def functions(request):
"""Get a list of all the functions
Will provide a list of plugin functions and the layers that
the plugins will work with. Takes geoserver urls as a GET
parameter can have a comma separated list
e.g. http://127.0.0.1:8000/riab/api/v1/functions/?geoservers=http:...
assumes version 1.0.0
"""
plugin_list = get_plugins()
if 'geoservers' in request.GET:
# FIXME for the moment assume version 1.0.0
geolist = request.GET['geoservers'].split(',')
geoservers = [{'url': geoserver, 'version': '1.0.0'}
for geoserver in geolist]
else:
geoservers = get_servers(request.user)
layers_metadata = []
# Iterate across all available geoservers and return every layer
# and associated keywords
for geoserver in geoservers:
layers_metadata.extend(
get_layers_metadata(geoserver['url'],
geoserver['version']))
# For each plugin return all layers that meet the requirements
# an empty layer is returned where the plugin cannot run
annotated_plugins = []
for name, f in plugin_list.items():
layers = compatible_layers(f, layers_metadata)
annotated_plugins.append({
'name': name,
'doc': f.__doc__,
'layers': layers,
})
output = {'functions': annotated_plugins}
jsondata = json.dumps(output)
return HttpResponse(jsondata, mimetype='application/json')
def layers(request):
""" Get the list of all layers annotated with metadata
If a parameter called 'category' is passed, it will be
used to filter the list.
"""
geoservers = get_servers(request.user)
if 'category' in request.REQUEST:
requested_category = request.REQUEST['category']
else:
requested_category = None
layers_metadata = []
# Iterate across all available geoservers and return every layer
# and associated keywords
for geoserver in geoservers:
layers = get_layers_metadata(geoserver['url'],
geoserver['version'])
for layer in layers:
out = {'name': layer[0],
'server_url': geoserver['url']}
metadata = layer[1]
name_category = out['name'].split('_')
if 'category' in metadata.keys():
category = metadata['category']
elif len(name_category) > 1:
# FIXME: This is a temporary measure until we get the keywords:
# https://github.com/AIFDR/riab/issues/46
# If there is no metadata then try using format category_name
category = name_category[0]
else:
category = None
if requested_category is not None:
if requested_category == category:
layers_metadata.append(out)
else:
layers_metadata.append(out)
output = {'objects': layers_metadata}
jsondata = json.dumps(output)
return HttpResponse(jsondata, mimetype='application/json')
