200 lines
10 KiB
Python
200 lines
10 KiB
Python
from django.db import models
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from decimal import Decimal
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from sitemanagement.constants.image_file_path import register_object_upload_path
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class Multiplexor(models.Model):
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"""Устройство-мультиплексор"""
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name = models.CharField(max_length=50, unique=True)
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ip = models.GenericIPAddressField(null=True, blank=True)
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subnet = models.GenericIPAddressField(null=True, blank=True)
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gateway = models.GenericIPAddressField(null=True, blank=True)
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sd_path = models.CharField(max_length=255, null=True, blank=True)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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verbose_name = "Мультиплексор"
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verbose_name_plural = "Мультиплексоры"
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ordering = ["name"]
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def __str__(self):
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return self.name
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class Channel(models.Model):
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"""Физический канал мультиплексора"""
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multiplexor = models.ForeignKey(Multiplexor, on_delete=models.CASCADE, related_name="channels")
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number = models.PositiveSmallIntegerField() # CH-1 ... CH-14
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# для "полканалов" можно использовать дробное значение (1, 1.5, 2, ...)
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position = models.DecimalField(max_digits=4, decimal_places=1, default=Decimal("1.0"))
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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unique_together = ("multiplexor", "number", "position")
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verbose_name = "Канал"
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verbose_name_plural = "Каналы"
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ordering = ["multiplexor", "number", "position"]
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def __str__(self):
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return f"{self.multiplexor.name} - CH{self.number} ({self.position})"
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class SensorType(models.Model):
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"""Тип датчика: GA, PE, GLE"""
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code = models.CharField(max_length=10, unique=True) # GA, PE, GLE
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name = models.CharField(max_length=100)
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description = models.TextField(blank=True, null=True)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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# пороговые значения для всех сенсоров этого типа
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min_value = models.DecimalField(max_digits=12, decimal_places=4, null=True, blank=True)
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max_value = models.DecimalField(max_digits=12, decimal_places=4, null=True, blank=True)
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class Meta:
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verbose_name = "Тип сенсора"
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verbose_name_plural = "Типы сенсоров"
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ordering = ["name"]
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def __str__(self):
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return self.code
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class SignalFormat(models.Model):
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"""Формат сигнала и правило преобразования"""
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sensor_type = models.ForeignKey(SensorType, on_delete=models.CASCADE, related_name="formats")
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code = models.CharField(max_length=50, verbose_name="Код") # например "4-20мА", "VW f<1600Hz", "NTC R>250Ohm"
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unit = models.CharField(max_length=20, blank=True, null=True, verbose_name="Единица измерения") # °C, мкм/м, мм и т.п.
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conversion_rule = models.CharField(max_length=255, blank=True, null=True, verbose_name="Правило преобразования")
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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unique_together = ("sensor_type", "code")
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verbose_name = "Формат сигнала"
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verbose_name_plural = "Форматы сигналов"
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ordering = ["sensor_type", "code"]
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def __str__(self):
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return f"{self.sensor_type.code} - {self.code}"
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class Sensor(models.Model):
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"""Конкретный датчик, установленный в канале"""
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channel = models.ForeignKey(Channel, on_delete=models.CASCADE, related_name="sensors")
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sensor_type = models.ForeignKey(SensorType, on_delete=models.CASCADE, verbose_name="Тип сенсора")
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signal_format = models.ForeignKey(SignalFormat, on_delete=models.SET_NULL, null=True, blank=True, verbose_name="Формат сигнала")
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serial_number = models.CharField(max_length=50, blank=True, null=True, verbose_name="Серийный номер") # CL 2106009
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name = models.CharField(max_length=50, blank=True, null=True, verbose_name="Название") # GA-1, HLE-1 и т.п.
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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math_formula = models.CharField(null=True, blank=True, max_length=255, verbose_name="Математическая формула")
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class Meta:
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verbose_name = "Датчик"
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verbose_name_plural = "Датчики"
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ordering = ["channel", "sensor_type", "serial_number"]
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def __str__(self):
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return f"{self.name or self.sensor_type.code} ({self.serial_number})"
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class Metric(models.Model):
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"""Значения, которые приходят из CSV"""
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timestamp = models.DateTimeField()
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sensor = models.ForeignKey(Sensor, on_delete=models.CASCADE, related_name="metrics", verbose_name="Датчик")
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raw_value = models.CharField(max_length=50, verbose_name="Исходное значение") # исходное значение из файла (например "11.964 (A)")
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value = models.FloatField(null=True, blank=True, verbose_name="Преобразованное значение") # преобразованное значение
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status = models.CharField(max_length=20, blank=True, null=True, verbose_name="Статус") # No Rx, Error, NotAv и т.д.
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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verbose_name = "Метрика"
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verbose_name_plural = "Метрики"
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ordering = ["timestamp", "sensor"]
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indexes = [
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models.Index(fields=["timestamp"]),
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models.Index(fields=["sensor"]),
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]
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def __str__(self):
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return f"{self.timestamp} {self.sensor} = {self.value} {self.sensor.signal_format.unit if self.sensor.signal_format else ''}"
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class Alert(models.Model):
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"""Тревоги по метрикам"""
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sensor = models.ForeignKey(Sensor, on_delete=models.CASCADE, related_name="alerts", verbose_name="Датчик")
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metric = models.ForeignKey(Metric, on_delete=models.CASCADE, related_name="alerts", verbose_name="Метрика")
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sensor_type = models.ForeignKey(SensorType, on_delete=models.CASCADE, related_name="alerts", verbose_name="Тип сенсора")
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message = models.CharField(max_length=255, verbose_name="Сообщение")
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severity = models.CharField(
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max_length=20,
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choices=[
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("warning", "Warning"),
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("critical", "Critical"),
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],
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default="warning",
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verbose_name="Уровень тревоги"
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)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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resolved = models.BooleanField(default=False, verbose_name="Статус обработки")
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class Meta:
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indexes = [
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models.Index(fields=["created_at"]),
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models.Index(fields=["sensor"]),
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models.Index(fields=["sensor_type"]),
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]
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verbose_name = "Тревога"
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verbose_name_plural = "Тревоги"
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ordering = ["created_at", "sensor"]
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def __str__(self):
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return f"ALERT {self.sensor} @ {self.metric.timestamp}: {self.message}"
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class Object(models.Model):
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"""Объект"""
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title = models.CharField(max_length=255, verbose_name="Название")
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description = models.TextField(blank=True, null=True, verbose_name="Описание")
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image = models.ImageField(upload_to=register_object_upload_path, null=True, blank=True, verbose_name="Изображение")
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address = models.CharField(max_length=255, verbose_name="Адрес")
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floors = models.PositiveSmallIntegerField(verbose_name="Количество этажей")
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area = models.DecimalField(max_digits=10, decimal_places=2, verbose_name="Площадь")
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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verbose_name = "Объект"
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verbose_name_plural = "Объекты"
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ordering = ["title"]
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def __str__(self):
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return self.title
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class Zone(models.Model):
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"""Зона"""
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object = models.ForeignKey(Object, on_delete=models.CASCADE, related_name="zones", verbose_name="Объект")
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name = models.CharField(max_length=255, verbose_name="Название")
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floor = models.PositiveSmallIntegerField(verbose_name="Этаж")
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image_path = models.CharField(max_length=255, verbose_name="Путь к изображению", blank=True, default="test_image.png", help_text="Например 'test_image_2.png'")
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model_path = models.CharField(max_length=255, verbose_name="Путь к 3D модели", blank=True, null=True, help_text="Например '/static-models/AerBIM-Monitor_ASM-HTViewer_Expo2017Astana_20250908_L_+76190.glb'")
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order = models.PositiveSmallIntegerField(default=0, verbose_name="Порядок")
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sensors = models.ManyToManyField(Sensor, related_name="zones", verbose_name="Датчики")
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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verbose_name = "Зона"
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verbose_name_plural = "Зоны"
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ordering = ["object", "floor", "order", "name"] # сортировка по объекту, этажу, порядку, названию
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def clean(self):
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from django.core.exceptions import ValidationError
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# проверяем что номер этажа не превышает количество этажей в здании
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if self.floor > self.object.floors:
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raise ValidationError({
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'floor': f'Номер этажа не может быть больше количества этажей в здании ({self.object.floors})'
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})
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def __str__(self):
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return f"{self.object.title} - Этаж {self.floor} - {self.name}"
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