def gmaps_sites(request):
"""
Return a json object with node dicts.
{
nodes: [
{
name: '',
url: '',
lng: 0.0,
lat: 0.0
},
],
edges: []
}
"""
sites = nc.get_nodes_by_type(nc.graphdb.manager, 'Site')
site_list = []
for site in sites:
try:
site = {
'name': site['name'],
'url': helpers.get_node_url(site['handle_id']),
'lng': float(str(site.get('longitude', 0))),
'lat': float(str(site.get('latitude', 0)))
}
except KeyError:
continue
site_list.append(site)
response = HttpResponse(content_type='application/json')
json.dump({'nodes': site_list, 'edges': []}, response)
return response
def delete_node(request, slug, handle_id):
"""
Removes the node and all its relationships.
"""
redirect_url = '/{}'.format(slug)
nh, node = helpers.get_nh_node(handle_id)
if nh.node_type.get_label() == 'Unit':
part_of = node.get_part_of()
if part_of.get('Part_of'):
redirect_url = helpers.get_node_url(part_of.get('Part_of')[0]['node'].handle_id)
try:
# Redirect to parent if deleted node was a child node
parent = node.get_parent().get('Has', [])
if parent:
redirect_url = helpers.get_node_url(parent[0]['node'].handle_id)
except AttributeError:
pass
helpers.delete_node(request.user, node.handle_id)
return redirect(redirect_url)
def gmaps_optical_nodes(request):
"""
Return a json object with dicts of optical node and cables.
{
nodes: [
{
name: '',
url: '',
lng: 0.0,
lat: 0.0
},
],
edges: [
{
name: '',
url: '',
end_points: [{lng: 0.0, lat: 0.0,},]
}
]
"""
# Cypher query to get all cables with cable type fiber that are connected
# to two optical node.
q = """
MATCH (cable:Cable)
WHERE cable.cable_type = "Dark Fiber"
MATCH (cable)-[Connected_to]->(port)
WITH cable, port
MATCH (port)<-[:Has*0..]-(equipment)
WHERE (equipment:Optical_Node) AND NOT equipment.type =~ "(?i).*tss.*"
WITH cable, port, equipment
MATCH p2=(equipment)-[:Located_in]->()<-[:Has*0..]-(loc)
WHERE (loc:Site)
RETURN cable, equipment, loc
"""
result = nc.query_to_list(nc.graphdb.manager, q)
nodes = {}
edges = {}
for item in result:
node = {
'name': item['equipment']['name'],
'url': helpers.get_node_url(item['equipment']['handle_id']),
'lng': float(str(item['loc'].get('longitude', 0))),
'lat': float(str(item['loc'].get('latitude', 0)))
}
coords = {
'lng': float(str(item['loc'].get('longitude', 0))),
'lat': float(str(item['loc'].get('latitude', 0)))
}
edge = {
'name': item['cable']['name'],
'url': helpers.get_node_url(item['cable']['handle_id']),
'end_points': [coords]
}
nodes[item['equipment']['name']] = node
if item['cable']['name'] in edges:
edges[item['cable']['name']]['end_points'].append(coords)
else:
edges[item['cable']['name']] = edge
response = HttpResponse(content_type='application/json')
json.dump({
'nodes': list(nodes.values()),
'edges': list(edges.values())
}, response)
return response