38 lines
2.0 KiB
Python
38 lines
2.0 KiB
Python
from django.db import models
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from mainapp.models import (
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Satellite,
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Polarization,
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Modulation,
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Standard,
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get_default_polarization,
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get_default_modulation,
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get_default_standard
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)
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class LyngSat(models.Model):
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id_satellite = models.ForeignKey(Satellite, on_delete=models.PROTECT, related_name="lyngsat", verbose_name="Спутник", null=True)
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polarization = models.ForeignKey(
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Polarization, default=get_default_polarization, on_delete=models.SET_DEFAULT, related_name="lyngsat", null=True, blank=True, verbose_name="Поляризация"
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)
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modulation = models.ForeignKey(
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Modulation, default=get_default_modulation, on_delete=models.SET_DEFAULT, related_name="lyngsat", null=True, blank=True, verbose_name="Модуляция"
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)
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standard = models.ForeignKey(
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Standard, default=get_default_standard, on_delete=models.SET_DEFAULT, related_name="lyngsat", null=True, blank=True, verbose_name="Стандарт"
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)
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frequency = models.FloatField(default=0, null=True, blank=True, verbose_name="Частота, МГц")
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sym_velocity = models.FloatField(default=0, null=True, blank=True, verbose_name="Символьная скорость, БОД")
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last_update = models.DateTimeField(null=True, blank=True, verbose_name="Дата посленего обновления")
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channel_info = models.CharField(max_length=20, blank=True, null=True, verbose_name="Описание источника")
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fec = models.CharField(max_length=30, blank=True, null=True, verbose_name="Коэффициент коррекции ошибок")
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url = models.URLField(max_length = 200, blank=True, null=True, verbose_name="Ссылка на страницу")
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def __str__(self):
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return f"Ист {self.frequency}, {self.polarization}"
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class Meta:
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verbose_name = "Источник LyngSat"
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verbose_name_plural = "Источники LyngSat"
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