api done

messenger_app/database/queries/user.py

@@ -0,0 +1,56 @@
+from database import postgresql_db_handler
+
+
+def get_user_by_id(user_id):
+    query = """
+    SELECT * FROM users WHERE id = %s;
+    """
+    params = (user_id,)
+    result = postgresql_db_handler.execute_query(query, params, fetchall=True)
+    if result:
+        user_data = result[0]
+        return user_data
+    else:
+        return None
+
+
+def get_user_by_email(email):
+    query = """
+    SELECT * FROM users WHERE email = %s;
+    """
+    params = (email,)
+    result = postgresql_db_handler.execute_query(query, params, fetchall=True)
+    if result:
+        user_data = result[0]
+        return user_data
+    else:
+        return None
+
+
+def create_user_db(username, password, email):
+    query = """
+    INSERT INTO users (username, password, email)
+    VALUES (%s, %s, %s);
+    """
+    params = (username, password, email)
+    postgresql_db_handler.execute_query(query, params)
+
+
+def update_user_db(user_id, new_username, new_password, new_email):
+    query = """
+    UPDATE users
+    SET username = %s, password = %s, email = %s
+    WHERE id = %s;
+    """
+    params = (new_username, new_password, new_email, user_id)
+    postgresql_db_handler.execute_query(query, params)
+    print(f"User with ID {user_id} updated successfully.")
+
+
+def delete_user_db(user_id):
+    query = """
+    DELETE FROM users WHERE id = %s;
+    """
+    params = (user_id,)
+    postgresql_db_handler.execute_query(query, params)
+    print(f"User with ID {user_id} deleted successfully.")