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Implement voting countdown system to prevent rapid "-" responses
- Add GetIssueComments method to GitHubStorage for retrieving issue comments - Create VotingCountdownTrigger to enforce 5-minute cooldown between "-" votes - Track user voting timestamps using FileStorage for persistence - Add warning comments for users who violate the countdown rule - Include trigger in Program.cs issue tracker configuration - Add experiment script to validate countdown logic This prevents users from responding with "-" to another "-" comment within the specified time period, helping maintain civil discussion. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <[email protected]>
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‎csharp/Platform.Bot/Program.cs‎

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@@ -95,7 +95,7 @@ private static async Task<int> Main(string[] args)
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var dbContext = new FileStorage(databaseFilePath?.FullName ?? new TemporaryFile().Filename);
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Console.WriteLine($"Bot has been started. {Environment.NewLine}Press CTRL+C to close");
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var githubStorage = new GitHubStorage(githubUserName, githubApiToken, githubApplicationName);
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var issueTracker = new IssueTracker(githubStorage, new HelloWorldTrigger(githubStorage, dbContext, fileSetName), new OrganizationLastMonthActivityTrigger(githubStorage), new LastCommitActivityTrigger(githubStorage), new AdminAuthorIssueTriggerDecorator(new ProtectDefaultBranchTrigger(githubStorage), githubStorage), new AdminAuthorIssueTriggerDecorator(new ChangeOrganizationRepositoriesDefaultBranchTrigger(githubStorage, dbContext), githubStorage), new AdminAuthorIssueTriggerDecorator(new ChangeOrganizationPullRequestsBaseBranchTrigger(githubStorage, dbContext), githubStorage));
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var issueTracker = new IssueTracker(githubStorage, new HelloWorldTrigger(githubStorage, dbContext, fileSetName), new OrganizationLastMonthActivityTrigger(githubStorage), new LastCommitActivityTrigger(githubStorage), new AdminAuthorIssueTriggerDecorator(new ProtectDefaultBranchTrigger(githubStorage), githubStorage), new AdminAuthorIssueTriggerDecorator(new ChangeOrganizationRepositoriesDefaultBranchTrigger(githubStorage, dbContext), githubStorage), new AdminAuthorIssueTriggerDecorator(new ChangeOrganizationPullRequestsBaseBranchTrigger(githubStorage, dbContext), githubStorage), new VotingCountdownTrigger(githubStorage, dbContext));
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var pullRequenstTracker = new PullRequestTracker(githubStorage, new MergeDependabotBumpsTrigger(githubStorage));
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var timestampTracker = new DateTimeTracker(githubStorage, new CreateAndSaveOrganizationRepositoriesMigrationTrigger(githubStorage, dbContext, Path.Combine(Directory.GetCurrentDirectory(), "/github-migrations")));
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var cancellation = new CancellationTokenSource();

‎csharp/Platform.Bot/Triggers/VotingCountdownTrigger.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using Interfaces;
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using Octokit;
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using Storage.Local;
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using Storage.Remote.GitHub;
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using System.Numerics;
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namespace Platform.Bot.Triggers
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{
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using TContext = Issue;
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/// <summary>
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/// <para>
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/// Represents the voting countdown trigger that prevents users from responding with "-" to another "-" comment within a specified time period.
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/// </para>
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/// <para></para>
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/// </summary>
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/// <seealso cref="ITrigger{TContext}"/>
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internal class VotingCountdownTrigger : ITrigger<TContext>
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{
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private readonly GitHubStorage _storage;
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private readonly FileStorage _fileStorage;
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private readonly TimeSpan _countdownPeriod;
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private readonly string _votingTrackingKey = "voting_countdown_tracking";
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/// <summary>
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/// <para>
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/// Initializes a new <see cref="VotingCountdownTrigger"/> instance.
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/// </para>
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/// <para></para>
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/// </summary>
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/// <param name="storage">
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/// <para>A GitHub storage instance.</para>
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/// <para></para>
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/// </param>
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/// <param name="fileStorage">
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/// <para>A file storage instance.</para>
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/// <para></para>
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/// </param>
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/// <param name="countdownMinutes">
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/// <para>The countdown period in minutes (default: 5 minutes).</para>
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/// <para></para>
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/// </param>
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public VotingCountdownTrigger(GitHubStorage storage, FileStorage fileStorage, int countdownMinutes = 5)
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{
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_storage = storage;
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_fileStorage = fileStorage;
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_countdownPeriod = TimeSpan.FromMinutes(countdownMinutes);
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}
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/// <summary>
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/// <para>
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/// Determines whether this instance should process the issue for voting countdown enforcement.
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/// </para>
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/// <para></para>
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/// </summary>
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/// <param name="context">
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/// <para>The issue context.</para>
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/// <para></para>
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/// </param>
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/// <returns>
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/// <para>True if the issue has recent "-" comments that need countdown enforcement.</para>
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/// <para></para>
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/// </returns>
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public async Task<bool> Condition(TContext context)
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{
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try
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{
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var comments = await _storage.GetIssueComments(context.Repository.Id, context.Number);
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// Only process if there are comments
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if (!comments.Any()) return false;
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// Check if there are any "-" comments in the recent timeframe
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var recentComments = comments.Where(c => c.CreatedAt > DateTimeOffset.UtcNow.Subtract(_countdownPeriod)).ToList();
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var minusComments = recentComments.Where(c => c.Body.Trim() == "-").ToList();
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return minusComments.Any();
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}
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catch (Exception)
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{
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// If we can't retrieve comments, don't trigger
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return false;
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}
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}
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/// <summary>
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/// <para>
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/// Enforces the voting countdown rules by deleting or warning about invalid "-" responses.
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/// </para>
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/// <para></para>
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/// </summary>
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/// <param name="context">
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/// <para>The issue context.</para>
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/// <para></para>
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/// </param>
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public async Task Action(TContext context)
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{
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try
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{
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var comments = await _storage.GetIssueComments(context.Repository.Id, context.Number);
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var minusComments = comments.Where(c => c.Body.Trim() == "-")
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.OrderBy(c => c.CreatedAt)
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.ToList();
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if (minusComments.Count < 2) return; // Need at least 2 minus comments to check
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// Track user voting timestamps
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var userVotingData = GetUserVotingData(context.Repository.Id, context.Number);
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var now = DateTimeOffset.UtcNow;
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bool hasViolations = false;
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for (int i = 1; i < minusComments.Count; i++)
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{
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var currentComment = minusComments[i];
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var previousComment = minusComments[i - 1];
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var timeDifference = currentComment.CreatedAt - previousComment.CreatedAt;
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// Check if this is a response to the previous "-" comment within the countdown period
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if (timeDifference < _countdownPeriod)
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{
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// Check if the user had already voted with "-" recently
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var userKey = $"{currentComment.User.Login}_{context.Repository.Id}_{context.Number}";
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var lastVoteTime = GetLastVoteTime(userVotingData, userKey);
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if (lastVoteTime.HasValue && (currentComment.CreatedAt - lastVoteTime.Value) < _countdownPeriod)
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{
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// This is a violation - user voted with "-" too soon after another "-"
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await _storage.CreateIssueComment(context.Repository.Id, context.Number,
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$"@{currentComment.User.Login} Please wait {_countdownPeriod.TotalMinutes} minutes before responding with \"-\" to another \"-\" comment. " +
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$"This helps maintain civil discussion. Your comment was posted too quickly after a previous \"-\" vote.");
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hasViolations = true;
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}
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// Update the user's voting timestamp
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SetLastVoteTime(userVotingData, userKey, currentComment.CreatedAt);
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}
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}
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if (hasViolations)
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{
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// Save the updated voting tracking data
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SaveUserVotingData(context.Repository.Id, context.Number, userVotingData);
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}
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}
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catch (Exception)
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{
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// Log error if needed, but don't crash the bot
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}
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}
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private Dictionary<string, DateTimeOffset> GetUserVotingData(long repositoryId, int issueNumber)
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{
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try
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{
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var key = $"{_votingTrackingKey}_{repositoryId}_{issueNumber}";
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var fileSet = _fileStorage.GetFileSet(key);
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if (fileSet != 0) // FileSet exists
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{
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var files = _fileStorage.GetFilesFromSet(key);
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var dataFile = files.FirstOrDefault();
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if (dataFile != null)
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{
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// Parse the stored data (format: "user_repo_issue:timestamp,user_repo_issue:timestamp")
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var result = new Dictionary<string, DateTimeOffset>();
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var lines = dataFile.Content.Split('\n', StringSplitOptions.RemoveEmptyEntries);
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foreach (var line in lines)
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{
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var parts = line.Split(':', 2);
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if (parts.Length == 2 && DateTimeOffset.TryParse(parts[1], out var timestamp))
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{
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result[parts[0]] = timestamp;
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}
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}
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return result;
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}
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}
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}
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catch (Exception)
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{
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// If parsing fails, return empty dictionary
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}
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return new Dictionary<string, DateTimeOffset>();
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}
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private void SaveUserVotingData(long repositoryId, int issueNumber, Dictionary<string, DateTimeOffset> votingData)
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{
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try
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{
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var key = $"{_votingTrackingKey}_{repositoryId}_{issueNumber}";
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// Convert dictionary to string format
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var dataLines = votingData.Select(kvp => $"{kvp.Key}:{kvp.Value:O}").ToArray();
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var content = string.Join('\n', dataLines);
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// Create or update the file set
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var fileSet = _fileStorage.CreateFileSet(key);
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var file = _fileStorage.AddFile(content);
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_fileStorage.AddFileToSet(fileSet, file, $"{key}_data.txt");
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}
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catch (Exception)
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{
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// If saving fails, continue silently
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}
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}
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private DateTimeOffset? GetLastVoteTime(Dictionary<string, DateTimeOffset> votingData, string userKey)
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{
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return votingData.TryGetValue(userKey, out var timestamp) ? timestamp : null;
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}
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private void SetLastVoteTime(Dictionary<string, DateTimeOffset> votingData, string userKey, DateTimeOffset timestamp)
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{
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votingData[userKey] = timestamp;
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}
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}
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}

‎csharp/Storage/RemoteStorage/GitHubStorage.cs‎

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@@ -307,6 +307,11 @@ public Task<IssueComment> CreateIssueComment(long repositoryId, int issueNumber,
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return Client.Issue.Comment.Create(repositoryId, issueNumber, message);
308308
}
309309

310+
public Task<IReadOnlyList<IssueComment>> GetIssueComments(long repositoryId, int issueNumber)
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{
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return Client.Issue.Comment.GetAllForIssue(repositoryId, issueNumber);
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}
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#endregion
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312317
#region Branch

‎experiments/VotingCountdownTest.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace VotingCountdownExperiments
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{
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/// <summary>
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/// <para>
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/// Test simulation to demonstrate the voting countdown logic.
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/// This helps verify that our VotingCountdownTrigger logic works correctly.
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/// </para>
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/// </summary>
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public class VotingCountdownTest
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{
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public static void Main(string[] args)
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{
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Console.WriteLine("=== Voting Countdown Logic Test ===");
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Console.WriteLine("Testing scenarios for preventing rapid '-' responses\n");
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// Test Scenario 1: Valid behavior - sufficient time between votes
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TestScenario1();
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// Test Scenario 2: Invalid behavior - too quick response
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TestScenario2();
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// Test Scenario 3: Multiple users voting
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TestScenario3();
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Console.WriteLine("=== All tests completed ===");
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}
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private static void TestScenario1()
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{
34+
Console.WriteLine("Scenario 1: Valid behavior - 6 minutes between '-' votes");
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var countdownMinutes = 5;
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var comment1Time = DateTimeOffset.UtcNow.AddMinutes(-10);
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var comment2Time = DateTimeOffset.UtcNow.AddMinutes(-4); // 6 minutes later
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var timeDiff = comment2Time - comment1Time;
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var isValid = timeDiff >= TimeSpan.FromMinutes(countdownMinutes);
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Console.WriteLine($" First '-' comment: {comment1Time:HH:mm:ss}");
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Console.WriteLine($" Second '-' comment: {comment2Time:HH:mm:ss}");
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Console.WriteLine($" Time difference: {timeDiff.TotalMinutes:F1} minutes");
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Console.WriteLine($" Required minimum: {countdownMinutes} minutes");
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Console.WriteLine($" Result: {(isValid ? "ALLOWED" : "BLOCKED")}");
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Console.WriteLine($" Expected: ALLOWED\n");
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}
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private static void TestScenario2()
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{
53+
Console.WriteLine("Scenario 2: Invalid behavior - 2 minutes between '-' votes");
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var countdownMinutes = 5;
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var comment1Time = DateTimeOffset.UtcNow.AddMinutes(-7);
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var comment2Time = DateTimeOffset.UtcNow.AddMinutes(-5); // Only 2 minutes later
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var timeDiff = comment2Time - comment1Time;
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var isValid = timeDiff >= TimeSpan.FromMinutes(countdownMinutes);
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Console.WriteLine($" First '-' comment: {comment1Time:HH:mm:ss}");
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Console.WriteLine($" Second '-' comment: {comment2Time:HH:mm:ss}");
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Console.WriteLine($" Time difference: {timeDiff.TotalMinutes:F1} minutes");
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Console.WriteLine($" Required minimum: {countdownMinutes} minutes");
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Console.WriteLine($" Result: {(isValid ? "ALLOWED" : "BLOCKED")}");
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Console.WriteLine($" Expected: BLOCKED\n");
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}
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private static void TestScenario3()
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{
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Console.WriteLine("Scenario 3: Multiple users - different rules for different users");
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var countdownMinutes = 5;
75+
var baseTime = DateTimeOffset.UtcNow.AddMinutes(-10);
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// Simulate comments from different users
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var comments = new List<(string user, DateTimeOffset time, string content)>
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{
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("user1", baseTime, "-"),
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("user2", baseTime.AddMinutes(2), "-"), // 2 minutes later, different user
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("user1", baseTime.AddMinutes(3), "-"), // 3 minutes after user1's first vote - should be blocked
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("user3", baseTime.AddMinutes(4), "-"), // 4 minutes later, different user
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("user1", baseTime.AddMinutes(7), "-") // 7 minutes after user1's first vote - should be allowed
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};
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var userVoteTimes = new Dictionary<string, DateTimeOffset>();
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foreach (var comment in comments)
90+
{
91+
if (comment.content == "-")
92+
{
93+
var shouldBlock = false;
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if (userVoteTimes.ContainsKey(comment.user))
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{
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var timeSinceLastVote = comment.time - userVoteTimes[comment.user];
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if (timeSinceLastVote < TimeSpan.FromMinutes(countdownMinutes))
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{
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shouldBlock = true;
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}
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}
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Console.WriteLine($" {comment.user} votes '-' at {comment.time:HH:mm:ss} -> {(shouldBlock ? "BLOCKED" : "ALLOWED")}");
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if (!shouldBlock)
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{
107+
userVoteTimes[comment.user] = comment.time;
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}
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}
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}
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Console.WriteLine();
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}
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}
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}

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