ok

docker-compose.yaml

@@ -4,6 +4,8 @@ services:
     build: ./
     container_name: rgdev
     restart: always
+    volumes:
+      - "./sent.json:/app/sent.json" 
     environment:
       - TZ=Europe/Moscow
     logging:

sent.json

@@ -0,0 +1,32 @@
+[
+  622,
+  621,
+  620,
+  619,
+  617,
+  616,
+  618,
+  615,
+  614,
+  613,
+  612,
+  611,
+  609,
+  608,
+  607,
+  605,
+  604,
+  603,
+  610,
+  602,
+  601,
+  600,
+  598,
+  597,
+  596,
+  595,
+  594,
+  593,
+  592,
+  591
+]

src/RgDevBot/Config/AbstractConfig.cs

@@ -0,0 +1,59 @@
+using System;
+using System.IO;
+using Newtonsoft.Json;
+using NLog;
+
+namespace RgDevBot.Config
+{
+    public abstract class AbstractConfig<T>
+    {
+        protected readonly ILogger _logger;
+        public T ConfigValues { get; set; }
+
+        private readonly object _lock = new object();
+        private readonly string _fileName;
+
+        protected AbstractConfig(ILogger logger, string fileName)
+        {
+            _logger = logger;
+            _fileName = fileName ?? "dbproducts.json";
+            ConfigValues = Load() ?? Activator.CreateInstance<T>();
+        }
+
+        protected T Load()
+        {
+            try
+            {
+                var js = File.ReadAllText(_fileName);
+                return JsonConvert.DeserializeObject<T>(js);
+            }
+            catch (Exception e1)
+            {
+                _logger.Error(e1, "Ошибка загрузки файла.");
+                Save();
+                return default;
+            }
+        }
+
+        public virtual void Save()
+        {
+            try
+            {
+                lock (_lock)
+                {
+
+                    File.WriteAllText(_fileName, 
+                        JsonConvert.SerializeObject(ConfigValues, 
+                            Formatting.Indented,
+                            new JsonSerializerSettings { DefaultValueHandling = DefaultValueHandling.Ignore }
+                        )
+                    );
+                }
+            }
+            catch (Exception e)
+            {
+                _logger.Error(e, "Ошибка сохранения файла.");
+            }
+        }
+    }
+}

src/RgDevBot/Config/SentConfig.cs

@@ -0,0 +1,12 @@
+using System.Collections.Generic;
+using NLog;
+
+namespace RgDevBot.Config
+{
+    public class SentConfig: AbstractConfig<List<int>>
+    {
+        public SentConfig(ILogger logger) : base(logger, "sent.json")
+        {
+        }
+    }
+}

src/RgDevBot/NewsParser.cs

@@ -6,6 +6,7 @@ using System.Net;
 using System.Text;
 using System.Text.Json.Serialization;
 using Newtonsoft.Json;
+using RgDevBot.Config;
 using RgDevBot.ObjectModel;
 
 namespace RgDevBot
@@ -13,11 +14,13 @@ namespace RgDevBot
     public class NewsParser
     {
         private readonly TelegramBot _bot;
+        private readonly SentConfig _config;
         private int _lastSentId = -1;
 
-        public NewsParser(TelegramBot bot)
+        public NewsParser(TelegramBot bot, SentConfig config)
         {
             _bot = bot;
+            _config = config;
         }
 
         public void Parse()
@@ -26,20 +29,30 @@ namespace RgDevBot
             var content = Get(url);
 
             var news = JsonConvert.DeserializeObject<NewsListResponse>(content);
-            var latestNews = news.results.OrderByDescending(f => f.id).FirstOrDefault();
+            var latestNews = news.results;
-
+            foreach (var post in latestNews)
-            if (latestNews != null && latestNews.id != _lastSentId)
             {
-                var text = $"{latestNews.title}:\r\nhttps://rg-dev.ru/press/news/all/{latestNews.id}/";
+                if (_config.ConfigValues.Contains(post.id))
-                Console.WriteLine(text);
+                {
-                _bot.SendMessage(text);
+                    continue;
+                }
 
-                _lastSentId = latestNews.id;
+                try
+                {
+                    var text = $"{post.title}:\r\nhttps://rg-dev.ru/press/news/all/{post.id}/";
+                    Console.WriteLine(text);
+                    _bot.SendMessage(text);
+
+                    _config.ConfigValues.Add(post.id);
+                    _config.Save();
+                }
+                catch (Exception ex)
+                {
+                    Console.WriteLine(ex);
+                }
             }
         }
 
-
-
         public string Get(string url, string contentType = "application/json")
         {
             var httpRequest = (HttpWebRequest)WebRequest.Create(url);

src/RgDevBot/Program.cs

@@ -1,5 +1,7 @@
 using System;
 using System.Threading;
+using NLog;
+using RgDevBot.Config;
 
 namespace RgDevBot
 {
@@ -7,8 +9,9 @@ namespace RgDevBot
     {
         static void Main(string[] args)
         {
+            var config = new SentConfig(LogManager.GetCurrentClassLogger());
             var bot = new TelegramBot();
-            var parser = new NewsParser(bot);
+            var parser = new NewsParser(bot, config);
             while (true)
             {
                 parser.Parse();

src/RgDevBot/RgDevBot.csproj

@@ -7,6 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="NLog" Version="4.7.7" />
     <PackageReference Include="Telegram.Bot" Version="10.4.0" />
   </ItemGroup>