165 lines
No EOL
4.4 KiB
Python
165 lines
No EOL
4.4 KiB
Python
from django.db import models
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from common.models import SluggedModel, BaseModel
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from django.contrib.auth import get_user_model
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from simple_history.models import HistoricalRecords
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from locations.models import Affairs, Broker, County
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import utm
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from uuid import uuid4
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import os
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class WaterMeterManufacturer(BaseModel):
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name = models.CharField(
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max_length=20,
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verbose_name="نام شرکت سازنده کنتور آب",
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null=True,
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blank=True)
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def __str__(self):
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return self.name
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class Meta:
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verbose_name = "شرکت سازنده کنتور آب"
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verbose_name_plural = "شرکت‌های سازنده کنتور آب"
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class Well(SluggedModel):
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def path_and_rename(self, filename):
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upload_to = "representative_letters"
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ext = filename.split(".")[-1]
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# create unique filename
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filename = f"{uuid4().hex}.{ext}"
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# return the whole path to the file
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return os.path.join(upload_to, filename)
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Hemisphere_Choices = [
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('N', 'شمال'),
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('S', 'جنوب'),
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]
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representative = models.ForeignKey(
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get_user_model(),
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on_delete=models.SET_NULL,
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verbose_name="نماینده",
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related_name="wells",
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null=True,
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)
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water_subscription_number = models.CharField(
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max_length=20,
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verbose_name="شماره اشتراک آب",
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unique=True
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)
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electricity_subscription_number = models.CharField(
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max_length=20,
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verbose_name="شماره اشتراک برق",
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null=True,
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unique=True
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)
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water_meter_serial_number = models.CharField(
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max_length=20,
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verbose_name="سریال کنتور آب",
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null=True,
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blank=True
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)
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water_meter_old_serial_number = models.CharField(
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max_length=20,
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verbose_name="سریال کنتور قدیمی آب",
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null=True,
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blank=True
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)
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water_meter_manufacturer = models.ForeignKey(
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WaterMeterManufacturer,
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on_delete=models.SET_NULL,
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verbose_name="شرکت سازنده کنتور آب",
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null=True,
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blank=True
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)
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utm_x = models.DecimalField(
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max_digits=10,
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decimal_places=0,
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verbose_name="X UTM",
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)
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utm_y = models.DecimalField(
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max_digits=10,
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decimal_places=0,
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verbose_name="Y UTM",
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)
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utm_zone = models.PositiveIntegerField(
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verbose_name="زون UTM",
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null=True,
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blank=True,
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default=40
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)
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utm_hemisphere = models.CharField(
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max_length=1,
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verbose_name="نیمکره UTM",
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null=True,
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blank=True,
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choices=Hemisphere_Choices,
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default='N'
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)
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well_power = models.PositiveIntegerField(
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verbose_name="قدرت چاه",
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null=True,
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blank=True
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)
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reference_letter_number = models.CharField(
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max_length=20,
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verbose_name="شماره معرفی نامه",
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null=True,
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blank=True
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)
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reference_letter_date = models.DateField(
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verbose_name="تاریخ معرفی نامه",
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null=True,
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blank=True
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)
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representative_letter_file = models.FileField(
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upload_to=path_and_rename,
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verbose_name="نامه نمایندگی",
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null=True,
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blank=True
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)
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affairs = models.ForeignKey(
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Affairs,
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on_delete=models.SET_NULL,
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verbose_name="امور",
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null=True,
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blank=True
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)
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county = models.ForeignKey(
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County,
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on_delete=models.SET_NULL,
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verbose_name="شهرستان",
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null=True,
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blank=True
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)
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broker = models.ForeignKey(
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Broker,
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on_delete=models.SET_NULL,
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verbose_name="کارگزار",
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null=True,
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blank=True
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)
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history = HistoricalRecords()
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class Meta:
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verbose_name = "چاه"
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verbose_name_plural = "چاه‌ها"
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def __str__(self):
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return self.water_subscription_number
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def lat_long(self):
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if self.utm_x and self.utm_y and self.utm_zone and self.utm_hemisphere:
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northern = False if self.utm_hemisphere == 'S' else True
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return utm.to_latlon(self.utm_x, self.utm_y, self.utm_zone, northern=northern)
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return None |