Item.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol";

contract Item is ERC721URIStorage {
    // Address of the Item Factory contract
    address immutable itemFactory;

    // Constructor to initialize the contract with a name, symbol, and the address of the Item Factory
    constructor(string memory name_, string memory symbol_, address itemFactory_) ERC721(name_, symbol_) {
        itemFactory = itemFactory_;
    }

    // Modifier to restrict access to only the Item Factory
    modifier onlyFactory() {
        require(msg.sender == itemFactory, "Only factory can call this function");
        _;
    }

    // Function to mint a batch of tokens with sequential IDs and set their token URIs
    function batchMint(address to_, uint256 totalSupply_, string memory tokenURI_) public onlyFactory {
        for (uint256 i = 1; i <= totalSupply_; i++) {
            _mint(to_, i);
            _setTokenURI(i, tokenURI_);
        }
    }
}