add I to interfaces. some formatting

src/interface_adapters/controllers/product_controller.py

@@ -7,9 +7,9 @@ from fastapi.responses import HTMLResponse
 from pydantic import BaseModel
 
 #dependency imports
-from entities import Product
+from entities.product import Product
 from use_cases.interactors import ViewProduct, ViewAllProducts
-from use_cases.interfaces.ports import ViewProductInputPort, ViewAllProductsInputPort, ViewProductOutputPort, ViewAllProductsOutputPort
+from use_cases.interfaces.ports import IViewProductInputPort, IViewAllProductsInputPort, IViewProductOutputPort, IViewAllProductsOutputPort
 from interface_adapters.dtos import ProductDTO
 from interface_adapters.repositories import SQLProductRepository
 
@@ -21,15 +21,19 @@ class ViewProductResponse(BaseModel):
     status: str
     data: ProductDTO
 
-class ViewProductPresenter(ViewProductOutputPort):
+class ViewProductPresenter(IViewProductOutputPort):
     def present(self, product:Product) -> ViewProductResponse:
         """Format the response data for API."""
-        product_dto=ProductDTO(id=product.id, name=product.name, description=product.description, price=product.price)
+        product_dto = ProductDTO(
+            id = product.id, 
+            name = product.name, 
+            description = product.description, 
+            price = product.price)
         response = ViewProductResponse(status="success",data=product_dto)
         return response
 
 class ViewProductController:
-    def __init__(self, input_port: ViewProductInputPort) -> None:
+    def __init__(self, input_port: IViewProductInputPort) -> None:
         self.input_port = input_port
 
     def handle_request(self, request:ViewProductRequest):
@@ -46,7 +50,7 @@ class ViewAllProductsResponse(BaseModel):
     status: str
     data: List[ProductDTO]
 
-class ViewAllProductsPresenter(ViewAllProductsOutputPort):
+class ViewAllProductsPresenter(IViewAllProductsOutputPort):
     def present(self, products:List[Product]) -> ViewAllProductsResponse:
         """Format the response data for API."""
         products_dto=[ProductDTO(id=product.id, name=product.name, description=product.description, price=product.price) for product in products]
@@ -54,7 +58,7 @@ class ViewAllProductsPresenter(ViewAllProductsOutputPort):
         return response
 
 class ViewAllProductsController:
-    def __init__(self, input_port: ViewAllProductsInputPort) -> None:
+    def __init__(self, input_port: IViewAllProductsInputPort) -> None:
         self.input_port = input_port
 
     def handle_request(self):

src/interface_adapters/repositories/sql_product_repository.py

@@ -12,17 +12,6 @@ class SQLProductRepository(IProductRepository):
         self.conn = sqlite3.connect(db_file)
         self.conn.row_factory = sqlite3.Row
 
-    def add_product(self, product):
-        """Add a new product to the products table."""
-        sql = "INSERT INTO products (name, price, description, quantity) VALUES (?, ?, ?, ?)"
-        try:
-            c = self.conn.cursor()
-            c.execute(sql, product)
-            self.conn.commit()
-            return c.lastrowid
-        except sqlite3.Error as e:
-            print(e)
-
     def get_product_by_id(self, product_id) -> Optional[Product]:
         """Retrieve a product by its ID."""
         sql = "SELECT * FROM products WHERE id = ?"
@@ -35,6 +24,17 @@ class SQLProductRepository(IProductRepository):
             print(e)
             return None
 
+    def add_product(self, product):
+        """Add a new product to the products table."""
+        sql = "INSERT INTO products (name, price, description, quantity) VALUES (?, ?, ?, ?)"
+        try:
+            c = self.conn.cursor()
+            c.execute(sql, product)
+            self.conn.commit()
+            return c.lastrowid
+        except sqlite3.Error as e:
+            print(e)
+
     def get_all_products(self) -> Optional[List[Product]]:
         """Retrieve all products."""
         sql = "SELECT * FROM products"

src/use_cases/interactors/view_all_products.py

@@ -4,10 +4,10 @@ from typing import Optional, List
 #dependency imports
 from entities import Product
 from use_cases.interfaces.repositories import IProductRepository
-from use_cases.interfaces.ports import ViewAllProductsInputPort, ViewAllProductsOutputPort
+from use_cases.interfaces.ports import IViewAllProductsInputPort, IViewAllProductsOutputPort
 
-class ViewAllProducts(ViewAllProductsInputPort):
+class ViewAllProducts(IViewAllProductsInputPort):
-    def __init__(self, product_repository: IProductRepository, output_port: ViewAllProductsOutputPort):
+    def __init__(self, product_repository: IProductRepository, output_port: IViewAllProductsOutputPort):
         self.product_repository = product_repository
         self.output_port = output_port
 

src/use_cases/interactors/view_product.py

@@ -4,10 +4,10 @@ from typing import Optional
 #dependency imports
 from entities import Product
 from use_cases.interfaces.repositories import IProductRepository
-from use_cases.interfaces.ports import ViewProductInputPort, ViewProductOutputPort
+from use_cases.interfaces.ports import IViewProductInputPort, IViewProductOutputPort
 
-class ViewProduct(ViewProductInputPort):
+class ViewProduct(IViewProductInputPort):
-    def __init__(self, product_repository: IProductRepository, output_port: ViewProductOutputPort):
+    def __init__(self, product_repository: IProductRepository, output_port: IViewProductOutputPort):
         self.product_repository = product_repository
         self.output_port = output_port
 

src/use_cases/interfaces/ports/view_all_products_input_port.py

@@ -1,4 +1,4 @@
-class ViewAllProductsInputPort:
+class IViewAllProductsInputPort:
     def execute(self):
         """
         Abstract method to execute use case.

src/use_cases/interfaces/ports/view_all_products_output_port.py

@@ -1,6 +1,6 @@
 from entities import Product
 from typing import List
-class ViewAllProductsOutputPort:
+class IViewAllProductsOutputPort:
     def present(self, product_list:List[Product]):
         """
         Abstract method to execute use case.

src/use_cases/interfaces/ports/view_product_input_port.py

@@ -1,4 +1,4 @@
-class ViewProductInputPort:
+class IViewProductInputPort:
     def execute(self, product_id:int):
         """
         Abstract method to execute use case.

src/use_cases/interfaces/ports/view_product_output_port.py

@@ -1,5 +1,5 @@
 from entities import Product
-class ViewProductOutputPort:
+class IViewProductOutputPort:
     def present(self, product:Product):
         """
         Abstract method to execute use case.