[rewrite] Initial project structure with dashboard frontend and api

backend/app/services/product/product_create_service.py

@@ -0,0 +1,30 @@
+from mysql.connector import Error as mysqlError
+
+from app.messages.api_responses import product_responses as response
+import app.messages.api_errors as errors
+
+from app.db import product_db
+
+from app.models.product_model import Product
+
+
+def create_product(seller_id: str, name: str, price: float):
+    """
+    Creates a new product listing
+
+    :param seller_id: User ID
+    :type seller_id: str
+    :param name: New product's name
+    :type name: str
+    :param price: New product's price
+    :type price: float
+    """
+
+    product: Product = Product(seller_id=seller_id, name=name, price=price)
+    try:
+        product_db.insert_product(product)
+
+    except mysqlError as e:
+        return errors.UNKNOWN_DATABASE_ERROR(e)
+
+    return response.PRODUCT_LISTING_CREATED_SUCCESSFULLY

backend/app/services/product/product_delete_service.py

@@ -0,0 +1,23 @@
+from mysql.connector import Error as mysqlError
+
+from app.messages.api_responses import product_responses as response
+import app.messages.api_errors as errors
+
+from app.db import product_db
+
+from app.models.product_model import Product
+
+
+def delete_product(seller_id: str, product_id: str):
+    product: Product = product_db.fetch_product_by_id(product_id)
+
+    if product.seller_id != seller_id:
+        return response.NOT_OWNER_OF_PRODUCT
+
+    try:
+        product_db.delete_product(product)
+
+    except mysqlError as e:
+        return errors.UNKNOWN_DATABASE_ERROR(e)
+
+    return response.PRODUCT_LISTING_CREATED_SUCCESSFULLY

backend/app/services/product/product_helper.py

@@ -0,0 +1,8 @@
+import imghdr
+
+def is_base64_jpg(decoded_string) -> bool:
+    try:
+        image_type = imghdr.what(None, decoded_string)
+        return image_type == "jpeg"
+    except Exception:
+        return False

backend/app/services/product/product_info_service.py

@@ -0,0 +1,20 @@
+from mysql.connector import Error as mysqlError
+
+from app.messages.api_responses import product_responses as response
+import app.messages.api_errors as errors
+
+from app.db import product_db
+
+from app.models.product_model import Product
+
+
+def product_info(product_id: int):
+    try:
+        product: Product = product_db.fetch_product_extended_by_id(product_id)
+
+        if product is None:
+            return response.UNKNOWN_PRODUCT
+
+        return product, 200
+    except mysqlError as e:
+        return errors.UNKNOWN_DATABASE_ERROR(e)

backend/app/services/product/product_list_service.py

@@ -0,0 +1,29 @@
+from mysql.connector import Error as mysqlError
+
+from app.messages.api_responses import product_responses as response
+import app.messages.api_errors as errors
+
+from app.db import product_db
+
+def product_list(page: int):
+    try:
+        result_products = product_db.fetch_products(page)
+
+        if result_products is None:
+            return response.SCROLLED_TOO_FAR
+
+        result_obj = []
+        for product in result_products:
+            mid_result = {
+                "id": product.product_id,
+                "seller": product.seller_id,
+                "name": product.name,
+                "price": product.price,
+            }
+
+            result_obj.append(mid_result)
+
+        return result_obj, 200
+
+    except mysqlError as e:
+        errors.UNKNOWN_DATABASE_ERROR(e)