MeebitsDAO red ticket solidity contract

TicketTokens.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol";
import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/utils/Counters.sol";

contract MeebitsDAOTickets is
    ERC721,
    ERC721URIStorage,
    ERC721Burnable,
    AccessControl
{
    using Counters for Counters.Counter;

    bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
    Counters.Counter private _tokenIdCounter;

    constructor() ERC721("MeebitsDAOTickets", "MTIX") {
        _setupRole(DEFAULT_ADMIN_ROLE, msg.sender);
        _setupRole(MINTER_ROLE, msg.sender);
    }

    function safeMint(
        address to,
        uint256 tokenId,
        string memory _tokenURI
    ) public {
        require(hasRole(MINTER_ROLE, msg.sender));
        require(
            tokenId <= _tokenIdCounter.current(),
            "MeebitsDAOTickets: cannot mint a single token that hasn't been minted already"
        );
        _safeMint(to, tokenId);
        _setTokenURI(tokenId, _tokenURI);
    }

    function _burn(uint256 tokenId)
        internal
        override(ERC721, ERC721URIStorage)
    {
        super._burn(tokenId);
    }

    function tokenURI(uint256 tokenId)
        public
        view
        override(ERC721, ERC721URIStorage)
        returns (string memory)
    {
        return super.tokenURI(tokenId);
    }

    function supportsInterface(bytes4 interfaceId)
        public
        view
        override(ERC721, AccessControl)
        returns (bool)
    {
        return super.supportsInterface(interfaceId);
    }

    function totalSupply() public view virtual returns (uint256) {
        return _tokenIdCounter.current();
    }
}