(e)}")
|
||
flash(f'导出失败: {str(e)}', 'danger')
|
||
return redirect(url_for('book.book_list'))
|
||
|
||
|
||
@book_bp.route('/test-permissions')
|
||
def test_permissions():
|
||
"""测试当前用户权限"""
|
||
if not current_user.is_authenticated:
|
||
return "未登录"
|
||
|
||
return f"""
|
||
<h1>用户权限信息</h1>
|
||
<p>用户名: {current_user.username}</p>
|
||
<p>角色ID: {current_user.role_id}</p>
|
||
<p>是否管理员: {'是' if current_user.role_id == 1 else '否'}</p>
|
||
<p><a href="/book/admin/list">尝试访问管理页面</a></p>
|
||
"""
|
||
|
||
|
||
# 图书浏览页面 - 不需要修改，已经只有@login_required
|
||
@book_bp.route('/browse')
|
||
@login_required
|
||
def browse_books():
|
||
"""图书浏览页面 - 面向普通用户的友好界面"""
|
||
page = request.args.get('page', 1, type=int)
|
||
per_page = request.args.get('per_page', 12, type=int) # 增加每页数量
|
||
|
||
# 只显示状态为1的图书（未下架的图书）
|
||
query = Book.query.filter_by(status=1)
|
||
|
||
# 搜索功能
|
||
search = request.args.get('search', '')
|
||
if search:
|
||
query = query.filter(
|
||
(Book.title.contains(search)) |
|
||
(Book.author.contains(search)) |
|
||
(Book.isbn.contains(search))
|
||
)
|
||
|
||
# 分类筛选
|
||
category_id = request.args.get('category_id', type=int)
|
||
if category_id:
|
||
query = query.filter_by(category_id=category_id)
|
||
|
||
# 排序
|
||
sort = request.args.get('sort', 'id')
|
||
order = request.args.get('order', 'desc')
|
||
|
||
if order == 'desc':
|
||
query = query.order_by(getattr(Book, sort).desc())
|
||
else:
|
||
query = query.order_by(getattr(Book, sort))
|
||
|
||
pagination = query.paginate(page=page, per_page=per_page)
|
||
books = pagination.items
|
||
|
||
# 获取所有分类供筛选使用
|
||
categories = Category.query.all()
|
||
|
||
# 记录访问日志
|
||
Log.add_log(
|
||
action='浏览图书',
|
||
user_id=current_user.id,
|
||
ip_address=request.remote_addr,
|
||
description=f"浏览图书: 搜索={search}, 分类={category_id}, 排序={sort} {order}"
|
||
)
|
||
|
||
return render_template('book/browse.html',
|
||
books=books,
|
||
pagination=pagination,
|
||
search=search,
|
||
categories=categories,
|
||
category_id=category_id,
|
||
sort=sort,
|
||
order=order)
|
||
|
||
|
||
@book_bp.route('/template/download')
|
||
@login_required
|
||
@permission_required('import_export_books')
|
||
def download_template():
|
||
"""下载图书导入模板"""
|
||
import tempfile
|
||
import os
|
||
from openpyxl import Workbook
|
||
from openpyxl.styles import Font, PatternFill, Alignment, Border, Side
|
||
from openpyxl.utils import get_column_letter
|
||
from flask import after_this_request, current_app as app, send_file
|
||
|
||
# 创建工作簿和工作表
|
||
wb = Workbook()
|
||
ws = wb.active
|
||
ws.title = "图书导入模板"
|
||
|
||
# 定义样式
|
||
header_font = Font(name='微软雅黑', size=11, bold=True, color="FFFFFF")
|
||
header_fill = PatternFill(start_color="4472C4", end_color="4472C4", fill_type="solid")
|
||
required_font = Font(name='微软雅黑', size=11, bold=True, color="FF0000")
|
||
optional_font = Font(name='微软雅黑', size=11)
|
||
center_alignment = Alignment(horizontal='center', vertical='center', wrap_text=True)
|
||
left_alignment = Alignment(vertical='center', wrap_text=True)
|
||
|
||
# 定义边框样式
|
||
thin_border = Border(
|
||
left=Side(style='thin'),
|
||
right=Side(style='thin'),
|
||
top=Side(style='thin'),
|
||
bottom=Side(style='thin')
|
||
)
|
||
|
||
# 定义列宽
|
||
column_widths = {
|
||
'A': 30, # title
|
||
'B': 20, # author
|
||
'C': 20, # publisher
|
||
'D': 15, # category_id
|
||
'E': 25, # tags
|
||
'F': 15, # isbn
|
||
'G': 15, # publish_year
|
||
'H': 40, # description
|
||
'I': 30, # cover_url
|
||
'J': 10, # stock
|
||
'K': 10, # price
|
||
}
|
||
|
||
# 设置列宽
|
||
for col, width in column_widths.items():
|
||
ws.column_dimensions[col].width = width
|
||
|
||
# 定义字段信息
|
||
fields = [
|
||
{'name': 'title', 'desc': '图书标题', 'required': True, 'example': '哈利·波特与魔法石'},
|
||
{'name': 'author', 'desc': '作者名称', 'required': True, 'example': 'J.K.罗琳'},
|
||
{'name': 'publisher', 'desc': '出版社', 'required': False, 'example': '人民文学出版社'},
|
||
{'name': 'category_id', 'desc': '分类ID', 'required': False, 'example': '1'},
|
||
{'name': 'tags', 'desc': '标签', 'required': False, 'example': '魔幻,冒险,青少年文学'},
|
||
{'name': 'isbn', 'desc': 'ISBN编号', 'required': False, 'example': '9787020042494'},
|
||
{'name': 'publish_year', 'desc': '出版年份', 'required': False, 'example': '2000'},
|
||
{'name': 'description', 'desc': '图书简介', 'required': False,
|
||
'example': '这是一本关于魔法的书籍，讲述了小男孩哈利...'},
|
||
{'name': 'cover_url', 'desc': '封面图片URL', 'required': False, 'example': 'https://example.com/covers/hp.jpg'},
|
||
{'name': 'stock', 'desc': '库存数量', 'required': False, 'example': '10'},
|
||
{'name': 'price', 'desc': '价格', 'required': False, 'example': '39.5'},
|
||
]
|
||
|
||
# 添加标题行
|
||
ws.append([f"{field['name']}" for field in fields])
|
||
|
||
# 设置标题行样式
|
||
for col_idx, field in enumerate(fields, start=1):
|
||
cell = ws.cell(row=1, column=col_idx)
|
||
cell.font = header_font
|
||
cell.fill = header_fill
|
||
cell.alignment = center_alignment
|
||
cell.border = thin_border
|
||
|
||
# 添加示例数据行
|
||
ws.append([field['example'] for field in fields])
|
||
|
||
# 设置示例行样式
|
||
for col_idx, field in enumerate(fields, start=1):
|
||
cell = ws.cell(row=2, column=col_idx)
|
||
cell.alignment = left_alignment
|
||
cell.border = thin_border
|
||
if field['required']:
|
||
cell.font = required_font
|
||
else:
|
||
cell.font = optional_font
|
||
|
||
# 冻结首行
|
||
ws.freeze_panes = "A2"
|
||
|
||
# 添加说明工作表
|
||
instructions_ws = wb.create_sheet(title="填写说明")
|
||
|
||
# 设置说明工作表的列宽
|
||
instructions_ws.column_dimensions['A'].width = 15
|
||
instructions_ws.column_dimensions['B'].width = 20
|
||
instructions_ws.column_dimensions['C'].width = 60
|
||
|
||
# 添加说明标题
|
||
instructions_ws.append(["字段名", "说明", "备注"])
|
||
|
||
# 设置标题行样式
|
||
for col_idx in range(1, 4):
|
||
cell = instructions_ws.cell(row=1, column=col_idx)
|
||
cell.font = header_font
|
||
cell.fill = header_fill
|
||
cell.alignment = center_alignment
|
||
cell.border = thin_border
|
||
|
||
# 字段详细说明
|
||
notes = {
|
||
'title': "图书的完整名称，例如：'哈利·波特与魔法石'。必须填写且不能为空。",
|
||
'author': "图书的作者名称，例如：'J.K.罗琳'。必须填写且不能为空。如有多个作者，请用逗号分隔。",
|
||
'publisher': "出版社名称，例如：'人民文学出版社'。",
|
||
'category_id': "图书分类的系统ID。请在系统的分类管理页面查看ID。如果不确定，可以留空，系统将使用默认分类。",
|
||
'tags': "图书的标签，多个标签请用英文逗号分隔，例如：'魔幻,冒险,青少年文学'。",
|
||
'isbn': "图书的ISBN号码，例如：'9787020042494'。请输入完整的13位或10位ISBN。",
|
||
'publish_year': "图书的出版年份，例如：'2000'。请输入4位数字年份。",
|
||
'description': "图书的简介或摘要。可以输入详细的描述信息，系统支持换行和基本格式。",
|
||
'cover_url': "图书封面的在线URL地址。如果有图片网址，系统将自动下载并设置为封面。",
|
||
'stock': "图书的库存数量，例如：'10'。请输入整数。",
|
||
'price': "图书的价格，例如：'39.5'。可以输入小数。"
|
||
}
|
||
|
||
# 添加字段说明
|
||
for idx, field in enumerate(fields, start=2):
|
||
required_text = "【必填】" if field['required'] else "【选填】"
|
||
instructions_ws.append([
|
||
field['name'],
|
||
f"{field['desc']} {required_text}",
|
||
notes.get(field['name'], "")
|
||
])
|
||
|
||
# 设置单元格样式
|
||
for col_idx in range(1, 4):
|
||
cell = instructions_ws.cell(row=idx, column=col_idx)
|
||
cell.alignment = left_alignment
|
||
cell.border = thin_border
|
||
if field['required'] and col_idx == 2:
|
||
cell.font = required_font
|
||
else:
|
||
cell.font = optional_font
|
||
|
||
# 添加示例行
|
||
instructions_ws.append(["", "", ""])
|
||
instructions_ws.append(["示例", "", "以下是完整的示例数据："])
|
||
|
||
example_data = [
|
||
{"title": "哈利·波特与魔法石", "author": "J.K.罗琳", "publisher": "人民文学出版社",
|
||
"category_id": "1", "tags": "魔幻,冒险,青少年文学", "isbn": "9787020042494",
|
||
"publish_year": "2000", "description": "这是一本关于魔法的书籍，讲述了小男孩哈利...",
|
||
"cover_url": "https://example.com/covers/hp.jpg", "stock": "10", "price": "39.5"},
|
||
|
||
{"title": "三体", "author": "刘慈欣", "publisher": "重庆出版社",
|
||
"category_id": "2", "tags": "科幻,硬科幻,中国科幻", "isbn": "9787536692930",
|
||
"publish_year": "2008", "description": "文化大革命如火如荼进行的同时...",
|
||
"cover_url": "https://example.com/covers/threebody.jpg", "stock": "15", "price": "59.8"},
|
||
|
||
{"title": "平凡的世界", "author": "路遥", "publisher": "北京十月文艺出版社",
|
||
"category_id": "3", "tags": "文学,现实主义,农村", "isbn": "9787530216781",
|
||
"publish_year": "2017", "description": "这是一部全景式地表现中国当代城乡社会...",
|
||
"cover_url": "https://example.com/covers/world.jpg", "stock": "8", "price": "128.0"}
|
||
]
|
||
|
||
# 添加3个完整示例到主模板工作表
|
||
for example in example_data:
|
||
row_data = [example.get(field['name'], '') for field in fields]
|
||
ws.append(row_data)
|
||
|
||
# 设置示例数据样式
|
||
for row_idx in range(3, 6):
|
||
for col_idx in range(1, len(fields) + 1):
|
||
cell = ws.cell(row=row_idx, column=col_idx)
|
||
cell.alignment = left_alignment
|
||
cell.border = thin_border
|
||
|
||
# 使用临时文件保存工作簿
|
||
fd, temp_path = tempfile.mkstemp(suffix='.xlsx')
|
||
os.close(fd)
|
||
|
||
try:
|
||
wb.save(temp_path)
|
||
|
||
# 注册一个函数在响应完成后删除临时文件
|
||
@after_this_request
|
||
def remove_file(response):
|
||
try:
|
||
os.unlink(temp_path)
|
||
except Exception as error:
|
||
app.logger.error("删除临时文件出错: %s", error)
|
||
return response
|
||
|
||
response = send_file(
|
||
temp_path,
|
||
as_attachment=True,
|
||
download_name='图书导入模板.xlsx',
|
||
mimetype='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
|
||
)
|
||
|
||
# 添加防止缓存的头信息
|
||
response.headers["Cache-Control"] = "no-cache, no-store, must-revalidate"
|
||
response.headers["Pragma"] = "no-cache"
|
||
response.headers["Expires"] = "0"
|
||
|
||
return response
|
||
except Exception as e:
|
||
# 确保在出错时也删除临时文件
|
||
try:
|
||
os.unlink(temp_path)
|
||
except:
|
||
pass
|
||
app.logger.error("生成模板文件出错: %s", str(e))
|
||
return {"error": "生成模板文件失败，请稍后再试"}, 500
|