feat: carwash模拟数据

apps/enp/migrations/0006_carwash_duration.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.12 on 2024-02-20 05:14
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('enp', '0005_carwash'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='carwash',
+            name='duration',
+            field=models.PositiveIntegerField(blank=True, null=True, verbose_name='洗车时长(s)'),
+        ),
+    ]

apps/enp/mock.py

@@ -0,0 +1,30 @@
+import random
+from django.utils import timezone
+from .models import CarWash
+from apps.em.models import Equipment
+from apps.utils.snowflake import idWorker
+
+
+def generate_carwash_data(num_objects):
+    station = Equipment.objects.get(id='3519522742859161600')
+    vehicle_numbers = ['ABC123', 'DEF456', 'GHI789', 'JKL012', 'MNO345']
+    start_times = [timezone.now() - timezone.timedelta(seconds=n)
+                   for n in range(10, 61, 10)]
+    end_times = [start_time + timezone.timedelta(
+        seconds=random.randint(15, 45)) for start_time in start_times]
+    pressures = [round(random.uniform(3.0, 5.0), 2)
+                 for _ in range(num_objects)]
+    fluxes = [round(random.uniform(10.0, 15.0), 2) for _ in range(num_objects)]
+    for i in range(num_objects):
+        start_time = start_times[i % len(start_times)]
+        end_time = end_times[i % len(end_times)]
+        CarWash.objects.create(
+            id=idWorker.get_id(),
+            station=station,
+            vehicle_number=vehicle_numbers[i % len(vehicle_numbers)],
+            start_time=start_time,
+            end_time=end_time,
+            duration=(end_time-start_time).total_seconds(),
+            pressure=pressures[i],
+            flux=fluxes[i]
+        )

apps/enp/models.py

@@ -133,6 +133,7 @@ class CarWash(BaseModel):
     vehicle_number = models.CharField('车牌号', max_length=10, default='')
     start_time = models.DateTimeField('洗车时间', null=True, blank=True)
     end_time = models.DateTimeField('洗车完成时间', null=True, blank=True)
+    duration = models.PositiveIntegerField('洗车时长(s)', null=True, blank=True)
     pressure = models.DecimalField(
         '洗车压力(Mpa)', max_digits=10, decimal_places=4, null=True, blank=True)
     flux = models.DecimalField(