feat: Semaine 8

Semaine_08/livrexpress/data/repositories/customer_repository.py

@@ -0,0 +1,32 @@
+from data.database import get_database_connection
+from data.repositories.protocols.customer_repository_protocol import CustomerRepositoryProtocol
+from domain.entities.customer import Customer
+from domain.services.order_service import OrderService
+
+class CustomerRepository(CustomerRepositoryProtocol):
+    def __init__(self) -> None:
+        self.db = get_database_connection()
+
+    def find_by_id(self, customer_id: int):
+        row = self.db.execute(
+            """
+            SELECT c.id, c.name, c.email, c.address
+            FROM customers c
+            LEFT JOIN orders o
+            ON o.customer_id = c.id
+            WHERE c.id = :id
+            GROUP BY c.id
+            """,
+            {"id": customer_id}
+        ).fetchone()
+
+        if row is None: return None
+
+        return Customer(
+            id= row['id'],
+            name= row['name'],
+            email= row['email'],
+            address= row['address'],
+            order_count= row['order_count'],
+            is_premium= row['order_count'] >= OrderService.PREMIUM_THRESHOLD,
+        )