def byCollection(req, gmId, dmuId):
gm = get_object_or_404(GeoMap, pk=gmId)
dmu = get_object_or_404(DescriptionOfMapUnits, pk=dmuId)
if dmu.owningmap != gm: return HttpResponseBadRequest("Invalid mapunit resource")
if req.method == "GET":
return HttpGeoJsonResponse(StandardLithology.objects.filter(mapunit=dmu), False)
elif req.method == "POST":
success, response = geoJsonToKwargs(StandardLithology, req.raw_post_data, ["owningmap", "mapunit"])
if not success: return HttpResponseBadRequest(response)
response["owningmap"] = gm
response["mapunit"] = dmu
try:
newSl = StandardLithology(**response)
newSl.save()
return HttpGeoJsonResponse([newSl])
except Exception as ex:
return HttpResponseBadRequest(str(ex))
else:
return HttpResponseNotAllowed(["GET", "POST"])
def byResource(req, gmId, dmuId, lithId):
gm = get_object_or_404(GeoMap, pk=gmId)
dmu = get_object_or_404(DescriptionOfMapUnits, pk=dmuId)
if dmu.owningmap != gm: return HttpResponseBadRequest("Invalid mapunit resource")
if req.method == "GET":
sl = get_object_or_404(StandardLithology, pk=lithId)
if sl.mapunit != dmu: return HttpResponseBadRequest("Invalid lithology resource")
return HttpGeoJsonResponse([sl])
elif req.method == "PUT":
success, response = geoJsonToKwargs(StandardLithology, req.raw_post_data, ["owningmap", "mapunit"])
if not success: return HttpResponseBadRequest(response)
response["owningmap"] = gm
response["mapunit"] = dmu
response["id"] = lithId
try:
newSl = StandardLithology(**response)
newSl.save()
return HttpGeoJsonResponse([newSl])
except Exception as ex:
return HttpResponseBadRequest(str(ex))
elif req.method == "DELETE":
sl = get_object_or_404(StandardLithology, pk=lithId)
if sl.mapunit != dmu: return HttpResponseBadRequest("Invalid lithology resource")
try: sl.delete()
except Exception (ex):
return HttpResponseBadRequest(str(ex))
else:
return HttpResponse(json.dumps({ "success": True }), content_type="application/json")
else:
return HttpResponseNotAllowed(["GET", "PUT", "DELETE"])