Movie watchlist database.py diff between SQLite and PostgreSQL

Created Diff never expires
30 removals
81 lines
45 additions
91 lines
import os
import datetime
import datetime
import sqlite3
import psycopg2

from dotenv import load_dotenv

load_dotenv()


CREATE_MOVIES_TABLE = """CREATE TABLE IF NOT EXISTS movies (
CREATE_MOVIES_TABLE = """CREATE TABLE IF NOT EXISTS movies (
id INTEGER PRIMARY KEY,
id SERIAL PRIMARY KEY,
name TEXT,
name TEXT,
release_timestamp REAL
release_timestamp REAL
);"""
);"""


CREATE_USERS_TABLE = """CREATE TABLE IF NOT EXISTS users (
CREATE_USERS_TABLE = """CREATE TABLE IF NOT EXISTS users (
username TEXT PRIMARY KEY
username TEXT PRIMARY KEY
);"""
);"""


CREATE_WATCHED_TABLE = """CREATE TABLE IF NOT EXISTS watched (
CREATE_WATCHED_TABLE = """CREATE TABLE IF NOT EXISTS watched (
user_username TEXT,
user_username TEXT,
movie_id INTEGER,
movie_id INTEGER,
FOREIGN KEY(user_username) REFERENCES users(username),
FOREIGN KEY(user_username) REFERENCES users(username),
FOREIGN KEY(movie_id) REFERENCES movies(id)
FOREIGN KEY(movie_id) REFERENCES movies(id)
);"""
);"""


INSERT_MOVIE = "INSERT INTO movies (name, release_timestamp) VALUES (?, ?)"
INSERT_MOVIE = "INSERT INTO movies (name, release_timestamp) VALUES (%s, %s)"
SELECT_ALL_MOVIES = "SELECT * FROM movies;"
SELECT_ALL_MOVIES = "SELECT * FROM movies;"
SELECT_UPCOMING_MOVIES = "SELECT * FROM movies WHERE release_timestamp > ?;"
SELECT_UPCOMING_MOVIES = "SELECT * FROM movies WHERE release_timestamp > %s;"
INSERT_USER = "INSERT INTO users (username) VALUES (?)"
INSERT_USER = "INSERT INTO users (username) VALUES (%s)"
INSERT_WATCHED_MOVIE = "INSERT INTO watched (user_username, movie_id) VALUES (?, ?)"
INSERT_WATCHED_MOVIE = "INSERT INTO watched (user_username, movie_id) VALUES (%s, %s)"
SELECT_WATCHED_MOVIES = """SELECT movies.*
SELECT_WATCHED_MOVIES = """SELECT movies.*
FROM users
FROM users
JOIN watched ON users.username = watched.user_username
JOIN watched ON users.username = watched.user_username
JOIN movies ON watched.movie_id = movies.id
JOIN movies ON watched.movie_id = movies.id
WHERE users.username = ?;"""
WHERE users.username = %s;"""
SEARCH_MOVIE = """SELECT * FROM movies WHERE name LIKE ?;"""
SEARCH_MOVIE = """SELECT * FROM movies WHERE name LIKE %s;"""


connection = sqlite3.connect("data.db")
# Remember to not store the database URI in your code!
connection = psycopg2.connect(os.environ.get("DATABASE_URI"))




def create_tables():
def create_tables():
with connection:
with connection:
connection.execute(CREATE_MOVIES_TABLE)
with connection.cursor() as cursor:
connection.execute(CREATE_USERS_TABLE)
cursor.execute(CREATE_MOVIES_TABLE)
connection.execute(CREATE_WATCHED_TABLE)
cursor.execute(CREATE_USERS_TABLE)
cursor.execute(CREATE_WATCHED_TABLE)




def add_movie(name, release_timestamp):
def add_movie(name, release_timestamp):
with connection:
with connection:
connection.execute(INSERT_MOVIE, (name, release_timestamp))
with connection.cursor() as cursor:
cursor.execute(INSERT_MOVIE, (name, release_timestamp))




def get_movies(upcoming=False):
def get_movies(upcoming=False):
with connection:
with connection:
cursor = connection.cursor()
with connection.cursor() as cursor:
if upcoming:
if upcoming:
today_timestamp = datetime.datetime.today().timestamp()
today_timestamp = datetime.datetime.today().timestamp()
cursor.execute(SELECT_UPCOMING_MOVIES, (today_timestamp,))
cursor.execute(SELECT_UPCOMING_MOVIES, (today_timestamp,))
else:
else:
cursor.execute(SELECT_ALL_MOVIES)
cursor.execute(SELECT_ALL_MOVIES)
return cursor.fetchall()
return cursor.fetchall()




def add_user(username):
def add_user(username):
with connection:
with connection:
connection.execute(INSERT_USER, (username,))
with connection.cursor() as cursor:
cursor.execute(INSERT_USER, (username,))




def watch_movie(username, movie_id):
def watch_movie(username, movie_id):
with connection:
with connection:
connection.execute(INSERT_WATCHED_MOVIE, (username, movie_id))
with connection.cursor() as cursor:
cursor.execute(INSERT_WATCHED_MOVIE, (username, movie_id))




def get_watched_movies(username):
def get_watched_movies(username):
with connection:
with connection:
cursor = connection.cursor()
with connection.cursor() as cursor:
cursor.execute(SELECT_WATCHED_MOVIES, (username,))
cursor.execute(SELECT_WATCHED_MOVIES, (username,))
return cursor.fetchall()
return cursor.fetchall()




def search_movies(search_term):
def search_movies(search_term):
with connection:
with connection:
cursor = connection.cursor()
with connection.cursor() as cursor:
cursor.execute(SEARCH_MOVIE, (f"%{search_term}%",))
cursor.execute(SEARCH_MOVIE, (f"%{search_term}%",))
return cursor.fetchall()
return cursor.fetchall()