commodity.sol

pragma solidity ^0.5.1;

contract Commodity {
    
    struct Product {
        string productName;
        uint256 productPrice;
        uint256 insuranceCode;
        uint256 costPrice;
        uint256 sellingPrice;
        uint256 shippingTime;
    }
    
    mapping (uint256 => Product) internal eProduct;
    uint256 id;
    
    function registerProduct(string memory _productName, uint256 _productPrice, uint256 _shippingTime) public returns(bool){
        id++;
        eProduct[id].productName = _productName;
        eProduct[id].productPrice = _productPrice;
        eProduct[id].shippingTime = _shippingTime;
    }
    
    function coverInsurance(uint256 _productId, uint256 _insuranceCode) public {
        require(eProduct[_productId].costPrice !=0, "Product price must be set before covering Insurance");
        require(eProduct[_productId].costPrice >= 500000000 , "Product price should be > 500000000 for insurance cover");
        eProduct[_productId].insuranceCode = _insuranceCode;
    }
    
    function buyCommodity(uint256 _productId, uint256 _costPrice) public {
        eProduct[_productId].costPrice = _costPrice;
    }
    
    function sellCommodity(uint256 _productId, uint256 _sellingPrice) public {
        eProduct[_productId].sellingPrice = _sellingPrice;
    }
    
    function getDetails(uint256 _productId) public view returns(string memory, uint256, uint256, uint256, uint256, uint256) {
        return(eProduct[_productId].productName,eProduct[_productId].productPrice,eProduct[_productId].shippingTime,eProduct[_productId].insuranceCode,eProduct[_productId].costPrice,eProduct[_productId].sellingPrice);
    }
}