2025-12-17 00:42:57 +02:00

119 lines
4.6 KiB
Python

import psycopg2
from psycopg2 import pool
from contextlib import contextmanager
from typing import Generator
from app.config import settings
import json
# Connection pool for better performance
connection_pool = pool.SimpleConnectionPool(1, 20, settings.database_url)
@contextmanager
def get_db_connection():
"""Get a database connection from the pool"""
conn = connection_pool.getconn()
try:
yield conn
conn.commit()
except Exception as e:
conn.rollback()
raise e
finally:
connection_pool.putconn(conn)
def init_db():
"""Initialize database tables"""
with get_db_connection() as conn:
cur = conn.cursor()
# Create tables
cur.execute("""
CREATE TABLE IF NOT EXISTS users (
id SERIAL PRIMARY KEY,
email VARCHAR(255) UNIQUE NOT NULL,
hashed_password VARCHAR(255) NOT NULL,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);
""")
cur.execute("""
CREATE TABLE IF NOT EXISTS profiles (
id SERIAL PRIMARY KEY,
user_id INTEGER NOT NULL UNIQUE,
display_name VARCHAR(255) NOT NULL,
age INTEGER NOT NULL,
gender VARCHAR(50) NOT NULL,
location VARCHAR(255) NOT NULL,
bio TEXT,
interests JSONB DEFAULT '[]',
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
);
""")
cur.execute("""
CREATE TABLE IF NOT EXISTS photos (
id SERIAL PRIMARY KEY,
profile_id INTEGER NOT NULL,
file_path VARCHAR(255) NOT NULL,
display_order INTEGER NOT NULL,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (profile_id) REFERENCES profiles(id) ON DELETE CASCADE
);
""")
cur.execute("""
CREATE TABLE IF NOT EXISTS likes (
id SERIAL PRIMARY KEY,
liker_id INTEGER NOT NULL,
liked_id INTEGER NOT NULL,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
UNIQUE(liker_id, liked_id),
FOREIGN KEY (liker_id) REFERENCES users(id) ON DELETE CASCADE,
FOREIGN KEY (liked_id) REFERENCES users(id) ON DELETE CASCADE
);
""")
cur.execute("""
CREATE TABLE IF NOT EXISTS conversations (
id SERIAL PRIMARY KEY,
user_id_1 INTEGER NOT NULL,
user_id_2 INTEGER NOT NULL,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
UNIQUE(user_id_1, user_id_2),
FOREIGN KEY (user_id_1) REFERENCES users(id) ON DELETE CASCADE,
FOREIGN KEY (user_id_2) REFERENCES users(id) ON DELETE CASCADE
);
""")
cur.execute("""
CREATE TABLE IF NOT EXISTS messages (
id SERIAL PRIMARY KEY,
conversation_id INTEGER NOT NULL,
sender_id INTEGER NOT NULL,
content TEXT NOT NULL,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (conversation_id) REFERENCES conversations(id) ON DELETE CASCADE,
FOREIGN KEY (sender_id) REFERENCES users(id) ON DELETE CASCADE
);
""")
# Create indexes for common queries
cur.execute("CREATE INDEX IF NOT EXISTS idx_profiles_user_id ON profiles(user_id);")
cur.execute("CREATE INDEX IF NOT EXISTS idx_photos_profile_id ON photos(profile_id);")
cur.execute("CREATE INDEX IF NOT EXISTS idx_likes_liker_id ON likes(liker_id);")
cur.execute("CREATE INDEX IF NOT EXISTS idx_likes_liked_id ON likes(liked_id);")
cur.execute("CREATE INDEX IF NOT EXISTS idx_conversations_users ON conversations(user_id_1, user_id_2);")
cur.execute("CREATE INDEX IF NOT EXISTS idx_messages_conversation_id ON messages(conversation_id);")
cur.execute("CREATE INDEX IF NOT EXISTS idx_messages_created_at ON messages(created_at);")
conn.commit()
def close_db():
"""Close all database connections"""
if connection_pool:
connection_pool.closeall()