Add project files.

.editorconfig

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+[*.cs]
+
+# CS0618: Type or member is obsolete
+dotnet_diagnostic.CS0618.severity = none

Program.cs

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+using System.Data.SqlClient;
+using System.Net;
+using System.Text;
+internal class Program
+{
+    private static void Main(string[] args)
+    {
+        while (true)
+        {
+            string? gotifyUrl = null;
+            string? appToken_furnace250_l2 = null;
+            string? proxyUrl = null;
+            string? proxyUsername = null;
+            string? proxyPassword = null;
+            var config = File.ReadAllLines("config.txt");
+
+            foreach (var line in config)
+            {
+                if (line.StartsWith("gotify_url="))
+                    gotifyUrl = line.Substring("gotify_url=".Length);
+                else if (line.StartsWith("app_token_furnace250_l2="))
+                    appToken_furnace250_l2 = line.Substring("app_token_furnace250_l2=".Length);
+                else if (line.StartsWith("proxy_url="))
+                    proxyUrl = line.Substring("proxy_url=".Length);
+                else if (line.StartsWith("proxy_username="))
+                    proxyUsername = line.Substring("proxy_username=".Length);
+                else if (line.StartsWith("proxy_password="))
+                    proxyPassword = line.Substring("proxy_password=".Length);
+            }
+
+            if (gotifyUrl == null || appToken_furnace250_l2 == null || proxyUrl == null || proxyUsername == null || proxyPassword == null)
+            {
+                Console.WriteLine("Ошибка: не все параметры указаны в config.txt");
+                Log("Ошибка: не все параметры указаны в config.txt");
+
+            }
+            else
+                CheckStatusAsync(gotifyUrl, appToken_furnace250_l2, proxyUrl, proxyUsername, proxyPassword);
+
+            Thread.Sleep(10000);
+        }
+    }
+
+    private static async void CheckStatusAsync(string url, string token, string proxyUrl, string proxyUsername, string proxyPassword)
+    {
+        var result = CheckFurnace250Async().Result;
+        if (!result.status)
+        {
+            var notification = new
+            {
+                title = "Статус ПШП ст.250",
+                message = result.msg,
+                priority = 5
+            };
+            await SendNotify(url, token, notification, proxyUrl, proxyUsername, proxyPassword);
+        }
+        Thread.Sleep(10000);
+
+    }
+
+    private static async Task<(bool status, string msg)> CheckFurnace250Async()
+    {
+        int cntEmptyPOID = 0;
+        DateTime lastDT = DateTime.Now;
+        try
+        {
+            string sqlConn = @"Password=WonderUser;User ID=WonderUser;Initial Catalog=Furnace_l2;Data Source=10.14.18.38\IZHSTALSQLSRVER;TrustServerCertificate=true;Encrypt=true;";
+            using (var conn = new SqlConnection(sqlConn))
+            {
+                await conn.OpenAsync();
+                string sqlQuery = @"SELECT COUNT(PO_ID) cnt_empty_poid, (SELECT top(1)
+                                        CHARGING_TIME
+                                    FROM [Furnace_l2].[dbo].[HIST_PIECES]
+                                    where [IS_DISCHARGED] ='N' and
+                                        datediff(day,CHARGING_TIME, Getdate()) < 1 AND
+                                        RTRIM(LTRIM(PO_ID)) != ''
+                                    order by CHARGING_TIME desc) last_dt
+                                FROM [Furnace_l2].[dbo].[HIST_PIECES]
+                                where [IS_DISCHARGED] ='N' and
+                                    datediff(day,CHARGING_TIME, Getdate()) < 1 AND
+                                    RTRIM(LTRIM(PO_ID)) = '';";
+                using (var command = new SqlCommand(sqlQuery, conn))
+                using (var dbReader = await command.ExecuteReaderAsync())
+                {
+                    while (await dbReader.ReadAsync())
+                    {
+                        cntEmptyPOID = Convert.ToInt32(dbReader.GetValue(0));
+                        lastDT = Convert.ToDateTime(dbReader.GetValue(1));
+                    }
+                }
+            }
+        }
+        catch
+        {
+            return (false, "Ошибка подключения к БД!");
+        }
+
+        if (cntEmptyPOID > 15 && DateTime.Now - lastDT > new TimeSpan(0, 5, 0))
+        {
+            return (false, "Проблема с привязкой заготовок в ПШП.");
+        }
+
+        return (true, "OK");
+    }
+
+    private static async Task SendNotify(string url, string token, object notification, string proxyUrl, string proxyUsername, string proxyPassword)
+    {
+        var proxy = new WebProxy(new Uri(proxyUrl))
+        {
+            Credentials = new NetworkCredential(proxyUsername, proxyPassword, "MECHEL")
+        };
+
+        var handler = new HttpClientHandler()
+        {
+            Proxy = proxy,
+            UseProxy = true,
+            PreAuthenticate = true,
+            UseDefaultCredentials = false
+        };
+
+        using (var client = new HttpClient(handler))
+        {
+            client.DefaultRequestHeaders.Add("X-Gotify-Key", token);
+
+            string json = Newtonsoft.Json.JsonConvert.SerializeObject(notification);
+            var content = new StringContent(json, Encoding.UTF8, "application/json");
+
+            try
+            {
+                HttpResponseMessage response = await client.PostAsync(url, content);
+
+                if (response.IsSuccessStatusCode)
+                {
+                    Console.WriteLine($"{DateTime.Now} - Отправлено сообщение.");
+                    Log($"{DateTime.Now} - Отправлено сообщение.");
+                }
+                else
+                {
+                    Console.WriteLine($"Ошибка: {response.StatusCode} - {await response.Content.ReadAsStringAsync()}");
+                    Log($"Ошибка: {response.StatusCode} - {await response.Content.ReadAsStringAsync()}");
+                }
+            }
+            catch (HttpRequestException ex)
+            {
+                Console.WriteLine($"Ошибка подключения: {ex.Message}");
+                Log($"Ошибка подключения: {ex.Message}");
+                if (ex.InnerException != null)
+                {
+                    Console.WriteLine($"Детали: {ex.InnerException.Message}");
+                    Log($"Детали: {ex.InnerException.Message}");
+                }
+            }
+        }
+    }
+
+    private static void Log(string str)
+    {
+        string outdir = Environment.CurrentDirectory + @"\logs\";
+        if (!Directory.Exists(outdir)) Directory.CreateDirectory(outdir);
+        string filename = $"{DateTime.Now.Day}_{DateTime.Now.Month}_{DateTime.Now.Year}_SendNotify";
+
+        foreach (FileInfo file in new DirectoryInfo(outdir).GetFiles())
+        {
+            if (Convert.ToDateTime(file.LastWriteTime) < DateTime.Now.AddDays(-30))
+                file.Delete();
+        }
+
+        using (FileStream aFile = new FileStream($@"{outdir}\{filename}.log", FileMode.Append, FileAccess.Write))
+        using (StreamWriter sw = new StreamWriter(aFile))
+        {
+            sw.WriteLine(DateTime.Now + " - " + str);
+        }
+    }
+}

SendNotify.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
+    <DebugType>embedded</DebugType>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
+    <DebugType>embedded</DebugType>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="System.Data.SqlClient" Version="4.9.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="config.txt">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>

SendNotify.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.13.35818.85 d17.13
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SendNotify", "SendNotify.csproj", "{2F5A67A3-67F9-4DC4-B502-C2B3EF8C4305}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{2F5A67A3-67F9-4DC4-B502-C2B3EF8C4305}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2F5A67A3-67F9-4DC4-B502-C2B3EF8C4305}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2F5A67A3-67F9-4DC4-B502-C2B3EF8C4305}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2F5A67A3-67F9-4DC4-B502-C2B3EF8C4305}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {9452A08A-D5DB-4B32-B452-B5DF2924CB6C}
+	EndGlobalSection
+EndGlobal

config.txt

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+gotify_url=https://gtf.mysrvhateapple.duckdns.org/message
+app_token_furnace250_l2=A6i4cMWOMSikvsR
+proxy_url=http://10.14.0.14:3128
+proxy_username=KhasanovAM
+proxy_password=Prokatka49!