63 lines
2.8 KiB
Python
63 lines
2.8 KiB
Python
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# endpoints/create_cosponsored_relationship.py
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from flask import Blueprint, jsonify
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import logging
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import csv
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import os
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from neo4j import GraphDatabase
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from app import get_driver, neo4j_logger # Ensure relative imports work
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bp = Blueprint('create_cosponsored_relationship', __name__)
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@bp.route('/create_cosponsored_relationship', methods=['GET'])
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def create_cosponsored_relationship():
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try:
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# Path to the CSV file
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csv_file_path = os.path.join(os.path.dirname(__file__), '..', 'cosponsored_legislation.csv')
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if not os.path.exists(csv_file_path):
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return jsonify({"status": "error", "message": "CSV file not found"}), 404
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driver = get_driver()
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with driver.session() as session:
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# Read the CSV data
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with open(csv_file_path, mode='r', newline='', encoding='utf-8') as csv_file:
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csv_reader = csv.DictReader(csv_file)
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for row in csv_reader:
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cosponsored_by = row.get('cosponsored_by')
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number = row.get('number')
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if cosponsored_by and number:
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person_node = session.run(
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"MATCH (p:Person {bioguideId: $bioguideId}) RETURN p",
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{"bioguideId": cosponsored_by}
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).single()
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legislation_node = session.run(
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"MATCH (l:Legislation {number: $number}) RETURN l",
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{"number": number}
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).single()
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if person_node and legislation_node:
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person = person_node['p']
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legislation = legislation_node['l']
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session.run(
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"MATCH (p:Person), (l:Legislation) "
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"WHERE id(p) = $person_id AND id(l) = $legislation_id "
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"CREATE (p)-[:COSPONSORED]->(l)",
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{"person_id": person.id, "legislation_id": legislation.id}
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)
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neo4j_logger.info(f"Created COSPONSORED relationship from Person {person['name']} to Legislation {legislation['title']}")
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else:
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if not person_node:
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neo4j_logger.warning(f"No Person node found for bioguideId: {cosponsored_by}")
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if not legislation_node:
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neo4j_logger.warning(f"No Legislation node found for number: {number}")
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return jsonify({"status": "success", "message": "COSPONSORED relationships created successfully"}), 201
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except Exception as e:
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neo4j_logger.error(f"Error creating COSPONSORED relationships: {e}")
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return jsonify({"status": "error", "message": str(e)}), 500
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