118 lines
5.0 KiB
Python
118 lines
5.0 KiB
Python
from django.db import models
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from userapp.models import ParadiseUser
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import uuid
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# Create your models here.
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class DeviceType(models.Model):
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"""设备类型"""
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name = models.CharField('类型名称', max_length=100, unique=True)
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code = models.CharField('类型代码', max_length=10, unique=True)
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description = models.TextField('类型描述', blank=True, null=True)
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created_at = models.DateTimeField('创建时间', auto_now_add=True)
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updated_at = models.DateTimeField('更新时间', auto_now=True)
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class Meta:
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verbose_name = '设备类型'
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verbose_name_plural = '设备类型'
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ordering = ['name']
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def __str__(self):
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return f"{self.name} ({self.code})"
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class DeviceBatch(models.Model):
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"""设备批次"""
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device_type = models.ForeignKey(DeviceType, on_delete=models.CASCADE, verbose_name='设备类型', related_name='batches')
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batch_number = models.CharField('批次号', max_length=20, unique=True)
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production_date = models.DateField('生产日期')
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quantity = models.PositiveIntegerField('数量')
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description = models.TextField('批次描述', blank=True, null=True)
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created_at = models.DateTimeField('创建时间', auto_now_add=True)
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updated_at = models.DateTimeField('更新时间', auto_now=True)
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class Meta:
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verbose_name = '设备批次'
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verbose_name_plural = '设备批次'
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ordering = ['-production_date']
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def __str__(self):
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return f"{self.device_type.name} - {self.batch_number}"
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class Device(models.Model):
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"""设备表"""
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device_type = models.ForeignKey(DeviceType, on_delete=models.CASCADE, verbose_name='设备类型', related_name='devices')
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batch = models.ForeignKey(DeviceBatch, on_delete=models.CASCADE, verbose_name='设备批次', related_name='devices')
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serial_number = models.CharField('序列号', max_length=50)
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device_code = models.CharField('设备码', max_length=100, unique=True)
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mac_address = models.CharField('MAC地址', max_length=17, unique=True)
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is_active = models.BooleanField('是否激活', default=False)
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activated_at = models.DateTimeField('激活时间', null=True, blank=True)
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# 设备状态信息
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STATUS_CHOICES = (
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('connected', '已连接'),
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('disconnected', '未连接'),
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)
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status = models.CharField('设备状态', max_length=20, choices=STATUS_CHOICES, default='disconnected')
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battery_level = models.IntegerField('电量', default=0, help_text='电池电量百分比(0-100)')
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firmware_version = models.CharField('固件版本号', max_length=50, blank=True, null=True)
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# WiFi设置
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wifi_name = models.CharField('WiFi名称', max_length=100, blank=True, null=True)
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wifi_password = models.CharField('WiFi密码', max_length=100, blank=True, null=True)
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# 设备设置
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brightness = models.IntegerField('亮度', default=50, help_text='屏幕亮度(0-100)')
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created_at = models.DateTimeField('创建时间', auto_now_add=True)
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updated_at = models.DateTimeField('更新时间', auto_now=True)
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class Meta:
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verbose_name = '设备'
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verbose_name_plural = '设备'
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ordering = ['-created_at']
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unique_together = ['device_type', 'batch', 'serial_number']
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def __str__(self):
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return self.device_code
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def save(self, *args, **kwargs):
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# 如果没有设备码，自动生成
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if not self.device_code:
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self.device_code = self.generate_device_code()
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super().save(*args, **kwargs)
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def generate_device_code(self):
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"""生成唯一设备码"""
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# 格式: 类型代码-批次号-序列号
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return f"{self.device_type.code}-{self.batch.batch_number}-{self.serial_number}"
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class UserDevice(models.Model):
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"""用户设备关联表"""
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user = models.ForeignKey(ParadiseUser, on_delete=models.CASCADE, verbose_name='用户', related_name='devices')
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device = models.ForeignKey(Device, on_delete=models.CASCADE, verbose_name='设备', related_name='users')
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nickname = models.CharField('设备昵称', max_length=100, blank=True, null=True)
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bound_at = models.DateTimeField('绑定时间', auto_now_add=True)
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is_primary = models.BooleanField('是否主要设备', default=False)
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class Meta:
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verbose_name = '用户设备'
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verbose_name_plural = '用户设备'
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ordering = ['-bound_at']
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unique_together = ['user', 'device']
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def __str__(self):
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return f"{self.user.username} - {self.device.device_code}"
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def save(self, *args, **kwargs):
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# 如果是该用户的第一个设备，设为主要设备
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if not UserDevice.objects.filter(user=self.user).exists():
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self.is_primary = True
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# 如果设置为主要设备，取消其他设备的主要设备标记
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if self.is_primary:
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UserDevice.objects.filter(user=self.user).update(is_primary=False)
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super().save(*args, **kwargs)
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