From fb15d0349642e1827cd901d9445a6632c7269806 Mon Sep 17 00:00:00 2001 From: Pauliina Ilmanen Date: Fri, 3 Nov 2023 12:21:31 +0200 Subject: [PATCH] Add import for specific unit area --- .gitignore | 1 + data/geometry/koirametsa.geojson | 645 ++++++++++++++++++ .../commands/import_irregular_geometry.py | 37 + .../tests/test_import_irregular_geometry.py | 24 + 4 files changed, 707 insertions(+) create mode 100644 data/geometry/koirametsa.geojson create mode 100644 services/management/commands/import_irregular_geometry.py create mode 100644 services/tests/test_import_irregular_geometry.py diff --git a/.gitignore b/.gitignore index 6b921e4e5..1abb140d1 100644 --- a/.gitignore +++ b/.gitignore @@ -4,6 +4,7 @@ __pycache__ local_settings.py data/* !data/accessibility_rules.csv +!data/geometry .idea .coverage venv_smbackend diff --git a/data/geometry/koirametsa.geojson b/data/geometry/koirametsa.geojson new file mode 100644 index 000000000..1f890129d --- /dev/null +++ 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b/services/management/commands/import_irregular_geometry.py new file mode 100644 index 000000000..43a24c696 --- /dev/null +++ b/services/management/commands/import_irregular_geometry.py @@ -0,0 +1,37 @@ +import json +import os + +from django.conf import settings +from django.contrib.gis.gdal import CoordTransform, SpatialReference +from django.contrib.gis.geos import GEOSGeometry, MultiPolygon +from django.core.management import BaseCommand + +from services.models import Unit +from services.models.unit import PROJECTION_SRID + + +def import_area(): + data_path = os.path.join(settings.BASE_DIR, "data") + file = os.path.join(data_path, "geometry/koirametsa.geojson") + with open(file, "r") as geojson_file: + geojson_data = json.load(geojson_file) + + geom_str = json.dumps(geojson_data["features"][0]["geometry"]) + geom = GEOSGeometry(geom_str) + multi_polygon = MultiPolygon([geom]) + + src_srs = SpatialReference(3879) + target_srs = SpatialReference(PROJECTION_SRID) + transform = CoordTransform(src_srs, target_srs) + multi_polygon.transform(transform) + + unit = Unit.objects.get(id=23795) # Östersundomin koirametsä + unit.geometry = multi_polygon + unit.save() + + +class Command(BaseCommand): + help = "Import area data for Östersundomin koirametsä (unit id 23795)." + + def handle(self, *args, **options): + import_area() diff --git a/services/tests/test_import_irregular_geometry.py b/services/tests/test_import_irregular_geometry.py new file mode 100644 index 000000000..8d152e50b --- /dev/null +++ b/services/tests/test_import_irregular_geometry.py @@ -0,0 +1,24 @@ +from datetime import datetime + +import pytest +import pytz +from django.core.management import call_command + +from services.models import Unit + + +@pytest.mark.django_db +def test_import_irregular_geometry(): + unit = Unit.objects.create( + id=23795, + name="Östersundomin koirametsä", + last_modified_time=datetime.now(pytz.utc), + ) + assert unit.geometry is None + + call_command("import_irregular_geometry") + unit.refresh_from_db() + + assert unit.geometry is not None + assert unit.geometry.geom_type == "MultiPolygon" + assert unit.geometry.area > 0