src/MayShow.Shared/Interfaces/IUpdateRecentlyUsed.cs

@@ -0,0 +1,8 @@
+using MayShow.Models;
+
+namespace MayShow.Interfaces;
+
+interface IUpdateRecentlyUsed
+{
+    void UpdateRecentlyUsed(PDFReport report);
+}

src/MayShow.Shared/ViewModels/CreatePDFReportViewModel.cs

@@ -64,6 +64,8 @@ class CreatePDFReportViewModel : BaseViewModel, ICanCheckShutdown, ILogger
         _isPerformingInitialLoad = true;
         _pdfReport = new PDFReport(reportInfo);
         // todo: load/interact with StartNewChooseReportViewModel settings object properly!
+        // ...which basically means when something is saved make sure to update the recently used stuff.
+        //      which i think we can just do through a simple interface and call it a day.
         // always default to using BaseFolder, which will always be set in the general case
         if (!string.IsNullOrWhiteSpace(_pdfReport.BaseFolder))
         {
@@ -86,6 +88,8 @@ class CreatePDFReportViewModel : BaseViewModel, ICanCheckShutdown, ILogger
         _isPerformingInitialLoad = false;
     }
 
+    public IUpdateRecentlyUsed? UpdateRecentlyUsed { get; set; }
+
     public PDFReport PDFReport
     {
         get => _pdfReport;
@@ -591,6 +595,7 @@ class CreatePDFReportViewModel : BaseViewModel, ICanCheckShutdown, ILogger
         await File.WriteAllTextAsync(savePath, json);
         LogInfo("Saved report information to {0}", savePath);
         HasUnsavedWork = false;
+        UpdateRecentlyUsed?.UpdateRecentlyUsed(report);
     }
 
     // called from UI button

src/MayShow.Shared/ViewModels/StartNewChooseReportViewModel.cs

@@ -14,7 +14,7 @@ using Avalonia.Platform.Storage;
 
 namespace MayShow.ViewModels;
 
-class StartNewChooseReportViewModel : BaseViewModel, ICanCheckShutdown
+class StartNewChooseReportViewModel : BaseViewModel, ICanCheckShutdown, IUpdateRecentlyUsed
 {
     private string _creatingReportTitle;
     private ObservableCollection<PDFReportInfo> _savedReports;
@@ -58,12 +58,11 @@ class StartNewChooseReportViewModel : BaseViewModel, ICanCheckShutdown
             UUID = Utilities.GetUniqueReportGuid(_settings).ToString()
         };
         reportInfo.BaseFolder = Path.Combine(Utilities.GetInternalDataPath(), reportInfo.UUID); // default to internal directory
-        // ... this sort and save is slow, technically, but we're not going to have millions of items here, so...
-        // TODO: save automatically only if mobile; desktop only saves on command
-        // SavedReports = new ObservableCollection<PDFReportInfo>(_settings.AllReportInfo.OrderBy(x => x.Title));
-        // await _settings.SaveSettingsAsync();
         // now update UI
-        ViewModelChanger.PushViewModel(new CreatePDFReportViewModel(reportInfo, ViewModelChanger));
+        ViewModelChanger.PushViewModel(new CreatePDFReportViewModel(reportInfo, ViewModelChanger)
+        {
+            UpdateRecentlyUsed = this
+        });
         CreatingReportTitle = ""; // when user comes back they can start another new report
     }
 
@@ -89,7 +88,10 @@ class StartNewChooseReportViewModel : BaseViewModel, ICanCheckShutdown
                     UUID = Utilities.GetUniqueReportGuid(_settings).ToString(),
                     BaseFolder = folder.Path.LocalPath
                 };
-                ViewModelChanger.PushViewModel(new CreatePDFReportViewModel(reportInfo, ViewModelChanger));
+                ViewModelChanger.PushViewModel(new CreatePDFReportViewModel(reportInfo, ViewModelChanger)
+                {
+                    UpdateRecentlyUsed = this
+                });
             }
         }
     }
@@ -128,4 +130,27 @@ class StartNewChooseReportViewModel : BaseViewModel, ICanCheckShutdown
     {
         return true;
     }
+
+    public async void UpdateRecentlyUsed(PDFReport report)
+    {
+        var didFind = false;
+        foreach (var existing in _settings.AllReportInfo)
+        {
+            if (existing.UUID == report.UUID)
+            {
+                didFind = true;
+                // update info on existing object
+                existing.LastSaved = report.LastSaved;
+                existing.Title = report.Title;
+                existing.BaseFolder = report.BaseFolder;
+            }
+        }
+        if (!didFind)
+        {
+            _settings.AllReportInfo.Add(report);
+        }
+        // ... this sort and save is slow, technically, but we're not going to have millions of items here, so...
+        SavedReports = new ObservableCollection<PDFReportInfo>(_settings.AllReportInfo.OrderBy(x => x.Title));
+        await _settings.SaveSettingsAsync();
+    }
 }