187 lines
6.4 KiB
Python
187 lines
6.4 KiB
Python
"""
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主页面视图
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"""
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from flask import Blueprint, render_template, session, current_app, request, redirect, url_for
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from app.models.user import User
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from app.models.product import Product, Category
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from sqlalchemy import func
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main_bp = Blueprint('main', __name__)
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@main_bp.route('/')
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def index():
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"""首页"""
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user = None
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if 'user_id' in session:
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try:
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user = User.query.get(session['user_id'])
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if user and user.status != 1:
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# 用户被禁用，清除session
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session.pop('user_id', None)
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user = None
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except Exception as e:
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current_app.logger.error(f"获取用户信息失败: {str(e)}")
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session.pop('user_id', None)
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user = None
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# 获取热门商品（按销量排序，取前8个）
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hot_products = Product.query.filter_by(status=1)\
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.order_by(Product.sales_count.desc())\
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.limit(8).all()
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# 获取最新商品（按创建时间排序，取前8个）
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new_products = Product.query.filter_by(status=1)\
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.order_by(Product.created_at.desc())\
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.limit(8).all()
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# 获取活跃的顶级分类（用于导航）
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top_categories = Category.query.filter_by(is_active=1, parent_id=0)\
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.order_by(Category.sort_order)\
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.limit(6).all()
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return render_template('index.html',
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user=user,
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hot_products=hot_products,
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new_products=new_products,
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top_categories=top_categories)
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@main_bp.route('/products')
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def product_list():
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"""商品列表页面"""
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page = request.args.get('page', 1, type=int)
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per_page = 20
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# 基础查询：只显示上架商品
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query = Product.query.filter_by(status=1)
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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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# 获取该分类及其所有子分类的商品
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category = Category.query.get_or_404(category_id)
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if category.level == 1: # 一级分类，查找所有子分类
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subcategory_ids = [c.id for c in Category.query.filter_by(parent_id=category_id).all()]
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subcategory_ids.append(category_id)
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query = query.filter(Product.category_id.in_(subcategory_ids))
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else:
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query = query.filter_by(category_id=category_id)
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# 搜索功能
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search = request.args.get('search', '').strip()
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if search:
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query = query.filter(Product.name.like(f'%{search}%'))
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# 价格筛选
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min_price = request.args.get('min_price', type=float)
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max_price = request.args.get('max_price', type=float)
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if min_price is not None:
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query = query.filter(Product.price >= min_price)
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if max_price is not None:
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query = query.filter(Product.price <= max_price)
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# 排序
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sort = request.args.get('sort', 'default')
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if sort == 'price_asc':
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query = query.order_by(Product.price.asc())
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elif sort == 'price_desc':
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query = query.order_by(Product.price.desc())
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elif sort == 'sales':
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query = query.order_by(Product.sales_count.desc())
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elif sort == 'newest':
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query = query.order_by(Product.created_at.desc())
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else: # default
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query = query.order_by(Product.created_at.desc())
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# 分页
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products = query.paginate(page=page, per_page=per_page, error_out=False)
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# 获取所有分类用于侧边栏
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categories = Category.query.filter_by(is_active=1, parent_id=0)\
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.order_by(Category.sort_order).all()
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# 当前分类信息
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current_category = None
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if category_id:
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current_category = Category.query.get(category_id)
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return render_template('product/list.html',
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products=products,
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categories=categories,
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current_category=current_category,
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search=search,
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category_id=category_id,
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sort=sort,
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min_price=min_price,
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max_price=max_price)
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@main_bp.route('/products/<int:product_id>')
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def product_detail(product_id):
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"""商品详情页面"""
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product = Product.query.filter_by(id=product_id, status=1).first_or_404()
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# 增加浏览量
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try:
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product.view_count += 1
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from config.database import db
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db.session.commit()
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except Exception as e:
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current_app.logger.error(f"更新浏览量失败: {str(e)}")
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# 获取商品图片（按排序）
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images = product.images
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if images:
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images = sorted(images, key=lambda x: x.sort_order)
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# 获取商品库存信息并转换为字典
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inventory_list = product.inventory
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inventory_data = []
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if inventory_list:
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for inventory in inventory_list:
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inventory_data.append({
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'id': inventory.id,
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'sku_code': inventory.sku_code,
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'spec_combination': inventory.spec_combination,
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'price_adjustment': float(inventory.price_adjustment) if inventory.price_adjustment else 0,
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'stock': inventory.stock,
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'warning_stock': inventory.warning_stock,
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'is_default': inventory.is_default,
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'status': inventory.status,
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'final_price': inventory.get_final_price()
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})
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# 获取推荐商品（同分类的其他商品）
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recommended_products = Product.query.filter(
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Product.category_id == product.category_id,
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Product.id != product.id,
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Product.status == 1
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).order_by(Product.sales_count.desc()).limit(4).all()
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return render_template('product/detail.html',
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product=product,
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images=images,
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inventory_list=inventory_list,
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inventory_data=inventory_data,
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recommended_products=recommended_products)
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@main_bp.route('/category/<int:category_id>')
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def category_products(category_id):
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"""分类商品页面（重定向到商品列表）"""
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return redirect(url_for('main.product_list', category_id=category_id))
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@main_bp.route('/search')
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def search():
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"""搜索页面（重定向到商品列表）"""
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search_query = request.args.get('q', '').strip()
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return redirect(url_for('main.product_list', search=search_query))
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@main_bp.route('/about')
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def about():
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"""关于我们"""
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return render_template('about.html')
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