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konova/codelist/models.py

67 lines
1.7 KiB
Python

from django.db import models
class KonovaCode(models.Model):
"""
Representation of the OSIRIS Codelisten codes.
KonovaCodes will be updated using a command regularly to provide all codes, which are provided by the
Codelisten application itself. To reduce traffic, we store them in our own database.
"""
id = models.IntegerField(
primary_key=True,
help_text="AtomId; Identifies this code uniquely over all NatIT projects"
)
parent = models.ForeignKey(
"KonovaCode",
on_delete=models.CASCADE,
null=True,
blank=True,
)
short_name = models.CharField(
max_length=500,
null=True,
blank=True,
help_text="Short version of long name",
)
long_name = models.CharField(
max_length=1000,
null=True,
blank=True,
help_text="",
)
is_leaf = models.BooleanField(
default=False,
help_text="Whether this code has children or not"
)
is_active = models.BooleanField(
default=False,
help_text="Whether this code is archived or not"
)
def __str__(self):
if self.short_name:
return "{} ({})".format(self.long_name, self.short_name)
else:
return self.long_name
class KonovaCodeList(models.Model):
"""
The codelist itself
"""
id = models.IntegerField(
primary_key=True,
help_text="List identifier",
)
codes = models.ManyToManyField(
KonovaCode,
null=True,
blank=True,
help_text="Codes for this list",
related_name="code_lists"
)
def __str__(self):
return str(self.id)