mpeltriaux
49859d17d2
* adds rendering for detail view * adds new includable html snippet for parcel rendering * refactors generic includables in konova/ app into konova/templates/includes/... * fixes bug where parcels have been reused from the database due to wrong model structure * adds get_underlying_parcels() for Geometry model * adds get_underlying_parcels() for GeoReferencedMixin models * fixes bug where missing geometry would lead to an error during geometry conflict check * removes unused wfs attribute from AbstractWFSFetcher * adds/updates translations
80 lines
2.4 KiB
Python
80 lines
2.4 KiB
Python
"""
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Author: Michel Peltriaux
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Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
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Contact: michel.peltriaux@sgdnord.rlp.de
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Created on: 16.12.21
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"""
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from django.db import models
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from konova.models import UuidModel
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class Parcel(UuidModel):
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""" The Parcel model holds administrative data on the covered properties.
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Due to the unique but relevant naming of the administrative data, we have to use these namings as field
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names in german. Any try to translate them to English result in strange or insufficient translations.
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All fields have to be CharFields as well, since there are e.g. Flurstücksnummer holding e.g. '123____' which
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can not be realized using numerical fields.
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To avoid conflicts due to german Umlaute, the field names are shortened and vocals are dropped.
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"""
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geometries = models.ManyToManyField("konova.Geometry", related_name="parcels", blank=True)
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district = models.ForeignKey("konova.District", on_delete=models.SET_NULL, null=True, blank=True, related_name="parcels")
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gmrkng = models.CharField(
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max_length=1000,
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help_text="Gemarkung",
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null=True,
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blank=True,
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)
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flrstck_nnr = models.CharField(
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max_length=1000,
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help_text="Flurstücksnenner",
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null=True,
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blank=True,
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)
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flrstck_zhlr = models.CharField(
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max_length=1000,
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help_text="Flurstückszähler",
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null=True,
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blank=True,
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)
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flr = models.CharField(
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max_length=1000,
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help_text="Flur",
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null=True,
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blank=True,
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)
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updated_on = models.DateTimeField(auto_now_add=True)
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def __str__(self):
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return f"{self.gmrkng} | {self.flr} | {self.flrstck_zhlr} | {self.flrstck_nnr}"
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class District(UuidModel):
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""" The model District holds more coarse information, such as Kreis, Verbandsgemeinde and Gemeinde.
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There might be the case that a geometry lies on a hundred Parcel entries but only on one District entry.
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Therefore a geometry can have a lot of relations to Parcel entries but only a few or only a single one to one
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District.
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"""
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gmnd = models.CharField(
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max_length=1000,
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help_text="Gemeinde",
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null=True,
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blank=True,
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)
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krs = models.CharField(
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max_length=1000,
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help_text="Kreis",
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null=True,
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blank=True,
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)
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def __str__(self):
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return f"{self.gmnd} | {self.krs}"
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