# endpoints/list_members.py from flask import Blueprint, request, jsonify from neo4j import GraphDatabase from app import get_driver, neo4j_logger bp = Blueprint('list_members', __name__) @bp.route('/list_members', methods=['GET']) def list_members(): member_name = request.form.get('member_name') if not member_name: return jsonify({"error": "No member name provided"}), 400 driver = get_driver() try: with driver.session() as session: result = session.run(""" MATCH (m:Person {name: $memberName})-[*]-(n) RETURN m, n, collect(DISTINCT (m)-[r]->(n)) """, memberName=member_name) data = { "nodes": [], "links": [] } for record in result: node1 = record["m"] nodes = [record["n"]] # Add the first node if {"id": node1.id, "label": node1.labels[0], "name": node1.get("name")} not in data["nodes"]: data["nodes"].append({"id": node1.id, "label": node1.labels[0], "name": node1.get("name")}) # Add other nodes and links for node2 in nodes: if {"id": node2.id, "label": node2.labels[0], "name": node2.get("name")} not in data["nodes"]: data["nodes"].append({"id": node2.id, "label": node2.labels[0], "name": node2.get("name")}) for rel in record[2]: if {"source": rel.start_node.id, "target": rel.end_node.id, "type": rel.type} not in data["links"]: data["links"].append({"source": rel.start_node.id, "target": rel.end_node.id, "type": rel.type}) return jsonify(data) except Exception as e: neo4j_logger.error(f"Error querying Neo4j: {e}") return jsonify({"error": str(e)}), 500 @bp.route('/get_member_names', methods=['GET']) def get_member_names(): driver = get_driver() try: with driver.session() as session: result = session.run("MATCH (p:Person) RETURN p.name AS name") members = [record['name'] for record in result] return jsonify(members) except Exception as e: neo4j_logger.error(f"Error fetching member names: {e}") return jsonify({"error": str(e)}), 500