added requirements.txt

Author: vickytilotia

app.py

@@ -0,0 +1,129 @@
+from flask import Flask, request, jsonify
+from flask_sqlalchemy import SQLAlchemy
+from flask_marshmallow import Marshmallow
+import os
+
+
+# app init
+app = Flask(__name__)
+basedir = os.path.abspath(os.path.dirname(__file__))
+
+# Database
+app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///" + os.path.join(
+ basedir, "db.sqlite"
+ )
+app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
+
+# Init db
+db = SQLAlchemy(app)
+# Init ma
+ma = Marshmallow(app)
+
+
+# Product Class/Model
+class Product(db.Model):
+ id = db.Column(db.Integer, primary_key=True)
+ name = db.Column(db.String(100), unique=True)
+ description = db.Column(db.String(200))
+ price = db.Column(db.Float)
+ quantity = db.Column(db.Integer)
+
+ def __init__(self, name, description, price, quantity):
+ self.name = name
+ self.description = description
+ self.price = price
+ self.quantity = quantity
+
+
+# Product Schema
+class ProductSchema(ma.Schema):
+ class Meta:
+ fields = ("id", "name", "description", "price", "quantity")
+
+
+# Init Schema
+product_schema = ProductSchema()
+products_schema = ProductSchema(many=True)
+
+# Create the Tables
+with app.app_context():
+ db.create_all()
+
+
+@app.route("/", methods=["GET"])
+def get():
+ return jsonify({
+ 'Url Routes':{
+ "home-GET": "/",
+ "get all product-GET": "Product",
+ "add a product-POST": "Product",
+ "get a product detail-GET":"Product/id",
+ "edit a product detail-PUT":"Product/id",
+ "delete a product-DELETE":"Product/id"
+ },
+ })
+
+
+# add product
+@app.route("/product", methods=["POST"])
+def add_product():
+ name = request.json["name"]
+ description = request.json["description"]
+ price = request.json["price"]
+ quantity = request.json["quantity"]
+
+ new_product = Product(name, description, price, quantity)
+ db.session.add(new_product)
+ db.session.commit()
+
+ return product_schema.jsonify(new_product)
+
+
+# get all product
+@app.route("/product", methods=["GET"])
+def get_products():
+ products = Product.query.all()
+ result = products_schema.dump(products)
+ return result
+
+
+# get single product
+@app.route("/product/<int:id>", methods=["GET"])
+def get_product(id):
+ product = Product.query.get(id)
+ result = product_schema.dump(product)
+ return result
+
+
+# edit a product
+@app.route("/product/<int:id>", methods=["PUT"])
+def edit_product(id):
+ product = Product.query.get(id)
+
+ name = request.json["name"]
+ description = request.json["description"]
+ price = request.json["price"]
+ quantity = request.json["quantity"]
+
+ product.name = name
+ product.price = price
+ product.description = description
+ product.quantity = quantity
+
+ db.session.commit()
+
+ return product_schema.jsonify(product)
+
+
+# delete a product
+@app.route("/product/<int:id>", methods=["DELETE"])
+def delete_product(id):
+ product = Product.query.get(id)
+ db.session.delete(product)
+ db.session.commit()
+ return {"msg": "product deleted"}
+
+
+# Run Server
+if __name__ == "__main__":
+ app.run(debug=True)