def publish(context, data_dict):
"""
Publishes the resource details as Geoserver layer based on the input details.
If the layer creation is successful then returns "Success" msg, otherwise raises an Exception.
"""
# Gather inputs
resource_id = data_dict.get("resource_id", None)
layer_name = data_dict.get("layer_name", resource_id)
username = context.get("user", None)
package_id = data_dict.get("package_id", None)
lat_field = data_dict.get("col_latitude", None)
lng_field = data_dict.get("col_longitude", None)
geoserver_layer_name = data_dict.get("gs_lyr_name", None)
# Check that you have everything you need
if None in [resource_id, layer_name, username, package_id]:
raise Exception(
toolkit._("Not enough information to publish resource"))
# Publish a layer
def pub():
if geoserver_layer_name is not None:
l = Layer.publish(package_id,
resource_id,
geoserver_layer_name,
username,
lat_field=lat_field,
lng_field=lng_field)
return l
else:
l = Layer.publish(package_id,
resource_id,
layer_name,
username,
lat_field=lat_field,
lng_field=lng_field)
return l
try:
l = pub()
if l is None:
h.flash_error(
_("Failed to generate a geoserver layer. Please contact the site administrator if this problem persists."
))
raise Exception(toolkit._("Layer generation failed"))
else:
# csv content should be spatialized or a shapefile uploaded, Geoserver updated, resources appended.
# l should be a Layer instance. Return whatever you wish to
h.flash_success(
_("This resource has successfully been published as an OGC service."
))
return "Success"
except socket.error:
h.flash_error(
_("Error connecting to geoserver. Please contact the site administrator if this problem persists."
))
def unpublish(context, data_dict):
"""
Un-publishes the geoserver layer based on the resource identifier. Retrieves the geoserver layer name and package
identifier to construct layer and remove it.
"""
resource_id = data_dict.get("resource_id")
layer_name = data_dict.get("layer_name")
layer_name = "NGDS:" + resource_id
username = context.get('user')
geoserver_layer_name = data_dict.get("gs_lyr_name", None)
file_resource = toolkit.get_action("resource_show")(None, {
"id": resource_id
})
if not layer_name:
resource = ckan_model.Resource.get(resource_id)
geoserver = Geoserver.from_ckan_config()
package_id = ckan_model.Resource.get(resource_id).resource_group.package_id
def unpub():
if geoserver_layer_name is not None:
layer = Layer(geoserver=geoserver,
layer_name=geoserver_layer_name,
resource_id=resource_id,
package_id=package_id,
username=username)
return layer
else:
layer = Layer(geoserver=geoserver,
layer_name=layer_name,
resource_id=resource_id,
package_id=package_id,
username=username)
return layer
try:
layer = unpub()
except socket.error:
h.flash_error(
_("Error connecting to geoserver. Please contact the site administrator if this problem persists."
))
return False
layer.remove()
h.flash_success(_("This resource has successfully been unpublished."))
return True
def publish(context, data_dict):
"""
Publishes the resource details as Geoserver layer based on the input details.
If the layer creation is successful then returns "Success" msg, otherwise raises an Exception.
"""
# Gather inputs
resource_id = data_dict.get("resource_id", None)
layer_name = data_dict.get("layer_name", resource_id)
username = context.get("user", None)
package_id = data_dict.get("package_id", None)
lat_field = data_dict.get("col_latitude", None)
lng_field = data_dict.get("col_longitude", None)
geoserver_layer_name = data_dict.get("gs_lyr_name", None)
datastore = data_dict.get("geoserver_datastore", None)
# Check that you have everything you need
if None in [resource_id, layer_name, username, package_id]:
raise Exception(toolkit._("Not enough information to publish resource"))
# Publish a layer
def pub():
if geoserver_layer_name is not None:
l = Layer.publish(package_id, resource_id, geoserver_layer_name, username, datastore, lat_field=lat_field,
lng_field=lng_field)
return l
else:
l = Layer.publish(package_id, resource_id, layer_name, username, datastore, lat_field=lat_field,
lng_field=lng_field)
return l
try:
l = pub()
if l is None:
h.flash_error(
_(
"Failed to generate a geoserver layer. Please contact the site administrator if this problem persists."))
raise Exception(toolkit._("Layer generation failed"))
else:
# csv content should be spatialized or a shapefile uploaded, Geoserver updated, resources appended.
# l should be a Layer instance. Return whatever you wish to
h.flash_success(
_("This resource has successfully been published as an OGC service."))
return "Success"
except socket.error:
h.flash_error(
_("Error connecting to geoserver. Please contact the site administrator if this problem persists."))
def unpublish(context, data_dict):
"""
Un-publishes the geoserver layer based on the resource identifier. Retrieves the geoserver layer name and package
identifier to construct layer and remove it.
"""
resource_id = data_dict.get("resource_id")
layer_name = data_dict.get("layer_name")
layer_name = "NGDS:" + resource_id
username = context.get('user')
geoserver_layer_name = data_dict.get("gs_lyr_name", None)
file_resource = toolkit.get_action("resource_show")(None, {"id": resource_id})
if not layer_name:
resource = ckan_model.Resource.get(resource_id)
geoserver = Geoserver.from_ckan_config()
package_id = ckan_model.Resource.get(resource_id).resource_group.package_id
def unpub():
if geoserver_layer_name is not None:
layer = Layer(geoserver=geoserver, layer_name=geoserver_layer_name, resource_id=resource_id,
package_id=package_id, username=username)
return layer
else:
layer = Layer(geoserver=geoserver, layer_name=layer_name, resource_id=resource_id,
package_id=package_id,
username=username)
return layer
try:
layer = unpub()
except socket.error:
h.flash_error(
_("Error connecting to geoserver. Please contact the site administrator if this problem persists."))
return False
layer.remove()
h.flash_success(
_("This resource has successfully been unpublished."))
return True
