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117 lines
3.1 KiB
Python
117 lines
3.1 KiB
Python
from django.db import models
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class KonovaCode(models.Model):
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"""
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Representation of the OSIRIS Codelisten codes.
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KonovaCodes will be updated using a command regularly to provide all codes, which are provided by the
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Codelisten application itself. To reduce traffic, we store them in our own database.
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"""
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id = models.IntegerField(
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primary_key=True,
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help_text="Regular Id"
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)
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atom_id = models.IntegerField(
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help_text="AtomId; Identifies this code uniquely over all NatIT projects; Duplicates possible",
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null=True,
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blank=True,
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)
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parent = models.ForeignKey(
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"KonovaCode",
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on_delete=models.CASCADE,
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null=True,
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blank=True,
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)
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short_name = models.CharField(
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max_length=500,
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null=True,
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blank=True,
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help_text="Short version of long name",
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)
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long_name = models.CharField(
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max_length=1000,
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null=True,
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blank=True,
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help_text="",
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)
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is_selectable = models.BooleanField(
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default=False,
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help_text="Whether this code shall be used for any select actions or not"
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)
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is_leaf = models.BooleanField(
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default=False,
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help_text="Whether this code has children or not"
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)
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is_archived = models.BooleanField(
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default=False,
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help_text="Whether this code is archived or not"
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)
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def __str__(self, with_parent: bool = True):
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ret_val = ""
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long_name = self.long_name
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short_name = self.short_name
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both_names_exist = long_name and short_name
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if both_names_exist:
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if with_parent:
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if self.parent and self.parent.long_name:
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ret_val += self.parent.long_name + " > "
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ret_val += long_name
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if short_name and short_name != long_name:
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ret_val += f" ({short_name})"
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else:
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ret_val += str(long_name or short_name)
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return ret_val
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@property
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def str_as_office(self):
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ret_val = self.long_name
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if self.parent:
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ret_val += ", " + self.parent.long_name
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return ret_val
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def add_children(self, order_by: str = "long_name"):
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""" Adds all children (resurcively until leaf) as .children to the KonovaCode
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Returns:
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code (KonovaCode): The manipulated KonovaCode instance
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"""
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if self.is_leaf:
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return self
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children = KonovaCode.objects.filter(
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parent=self,
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is_archived=False,
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).order_by(
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order_by
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)
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self.children = children
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for child in children:
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child.add_children(order_by)
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return self
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class KonovaCodeList(models.Model):
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"""
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The codelist itself
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"""
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id = models.IntegerField(
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primary_key=True,
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help_text="List identifier",
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)
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codes = models.ManyToManyField(
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KonovaCode,
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blank=True,
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help_text="Codes for this list",
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related_name="code_lists"
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)
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def __str__(self):
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return str(self.id)
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