REFACTOR: Moved more functionality into database base type

controllers/database/product.py

@@ -5,6 +5,7 @@ from models.products.product import Product
 class ProductController(DatabaseController):
     FIELDS = ['id', 'name', 'image', 'description', 'cost',
               'sellerID', 'category', 'postedDate', 'quantityAvailable']
+    TYPE = Product
 
     def __init__(self):
         super().__init__()
@@ -20,60 +21,30 @@ class ProductController(DatabaseController):
             product.postedDate,
             product.quantityAvailable
         ]
-
-        self._conn.execute(
-            """
+        query = """
             INSERT INTO Products
             (name, image, description, cost, categoryID,
             sellerID, postedDate, quantityAvailable)
-            VALUES (?, ?, ?, ?, ?, ?, ?, ?)""",
-            params
-        )
-        self._conn.commit()
+            VALUES (?, ?, ?, ?, ?, ?, ?, ?)
+        """
+
+        self.do(query, params)
 
     def read(self, name: str = "") -> list[Product] | None:
         params = [
             "%" + name + "%"
         ]
+        query = "SELECT * FROM Products WHERE name like ?"
 
-        cursor = self._conn.execute(
-            "SELECT * FROM Products WHERE name like ?",
-            params
-        )
-        rows = cursor.fetchmany()
-
-        if rows is None:
-            return None
-
-        products = list()
-
-        # Create an object for each row
-        for product in rows:
-            params = dict(zip(self.FIELDS, product))
-            obj = self.new_instance(Product, params)
-            products.append(obj)
-
-        return products
+        return self.get_many(query, params)
 
     def read_id(self, id: int) -> Product | None:
         params = [
             id
         ]
+        query = "SELECT * FROM Products WHERE 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
+        return self.get_one(query, params)
 
     def read_all(self, category: str = "",
                  search_term: str = "") -> list[Product] | None:
@@ -81,55 +52,25 @@ class ProductController(DatabaseController):
             "%" + category + "%",
             "%" + search_term + "%"
         ]
-
-        cursor = self._conn.execute(
-            """SELECT * FROM Products
+        query = """
+            SELECT * FROM Products
             INNER JOIN Categories ON Products.categoryID = Categories.id
             WHERE Categories.name LIKE ?
             AND Products.name LIKE ?
-            """,
-            params
-        )
-        rows = cursor.fetchall()
+        """
 
-        if len(rows) == 0:
-            return None
-
-        products = list()
-
-        # Create an object for each row
-        for product in rows:
-            params = dict(zip(self.FIELDS, product))
-            obj = self.new_instance(Product, params)
-            products.append(obj)
-
-        return products
+        return self.get_many(query, params)
 
     def read_user(self, user_id: int) -> list[Product] | None:
         params = [
             user_id
         ]
-
-        cursor = self._conn.execute(
-            """SELECT * FROM Products
+        query = """
+            SELECT * FROM Products
             WHERE sellerID = ?
-            """,
-            params
-        )
-        rows = cursor.fetchall()
+        """
 
-        if len(rows) == 0:
-            return None
-
-        products = list()
-
-        # Create an object for each row
-        for product in rows:
-            params = dict(zip(self.FIELDS, product))
-            obj = self.new_instance(Product, params)
-            products.append(obj)
-
-        return products
+        return self.get_many(query, params)
 
     def update(self, product: Product):
         params = [
@@ -141,9 +82,8 @@ class ProductController(DatabaseController):
             product.category,
             product.id
         ]
-
-        cursor = self._conn.execute(
-            """UPDATE Products
+        query = """
+            UPDATE Products
             SET name = ?,
                 description = ?,
                 image = ?,
@@ -151,10 +91,9 @@ class ProductController(DatabaseController):
                 quantityAvailable = ?,
                 categoryID = ?
             WHERE id = ?
-            """,
-            params
-        )
-        self._conn.commit()
+        """
+
+        self.do(query, params)
 
     def delete(self):
         print("Doing work")