Added API endpoint to check for latest release.

Controllers/APIController.cs

@@ -113,10 +113,31 @@ namespace CarCareTracker.Controllers
         }
         [HttpGet]
         [Route("/api/version")]
-        public IActionResult ServerVersion()
+        public async Task<IActionResult> ServerVersion(bool checkForUpdate = false)
         {
-            var serverVersion = StaticHelper.VersionNumber;
-            return Json(serverVersion);
+            var viewModel = new ReleaseVersion
+            {
+                CurrentVersion = StaticHelper.VersionNumber,
+                LatestVersion = StaticHelper.VersionNumber
+            };
+            if (checkForUpdate)
+            {
+                try
+                {
+                    var httpClient = new HttpClient();
+                    httpClient.DefaultRequestHeaders.UserAgent.TryParseAdd("request");
+                    var releaseResponse = await httpClient.GetFromJsonAsync<ReleaseResponse>(StaticHelper.ReleasePath) ?? new ReleaseResponse();
+                    if (!string.IsNullOrWhiteSpace(releaseResponse.tag_name))
+                    {
+                        viewModel.LatestVersion = releaseResponse.tag_name;
+                    }
+                }
+                catch (Exception ex)
+                {
+                    return Json(OperationResponse.Failed($"Unable to retrieve latest version from GitHub API: {ex.Message}"));
+                }
+            }
+            return Json(viewModel);
         }
         [HttpGet]
         [Route("/api/vehicles")]

Helper/StaticHelper.cs

@@ -22,6 +22,7 @@ namespace CarCareTracker.Helper
         public const string DefaultAllowedFileExtensions = ".png,.jpg,.jpeg,.pdf,.xls,.xlsx,.docx";
         public const string SponsorsPath = "https://hargata.github.io/hargata/sponsors.json";
         public const string TranslationPath = "https://hargata.github.io/lubelog_translations";
+        public const string ReleasePath = "https://api.github.com/repos/hargata/lubelog/releases/latest";
         public const string TranslationDirectoryPath = $"{TranslationPath}/directory.json";
         public const string ReportNote = "Report generated by LubeLogger, a Free and Open Source Vehicle Maintenance Tracker - LubeLogger.com";
         public static string GetTitleCaseReminderUrgency(ReminderUrgency input)

Models/API/ReleaseVersion.cs

@@ -0,0 +1,18 @@
+namespace CarCareTracker.Models
+{
+    /// <summary>
+    /// For deserializing GitHub response for latest version
+    /// </summary>
+    public class ReleaseResponse
+    {
+        public string tag_name { get; set; }
+    }
+    /// <summary>
+    /// For returning the version numbers via API.
+    /// </summary>
+    public class ReleaseVersion
+    {
+        public string CurrentVersion { get; set; }
+        public string LatestVersion { get; set; }
+    }
+}

Views/API/Index.cshtml

@@ -40,6 +40,20 @@
         No Params
     </div>
 </div>
+<div class="row api-method">
+    <div class="col-1">
+        <span class="badge bg-success">GET</span>
+    </div>
+    <div class="col-5 copyable testable">
+        <code>/api/version</code>
+    </div>
+    <div class="col-3">
+        Returns current version of LubeLogger and checks for updates
+    </div>
+    <div class="col-3">
+        CheckForUpdate(bool) - checks for update(optional)
+    </div>
+</div>
 <div class="row api-method">
     <div class="col-1">
         <span class="badge bg-success">GET</span>