Add logic to check for new versions of Meadow.CLI once a day

Source/v2/Meadow.CLI/VersionChecker.cs

@@ -0,0 +1,70 @@
+using Newtonsoft.Json.Linq;
+using Serilog;
+using System.Reflection;
+
+namespace Meadow.CLI;
+
+public static class VersionChecker
+{
+    private static readonly string PackageId = "WildernessLabs.Meadow.CLI";
+    private static readonly string NugetApiUrl = $"https://api.nuget.org/v3-flatcontainer/{PackageId.ToLower()}/index.json";
+    private static readonly TimeSpan CheckFrequency = TimeSpan.FromDays(1);
+    private static readonly string LastCheckKey = "last_check_time";
+
+    public static async Task CheckForUpdates(ILogger? logger, ISettingsManager settingsManager)
+    {
+        if (DateTime.UtcNow - GetLastCheckTime(settingsManager) < CheckFrequency)
+        {
+            return;
+        }
+
+        string currentVersion = GetCurrentVersion();
+
+        using var httpClient = new HttpClient();
+
+        try
+        {
+            var response = await httpClient.GetStringAsync(NugetApiUrl);
+
+            var json = JObject.Parse(response);
+            var latestPublishedVersion = $"{json["versions"].Last()}";
+
+            if (latestPublishedVersion != null &&
+                Version.TryParse(currentVersion, out Version? currentVersionParsed) &&
+                Version.TryParse(latestPublishedVersion, out Version? latestVersionParsed) &&
+                latestVersionParsed > currentVersionParsed)
+            {
+
+                logger?.Information($"\r\nMeadow.CLI {latestVersionParsed} is avaliable - run 'dotnet tool update {PackageId} -g' to update");
+            }
+
+            SetLastCheckTime(settingsManager, DateTime.UtcNow);
+        }
+        catch (Exception ex)
+        {
+            logger?.Debug($"Error checking for updates: {ex.Message}");
+        }
+    }
+
+    private static string GetCurrentVersion()
+    {
+        return Assembly.GetEntryAssembly()?
+                           .GetCustomAttribute<AssemblyFileVersionAttribute>()?
+                           .Version ?? "2.0.0";
+    }
+
+    private static DateTime GetLastCheckTime(ISettingsManager settingsManager)
+    {
+        var lastCheckString = settingsManager.GetSetting(LastCheckKey);
+        if (DateTime.TryParse(lastCheckString, out DateTime lastCheck))
+        {
+            return lastCheck;
+        }
+        return DateTime.MinValue;
+    }
+
+    private static void SetLastCheckTime(ISettingsManager settingsManager, DateTime dateTime)
+    {
+        settingsManager.SaveSetting(LastCheckKey, dateTime.ToString("o"));
+    }
+}

Source/v2/Meadow.Cli/Commands/Current/BaseCommand.cs

@@ -66,4 +66,9 @@ public async ValueTask ExecuteAsync(IConsole console)
     {
         return GetType().GetCustomAttribute<CommandAttribute>(true)?.Name;
     }
+
+    private void CheckForCLIUpdates()
+    {
+
+    }
 }

Source/v2/Meadow.Cli/Program.cs

@@ -99,6 +99,8 @@ public static async Task<int> Main(string[] _)
             MeadowTelemetry.Current.Dispose();
         }
 
+        VersionChecker.CheckForUpdates(Log.Logger, serviceProvider.GetService<ISettingsManager>()).Wait();
+
         return returnCode;
     }