127 lines
4.6 KiB
Python
127 lines
4.6 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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动作点数据模型
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基于现有的vwed_operate_point表结构进行扩展
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动作点和库位是同一个概念
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"""
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from sqlalchemy import Column, String, Integer, Boolean, Text, DateTime, ForeignKey, Enum
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from sqlalchemy.orm import relationship
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from sqlalchemy.dialects.mysql import CHAR
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from .base import BaseModel
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from .storage_area import StorageAreaType
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class OperatePoint(BaseModel):
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"""
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动作点数据模型
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继承现有的vwed_operate_point表结构并扩展
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"""
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__tablename__ = 'vwed_operate_point'
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id = Column(CHAR(64), primary_key=True, comment='动作点ID')
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station_name = Column(String(64), nullable=False, comment='动作站点名称')
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# storage_location_name = Column(String(64), nullable=False, comment='库位名称')
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scene_id = Column(String(64), nullable=False, comment='场景ID')
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# 原有字段
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# is_occupied = Column(Boolean, nullable=False, default=False, comment='是否占用')
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# is_locked = Column(Boolean, nullable=False, default=False, comment='是否锁定')
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is_disabled = Column(Boolean, nullable=False, default=False, comment='是否禁用')
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# is_empty_tray = Column(Boolean, nullable=False, default=False, comment='是否空托盘')
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content = Column(String(100), nullable=False, default='', comment='内容')
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tags = Column(String(100), nullable=False, default='', comment='标签')
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# 库区关联
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storage_area_id = Column(CHAR(64), ForeignKey('vwed_storage_area.id'), nullable=True, comment='所属库区ID')
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# 库区类型
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storage_area_type = Column(Enum(StorageAreaType), nullable=True, comment='库区类型')
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# 库区名称
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area_name = Column(String(64), nullable=True, comment='库区名称')
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# 动作点属性
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max_layers = Column(Integer, nullable=False, default=1, comment='最大层数')
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current_layers = Column(Integer, nullable=False, default=0, comment='当前使用层数')
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# 动作点位置信息
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position_x = Column(Integer, comment='X坐标', nullable=True)
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position_y = Column(Integer, comment='Y坐标', nullable=True)
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position_z = Column(Integer, comment='Z坐标', nullable=True)
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# 动作点配置
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description = Column(Text, comment='动作点描述')
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# 关联关系
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storage_area = relationship("StorageArea", back_populates="operate_points")
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layers = relationship(
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"OperatePointLayer",
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back_populates="operate_point",
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cascade="all, delete-orphan",
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order_by="OperatePointLayer.layer_index"
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)
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def __repr__(self):
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return f"<OperatePoint(id={self.id}, station_name={self.station_name}, storage_area_id={self.storage_area_id}, storage_area_type={self.storage_area_type}, area_name={self.area_name})>"
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def get_available_layers(self):
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"""获取可用层数"""
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return self.max_layers - self.current_layers
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def get_layer_usage_rate(self):
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"""获取层使用率"""
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if self.max_layers == 0:
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return 0.0
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return (self.current_layers / self.max_layers) * 100.0
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def is_full(self):
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"""是否已满"""
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return self.current_layers >= self.max_layers
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def is_empty(self):
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"""是否为空"""
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return self.current_layers == 0
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def can_store_goods(self):
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"""是否可以存放货物"""
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return (not self.is_disabled and
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not self.is_full() and
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self.max_layers > 0)
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def can_retrieve_goods(self):
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"""是否可以取货"""
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return (not self.is_disabled and
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not self.is_empty())
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def get_occupied_layers(self):
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"""获取有货物的层列表"""
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return [layer for layer in self.layers if layer.is_occupied]
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def get_empty_layers(self):
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"""获取空层列表"""
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return [layer for layer in self.layers if not layer.is_occupied]
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def has_storage_area(self):
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"""是否属于某个库区"""
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return self.storage_area_id is not None
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def get_storage_area_info(self):
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"""获取库区信息"""
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if self.storage_area_id is None:
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return None
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return self.storage_area
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def is_dense_storage(self):
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"""是否为密集库区类型"""
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return self.storage_area_type == StorageAreaType.DENSE
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def is_general_storage(self):
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"""是否为一般库区类型"""
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return self.storage_area_type == StorageAreaType.GENERAL
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def get_storage_area_display_name(self):
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"""获取库区显示名称"""
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return self.area_name or "未分配库区" |