def update_dataverse_with_worldmap_info(self):
"""
Send WorldMap JSON data back to the Dataverse
"""
print('update_dataverse_with_worldmap_info 1')
LOGGER.debug("update_dataverse_with_worldmap_info: %s" % self.worldmap_layerinfo )
if self.worldmap_layerinfo is None:
LOGGER.warn("Attempted to send Worldmap info to Dataverse when 'worldmap_layerinfo_object' was None")
return False
MetadataUpdater.run_update_via_popen(self.worldmap_layerinfo)
#try:
#except:
# LOGGER.warn('Error. Layer created and saved BUT update to dataverse failed')
# return False
return True
def update_dataverse_with_worldmap_info(self):
"""
Send WorldMap JSON data back to the Dataverse
"""
print('update_dataverse_with_worldmap_info 1')
LOGGER.debug("update_dataverse_with_worldmap_info: %s" %
self.worldmap_layerinfo)
if self.worldmap_layerinfo is None:
LOGGER.warn(
"Attempted to send Worldmap info to Dataverse when 'worldmap_layerinfo_object' was None"
)
return False
MetadataUpdater.run_update_via_popen(self.worldmap_layerinfo)
#try:
#except:
# LOGGER.warn('Error. Layer created and saved BUT update to dataverse failed')
# return False
return True
def view_classify_layer_form(request, import_success_md5):
"""
(note: This should be refactored into a class...)
Given a ClassifyLayerForm submission, return a JSON response
:param import_success_md5: str, md5 identifying a WorldMapLayerInfo object
:returns JSON response: JSON generated with the MessageHelperJSON.get_json_msg function
"""
# --------------------------------------------------------------
# Is it a POST?
# --------------------------------------------------------------
if not request.POST:
err_note = 'A POST request must be used to classify the layer.'
div_content = format_major_error_message(err_note,\
import_success_md5=import_success_md5)
json_msg = MessageHelperJSON.get_json_msg(success=False,\
msg=err_note,\
data_dict=dict(div_content=div_content))
# technically a 405 error, but we want the JSON message to appear
return HttpResponse(status=200,\
content=json_msg,\
content_type="application/json")
# --------------------------------------------------------------
# Is the WorldMapLayerInfo object md5 available?
# --------------------------------------------------------------
if not import_success_md5:
err_note = ('Sorry! The layer could not be identified.'
'\n\nThe Styling option is not available.')
json_msg = MessageHelperJSON.get_json_msg(\
success=False,
msg=err_note,
data_dict=dict(div_content=format_major_error_message(err_note)))
# technically a 404 error, but we want the JSON message to appear
return HttpResponse(status=200,
content=json_msg,
content_type="application/json")
# --------------------------------------------------------------
# Does the WorldMapLayerInfo object exist?
# --------------------------------------------------------------
if not 'data_source_type' in request.POST:
err_note = ('Sorry! The layer could not be identified.'
'\n\nThe Styling option is not available. (id:ds2)')
json_msg = MessageHelperJSON.get_json_msg(\
success=False,
msg=err_note,
data_dict=dict(div_content=format_major_error_message(err_note)))
return HttpResponse(status=200,
content=json_msg,
content_type="application/json")
# Retrieve an object containing the WorldMap data
#
worldmap_layerinfo = get_worldmap_info_object(request.POST['data_source_type'],\
import_success_md5)
if worldmap_layerinfo is None:
err_note = ('Sorry! The layer could not be identified.'
'\n\nThe Styling option is not available.'
' (id:ds3) %s' % request.POST['data_source_type'])
json_msg = MessageHelperJSON.get_json_msg(\
success=False,
msg=err_note,
data_dict=dict(div_content=format_major_error_message(err_note)))
# technically a 410 error, but we want the JSON message to appear
return HttpResponse(status=200,
content=json_msg,
content_type="application/json")
d = {'ATTRIBUTE_VALUE_DELIMITER': ATTRIBUTE_VALUE_DELIMITER}
# --------------------------------------------------------------
# Is the form valid?
# --------------------------------------------------------------
# Load up classification form parameters and validate this request
# e.g. Is the classification attribute in the AJAX call actually
# part of this layer? etc.
#
classify_form = ClassifyLayerForm(\
request.POST,
**worldmap_layerinfo.get_dict_for_classify_form())
# --------------------------------------------------------------
# Invalid forms are status=200 so caught by ajax
# --------------------------------------------------------------
if not classify_form.is_valid(): # Oops, not valid (shouldn't happen)
user_message = ('There was an error with the styling form.'
' Please check the errors below.')
additional_info = dict(classify_form=classify_form,
worldmap_layerinfo=worldmap_layerinfo,
error_msg=user_message)
d.update(additional_info)
form_content = render_to_string(\
'classification/view_classify_form.html',
d,
request)
json_msg = MessageHelperJSON.get_json_msg(\
success=False,
msg=user_message,
data_dict={'div_content':form_content})
return HttpResponse(status=200,
content=json_msg,
content_type="application/json")
initial_classify_params = classify_form.get_params_dict_for_classification(
)
if initial_classify_params is None:
LOGGER.error(
'Failed with *valid* form: classify_form.get_params_dict_for_classification()'
)
json_msg = MessageHelperJSON.get_json_msg(success=False,\
msg='The layer styling form contains errors (code: 2)')
return HttpResponse(status=200,
content=json_msg,
content_type="application/json")
#----------------------------------------------------------
# Prepare params for classify request against WorldMap API
#
#----------------------------------------------------------
initial_classify_params.update(\
worldmap_layerinfo.get_params_to_check_for_existing_layer_metadata())
api_form = ClassifyRequestDataForm(initial_classify_params)
if not api_form.is_valid():
err_msg = ('Validation failed with ClassifyRequestDataForm.'
'Errors: %s') % api_form.errors
LOGGER.error(err_msg)
json_msg = MessageHelperJSON.get_json_msg(\
success=False,
msg='The layer styling form contains errors (code: 3)')
return HttpResponse(status=200,
content=json_msg,
content_type="application/json")
classify_params = api_form.cleaned_data
classify_url = classify_form.get_worldmap_classify_api_url()
LOGGER.debug('classify_params', classify_params)
resp = None
try:
resp = requests.post(classify_url,\
data=classify_params,\
auth=settings.WORLDMAP_ACCOUNT_AUTH,\
timeout=settings.WORLDMAP_DEFAULT_TIMEOUT)
except requests.exceptions.ConnectionError as exception_obj:
err_msg = ('<b>Details for administrator:</b>'
'Could not contact the Dataverse server: %s')\
% (classify_url)
log_connect_error_message(err_msg, LOGGER, exception_obj)
json_msg = MessageHelperJSON.get_json_msg(\
success=False,
msg='Sorry! The classification failed.<br /><p>%s</p>' % err_msg)
return HttpResponse(status=200,
content=json_msg,
content_type="application/json")
if not resp.status_code == 200:
try:
json_resp = resp.json()
except ValueError:
error_msg = ('Worldmap classification failed. Status code:'
' %s\nText;%s')\
% (resp.status_code, resp.text.encode('utf-8'))
LOGGER.error(error_msg)
json_msg = MessageHelperJSON.get_json_msg(\
success=False,
msg='Sorry! The classification failed.')
return HttpResponse(status=200,
content=json_msg,
content_type="application/json")
wm_err_msg = json_resp.get('message', None)
if wm_err_msg is None:
wm_err_msg = 'No message given.'
err_msg = 'Sorry! The classification failed.<p>%s</p>' % wm_err_msg
json_msg = MessageHelperJSON.get_json_msg(success=False, msg=err_msg)
return HttpResponse(status=200,
content=json_msg,
content_type="application/json")
# RESPONSE CODE IS 200
# --------------------------------------------------------------
# convert response to JSON
# --------------------------------------------------------------
try:
json_resp = resp.json()
except ValueError:
LOGGER.error('Worldmap response was not valid json: %s',\
resp.text.encode('utf-8'))
json_msg = MessageHelperJSON.get_json_msg(success=False,\
msg='Sorry! The classification failed.')
return HttpResponse(status=200,\
content=json_msg,\
content_type="application/json")
# --------------------------------------------------------------
# Classification Failed
# --------------------------------------------------------------
if not json_resp.get("success") is True:
LOGGER.info('Worldmap response did not have success==true: %s',
resp.text)
user_msg = 'Sorry! The classification failed.<br /><br />%s' %\
json_resp.get('message', 'nada')
json_msg = MessageHelperJSON.get_json_msg(success=False, msg=user_msg)
return HttpResponse(status=200,
content=json_msg,
content_type="application/json")
# --------------------------------------------------------------
# Validate the response
# --------------------------------------------------------------
f_val = WorldMapToGeoconnectMapLayerMetadataValidationForm(
json_resp.get('data', None))
if not f_val.is_valid():
LOGGER.error('Classify return data failed validation: %s',
f_val.errors)
user_msg = 'Sorry! The classification failed.<br /><br />%s' \
% json_resp.get('message', f_val.errors)
json_msg = MessageHelperJSON.get_json_msg(success=False, msg=user_msg)
return HttpResponse(status=200,
content=json_msg,
content_type="application/json")
# --------------------------------------------------------------
# Looks good, update the WorldMapLayerInfo's attribute info
# --------------------------------------------------------------
if hasattr(worldmap_layerinfo, 'add_attribute_info_as_json_string'):
# handle shapefiles
worldmap_layerinfo.add_attribute_info_as_json_string(
f_val.cleaned_data['attribute_info'])
worldmap_layerinfo.save()
elif hasattr(worldmap_layerinfo, 'attribute_data'):
# handle tabular files
worldmap_layerinfo.attribute_info =\
JSONHelper.to_python_or_none(f_val.cleaned_data['attribute_info'])
worldmap_layerinfo.download_links =\
JSONHelper.to_python_or_none(f_val.cleaned_data['download_links'])
worldmap_layerinfo.save()
else:
LOGGER.error(dir(worldmap_layerinfo))
LOGGER.error(type(worldmap_layerinfo))
LOGGER.error('nada?')
# --------------------------------------------------------------
# Refresh the classify form with the latest WorldMap parameter information
# --------------------------------------------------------------
classify_form = ClassifyLayerForm(\
request.POST,
**worldmap_layerinfo.get_dict_for_classify_form())
# --------------------------------------------------------------
# Update the Dataverse metadata -- so that the new icon will be refreshed
# --------------------------------------------------------------
# Is all this needed, or should there be a
# Dataverse API call to only update the image?
MetadataUpdater.run_update_via_popen(worldmap_layerinfo)
msg_params = classify_form.get_params_for_display()
success_msg = render_to_string('classification/classify_success_msg.html',
msg_params)
d.update(
dict(classify_form=classify_form,
success_msg=success_msg,
SELECT_LABEL=SELECT_LABEL))
form_content = render_to_string('classification/view_classify_form.html',
d, request)
json_msg = MessageHelperJSON.get_json_msg(\
success=True,
msg=success_msg, #'Success!'
data_dict={'div_content':form_content})
return HttpResponse(status=200,
content=json_msg,
content_type="application/json")
def view_shapefile(request, shp_md5, **kwargs):
"""
(1) Does a map of this shapefile exist in the db?
(2) Does a map of this shapefile exist in WorldMap?
(3) Show the initial page with "Visualize" button
This is fantastically long and messy -- need to break it up
Retrieve and view a :model:`gis_shapefiles.ShapefileInfo` object
:shp_md5: unique md5 hash for a :model:`gis_shapefiles.ShapefileInfo`
:template:`shapefiles/main_outline_shp.html`
"""
LOGGER.debug('view_shapefile 1')
# -------------------------------------------
# Flags for template - Is this the first time the file is being visualized?
# -------------------------------------------
first_time_notify = kwargs.get('first_time_notify', False)
# Attempt to retrieve the shapefile information
# -------------------------------------------
LOGGER.debug(
'view_shapefile 2 - Attempt to retrieve the shapefile information')
try:
shapefile_info = ShapefileInfo.objects.get(md5=shp_md5)
except ShapefileInfo.DoesNotExist:
raise Http404('Shapefile not found.')
# -------------------------------------------------------------------
# Does a fully checked shapefile exist with a worldmap layer?
# -------------------------------------------------------------------
LOGGER.debug(
'view_shapefile 3 - Does a shapefile exist with a worldmap layer?')
shp_service = SendShapefileService(**dict(shapefile_info=shapefile_info))
if shp_service.flow1_does_map_already_exist():
LOGGER.debug('view_shapefile 3a - Map already exists')
worldmap_layerinfo = shp_service.get_worldmap_layerinfo()
if worldmap_layerinfo is None:
return HttpResponse('<br />'.join(shp_service.err_msgs))
else:
MetadataUpdater.run_update_via_popen(worldmap_layerinfo)
return view_classify_shapefile(request, worldmap_layerinfo,
first_time_notify)
# -------------------------------------------
# Gather common parameters for the template
# -------------------------------------------
d = get_common_lookup(request)
d['gis_data_info'] = shapefile_info
d['shapefile_info'] = shapefile_info
d['page_title'] = PANEL_TITLE_MAP_DATA_FILE
d['WORLDMAP_SERVER_URL'] = settings.WORLDMAP_SERVER_URL
d[GEOCONNECT_STEP_KEY] = STEP1_EXAMINE
if first_time_notify:
d['first_time_notify'] = True
# -------------------------------------------
# Early pass: Validate that this .zip is a shapefile--a single shapefile
# - Should we move this out? Check being done at Dataverse
# - Also, no need to move the file if viz already exists
# -------------------------------------------
LOGGER.debug('view_shapefile 4 - Validate that .zip is a single shapefile')
if not shapefile_info.zipfile_checked:
LOGGER.debug('zipfile_checked NOT checked')
zip_checker = ShapefileZipCheck(shapefile_info.dv_file,
**{'is_django_file_field': True})
#zip_checker = ShapefileZipCheck(shapefile_info.get_dv_file_fullpath())
zip_checker.validate()
# -----------------------------
# Error: No shapefiles found
# Show error message
# -----------------------------
if zip_checker.has_err:
return view_zip_checker_error(request, shapefile_info, zip_checker,
d)
# -----------------------------
# Load the single shapefile
# -----------------------------
shapefile_info.has_shapefile = True
shapefile_info.zipfile_checked = True
shapefile_info.save()
list_of_shapefile_set_names = zip_checker.get_shapefile_setnames()
success = zip_checker.load_shapefile_from_open_zip(
list_of_shapefile_set_names[0], shapefile_info)
if not success:
d['Err_Found'] = True
if zip_checker.err_type == ZIPCHECK_FAILED_TO_PROCCESS_SHAPEFILE:
d['Err_Shapefile_Could_Not_Be_Opened'] = True
d['zip_name_list'] = zip_checker.get_zipfile_names()
else:
d['Err_Msg'] = zip_checker.err_msg
shapefile_info.has_shapefile = False
shapefile_info.save()
LOGGER.error('Shapefile not loaded. (%s)' % shp_md5)
zip_checker.close_zip()
return render(request, 'shapefiles/main_outline_shp.html', d)
# -------------------------------------------
# The examination failed
# No shapefile was found in this .zip
# -------------------------------------------
LOGGER.debug('view_shapefile 5 - No shapefile was found in this .zip')
if not shapefile_info.has_shapefile:
LOGGER.debug('No shapefile found in .zip')
d['Err_Found'] = True
d['Err_No_Shapefiles_Found'] = True
d['WORLDMAP_MANDATORY_IMPORT_EXTENSIONS'] = WORLDMAP_MANDATORY_IMPORT_EXTENSIONS
return render(request, 'shapefiles/main_outline_shp.html', d)
# -------------------------------------------------------------------
# Shapefile fully checked, is there a worldmap layer?
# -------------------------------------------------------------------
LOGGER.debug(
'view_shapefile 6 - Shapefile fully checked, is there a worldmap layer? '
)
shp_service = SendShapefileService(**dict(shapefile_info=shapefile_info))
if shp_service.flow1_does_map_already_exist():
LOGGER.debug('view_shapefile 6a - Worldmap layer exists')
worldmap_layerinfo = shp_service.get_worldmap_layerinfo()
if worldmap_layerinfo is None:
return HttpResponse('<br />'.join(shp_service.err_msgs))
else:
MetadataUpdater.run_update_via_popen(worldmap_layerinfo)
return view_classify_shapefile(request, worldmap_layerinfo,
first_time_notify)
return render(request, 'shapefiles/main_outline_shp.html', d)
def view_shapefile(request, shp_md5, **kwargs):
"""
(1) Does a map of this shapefile exist in the db?
(2) Does a map of this shapefile exist in WorldMap?
(3) Show the initial page with "Visualize" button
This is fantastically long and messy -- need to break it up
Retrieve and view a :model:`gis_shapefiles.ShapefileInfo` object
:shp_md5: unique md5 hash for a :model:`gis_shapefiles.ShapefileInfo`
:template:`shapefiles/main_outline_shp.html`
"""
LOGGER.debug('view_shapefile 1')
# -------------------------------------------
# Flags for template - Is this the first time the file is being visualized?
# -------------------------------------------
first_time_notify = kwargs.get('first_time_notify', False)
# Attempt to retrieve the shapefile information
# -------------------------------------------
LOGGER.debug('view_shapefile 2 - Attempt to retrieve the shapefile information')
try:
shapefile_info = ShapefileInfo.objects.get(md5=shp_md5)
except ShapefileInfo.DoesNotExist:
raise Http404('Shapefile not found.')
# -------------------------------------------------------------------
# Does a fully checked shapefile exist with a worldmap layer?
# -------------------------------------------------------------------
LOGGER.debug('view_shapefile 3 - Does a shapefile exist with a worldmap layer?')
shp_service = SendShapefileService(**dict(shapefile_info=shapefile_info))
if shp_service.flow1_does_map_already_exist():
LOGGER.debug('view_shapefile 3a - Map already exists')
worldmap_layerinfo = shp_service.get_worldmap_layerinfo()
if worldmap_layerinfo is None:
return HttpResponse('<br />'.join(shp_service.err_msgs))
else:
MetadataUpdater.run_update_via_popen(worldmap_layerinfo)
return view_classify_shapefile(request, worldmap_layerinfo, first_time_notify)
# -------------------------------------------
# Gather common parameters for the template
# -------------------------------------------
d = get_common_lookup(request)
d['gis_data_info'] = shapefile_info
d['shapefile_info'] = shapefile_info
d['page_title'] = PANEL_TITLE_MAP_DATA_FILE
d['WORLDMAP_SERVER_URL'] = settings.WORLDMAP_SERVER_URL
d[GEOCONNECT_STEP_KEY] = STEP1_EXAMINE
if first_time_notify:
d['first_time_notify'] = True
# -------------------------------------------
# Early pass: Validate that this .zip is a shapefile--a single shapefile
# - Should we move this out? Check being done at Dataverse
# - Also, no need to move the file if viz already exists
# -------------------------------------------
LOGGER.debug('view_shapefile 4 - Validate that .zip is a single shapefile')
if not shapefile_info.zipfile_checked:
LOGGER.debug('zipfile_checked NOT checked')
zip_checker = ShapefileZipCheck(shapefile_info.dv_file, **{'is_django_file_field': True})
#zip_checker = ShapefileZipCheck(shapefile_info.get_dv_file_fullpath())
zip_checker.validate()
# -----------------------------
# Error: No shapefiles found
# Show error message
# -----------------------------
if zip_checker.has_err:
return view_zip_checker_error(request, shapefile_info, zip_checker, d)
# -----------------------------
# Load the single shapefile
# -----------------------------
shapefile_info.has_shapefile = True
shapefile_info.zipfile_checked = True
shapefile_info.save()
list_of_shapefile_set_names = zip_checker.get_shapefile_setnames()
success = zip_checker.load_shapefile_from_open_zip(list_of_shapefile_set_names[0], shapefile_info)
if not success:
d['Err_Found'] = True
if zip_checker.err_type == ZIPCHECK_FAILED_TO_PROCCESS_SHAPEFILE:
d['Err_Shapefile_Could_Not_Be_Opened'] = True
d['zip_name_list'] = zip_checker.get_zipfile_names()
else:
d['Err_Msg'] = zip_checker.err_msg
shapefile_info.has_shapefile = False
shapefile_info.save()
LOGGER.error('Shapefile not loaded. (%s)' % shp_md5)
zip_checker.close_zip()
return render(request, 'shapefiles/main_outline_shp.html', d)
# -------------------------------------------
# The examination failed
# No shapefile was found in this .zip
# -------------------------------------------
LOGGER.debug('view_shapefile 5 - No shapefile was found in this .zip')
if not shapefile_info.has_shapefile:
LOGGER.debug('No shapefile found in .zip')
d['Err_Found'] = True
d['Err_No_Shapefiles_Found'] = True
d['WORLDMAP_MANDATORY_IMPORT_EXTENSIONS'] = WORLDMAP_MANDATORY_IMPORT_EXTENSIONS
return render(request, 'shapefiles/main_outline_shp.html', d)
# -------------------------------------------------------------------
# Shapefile fully checked, is there a worldmap layer?
# -------------------------------------------------------------------
LOGGER.debug('view_shapefile 6 - Shapefile fully checked, is there a worldmap layer? ')
shp_service = SendShapefileService(**dict(shapefile_info=shapefile_info))
if shp_service.flow1_does_map_already_exist():
LOGGER.debug('view_shapefile 6a - Worldmap layer exists')
worldmap_layerinfo = shp_service.get_worldmap_layerinfo()
if worldmap_layerinfo is None:
return HttpResponse('<br />'.join(shp_service.err_msgs))
else:
MetadataUpdater.run_update_via_popen(worldmap_layerinfo)
return view_classify_shapefile(request, worldmap_layerinfo, first_time_notify)
return render(request, 'shapefiles/main_outline_shp.html', d)
def view_map_tabular_file_form(request):
"""
AJAX call: Join your tabular file to an existing WorldMap layer
using the column selected in this form
"""
#for k, v in request.POST.items():
# print k, v
# -----------------------------------------
# Retrieve the id of the Tabular info object
# -----------------------------------------
tabular_file_info_id = request.POST.get('tabular_file_info_id', -1)
try:
tabular_info = TabularFileInfo.objects.get(pk=tabular_file_info_id)
except TabularFileInfo.DoesNotExist:
err_msg = 'Sorry! The Tabular File was not found. (tabular_file_info_id)'
json_msg = MessageHelperJSON.get_json_fail_msg(err_msg)
return HttpResponse(json_msg,
content_type="application/json",
status=200)
#raise Http404('No TabularFileInfo for id: %s' % tabular_file_info_id)
# -----------------------------------------
# Retrieve available Geocode types and join Layers
# note: geocode_types_from_worldmap not needed here
# -----------------------------------------
(geocode_types_from_worldmap,
available_layers_list) = get_geocode_types_and_join_layers()
# -----------------------------------------
# Create form with initial + POST data
# -----------------------------------------
form_single_column = ChooseSingleColumnForm(tabular_info.id,\
available_layers_list,\
tabular_info.column_names,\
request.POST)
# -----------------------------------------
# Check the form's validity
# -----------------------------------------
if not form_single_column.is_valid():
json_msg = MessageHelperJSON.get_json_fail_msg(\
format_errors_as_text(form_single_column, for_web=True))
return HttpResponse(json_msg,
content_type="application/json",
status=200)
#print 'cleaned_data', form_single_column.cleaned_data
# -----------------------------------------
# Get Dataverse info dict
# -----------------------------------------
dataverse_metadata_dict = get_dataverse_info_dict(tabular_info)
# -----------------------------------------
# Use the WorldMap API and
# try to create a layer
# -----------------------------------------
tj_map_maker = TableJoinMapMaker(
tabular_info,
dataverse_metadata_dict,
form_single_column.cleaned_data.get('chosen_column'),
form_single_column.cleaned_data.get('chosen_layer'),
)
success = tj_map_maker.run_map_create()
msg('success: %s' % success)
if not success:
json_msg = MessageHelperJSON.get_json_fail_msg(\
'Sorry! ' + tj_map_maker.get_error_msg())
msg('error msg: %s' % json_msg)
return HttpResponse(json_msg,
content_type="application/json",
status=200)
# -----------------------------------------
# Succeeded! Create a WorldMapTabularLayerInfo object
# -----------------------------------------
worldmap_tabular_info = WorldMapTabularLayerInfo.build_from_worldmap_json(tabular_info,\
tj_map_maker.get_map_info())
if worldmap_tabular_info is None:
LOGGER.error("Failed to create WorldMapTabularLayerInfo using %s",\
tj_map_maker.get_map_info())
user_msg = 'Sorry! Failed to create map. Please try again. (code: s1)'
json_msg = MessageHelperJSON.get_json_fail_msg(user_msg)
return HttpResponse(json_msg,
content_type="application/json",
status=200)
# -----------------------------------------
# Notify Dataverse of the new map
# -----------------------------------------
MetadataUpdater.run_update_via_popen(worldmap_tabular_info)
# -----------------------------------------
# Build the Map HTML chunk to replace the form
# -----------------------------------------
map_html, user_message_html = build_map_html(request,
worldmap_tabular_info)
if map_html is None: # Failed! Send an error
LOGGER.error("Failed to create map HTML using WorldMapTabularLayerInfo: %s (%d)",\
worldmap_tabular_info, worldmap_tabular_info.id)
user_msg = 'Sorry! Failed to create map. Please try again. (code: s2)'
json_msg = MessageHelperJSON.get_json_fail_msg(user_msg)
return HttpResponse(json_msg,
content_type="application/json",
status=200)
# -----------------------------------------
# Looks good. In the JSON response, send
# back the map HTML
# -----------------------------------------
data_dict = dict(map_html=map_html,
user_message_html=user_message_html,
id_main_panel_title=PANEL_TITLE_STYLE_MAP)
json_msg = MessageHelperJSON.get_json_success_msg("great job",
data_dict=data_dict)
return HttpResponse(json_msg, content_type="application/json", status=200)
def view_process_lat_lng_form(request):
"""
Create a WorldMap layer from your tabular file
using the latitude and longitude columns selected in this form
"""
tabular_file_info_id = request.POST.get('tabular_file_info_id', -1)
try:
tabular_info = TabularFileInfo.objects.get(pk=tabular_file_info_id)
except TabularFileInfo.DoesNotExist:
err_msg = 'Sorry! The Tabular File was not found. (tabular_file_info_id)'
json_msg = MessageHelperJSON.get_json_fail_msg(err_msg)
return HttpResponse(json_msg,
content_type="application/json",
status=200)
#raise Http404('No TabularFileInfo for id: %s' % tabular_file_info_id)
form_lat_lng = LatLngColumnsForm(tabular_info.id,\
tabular_info.column_names,\
request.POST)
if not form_lat_lng.is_valid():
json_msg = MessageHelperJSON.get_json_fail_msg(\
format_errors_as_text(form_lat_lng,\
for_web=True)\
)
#json_msg = MessageHelperJSON.get_json_fail_msg(f.err_msg_for_web)
return HttpResponse(json_msg,
content_type="application/json",
status=200)
(success, worldmap_data_or_err_msg) = create_map_from_datatable_lat_lng(\
tabular_info,\
form_lat_lng.get_latitude_colname(),\
form_lat_lng.get_longitude_colname(),\
)
# -----------------------------------------
# Failed! Send error message
# -----------------------------------------
if not success:
json_msg = MessageHelperJSON.get_json_fail_msg(\
'Sorry! ' + worldmap_data_or_err_msg)
return HttpResponse(json_msg,
content_type="application/json",
status=200)
# -----------------------------------------
# Succeeded! Create a WorldMapTabularLayerInfo object
# -----------------------------------------
user_msg, response_data = worldmap_data_or_err_msg
#json_msg = MessageHelperJSON.get_json_success_msg(user_msg, data_dict=response_data)
#return HttpResponse(json_msg, content_type="application/json", status=200)
worldmap_latlng_info = WorldMapTabularLayerInfo.build_from_worldmap_json(tabular_info,\
response_data)
if worldmap_latlng_info is None:
LOGGER.error("Failed to create WorldMapLatLngInfo using data: %s",\
response_data)
user_msg = 'Sorry! Failed to create map. Please try again. (code: s4)'
json_msg = MessageHelperJSON.get_json_fail_msg(user_msg)
return HttpResponse(json_msg,
content_type="application/json",
status=200)
# -----------------------------------------
# Notify Dataverse of the new map
# -----------------------------------------
MetadataUpdater.run_update_via_popen(worldmap_latlng_info)
# -----------------------------------------
# Possible that this failed?
# Make sure at least 1 row mapped
# -----------------------------------------
# Skip for now! Error in row counts for Lat/Lng!
"""
if worldmap_latlng_info.did_any_rows_map() is False:
# Delete the worldmap_latlng_info object
worldmap_latlng_info.delete()
# Send back a user error message
user_msg = "Sorry! We couldn't map any of those latitude and longitude values."
return HttpResponse(MessageHelperJSON.get_json_fail_msg(user_msg),\
content_type="application/json",\
status=200)
"""
# -----------------------------------------
# Build the Map HTML chunk to replace the form
# -----------------------------------------
map_html, user_message_html = build_map_html(request, worldmap_latlng_info)
if map_html is None: # Failed! Send an error
LOGGER.error("Failed to create map HTML using WorldMapLatLngInfo: %s (%d)",\
worldmap_latlng_info, worldmap_latlng_info.id)
user_msg = 'Sorry! Failed to create map. Please try again. (code: s5)'
json_msg = MessageHelperJSON.get_json_fail_msg(user_msg)
return HttpResponse(json_msg,
content_type="application/json",
status=200)
# -----------------------------------------
# Looks good. In the JSON response, send
# back the map HTML
# -----------------------------------------
data_dict = dict(map_html=map_html,
user_message_html=user_message_html,
id_main_panel_title=PANEL_TITLE_STYLE_MAP)
json_msg = MessageHelperJSON.get_json_success_msg("great job",
data_dict=data_dict)
return HttpResponse(json_msg, content_type="application/json", status=200)
def view_classify_layer_form(request, import_success_md5):
"""
(note: This should be refactored into a class...)
Given a ClassifyLayerForm submission, return a JSON response
:param import_success_md5: str, md5 identifying a WorldMapLayerInfo object
:returns JSON response: JSON generated with the MessageHelperJSON.get_json_msg function
"""
# --------------------------------------------------------------
# Is it a POST?
# --------------------------------------------------------------
if not request.POST:
err_note = 'A POST request must be used to classify the layer.'
div_content = format_major_error_message(err_note,\
import_success_md5=import_success_md5)
json_msg = MessageHelperJSON.get_json_msg(success=False,\
msg=err_note,\
data_dict=dict(div_content=div_content))
# technically a 405 error, but we want the JSON message to appear
return HttpResponse(status=200,\
content=json_msg,\
content_type="application/json")
# --------------------------------------------------------------
# Is the WorldMapLayerInfo object md5 available?
# --------------------------------------------------------------
if not import_success_md5:
err_note = ('Sorry! The layer could not be identified.'
'\n\nThe Styling option is not available.')
json_msg = MessageHelperJSON.get_json_msg(\
success=False,
msg=err_note,
data_dict=dict(div_content=format_major_error_message(err_note)))
# technically a 404 error, but we want the JSON message to appear
return HttpResponse(status=200, content=json_msg, content_type="application/json")
# --------------------------------------------------------------
# Does the WorldMapLayerInfo object exist?
# --------------------------------------------------------------
if not 'data_source_type' in request.POST:
err_note = ('Sorry! The layer could not be identified.'
'\n\nThe Styling option is not available. (id:ds2)')
json_msg = MessageHelperJSON.get_json_msg(\
success=False,
msg=err_note,
data_dict=dict(div_content=format_major_error_message(err_note)))
return HttpResponse(status=200, content=json_msg, content_type="application/json")
# Retrieve an object containing the WorldMap data
#
worldmap_layerinfo = get_worldmap_info_object(request.POST['data_source_type'],\
import_success_md5)
if worldmap_layerinfo is None:
err_note = ('Sorry! The layer could not be identified.'
'\n\nThe Styling option is not available.'
' (id:ds3) %s' % request.POST['data_source_type'])
json_msg = MessageHelperJSON.get_json_msg(\
success=False,
msg=err_note,
data_dict=dict(div_content=format_major_error_message(err_note)))
# technically a 410 error, but we want the JSON message to appear
return HttpResponse(status=200, content=json_msg, content_type="application/json")
d = {'ATTRIBUTE_VALUE_DELIMITER' : ATTRIBUTE_VALUE_DELIMITER}
# --------------------------------------------------------------
# Is the form valid?
# --------------------------------------------------------------
# Load up classification form parameters and validate this request
# e.g. Is the classification attribute in the AJAX call actually
# part of this layer? etc.
#
classify_form = ClassifyLayerForm(\
request.POST,
**worldmap_layerinfo.get_dict_for_classify_form())
# --------------------------------------------------------------
# Invalid forms are status=200 so caught by ajax
# --------------------------------------------------------------
if not classify_form.is_valid(): # Oops, not valid (shouldn't happen)
user_message = ('There was an error with the styling form.'
' Please check the errors below.')
additional_info = dict(classify_form=classify_form,
worldmap_layerinfo=worldmap_layerinfo,
error_msg=user_message)
d.update(additional_info)
form_content = render_to_string(\
'classification/view_classify_form.html',
d,
request)
json_msg = MessageHelperJSON.get_json_msg(\
success=False,
msg=user_message,
data_dict={'div_content':form_content})
return HttpResponse(status=200, content=json_msg, content_type="application/json")
initial_classify_params = classify_form.get_params_dict_for_classification()
if initial_classify_params is None:
LOGGER.error('Failed with *valid* form: classify_form.get_params_dict_for_classification()')
json_msg = MessageHelperJSON.get_json_msg(success=False,\
msg='The layer styling form contains errors (code: 2)')
return HttpResponse(status=200, content=json_msg, content_type="application/json")
#----------------------------------------------------------
# Prepare params for classify request against WorldMap API
#
#----------------------------------------------------------
initial_classify_params.update(\
worldmap_layerinfo.get_params_to_check_for_existing_layer_metadata())
api_form = ClassifyRequestDataForm(initial_classify_params)
if not api_form.is_valid():
err_msg = ('Validation failed with ClassifyRequestDataForm.'
'Errors: %s') % api_form.errors
LOGGER.error(err_msg)
json_msg = MessageHelperJSON.get_json_msg(\
success=False,
msg='The layer styling form contains errors (code: 3)')
return HttpResponse(status=200, content=json_msg, content_type="application/json")
classify_params = api_form.cleaned_data
classify_url = classify_form.get_worldmap_classify_api_url()
LOGGER.debug('classify_params', classify_params)
resp = None
try:
resp = requests.post(classify_url,\
data=classify_params,\
auth=settings.WORLDMAP_ACCOUNT_AUTH,\
timeout=settings.WORLDMAP_DEFAULT_TIMEOUT)
except requests.exceptions.ConnectionError as exception_obj:
err_msg = ('<b>Details for administrator:</b>'
'Could not contact the Dataverse server: %s')\
% (classify_url)
log_connect_error_message(err_msg, LOGGER, exception_obj)
json_msg = MessageHelperJSON.get_json_msg(\
success=False,
msg='Sorry! The classification failed.<br /><p>%s</p>' % err_msg)
return HttpResponse(status=200, content=json_msg, content_type="application/json")
if not resp.status_code == 200:
try:
json_resp = resp.json()
except ValueError:
error_msg = ('Worldmap classification failed. Status code:'
' %s\nText;%s')\
% (resp.status_code, resp.text.encode('utf-8'))
LOGGER.error(error_msg)
json_msg = MessageHelperJSON.get_json_msg(\
success=False,
msg='Sorry! The classification failed.')
return HttpResponse(status=200, content=json_msg, content_type="application/json")
wm_err_msg = json_resp.get('message', None)
if wm_err_msg is None:
wm_err_msg = 'No message given.'
err_msg = 'Sorry! The classification failed.<p>%s</p>' % wm_err_msg
json_msg = MessageHelperJSON.get_json_msg(success=False, msg=err_msg)
return HttpResponse(status=200, content=json_msg, content_type="application/json")
# RESPONSE CODE IS 200
# --------------------------------------------------------------
# convert response to JSON
# --------------------------------------------------------------
try:
json_resp = resp.json()
except ValueError:
LOGGER.error('Worldmap response was not valid json: %s',\
resp.text.encode('utf-8'))
json_msg = MessageHelperJSON.get_json_msg(success=False,\
msg='Sorry! The classification failed.')
return HttpResponse(status=200,\
content=json_msg,\
content_type="application/json")
# --------------------------------------------------------------
# Classification Failed
# --------------------------------------------------------------
if not json_resp.get("success") is True:
LOGGER.info('Worldmap response did not have success==true: %s', resp.text)
user_msg = 'Sorry! The classification failed.<br /><br />%s' %\
json_resp.get('message', 'nada')
json_msg = MessageHelperJSON.get_json_msg(success=False, msg=user_msg)
return HttpResponse(status=200, content=json_msg, content_type="application/json")
# --------------------------------------------------------------
# Validate the response
# --------------------------------------------------------------
f_val = WorldMapToGeoconnectMapLayerMetadataValidationForm(json_resp.get('data', None))
if not f_val.is_valid():
LOGGER.error('Classify return data failed validation: %s', f_val.errors)
user_msg = 'Sorry! The classification failed.<br /><br />%s' \
% json_resp.get('message', f_val.errors)
json_msg = MessageHelperJSON.get_json_msg(success=False, msg=user_msg)
return HttpResponse(status=200, content=json_msg, content_type="application/json")
# --------------------------------------------------------------
# Looks good, update the WorldMapLayerInfo's attribute info
# --------------------------------------------------------------
if hasattr(worldmap_layerinfo, 'add_attribute_info_as_json_string'):
# handle shapefiles
worldmap_layerinfo.add_attribute_info_as_json_string(f_val.cleaned_data['attribute_info'])
worldmap_layerinfo.save()
elif hasattr(worldmap_layerinfo, 'attribute_data'):
# handle tabular files
worldmap_layerinfo.attribute_info =\
JSONHelper.to_python_or_none(f_val.cleaned_data['attribute_info'])
worldmap_layerinfo.download_links =\
JSONHelper.to_python_or_none(f_val.cleaned_data['download_links'])
worldmap_layerinfo.save()
else:
LOGGER.error(dir(worldmap_layerinfo))
LOGGER.error(type(worldmap_layerinfo))
LOGGER.error('nada?')
# --------------------------------------------------------------
# Refresh the classify form with the latest WorldMap parameter information
# --------------------------------------------------------------
classify_form = ClassifyLayerForm(\
request.POST,
**worldmap_layerinfo.get_dict_for_classify_form())
# --------------------------------------------------------------
# Update the Dataverse metadata -- so that the new icon will be refreshed
# --------------------------------------------------------------
# Is all this needed, or should there be a
# Dataverse API call to only update the image?
MetadataUpdater.run_update_via_popen(worldmap_layerinfo)
msg_params = classify_form.get_params_for_display()
success_msg = render_to_string('classification/classify_success_msg.html', msg_params)
d.update(dict(classify_form=classify_form,
success_msg=success_msg,
SELECT_LABEL=SELECT_LABEL))
form_content = render_to_string('classification/view_classify_form.html',
d,
request)
json_msg = MessageHelperJSON.get_json_msg(\
success=True,
msg=success_msg, #'Success!'
data_dict={'div_content':form_content})
return HttpResponse(status=200, content=json_msg, content_type="application/json")