Added configuration to appsettings

Author: MXFC

LongRunningConsole/AppConfig.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Text;
+
+namespace LongRunningConsole
+{
+    public class AppConfig
+    {
+        public string ApplicationName { get; set; }
+
+        public Collection<ServiceConfig> Services { get; set; }
+    }
+}

LongRunningConsole/LongRunningConsole.csproj

@@ -18,4 +18,10 @@
     <PackageReference Include="WindowsAzure.Storage" Version="7.2.1" />
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="appsettings.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
 </Project>

LongRunningConsole/Program.cs

@@ -47,30 +47,21 @@ public static async Task Main(string[] args)
                         {
                             services.AddOptions();
                             services.AddLogging();
+                            services.Configure<AppConfig>(hostContext.Configuration.GetSection("AppConfig"));
                             services.AddHostedService<MyService>();
                             // services.AddHostedService<FileUploadService>();
                             /* Add other services here as needed */
                         })
                 .ConfigureLogging(
-                    (hostContext, services) =>
-                        {
-                            services.AddConsole();
+                    (hostContext, logging) =>
+                    {
+                        logging.AddConfiguration(hostContext.Configuration.GetSection("Logging"));
+                            logging.AddConsole();
                         })
                 .RunConsoleAsync();
 
             watch.Stop();
-            Print($"\n\nPress any key to exit. Elapsed: {watch.Elapsed}");
-        }
-
-        /// <summary>
-        /// The print.
-        /// </summary>
-        /// <param name="message">
-        /// The message.
-        /// </param>
-        private static void Print(string message)
-        {
-            Console.WriteLine(message);
+            Console.WriteLine($"\n\nPress any key to exit. Elapsed: {watch.Elapsed}");
         }
     }
 }

LongRunningConsole/ServiceConfig.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace LongRunningConsole
+{
+    public class ServiceConfig
+    {
+        public string ServiceName { get; set; }
+        public int Frequency { get; set; }
+    }
+}

LongRunningConsole/Services/FileUploadService.cs

@@ -1,10 +1,12 @@
 using System;
 using System.IO;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using LongRunningConsole.Library;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
 using OfficeOpenXml;
 
 namespace LongRunningConsole.Services
@@ -31,19 +33,31 @@ public class FileUploadService : IHostedService, IDisposable
         /// The _timer.
         /// </summary>
         private Timer _timer;
-        
+
+        private readonly IOptions<AppConfig> _appConfig;
+
+        private readonly ServiceConfig serviceConfig;
+
         /// <inheritdoc />
-        public FileUploadService(ILogger<FileUploadService> logger)
+        public FileUploadService(ILogger<FileUploadService> logger, IOptions<AppConfig> appConfig)
         {
-            this._logger = logger ?? throw new ArgumentNullException(nameof(logger));
             this._logger.LogTrace("FileUploadService object has been instantiated.");
+            this._logger = logger ?? throw new ArgumentNullException(nameof(logger));
+            this._appConfig = appConfig ?? throw new ArgumentNullException(nameof(appConfig));
+            
+            serviceConfig = this._appConfig.Value.Services.OfType<ServiceConfig>().FirstOrDefault(s => s.ServiceName.Equals(nameof(FileUploadService)));
+
+            if (serviceConfig is null)
+            {
+                throw new ApplicationException($"{nameof(serviceConfig)} cannot be null.");
+            }
         }
 
         /// <inheritdoc />
         public Task StartAsync(CancellationToken cancellationToken)
         {
             Console.WriteLine($"[{DateTime.Now}] {nameof(FileUploadService)} background Service is starting.");
-            this._timer = new Timer(this.LoadFile, null, TimeSpan.Zero, TimeSpan.FromSeconds(60));
+            this._timer = new Timer(this.LoadFile, null, TimeSpan.Zero, TimeSpan.FromSeconds(serviceConfig.Frequency));
             return Task.CompletedTask;
         }
 

LongRunningConsole/Services/MyService.cs

@@ -1,8 +1,10 @@
 using System;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
 
 namespace LongRunningConsole.Services
 {
@@ -21,15 +23,26 @@ public class MyService : IHostedService, IDisposable
         /// </summary>
         private Timer timer;
 
+        private readonly IOptions<AppConfig> _appConfig;
+
+        private readonly ServiceConfig serviceConfig;
+
         /// <summary>
         /// Initializes a new instance of the <see cref="MyService"/> class.
         /// </summary>
         /// <param name="logger">
         /// The logger.
         /// </param>
-        public MyService(ILogger<MyService> logger)
+        public MyService(ILogger<MyService> logger, IOptions<AppConfig> appConfig)
         {
             this.logger = logger?? throw new ArgumentNullException(nameof(logger));
+            this._appConfig = appConfig ?? throw new ArgumentNullException(nameof(appConfig));
+
+            serviceConfig = this._appConfig.Value.Services.OfType<ServiceConfig>().FirstOrDefault(s => s.ServiceName.Equals(nameof(MyService)));
+
+            if (serviceConfig is null) {
+                throw new ApplicationException($"{nameof(serviceConfig)} cannot be null.");
+            }
         }
 
         /// <summary>
@@ -44,7 +57,7 @@ public MyService(ILogger<MyService> logger)
         public Task StartAsync(CancellationToken cancellationToken)
         {
             Console.WriteLine($"[{DateTime.Now}] {nameof(MyService)} background Service is starting.");
-            this.timer = new Timer(this.DoWork, null, TimeSpan.Zero, TimeSpan.FromSeconds(5));
+            this.timer = new Timer(this.DoWork, null, TimeSpan.Zero, TimeSpan.FromSeconds(serviceConfig.Frequency));
             return Task.CompletedTask;
         }
 

LongRunningConsole/appsettings.json

@@ -1,3 +1,14 @@
 {
-
-}
+  "Logging": {
+    "LogLevel": {
+      "Default": "Trace"
+    }
+  },
+  "AppConfig": {
+    "ApplicationName": "Long-running console app",
+    "Services": [
+      { "ServiceName": "MyService", "Frequency": 10 },
+      { "ServiceName": "FileUploadService", "Frequency": 5}
+    ]
+  }
+}