75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
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"""
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Product业务逻辑服务层
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"""
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from typing import Optional, Tuple, List
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from flask import current_app
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from sqlalchemy import func, or_
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from app import db
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from app.models import Product, Version
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from app.utils.logger import log_operation
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class ProductService:
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"""产品业务逻辑服务"""
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@staticmethod
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def get_products(
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page: int = 1,
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per_page: int = 20,
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keyword: str = '',
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product_type: Optional[str] = None,
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is_paid: Optional[int] = None
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) -> Tuple[List[Product], int]:
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"""
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获取产品列表
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:param page: 页码
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:param per_page: 每页数量
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:param keyword: 关键词
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:param product_type: 产品类型
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:param is_paid: 是否付费
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:return: (产品列表, 总数)
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"""
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query = Product.query.filter_by(status=1) # 只显示启用的产品
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# 关键词搜索
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if keyword:
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escaped_keyword = keyword.replace('%', '\\%').replace('_', '\\_')
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pattern = f'%{escaped_keyword}%'
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query = query.filter(
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or_(
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Product.product_name.like(pattern, escape='\\'),
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Product.description.like(pattern, escape='\\')
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)
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)
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# 筛选条件
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if product_type:
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query = query.filter(Product.product_type == product_type)
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query = query.order_by(Product.create_time.desc())
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# 分页
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pagination = query.paginate(page=page, per_page=per_page, error_out=False)
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return pagination.items, pagination.total
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@staticmethod
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def get_product(product_id: str) -> Optional[Product]:
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"""
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获取产品详情
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:param product_id: 产品ID
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:return: 产品对象
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"""
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return Product.query.filter_by(product_id=product_id, status=1).first()
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@staticmethod
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def get_latest_version(product_id: str) -> Optional[Version]:
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"""
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获取产品最新版本
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:param product_id: 产品ID
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:return: 版本对象
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"""
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return Version.query.filter_by(
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product_id=product_id,
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publish_status=1
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).order_by(Version.update_time.desc(), Version.create_time.desc()).first()
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