Added DB backup command

Added automated backup every 1 hour

Program.cs

@@ -72,10 +72,21 @@ public class MastodonBot
             {
                 await HandleStartMessage.HandleStartMessageAsync(message,bot, db, logger);
             }
+            else if (message.Text == "/backup")
+            {
+                await HandleDbBackup.HandleDbBackupAsync(bot, logger, config.DB_NAME, config.ADMIN_NUMID, db);
+            }
+            else
+            {
+                // Send a help message to prompt user to send /start and recieve their cat photo
+                await bot.SendTextMessageAsync(message.Chat.Id, "Send /start to get a random cat!");
+            }
         }
 
         // Set a timer to fetch and process posts every 15 minutes
         _timer = new Timer(async _ => await RunCheck.runAsync(db, bot, config.TAG, logger, config.INSTANCE), null, TimeSpan.Zero, TimeSpan.FromMinutes(15));
+        // Another timer to automatically backup the DB every 1 hour
+        _timer = new Timer(async _ => await HandleDbBackup.HandleDbBackupAsync(bot, logger, config.DB_NAME, config.ADMIN_NUMID, db), null, TimeSpan.Zero, TimeSpan.FromHours(1));
         Console.ReadLine();
     }
 

Services/HandleDbBackup.cs

@@ -0,0 +1,24 @@
+using JsonFlatFileDataStore;
+using Microsoft.Extensions.Logging;
+using mstdnCats.Models;
+using Telegram.Bot;
+using Telegram.Bot.Types;
+using Telegram.Bot.Types.Enums;
+
+namespace mstdnCats.Services;
+
+public class HandleDbBackup
+{
+    public static async Task HandleDbBackupAsync(TelegramBotClient _bot, ILogger<MastodonBot>? logger, string dbname, string adminId,IDocumentCollection<Post> _db)
+    {
+        logger?.LogInformation("Backup requested");
+        
+        await using Stream stream = System.IO.File.OpenRead("./" + dbname);
+        var message = await _bot.SendDocumentAsync(adminId, document: InputFile.FromStream(stream, dbname+".json"),
+            caption: "Backup of " + dbname + "\nCreated at " + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss" + "\nCurrent post count: " + _db.AsQueryable().Count()), parseMode: ParseMode.Html);
+
+        logger?.LogInformation("Backup sent");
+
+
+    }
+}