“Naeel”
daf750e89d
- invoke.go: forward sub-path and query string to function pods - server.js v0.1.2: add _path, _query, _method to event - server.py v0.1.1: add _path, _query, _method to event - upload.go: bump runtime versions (nodejs20:v0.1.2, python3.11:v0.1.1) - examples/notes-python: CRUD notes via sub-path routing - sql-runner: generic SQL executor for DDL jobs - notes: CRUD router (/add, /update, /delete) - notes-list: SELECT all notes - init.tf: create TABLE + INDEX on apply
75 lines
2.6 KiB
Python
75 lines
2.6 KiB
Python
# 2026-03-09
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# handler.py — CRUD роутер для таблицы notes.
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# Роутинг по event._path (sub-path URL):
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# POST /fn/default/notes/add?title=...&body=... → INSERT
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# POST /fn/default/notes/update?id=1&title=... → UPDATE
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# POST /fn/default/notes/delete?id=1 → DELETE
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# _path и _query добавляет runtime из HTTP запроса (server.py).
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import os
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import psycopg2
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import psycopg2.extras
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def handle(event):
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dsn = os.environ['PG_DSN']
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# sub-path без ведущего слэша: "add", "update", "delete"
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action = event.get('_path', '/').strip('/')
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q = event.get('_query', {})
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conn = psycopg2.connect(dsn)
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try:
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cur = conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
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if action == 'add':
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title = q.get('title') or event.get('title', '')
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body = q.get('body') or event.get('body', '')
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if not title:
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return {'error': 'title is required'}
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cur.execute(
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"INSERT INTO notes (title, body) VALUES (%s, %s)"
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" RETURNING id, title, body, created_at::text",
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(title, body)
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)
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row = cur.fetchone()
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conn.commit()
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return dict(row)
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elif action == 'update':
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id_ = q.get('id') or event.get('id')
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if not id_:
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return {'error': 'id is required'}
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title = q.get('title') or event.get('title', '')
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body = q.get('body') or event.get('body', '')
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cur.execute(
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"UPDATE notes SET title=%s, body=%s WHERE id=%s"
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" RETURNING id, title, body, created_at::text",
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(title, body, int(id_))
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)
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row = cur.fetchone()
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conn.commit()
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return dict(row) if row else {'error': 'not found'}
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elif action == 'delete':
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id_ = q.get('id') or event.get('id')
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if not id_:
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return {'error': 'id is required'}
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cur.execute(
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"DELETE FROM notes WHERE id=%s RETURNING id",
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(int(id_),)
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)
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row = cur.fetchone()
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conn.commit()
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return {'deleted': row['id']} if row else {'error': 'not found'}
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else:
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return {
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'error': f'unknown action: /{action}',
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'hint': 'use /add?title=...&body=..., /update?id=X&title=...&body=..., /delete?id=X'
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}
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except Exception as e:
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conn.rollback()
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return {'error': str(e)}
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finally:
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conn.close()
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