Solidity Voting Contract Practice

//SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.7;

import "hardhat/console.sol";

contract Voting {
    address public owner;
    address[5] private allAddresses;
    uint private voteEnd;
    uint private totalVotes;
    string[5] private allVotes;

    struct Voter {
        bool voted;
        string vote;
    }

    constructor () {
        owner = msg.sender;
        voteEnd = block.timestamp + 20;
        totalVotes = 0;
    }

    modifier notOwner {
        require(msg.sender != owner, "Owners cannot participate in the auction.");
        _;
    }

    modifier votesDone {
        require(block.timestamp >= voteEnd, "The vote is not yet finished.");
        _;
    }

    modifier onlyOwner {
        require(msg.sender == owner, "You are not the owner.");
        _;
    }

    mapping(address => Voter) public voter;

    function submitVote (address _voter, string memory _vote) public notOwner {
        require(voter[_voter].voted == false, "You've already voted.");
        voter[_voter].vote = _vote;
        voter[_voter].voted = true;
        allVotes[totalVotes] = _vote;
        allAddresses[totalVotes] = _voter;
        totalVotes++;
    }

    function getVotes () public votesDone onlyOwner view {
        for (uint _x = 0; _x < totalVotes; _x++) {
            console.log(allAddresses[_x], allVotes[_x]);
        }
    }
}