78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
from django.contrib.gis.db import models
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class SoilOrder(models.Model):
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code = models.CharField(unique=True, max_length=1)
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name = models.CharField(unique=True, max_length=50)
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def __str__(self):
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return f"{self.name} ({self.code})"
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class SoilVariant(models.Model):
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name = models.CharField(unique=True, max_length=10)
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def __str__(self):
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return self.name
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class SoilLayer(models.Model):
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nzsc_class = models.CharField(max_length=4)
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nzsc_group = models.CharField(max_length=2)
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nzsc_order = models.ForeignKey(SoilOrder, on_delete=models.CASCADE)
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shape_leng = models.FloatField()
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geom = models.PolygonField(srid=2193)
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def __str__(self):
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return self.nzsc_class
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class EcologicalRegion(models.Model):
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name = models.CharField(unique=True, max_length=50)
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def __str__(self):
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return self.name
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class EcologicalDistrictLayer(models.Model):
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ecological = models.CharField(max_length=5)
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ecologic_1 = models.CharField(max_length=50)
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ecologic_2 = models.ForeignKey(EcologicalRegion, on_delete=models.CASCADE)
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shape_leng = models.FloatField()
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shape_area = models.FloatField()
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geom = models.PolygonField(srid=2193)
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def __str__(self):
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return f"{self.ecologic_1} ({self.ecologic_2})"
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class ToleranceLevel(models.Model):
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level = models.CharField(max_length=1)
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def __str__(self):
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return self.level
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class Plant(models.Model):
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name = models.CharField(unique=True, max_length=50)
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commonname = models.CharField(null=True, blank=True, max_length=200)
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maxheight = models.FloatField()
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spacing = models.FloatField()
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synonym = models.CharField(null=True, blank=True, max_length=200)
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water_tolerance = models.ForeignKey(
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ToleranceLevel, related_name='water_tolerance', on_delete=models.CASCADE)
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drought_tolerance = models.ForeignKey(
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ToleranceLevel, related_name='drought_tolerance', on_delete=models.CASCADE)
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frost_tolerance = models.ForeignKey(
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ToleranceLevel, related_name='frost_tolerance', on_delete=models.CASCADE)
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salinity_tolerance = models.ForeignKey(
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ToleranceLevel, related_name='salinity_tolerance', on_delete=models.CASCADE)
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purpose = models.TextField(null=True, blank=True)
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stage = models.PositiveIntegerField()
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growth_form = models.CharField(null=True, blank=True, max_length=50)
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ecological_regions = models.ManyToManyField(EcologicalRegion)
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soil_order = models.ManyToManyField(SoilOrder)
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soil_variants = models.ManyToManyField(SoilVariant)
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def __str__(self):
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return self.name
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