Added Google Drive back, and /send command between bots interaction

Program.cs

@@ -7,7 +7,6 @@
 using Discord;
 using Discord.WebSocket;
 using Discord.Commands;
-using Discord.Rest;
 using CsvHelper;
 using Google.Apis.Auth.OAuth2;
 using Google.Apis.Drive.v3;
@@ -21,6 +20,8 @@ class Program
         private static Random _random = new Random();
         private static DiscordSocketClient _client;
         private static ulong _channelId;
+        private static ulong _specificUserId; // User ID of the specific user
+        private static ulong _specificChannelId; // Channel ID of the specific channel
         private static string _fileId;
         private static string _credentialsPath;
         private static TimeSpan _postTimeSpain;
@@ -32,24 +33,40 @@ static async Task Main(string[] args)
             // Read environment variables
             var token = Environment.GetEnvironmentVariable("DISCORD_BOT_TOKEN");
             var channelIdStr = Environment.GetEnvironmentVariable("DISCORD_CHANNEL_ID");
+            var specificUserIdStr = Environment.GetEnvironmentVariable("SPECIFIC_USER_ID");
+            var specificChannelIdStr = Environment.GetEnvironmentVariable("SPECIFIC_CHANNEL_ID");
             _fileId = Environment.GetEnvironmentVariable("GOOGLE_DRIVE_FILE_ID");
             _credentialsPath = Environment.GetEnvironmentVariable("GOOGLE_CREDENTIALS_PATH");
             var postTimeStr = Environment.GetEnvironmentVariable("POST_TIME");
 
             // Check if token, channelId, fileId, credentialsPath, or postTime is null or empty
-            if (string.IsNullOrEmpty(token) || string.IsNullOrEmpty(channelIdStr) || string.IsNullOrEmpty(_fileId) || string.IsNullOrEmpty(_credentialsPath) || string.IsNullOrEmpty(postTimeStr))
+            if (string.IsNullOrEmpty(token) || string.IsNullOrEmpty(channelIdStr) || string.IsNullOrEmpty(_fileId) ||
+                string.IsNullOrEmpty(_credentialsPath) || string.IsNullOrEmpty(postTimeStr) || 
+                string.IsNullOrEmpty(specificUserIdStr) || string.IsNullOrEmpty(specificChannelIdStr))
             {
                 Console.WriteLine("Environment variables are not set correctly.");
                 return;
             }
 
-            // Parse channel ID
+            // Parse channel ID, specific user ID, and specific channel ID
             if (!ulong.TryParse(channelIdStr, out _channelId))
             {
                 Console.WriteLine("Invalid DISCORD_CHANNEL_ID format.");
                 return;
             }
 
+            if (!ulong.TryParse(specificUserIdStr, out _specificUserId))
+            {
+                Console.WriteLine("Invalid SPECIFIC_USER_ID format.");
+                return;
+            }
+
+            if (!ulong.TryParse(specificChannelIdStr, out _specificChannelId))
+            {
+                Console.WriteLine("Invalid SPECIFIC_CHANNEL_ID format.");
+                return;
+            }
+
             // Parse post time
             if (!TimeSpan.TryParse(postTimeStr, out _postTimeSpain))
             {
@@ -62,6 +79,7 @@ static async Task Main(string[] args)
             _client.Log += Log;
             _client.Ready += OnReady;
             _client.InteractionCreated += HandleInteractionAsync;
+            _client.MessageReceived += HandleMessageReceivedAsync; // Listen for message events
 
             // Start the bot
             await _client.LoginAsync(TokenType.Bot, token);
@@ -109,7 +127,7 @@ private static async Task OnReady()
                 return;
             }
 
-            // Register commands
+            // Register slash commands
             await RegisterCommandsAsync();
 
             // Schedule the first post
@@ -137,39 +155,57 @@ private static async Task HandleInteractionAsync(SocketInteraction interaction)
         {
             if (interaction is SocketSlashCommand command)
             {
+                // Check if the command is "/send"
                 if (command.Data.Name == "send")
                 {
-                    await HandleSendCommandAsync(command);
+                    await HandleSendCommandAsync(command.Channel);
+                }
+            }
+        }
+
+        private static async Task HandleMessageReceivedAsync(SocketMessage message)
+        {
+            // Ensure the message is from a user and not a bot
+            if (message.Author.IsBot)
+                return;
+
+            // Check if the message is from the specific user in the specific channel
+            if (message.Author.Id == _specificUserId && message.Channel.Id == _specificChannelId)
+            {
+                // Check if the message content matches the trigger (e.g., "/send" command)
+                if (message.Content.Equals("/send", StringComparison.OrdinalIgnoreCase))
+                {
+                    await HandleSendCommandAsync(message.Channel);
                 }
             }
         }
 
-        private static async Task HandleSendCommandAsync(SocketSlashCommand command)
+        private static async Task HandleSendCommandAsync(IMessageChannel channel)
         {
             if (_isImageUrlsLoaded)
             {
                 if (_imageUrls.Count > 0)
                 {
                     int index = _random.Next(_imageUrls.Count);
                     string randomUrl = _imageUrls[index];
-                    await command.RespondAsync(randomUrl);
+                    await channel.SendMessageAsync(randomUrl);
                 }
                 else
                 {
-                    await command.RespondAsync("No URLs available.");
+                    await channel.SendMessageAsync("No URLs available.");
                 }
             }
             else
             {
-                await command.RespondAsync("The bot is still loading data. Please try again later.");
+                await channel.SendMessageAsync("The bot is still loading data. Please try again later.");
             }
         }
 
         private static async Task ScheduleNextPost()
         {
             var nowUtc = DateTime.UtcNow;
             var spainTime = TimeZoneInfo.ConvertTimeFromUtc(nowUtc, _spainTimeZone);
-            
+
             // Specify that nextPostTimeSpain is unspecified in terms of kind because we will convert it to a specific time zone
             var nextPostTimeSpain = DateTime.SpecifyKind(DateTime.Today.Add(_postTimeSpain), DateTimeKind.Unspecified);