Class based views
* refactors method based views for parcel fetching, home and logout to class based
This commit is contained in:
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60b6968436
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4
.gitignore
vendored
4
.gitignore
vendored
@ -1,3 +1,5 @@
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# Project exclude paths
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/venv/
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/.idea/
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/.idea/
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/.coverage
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/htmlcov/
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@ -19,17 +19,17 @@ from django.urls import path, include
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from konova.settings import SSO_SERVER, SSO_PUBLIC_KEY, SSO_PRIVATE_KEY, DEBUG
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from konova.sso.sso import KonovaSSOClient
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from konova.views.logout import logout_view
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from konova.views.geometry import get_geom_parcels, get_geom_parcels_content
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from konova.views.home import home_view
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from konova.views.logout import LogoutView
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from konova.views.geometry import GeomParcelsView, GeomParcelsContentView
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from konova.views.home import HomeView
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from konova.views.map_proxy import ClientProxyParcelSearch, ClientProxyParcelWFS
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sso_client = KonovaSSOClient(SSO_SERVER, SSO_PUBLIC_KEY, SSO_PRIVATE_KEY)
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urlpatterns = [
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path('admin/', admin.site.urls),
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path('login/', include(sso_client.get_urls())),
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path('logout/', logout_view, name="logout"),
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path('', home_view, name="home"),
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path('logout/', LogoutView.as_view(), name="logout"),
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path('', HomeView.as_view(), name="home"),
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path('intervention/', include("intervention.urls")),
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path('compensation/', include("compensation.urls")),
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path('ema/', include("ema.urls")),
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@ -38,8 +38,8 @@ urlpatterns = [
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path('cl/', include("codelist.urls")),
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path('analysis/', include("analysis.urls")),
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path('api/', include("api.urls")),
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path('geom/<id>/parcels/', get_geom_parcels, name="geometry-parcels"),
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path('geom/<id>/parcels/<int:page>', get_geom_parcels_content, name="geometry-parcels-content"),
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path('geom/<id>/parcels/', GeomParcelsView.as_view(), name="geometry-parcels"),
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path('geom/<id>/parcels/<int:page>', GeomParcelsContentView.as_view(), name="geometry-parcels-content"),
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path('client/proxy', ClientProxyParcelSearch.as_view(), name="client-proxy-search"),
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path('client/proxy/wfs', ClientProxyParcelWFS.as_view(), name="client-proxy-wfs"),
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]
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@ -50,4 +50,4 @@ if DEBUG:
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]
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handler404 = "konova.views.error.get_404_view"
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handler500 = "konova.views.error.get_500_view"
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handler500 = "konova.views.error.get_500_view"
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@ -5,104 +5,110 @@ Contact: ksp-servicestelle@sgdnord.rlp.de
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Created on: 19.08.22
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"""
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.contrib.gis.geos import MultiPolygon
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from django.http import HttpResponse, HttpRequest
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from django.shortcuts import get_object_or_404
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from django.template.loader import render_to_string
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from django.views import View
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from konova.models import Geometry, Municipal
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from konova.models import Geometry
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from konova.sub_settings.lanis_settings import DEFAULT_SRID_RLP
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def get_geom_parcels(request: HttpRequest, id: str):
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""" Getter for HTMX
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class GeomParcelsView(LoginRequiredMixin, View):
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Returns all parcels of the requested geometry rendered into a simple HTML table
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def get(self, request: HttpRequest, id: str):
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""" Getter for HTMX
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Args:
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request (HttpRequest): The incoming request
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id (str): The geometry's id
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Returns all parcels of the requested geometry rendered into a simple HTML table
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Returns:
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A rendered piece of HTML
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"""
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# HTTP code 286 states that the HTMX should stop polling for updates
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# https://htmx.org/docs/#polling
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status_code = 286
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template = "konova/includes/parcels/parcel_table_frame.html"
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geom = get_object_or_404(Geometry, id=id)
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parcels = geom.get_underlying_parcels()
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geos_geom = geom.geom or MultiPolygon(srid=DEFAULT_SRID_RLP)
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Args:
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request (HttpRequest): The incoming request
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id (str): The geometry's id
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geometry_exists = not geos_geom.empty
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parcels_are_currently_calculated = geometry_exists and geos_geom.area > 0 and len(parcels) == 0
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parcels_available = len(parcels) > 0
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Returns:
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A rendered piece of HTML
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"""
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# HTTP code 286 states that the HTMX should stop polling for updates
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# https://htmx.org/docs/#polling
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status_code = 286
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template = "konova/includes/parcels/parcel_table_frame.html"
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geom = get_object_or_404(Geometry, id=id)
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parcels = geom.get_underlying_parcels()
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geos_geom = geom.geom or MultiPolygon(srid=DEFAULT_SRID_RLP)
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if parcels_are_currently_calculated:
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# Parcels are being calculated right now. Change the status code, so polling stays active for fetching
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# resutls after the calculation
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status_code = 200
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geometry_exists = not geos_geom.empty
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parcels_are_currently_calculated = geometry_exists and geos_geom.area > 0 and len(parcels) == 0
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parcels_available = len(parcels) > 0
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if parcels_available or not geometry_exists:
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municipals = geom.get_underlying_municipals(parcels)
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if parcels_are_currently_calculated:
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# Parcels are being calculated right now. Change the status code, so polling stays active for fetching
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# resutls after the calculation
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status_code = 200
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if parcels_available or not geometry_exists:
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municipals = geom.get_underlying_municipals(parcels)
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rpp = 100
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num_all_parcels = parcels.count()
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parcels = parcels[:rpp]
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next_page = 1
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if len(parcels) < rpp:
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next_page = None
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context = {
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"num_parcels": num_all_parcels,
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"parcels": parcels,
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"municipals": municipals,
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"geom_id": str(id),
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"next_page": next_page,
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}
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html = render_to_string(template, context, request)
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return HttpResponse(html, status=status_code)
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else:
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return HttpResponse(None, status=404)
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class GeomParcelsContentView(LoginRequiredMixin, View):
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def get(self, request: HttpRequest, id: str, page: int):
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""" Getter for infinite scroll of HTMX
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Returns parcels of a specific page/slice of the found parcel set.
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Implementation of infinite scroll htmx example: https://htmx.org/examples/infinite-scroll/
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Args:
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request (HttpRequest): The incoming request
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id (str): The geometry's id
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page (int): The requested page number
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Returns:
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A rendered piece of HTML
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"""
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if page < 0:
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raise AssertionError("Parcel page can not be negative")
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# HTTP code 286 states that the HTMX should stop polling for updates
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# https://htmx.org/docs/#polling
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status_code = 286
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template = "konova/includes/parcels/parcel_table_content.html"
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geom = get_object_or_404(Geometry, id=id)
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parcels = geom.get_underlying_parcels()
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parcels = parcels.order_by("-municipal", "flr", "flrstck_zhlr", "flrstck_nnr")
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rpp = 100
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num_all_parcels = parcels.count()
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parcels = parcels[:rpp]
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next_page = 1
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from_p = rpp * (page-1)
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to_p = rpp * (page)
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next_page = page + 1
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parcels = parcels[from_p:to_p]
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if len(parcels) < rpp:
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next_page = None
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context = {
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"num_parcels": num_all_parcels,
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"parcels": parcels,
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"municipals": municipals,
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"geom_id": str(id),
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"next_page": next_page,
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}
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html = render_to_string(template, context, request)
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return HttpResponse(html, status=status_code)
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else:
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return HttpResponse(None, status=404)
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def get_geom_parcels_content(request: HttpRequest, id: str, page: int):
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""" Getter for infinite scroll of HTMX
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Returns parcels of a specific page/slice of the found parcel set.
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Implementation of infinite scroll htmx example: https://htmx.org/examples/infinite-scroll/
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Args:
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request (HttpRequest): The incoming request
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id (str): The geometry's id
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page (int): The requested page number
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Returns:
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A rendered piece of HTML
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"""
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if page < 0:
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raise AssertionError("Parcel page can not be negative")
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# HTTP code 286 states that the HTMX should stop polling for updates
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# https://htmx.org/docs/#polling
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status_code = 286
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template = "konova/includes/parcels/parcel_table_content.html"
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geom = get_object_or_404(Geometry, id=id)
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parcels = geom.get_underlying_parcels()
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parcels = parcels.order_by("-municipal", "flr", "flrstck_zhlr", "flrstck_nnr")
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rpp = 100
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from_p = rpp * (page-1)
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to_p = rpp * (page)
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next_page = page + 1
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parcels = parcels[from_p:to_p]
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if len(parcels) < rpp:
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next_page = None
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context = {
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"parcels": parcels,
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"geom_id": str(id),
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"next_page": next_page,
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}
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html = render_to_string(template, context, request)
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return HttpResponse(html, status=status_code)
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@ -5,12 +5,13 @@ Contact: ksp-servicestelle@sgdnord.rlp.de
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Created on: 19.08.22
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"""
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from django.contrib.auth.decorators import login_required
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.db.models import Q
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from django.http import HttpRequest
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from django.shortcuts import render
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from django.utils import timezone
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from django.utils.decorators import method_decorator
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from django.utils.translation import gettext_lazy as _
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from django.views import View
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from compensation.models import EcoAccount, Compensation
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from intervention.models import Intervention
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@ -20,59 +21,59 @@ from konova.sub_settings.context_settings import TAB_TITLE_IDENTIFIER
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from news.models import ServerMessage
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@login_required
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@any_group_check
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def home_view(request: HttpRequest):
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"""
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Renders the landing page
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class HomeView(LoginRequiredMixin, View):
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Args:
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request (HttpRequest): The used request object
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@method_decorator(any_group_check)
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def get(self, request: HttpRequest):
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"""
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Renders the landing page
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Returns:
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A redirect
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"""
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template = "konova/home.html"
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now = timezone.now()
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user = request.user
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user_teams = user.shared_teams
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Args:
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request (HttpRequest): The used request object
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# Fetch the four newest active and published ServerMessages
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msgs = ServerMessage.get_current_news()[:3]
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Returns:
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A redirect
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"""
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template = "konova/home.html"
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user = request.user
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user_teams = user.shared_teams
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# First fetch all valid objects (undeleted, only newest versions)
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interventions = Intervention.objects.filter(
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deleted=None,
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)
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# Then fetch only user related ones
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user_interventions = interventions.filter(
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Q(users__in=[user]) | Q(teams__in=user_teams)
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).distinct()
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# Fetch the four newest active and published ServerMessages
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msgs = ServerMessage.get_current_news()[:3]
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# Repeat for other objects
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comps = Compensation.objects.filter(
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deleted=None,
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)
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user_comps = comps.filter(
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Q(intervention__users__in=[user]) | Q(intervention__teams__in=user_teams)
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).distinct()
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eco_accs = EcoAccount.objects.filter(
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deleted=None,
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)
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user_ecco_accs = eco_accs.filter(
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Q(users__in=[user]) | Q(teams__in=user_teams)
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).distinct()
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# First fetch all valid objects (undeleted, only newest versions)
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interventions = Intervention.objects.filter(
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deleted=None,
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)
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# Then fetch only user related ones
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user_interventions = interventions.filter(
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Q(users__in=[user]) | Q(teams__in=user_teams)
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).distinct()
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additional_context = {
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"msgs": msgs,
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"total_intervention_count": interventions.count(),
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"user_intervention_count": user_interventions.count(),
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"total_compensation_count": comps.count(),
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"user_compensation_count": user_comps.count(),
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"total_eco_count": eco_accs.count(),
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"user_eco_count": user_ecco_accs.count(),
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TAB_TITLE_IDENTIFIER: _("Home"),
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}
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context = BaseContext(request, additional_context).context
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return render(request, template, context)
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# Repeat for other objects
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comps = Compensation.objects.filter(
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deleted=None,
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)
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user_comps = comps.filter(
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Q(intervention__users__in=[user]) | Q(intervention__teams__in=user_teams)
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).distinct()
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eco_accs = EcoAccount.objects.filter(
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deleted=None,
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)
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user_ecco_accs = eco_accs.filter(
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Q(users__in=[user]) | Q(teams__in=user_teams)
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).distinct()
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additional_context = {
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"msgs": msgs,
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"total_intervention_count": interventions.count(),
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"user_intervention_count": user_interventions.count(),
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"total_compensation_count": comps.count(),
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"user_compensation_count": user_comps.count(),
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"total_eco_count": eco_accs.count(),
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"user_eco_count": user_ecco_accs.count(),
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TAB_TITLE_IDENTIFIER: _("Home"),
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}
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context = BaseContext(request, additional_context).context
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return render(request, template, context)
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@ -8,19 +8,21 @@ Created on: 19.08.22
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from django.contrib.auth import logout
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from django.http import HttpRequest
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from django.shortcuts import redirect
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from django.views import View
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from konova.sub_settings.sso_settings import SSO_SERVER_BASE
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def logout_view(request: HttpRequest):
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"""
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Logout route for ending the session manually.
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class LogoutView(View):
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def get(self, request: HttpRequest):
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"""
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Logout route for ending the session manually.
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Args:
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request (HttpRequest): The used request object
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Args:
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request (HttpRequest): The used request object
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Returns:
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A redirect
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"""
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logout(request)
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return redirect(SSO_SERVER_BASE)
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Returns:
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A redirect
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"""
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logout(request)
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return redirect(SSO_SERVER_BASE)
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