def new_export(request):
"""
Renders a html with only the form for creating a new export run
* It uses the Django-validation bud adds a custom validation rule:
there has to be at least one scenario selected. Otherwis an error
is added to the error list.
* If the form information is valid, a new export run is created and saved,
Also the needed information for the genereation of the waterdepth map is
saved in a CSV-file.
"""
if not (request.user.is_authenticated()
and request.user.has_perm('exporttool.can_create')):
return HttpResponse(_("No permission to create export"))
if request.method == 'POST':
form = ExportRunForm(request.POST)
# necessary to call 'is_valid()' before adding custom errors
valid = form.is_valid()
scenario_ids = json.loads(request.REQUEST.get('scenarioIds'))
try:
setting_max_scenarios = Setting.objects.get(
key='MAX_SCENARIOS_PER_EXPORT').value
max_scenarios = int(setting_max_scenarios)
except Setting.DoesNotExist:
max_scenarios = DEFAULT_MAX_SCENARIOS_PER_EXPORT
if not scenario_ids:
form._errors['scenarios'] = form.error_class(
[u"U heeft geen scenario's geselecteerd."])
valid = False
elif len(scenario_ids) > max_scenarios:
form._errors['scenarios'] = form.error_class([
u"Er zijn maximaal {} scenario's per export toegestaan.".
format(max_scenarios)
])
valid = False
if valid:
new_export_run = ExportRun(
export_type=ExportRun.EXPORT_TYPE_WATER_DEPTH_MAP,
name=form.cleaned_data['name'],
description=form.cleaned_data['description'],
owner=request.user,
creation_date=datetime.datetime.now(),
gridsize=form.cleaned_data['gridsize'],
export_max_waterdepth=form.
cleaned_data['export_max_waterdepth'],
export_max_flowvelocity=form.
cleaned_data['export_max_flowvelocity'],
export_possibly_flooded=form.
cleaned_data['export_possibly_flooded'],
export_arrival_times=form.cleaned_data['export_arrival_times'],
export_period_of_increasing_waterlevel=form.
cleaned_data['export_period_of_increasing_waterlevel'],
export_inundation_sources=form.
cleaned_data['export_inundation_sources'],
export_scenario_data=form.cleaned_data['export_scenario_data'],
public=form.cleaned_data['public'])
new_export_run.save()
new_export_run.scenarios = Scenario.objects.filter(
pk__in=scenario_ids)
new_export_run.start()
return HttpResponse('redirect_in_js_to_' +
reverse('flooding_tools_export_index'))
else:
form = ExportRunForm()
return render_to_response('export/exports_new.html', {'form': form})
def new_export(request):
"""
Renders a html with only the form for creating a new export run
* It uses the Django-validation bud adds a custom validation rule:
there has to be at least one scenario selected. Otherwis an error
is added to the error list.
* If the form information is valid, a new export run is created and saved,
Also the needed information for the genereation of the waterdepth map is
saved in a CSV-file.
"""
if not (request.user.is_authenticated() and
request.user.has_perm('exporttool.can_create')):
return HttpResponse(_("No permission to create export"))
if request.method == 'POST':
form = ExportRunForm(request.POST)
# necessary to call 'is_valid()' before adding custom errors
valid = form.is_valid()
scenario_ids = json.loads(request.REQUEST.get('scenarioIds'))
try:
setting_max_scenarios = Setting.objects.get(
key='MAX_SCENARIOS_PER_EXPORT').value
max_scenarios = int(setting_max_scenarios)
except Setting.DoesNotExist:
max_scenarios = DEFAULT_MAX_SCENARIOS_PER_EXPORT
if not scenario_ids:
form._errors['scenarios'] = form.error_class(
[u"U heeft geen scenario's geselecteerd."])
valid = False
elif len(scenario_ids) > max_scenarios:
form._errors['scenarios'] = form.error_class(
[u"Er zijn maximaal {} scenario's per export toegestaan."
.format(max_scenarios)])
valid = False
if valid:
new_export_run = ExportRun(
export_type=ExportRun.EXPORT_TYPE_WATER_DEPTH_MAP,
name=form.cleaned_data['name'],
description=form.cleaned_data['description'],
owner=request.user,
creation_date=datetime.datetime.now(),
gridsize=form.cleaned_data['gridsize'],
export_max_waterdepth=form.cleaned_data['export_max_waterdepth'],
export_max_flowvelocity=form.cleaned_data['export_max_flowvelocity'],
export_possibly_flooded=form.cleaned_data['export_possibly_flooded'],
export_arrival_times=form.cleaned_data['export_arrival_times'],
export_period_of_increasing_waterlevel=
form.cleaned_data['export_period_of_increasing_waterlevel'],
export_inundation_sources=form.cleaned_data['export_inundation_sources'],
export_scenario_data=form.cleaned_data['export_scenario_data'],
public=form.cleaned_data['public']
)
new_export_run.save()
new_export_run.scenarios = Scenario.objects.filter(
pk__in=scenario_ids)
new_export_run.start()
return HttpResponse(
'redirect_in_js_to_' + reverse('flooding_tools_export_index'))
else:
form = ExportRunForm()
return render_to_response('export/exports_new.html',
{'form': form})
def new_export(request):
"""
Renders a html with only the form for creating a new export run
* It uses the Django-validation bud adds a custom validation rule:
there has to be at least one scenario selected. Otherwis an error
is added to the error list.
* If the form information is valid, a new export run is created and saved,
Also the needed information for the genereation of the waterdepth map is
saved in a CSV-file.
"""
if not (request.user.is_authenticated() and
request.user.has_perm('exporttool.can_create')):
return HttpResponse(_("No permission to create export"))
if request.method == 'POST':
form = ExportRunForm(request.POST)
# necessary to call 'is_valid()' before adding custom errors
valid = form.is_valid()
scenario_ids = simplejson.loads(request.REQUEST.get('scenarioIds'))
if not scenario_ids:
form._errors['scenarios'] = form.error_class(
[u"U heeft geen scenario's geselecteerd."])
valid = False
if valid:
new_export_run = ExportRun(
export_type=ExportRun.EXPORT_TYPE_WATER_DEPTH_MAP,
name=form.cleaned_data['name'],
description=form.cleaned_data['description'],
owner=request.user,
creation_date=datetime.datetime.now(),
export_max_waterdepth=form.cleaned_data['export_max_waterdepth'],
export_max_flowvelocity=form.cleaned_data['export_max_flowvelocity'],
export_possibly_flooded=form.cleaned_data['export_possibly_flooded']
)
new_export_run.save()
new_export_run.scenarios = Scenario.objects.filter(
pk__in=scenario_ids)
# This part is obsolete, soon to be removed if the task is finished.
if (new_export_run.export_type ==
ExportRun.EXPORT_TYPE_WATER_DEPTH_MAP):
# Choices here are gridmaxwaterdepth and gridmaxflowvelocity
export_result_type = ResultType.objects.get(name='gridmaxwaterdepth').id
#export_result_type = 1 # TODO: get the id from ResultType table.
# Get the EXPORT_FOLDER settings (from the settings of
# the export-tool)
export_folder = Setting.objects.get(key='EXPORT_FOLDER').value
csv_file_location = os.path.join(
export_folder, str(new_export_run.id) + '.csv')
text_file_location = os.path.join(
export_folder, str(new_export_run.id) + '.txt')
new_export_run.create_csv_file_for_gis_operation(
export_result_type, csv_file_location)
new_export_run.create_general_file_for_gis_operation(
text_file_location)
# Make a workflow for the export and run it
workflow_template = WorkflowTemplate.objects.get(code='3')
result = start_workflow(
new_export_run.id,
workflow_template.id, log_level='INFO',
scenario_type='flooding_exportrun')
#print 'ActionWorkflowExportRun: %r' % result
return HttpResponse(
'redirect_in_js_to_' + reverse('flooding_tools_export_index'))
else:
form = ExportRunForm()
return render_to_response('export/exports_new.html',
{'form': form})