112 lines
3.2 KiB
Python
112 lines
3.2 KiB
Python
import base64
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from flask import abort
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from mysql.connector import Error
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from app.extensions import db_connection
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class ProductService:
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@staticmethod
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def get_products(page: int):
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try:
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with db_connection.cursor(dictionary=True) as cursor:
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offset = 10 * page
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cursor.execute("select product.id, user.displayname as seller, product.name, product.price_pc from product inner join user on user.id = product.seller_id order by product.id limit 10 offset %s", (offset,))
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results = cursor.fetchall()
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if len(results) < 1:
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return {"Failed": "Failed to fetch products. You've probably selected too far with pages"}, 400
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result_obj = []
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for row in results:
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mid_result = {
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"id": row['id'],
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"seller": row['seller'],
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"name": row['name'],
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"price": row['price_pc']
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}
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result_obj.append(mid_result)
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return result_obj, 200
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except Error as e:
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return {"Failed": f"Failed to fetch products. Reason: {e}"}, 400
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@staticmethod
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def get_name(product_id: int):
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db_cursor.execute(f"select name from product where product.id = {product_id}")
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if db_cursor.rowcount != 1:
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return abort(404)
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result = db_cursor.fetchone()
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return result['name']
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@staticmethod
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def get_manufacturer(product_id: int):
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db_cursor.execute(f"select user.displayname as seller from product inner join user on product.seller_id = user.id where product.id = {product_id}")
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if db_cursor.rowcount != 1:
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return abort(404)
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result = db_cursor.fetchone()
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return result['seller']
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@staticmethod
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def get_price(product_id: int):
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db_cursor.execute(f"select price_pc from product where product.id = {product_id}")
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if db_cursor.rowcount != 1:
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return abort(404)
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result = db_cursor.fetchone()
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return result['price_pc']
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@staticmethod
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def get_image(product_id: int):
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db_cursor.execute(f"select image from product where product.id = {product_id}")
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if db_cursor.rowcount != 1:
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return abort(404)
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result = db_cursor.fetchone()
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return base64.b64encode(result['image']).decode('utf-8')
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@staticmethod
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def get_image_name(product_id: int):
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db_cursor.execute(f"select image_name from product where product.id = {product_id}")
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if db_cursor.rowcount != 1:
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return abort(404)
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result = db_cursor.fetchone()
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return result['image_name']
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@staticmethod
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def get_all_info(product_id: int):
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db_cursor.execute(f"select name, user.displayname as seller, price_pc, image_name, image from product inner join user on product.seller_id = user.id where product.id = {product_id}")
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if db_cursor.rowcount != 1:
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return abort(404)
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result = db_cursor.fetchone()
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return {
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"name": result['name'],
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"seller": result['seller'],
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"price": result['price_pc'],
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"image_name": result['image_name'],
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"image": base64.b64encode(result['image']).decode('utf-8')
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}
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@staticmethod
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def create_listing(name: str, seller_id: str, price: float, image_name: str, image):
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try:
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db_cursor.execute("insert into product(seller_id, name, price_pc, image, image_name) values (%s, %s, %s, %s, %s)", (seller_id, name, price, image, image_name))
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db_connection.commit()
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except Error as e:
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return {"Failed": f"Failed to create product. {e}"}, 400
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return {"Success", "Successfully created new product listing"}, 200 |