Simple Mint

SimpleMint.sol

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

import "@openzeppelin/contracts@5.0.2/token/ERC721/extensions/ERC721URIStorage.sol";
import "@openzeppelin/contracts@5.0.2/access/Ownable.sol";

// This contract is for educational demo purposes only. Do not put this on the mainnet. 
contract SimpleMintNFT is ERC721URIStorage, Ownable {
    uint256 private _nextId = 1;
    bool    public mintingEnabled = true;

    constructor(string memory name_, string memory symbol_)
        ERC721(name_, symbol_) 
        Ownable(msg.sender) 
    {}

    function mint(string calldata tokenURI_) external returns (uint256 tokenId) {
        require(mintingEnabled, "Mint disabled");
        tokenId = _nextId++;
        _safeMint(msg.sender, tokenId);
        _setTokenURI(tokenId, tokenURI_);
    }
    

    function setMintingEnabled(bool enabled) external onlyOwner {
        mintingEnabled = enabled;
    }

    function totalMinted() external view returns (uint256) {
        return _nextId - 1;
    }
}