def delete_edge() -> dict:
db = neo4j_connect()
edge_id = db.delete_edge(
int(request.form['start']), int(request.form['end']))
db.close()
return _success({'id': edge_id})
def get_node(node_id) -> dict:
db = neo4j_connect()
node = db.get_node(node_id)
db.close()
node_dict = {
'id': node.id,
'name': node.get('message')
}
return _success({'node': node_dict})
def get_nodes() -> dict:
name = request.args.get('name')
db = neo4j_connect()
nodes = db.get_nodes(name)
db.close()
nodes_list = [
{
'id': r[0].id,
'name': r[0].get('message')
} for r in nodes
]
return _success({'nodes': nodes_list})
def shortest_path() -> dict:
db = neo4j_connect()
path = db.shortest_path(
int(request.form['start']), int(request.form['end']))
db.close()
path_list = [
{
'node': {
'id': r[0],
'name': r[1]
},
'total_cost': r[2]
} for r in path
]
return _success({'path': path_list})
def delete_node(node_id: int) -> dict:
db = neo4j_connect()
node_id = db.delete_node(node_id)
db.close()
return _success({'id': node_id})
def create_node() -> dict:
db = neo4j_connect()
node_id = db.create_node(request.form['name'])
db.close()
return _success({'id': node_id})