feat(api): select member by id + tests

backend/src/neo_neo_todo/models/member.py

@@ -31,7 +31,26 @@ async def select_member_by_email(db: AsyncConnectionPool, email: str) -> Member
 
             await curr.execute(query, (email,))
 
-            print(query.as_string(conn))
+            member = await curr.fetchone()
+
+            return None if member is None else member
+
+
+async def select_member_by_id(db: AsyncConnectionPool, id: int) -> Member | None:
+    """
+    Find exactly one id match in users list in PostgreSQL database
+    """
+    async with db.connection() as conn:
+        async with conn.cursor(row_factory=class_row(Member)) as curr:
+            query = sql.SQL(
+                """
+                    SELECT id, email, password_hash, created, email_verified
+                        FROM members
+                        WHERE id = (%s);
+                    """
+            )
+
+            await curr.execute(query, (id,))
 
             member = await curr.fetchone()