#6 Added Database functionality for user to click and load a single item

controllers/database/product.py

@@ -55,6 +55,26 @@ class ProductController(DatabaseController):
 
         return products
 
+    def read_id(self, id: int) -> Product | None:
+        params = [
+            id
+        ]
+
+        cursor = self._conn.execute(
+            "SELECT * FROM Products WHERE id == ?",
+            params
+        )
+        row = cursor.fetchone()
+
+        if row is None:
+            return None
+
+        # Create an object with the row
+        params = dict(zip(self.FIELDS, row))
+        obj = self.new_instance(Product, params)
+
+        return obj
+
     def read_all(self, category: str = "",
                  search_term: str = "") -> list[Product] | None:
         params = [