Add user links management system with platform support

csharp/Platform.Bot/Program.cs

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

csharp/Platform.Bot/Triggers/AddUserLinkTrigger.cs

@@ -0,0 +1,140 @@
+using System;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using Interfaces;
+using Octokit;
+using Storage.Local;
+using Storage.Remote.GitHub;
+
+namespace Platform.Bot.Triggers
+{
+    using TContext = Issue;
+
+    /// <summary>
+    /// <para>
+    /// Represents the add user link trigger for handling user link addition commands.
+    /// </para>
+    /// <para></para>
+    /// </summary>
+    /// <seealso cref="ITrigger{TContext}"/>
+    internal class AddUserLinkTrigger : ITrigger<TContext>
+    {
+        private readonly GitHubStorage _storage;
+        private readonly FileStorage _fileStorage;
+        private readonly Regex _commandPattern;
+
+        /// <summary>
+        /// <para>
+        /// Initializes a new <see cref="AddUserLinkTrigger"/> instance.
+        /// </para>
+        /// <para></para>
+        /// </summary>
+        /// <param name="storage">
+        /// <para>The GitHub storage.</para>
+        /// <para></para>
+        /// </param>
+        /// <param name="fileStorage">
+        /// <para>The file storage.</para>
+        /// <para></para>
+        /// </param>
+        public AddUserLinkTrigger(GitHubStorage storage, FileStorage fileStorage)
+        {
+            _storage = storage;
+            _fileStorage = fileStorage;
+            _commandPattern = new Regex(@"^add link (\w+) (.+)$", RegexOptions.IgnoreCase);
+        }
+
+        /// <summary>
+        /// <para>
+        /// Determines whether this instance condition matches the context.
+        /// </para>
+        /// <para></para>
+        /// </summary>
+        /// <param name="context">
+        /// <para>The issue context.</para>
+        /// <para></para>
+        /// </param>
+        /// <returns>
+        /// <para>True if the issue title matches the add link pattern.</para>
+        /// <para></para>
+        /// </returns>
+        public async Task<bool> Condition(TContext context)
+        {
+            return _commandPattern.IsMatch(context.Title.Trim());
+        }
+
+        /// <summary>
+        /// <para>
+        /// Executes the add user link action.
+        /// </para>
+        /// <para></para>
+        /// </summary>
+        /// <param name="context">
+        /// <para>The issue context.</para>
+        /// <para></para>
+        /// </param>
+        public async Task Action(TContext context)
+        {
+            var match = _commandPattern.Match(context.Title.Trim());
+            if (!match.Success)
+            {
+                await _storage.CreateIssueComment(context.Repository.Id, context.Number, "❌ Invalid command format. Use: `add link <platform> <url>`");
+                _storage.CloseIssue(context);
+                return;
+            }
+
+            var platform = match.Groups[1].Value;
+            var url = match.Groups[2].Value;
+            var username = context.User.Login;
+
+            // Validate platform is supported
+            if (!DomainWhitelist.GetSupportedPlatforms().Any(p => string.Equals(p, platform, StringComparison.OrdinalIgnoreCase)))
+            {
+                var supportedPlatforms = string.Join(", ", DomainWhitelist.GetSupportedPlatforms());
+                await _storage.CreateIssueComment(context.Repository.Id, context.Number, 
+                    $"❌ Platform '{platform}' is not supported. Supported platforms: {supportedPlatforms}");
+                _storage.CloseIssue(context);
+                return;
+            }
+
+            // Validate URL is allowed for the platform
+            if (!DomainWhitelist.IsUrlAllowed(platform, url))
+            {
+                var allowedDomains = string.Join(", ", DomainWhitelist.GetAllowedDomains(platform));
+                await _storage.CreateIssueComment(context.Repository.Id, context.Number, 
+                    $"❌ URL '{url}' is not allowed for platform '{platform}'. Allowed domains: {allowedDomains}");
+                _storage.CloseIssue(context);
+                return;
+            }
+
+            try
+            {
+                // Check if user already has a link for this platform
+                var existingLinks = _fileStorage.GetUserLinks(username);
+                var existingLink = existingLinks.Find(link => string.Equals(link.Platform, platform, StringComparison.OrdinalIgnoreCase));
+
+                if (existingLink != null)
+                {
+                    await _storage.CreateIssueComment(context.Repository.Id, context.Number, 
+                        $"❌ You already have a {platform} link: {existingLink.Url}. Remove it first if you want to change it.");
+                    _storage.CloseIssue(context);
+                    return;
+                }
+
+                // Add the user link
+                _fileStorage.AddUserLink(username, platform, url);
+
+                await _storage.CreateIssueComment(context.Repository.Id, context.Number, 
+                    $"✅ Successfully added {platform} link for @{username}: {url}");
+            }
+            catch (Exception ex)
+            {
+                await _storage.CreateIssueComment(context.Repository.Id, context.Number, 
+                    $"❌ Error adding link: {ex.Message}");
+            }
+
+            _storage.CloseIssue(context);
+        }
+    }
+}

csharp/Platform.Bot/Triggers/ListUserLinksTrigger.cs

@@ -0,0 +1,144 @@
+using System;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using Interfaces;
+using Octokit;
+using Storage.Local;
+using Storage.Remote.GitHub;
+
+namespace Platform.Bot.Triggers
+{
+    using TContext = Issue;
+
+    /// <summary>
+    /// <para>
+    /// Represents the list user links trigger for displaying user links.
+    /// </para>
+    /// <para></para>
+    /// </summary>
+    /// <seealso cref="ITrigger{TContext}"/>
+    internal class ListUserLinksTrigger : ITrigger<TContext>
+    {
+        private readonly GitHubStorage _storage;
+        private readonly FileStorage _fileStorage;
+        private readonly Regex _listMyLinksPattern;
+        private readonly Regex _listUserLinksPattern;
+
+        /// <summary>
+        /// <para>
+        /// Initializes a new <see cref="ListUserLinksTrigger"/> instance.
+        /// </para>
+        /// <para></para>
+        /// </summary>
+        /// <param name="storage">
+        /// <para>The GitHub storage.</para>
+        /// <para></para>
+        /// </param>
+        /// <param name="fileStorage">
+        /// <para>The file storage.</para>
+        /// <para></para>
+        /// </param>
+        public ListUserLinksTrigger(GitHubStorage storage, FileStorage fileStorage)
+        {
+            _storage = storage;
+            _fileStorage = fileStorage;
+            _listMyLinksPattern = new Regex(@"^(list my links|my links)$", RegexOptions.IgnoreCase);
+            _listUserLinksPattern = new Regex(@"^list links (\w+)$", RegexOptions.IgnoreCase);
+        }
+
+        /// <summary>
+        /// <para>
+        /// Determines whether this instance condition matches the context.
+        /// </para>
+        /// <para></para>
+        /// </summary>
+        /// <param name="context">
+        /// <para>The issue context.</para>
+        /// <para></para>
+        /// </param>
+        /// <returns>
+        /// <para>True if the issue title matches any list links pattern.</para>
+        /// <para></para>
+        /// </returns>
+        public async Task<bool> Condition(TContext context)
+        {
+            var title = context.Title.Trim();
+            return _listMyLinksPattern.IsMatch(title) || _listUserLinksPattern.IsMatch(title);
+        }
+
+        /// <summary>
+        /// <para>
+        /// Executes the list user links action.
+        /// </para>
+        /// <para></para>
+        /// </summary>
+        /// <param name="context">
+        /// <para>The issue context.</para>
+        /// <para></para>
+        /// </param>
+        public async Task Action(TContext context)
+        {
+            var title = context.Title.Trim();
+            var targetUsername = context.User.Login; // Default to the requesting user
+            var isRequestingOwnLinks = true;
+
+            // Check if requesting links for a specific user
+            var userMatch = _listUserLinksPattern.Match(title);
+            if (userMatch.Success)
+            {
+                targetUsername = userMatch.Groups[1].Value;
+                isRequestingOwnLinks = string.Equals(targetUsername, context.User.Login, StringComparison.OrdinalIgnoreCase);
+            }
+
+            try
+            {
+                var userLinks = _fileStorage.GetUserLinks(targetUsername);
+
+                if (!userLinks.Any())
+                {
+                    var message = isRequestingOwnLinks 
+                        ? "You don't have any links registered." 
+                        : $"User @{targetUsername} doesn't have any links registered.";
+
+                    await _storage.CreateIssueComment(context.Repository.Id, context.Number, message);
+                }
+                else
+                {
+                    var messageBuilder = new StringBuilder();
+                    var displayUsername = isRequestingOwnLinks ? "Your" : $"@{targetUsername}'s";
+                    messageBuilder.AppendLine($"## {displayUsername} Links\n");
+
+                    foreach (var link in userLinks.OrderBy(l => l.Platform))
+                    {
+                        messageBuilder.AppendLine($"**{link.Platform}**: {link.Url}");
+                    }
+
+                    messageBuilder.AppendLine($"\n*Total: {userLinks.Count} link{(userLinks.Count == 1 ? "" : "s")}*");
+
+                    if (isRequestingOwnLinks)
+                    {
+                        messageBuilder.AppendLine("\n---");
+                        messageBuilder.AppendLine("**Commands:**");
+                        messageBuilder.AppendLine("- `add link <platform> <url>` - Add a new link");
+                        messageBuilder.AppendLine("- `remove link <platform>` - Remove a link");
+                        messageBuilder.AppendLine("- `my links` - View your links");
+
+                        var supportedPlatforms = string.Join(", ", DomainWhitelist.GetSupportedPlatforms());
+                        messageBuilder.AppendLine($"\n**Supported platforms:** {supportedPlatforms}");
+                    }
+
+                    await _storage.CreateIssueComment(context.Repository.Id, context.Number, messageBuilder.ToString());
+                }
+            }
+            catch (Exception ex)
+            {
+                await _storage.CreateIssueComment(context.Repository.Id, context.Number, 
+                    $"❌ Error retrieving links: {ex.Message}");
+            }
+
+            _storage.CloseIssue(context);
+        }
+    }
+}