feat: carwash模拟数据
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# Generated by Django 3.2.12 on 2024-02-20 05:14
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from django.db import migrations, models
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class Migration(migrations.Migration):
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dependencies = [
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('enp', '0005_carwash'),
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]
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operations = [
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migrations.AddField(
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model_name='carwash',
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name='duration',
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field=models.PositiveIntegerField(blank=True, null=True, verbose_name='洗车时长(s)'),
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),
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]
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import random
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from django.utils import timezone
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from .models import CarWash
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from apps.em.models import Equipment
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from apps.utils.snowflake import idWorker
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def generate_carwash_data(num_objects):
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station = Equipment.objects.get(id='3519522742859161600')
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vehicle_numbers = ['ABC123', 'DEF456', 'GHI789', 'JKL012', 'MNO345']
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start_times = [timezone.now() - timezone.timedelta(seconds=n)
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for n in range(10, 61, 10)]
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end_times = [start_time + timezone.timedelta(
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seconds=random.randint(15, 45)) for start_time in start_times]
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pressures = [round(random.uniform(3.0, 5.0), 2)
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for _ in range(num_objects)]
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fluxes = [round(random.uniform(10.0, 15.0), 2) for _ in range(num_objects)]
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for i in range(num_objects):
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start_time = start_times[i % len(start_times)]
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end_time = end_times[i % len(end_times)]
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CarWash.objects.create(
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id=idWorker.get_id(),
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station=station,
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vehicle_number=vehicle_numbers[i % len(vehicle_numbers)],
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start_time=start_time,
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end_time=end_time,
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duration=(end_time-start_time).total_seconds(),
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pressure=pressures[i],
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flux=fluxes[i]
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)
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@ -133,6 +133,7 @@ class CarWash(BaseModel):
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vehicle_number = models.CharField('车牌号', max_length=10, default='')
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vehicle_number = models.CharField('车牌号', max_length=10, default='')
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start_time = models.DateTimeField('洗车时间', null=True, blank=True)
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start_time = models.DateTimeField('洗车时间', null=True, blank=True)
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end_time = models.DateTimeField('洗车完成时间', null=True, blank=True)
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end_time = models.DateTimeField('洗车完成时间', null=True, blank=True)
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duration = models.PositiveIntegerField('洗车时长(s)', null=True, blank=True)
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pressure = models.DecimalField(
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pressure = models.DecimalField(
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'洗车压力(Mpa)', max_digits=10, decimal_places=4, null=True, blank=True)
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'洗车压力(Mpa)', max_digits=10, decimal_places=4, null=True, blank=True)
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flux = models.DecimalField(
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flux = models.DecimalField(
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