Implemented logging. To complete the logging implementation I have to log the flow to the log file #16

Controllers/SongController.cs

@@ -7,6 +7,7 @@ using System.Threading.Tasks;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
 
 using Icarus.Controllers.Managers;
 using Icarus.Controllers.Utilities;
@@ -20,6 +21,7 @@ namespace Icarus.Controllers
     	public class SongController : ControllerBase
     	{
 		#region Fields
+		private readonly ILogger<SongController> _logger;
 		private IConfiguration _config;
 		private MusicStoreContext _context;
 		private SongManager _songMgr;
@@ -31,10 +33,12 @@ namespace Icarus.Controllers
 
 
 		#region Constructor
-		public SongController(IConfiguration config)
+		public SongController(IConfiguration config, ILogger<SongController> logger)
 		{
 			_config = config;
+			_logger = logger;
 			_songMgr = new SongManager(config);
+			_logger.LogInformation("Logging is working!");
 		}
 		#endregion
 
@@ -73,19 +77,24 @@ namespace Icarus.Controllers
         	[HttpPut("{id}")]
 		public IActionResult Put(int id, [FromBody] Song song)
         	{
-			// TODO: Implement updating of song metadata
 			MusicStoreContext context = HttpContext.RequestServices
 				.GetService(typeof(MusicStoreContext)) as MusicStoreContext;
+			song.Id = id;
 			Console.WriteLine("Retrieving filepath of song");
-			var songPath = context.GetSong(id).SongPath;
-			song.SongPath = songPath;
+			var oldSongRecord = context.GetSong(id);
+			song.SongPath = oldSongRecord.SongPath;
 
 			MetadataRetriever updateMetadata = new MetadataRetriever();
-			updateMetadata.UpdateMetadata(song);
+			updateMetadata.UpdateMetadata(song, oldSongRecord);
 
-			context.UpdateSong(song);
+			var updatedSong = updateMetadata.UpdatedSongRecord;
+			context.UpdateSong(updatedSong);
 
-			SongResult songResult = new SongResult();
+			SongResult songResult = new SongResult
+			{
+				Message = updateMetadata.Message,
+				SongTitle = updatedSong.Title
+			};
 
 			return Ok(songResult);
         	}

Icarus.csproj

@@ -22,10 +22,14 @@
     <PackageReference Include="MySql.Data.EntityFrameworkCore" Version="8.0.15" />
     <PackageReference Include="MySql.Data.EntityFrameworkCore.Design" Version="8.0.15" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
+    <PackageReference Include="NLog.Web.AspNetCore" Version="4.8.1" />
     <PackageReference Include="RestSharp" Version="106.6.9" />
     <PackageReference Include="SevenZip" Version="19.0.0" />
     <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="5.4.0" />
     <PackageReference Include="taglib" Version="2.1.0" />
   </ItemGroup>
+  <ItemGroup>
+    <Content Update="nlog.config" CopyToOutputDirectory="PreserveNewest" />
+  </ItemGroup>
 
 </Project>

Program.cs

@@ -3,10 +3,12 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
+
 using Microsoft.AspNetCore;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
+using NLog.Web;
 
 namespace Icarus
 {
@@ -14,12 +16,33 @@ namespace Icarus
     	{
         	public static void Main(string[] args)
         	{
+			var logger = NLog.Web.NLogBuilder.ConfigureNLog("nlog.config").GetCurrentClassLogger();
+
+			try
+			{
+				logger.Debug("init main");
             			CreateWebHostBuilder(args).Build().Run();
 			}
+			catch (Exception ex)
+			{
+				logger.Error(ex, "An error occurred");
+				throw;
+			}
+			finally
+			{
+				NLog.LogManager.Shutdown();
+			}
+        	}
 
         	public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>
             		WebHost.CreateDefaultBuilder(args)
                 	.UseStartup<Startup>()
-		.UseUrls("http://localhost:5002");
+			.UseUrls("http://localhost:5002")
+			.ConfigureLogging(logging =>
+			{
+				logging.ClearProviders();
+				logging.SetMinimumLevel(Microsoft.Extensions.Logging.LogLevel.Trace);
+			})
+			.UseNLog() ;
     }
 }

Startup.cs

@@ -18,6 +18,9 @@ using Microsoft.EntityFrameworkCore;
 using MySql.Data;
 using MySql.Data.EntityFrameworkCore.Extensions;
 using MySql.Data.MySqlClient;    
+using NLog;
+using NLog.Web;
+using NLog.Web.AspNetCore;
 
 using Icarus.Authorization;
 using Icarus.Authorization.Handlers;
@@ -83,6 +86,7 @@ namespace Icarus
 	    		services.Add(new ServiceDescriptor(typeof(MusicStoreContext), 
 						new MusicStoreContext(Configuration
 							.GetConnectionString("DefaultConnection"))));  
+
 			services.Add(new ServiceDescriptor(typeof(UserStoreContext), 
 						new UserStoreContext(Configuration
 							.GetConnectionString("DefaultConnection"))));

appsettings.json

@@ -1,7 +1,8 @@
 {
   "Logging": {
     "LogLevel": {
-      "Default": "Warning"
+      "Default": "Trace",
+      "Microsoft": "Information"
     }
   },
   "AllowedHosts": "*",

nlog.config

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd"
+      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+      autoReload="true"
+      internalLogLevel="Info"
+      internalLogFile="Icarus.txt">
+
+  <!-- enable asp.net core layout renderers -->
+  <extensions>
+    <add assembly="NLog.Web.AspNetCore"/>
+  </extensions>
+
+  <!-- the targets to write to -->
+  <targets>
+    <!-- write logs to file  -->
+    <target xsi:type="File" name="allfile" fileName="Icarus-${shortdate}.log"
+            layout="${longdate}|${event-properties:item=EventId_Id}|${uppercase:${level}}|${logger}|${message} ${exception:format=tostring}" />
+
+    <!-- another file log, only own logs. Uses some ASP.NET core renderers -->
+    <target xsi:type="File" name="ownFile-web" fileName="Icarus-${shortdate}.log"
+            layout="${longdate}|${event-properties:item=EventId_Id}|${uppercase:${level}}|${logger}|${message} ${exception:format=tostring}|url: ${aspnet-request-url}|action: ${aspnet-mvc-action}" />
+  </targets>
+
+  <!-- rules to map from logger name to target -->
+  <rules>
+    <!--All logs, including from Microsoft-->
+    <logger name="*" minlevel="Trace" writeTo="allfile" />
+
+    <!--Skip non-critical Microsoft logs and so log only own logs-->
+    <logger name="Microsoft.*" maxlevel="Info" final="true" /> <!-- BlackHole without writeTo -->
+    <logger name="*" minlevel="Trace" writeTo="ownFile-web" />
+  </rules>
+</nlog>