Continue working on main menu screen and refactor

New method for storing information on report data; rework and migrate settings to version 2; Add new options to ConfirmViewModel; rework some class hierarchy (may change more later)

src/MayShow.Shared/App.axaml.cs

@@ -39,7 +39,7 @@ public partial class App : Application, ITopLevelGrabber
 
     public TopLevel GetTopLevel()
     {
-        return _topLevel;
+        return _topLevel!;
     }
 
     public void AboutOnClick(object? sender, EventArgs args)

src/MayShow.Shared/Models/PDFReport.cs

@@ -9,47 +9,23 @@ using MayShow.Helpers;
 
 namespace MayShow.Models;
 
-class PDFReport : ChangeNotifier
+class PDFReport : PDFReportInfo
 {
-    private string _baseFolder;
-    private string _title;
     private List<ReportFile> _files;
-    private DateTime _lastSaved;
     private DateTime? _lastGenerated;
 
-    public PDFReport()
+    public PDFReport() : base()
     {
-        _baseFolder = "";
-        _title = "";
         _files = [];
-        _lastSaved = DateTime.Now;
         _lastGenerated = null;
     }
 
-    public string BaseFolder
-    {
-        get => _baseFolder;
-        set { _baseFolder = value; NotifyPropertyChanged(); }
-    }
-
-    public string Title
-    {
-        get => _title;
-        set { _title = value; NotifyPropertyChanged(); }
-    }
-
     public List<ReportFile> Files
     {
         get => _files;
         set { _files = value; NotifyPropertyChanged(); }
     }
 
-    public DateTime LastSaved
-    {
-        get => _lastSaved;
-        set { _lastSaved = value; NotifyPropertyChanged(); }
-    }
-
     public DateTime? LastGenerated
     {
         get => _lastGenerated;

src/MayShow.Shared/Models/PDFReportInfo.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.Threading.Tasks;
+using MayShow.Helpers;
+using MayShows.Helpers;
+
+namespace MayShow.Models;
+
+class PDFReportInfo : ChangeNotifier
+{
+    private string? _baseFolder; // might be null
+    private string _uuid;
+    private string _title;
+    private DateTime? _lastSaved;
+
+    public PDFReportInfo() : base()
+    {
+        _baseFolder = null;
+        _uuid = Guid.NewGuid().ToString();
+        _title = "";
+        _lastSaved = null;
+    }
+
+    public string? BaseFolder
+    {
+        get => _baseFolder;
+        set { _baseFolder = value; NotifyPropertyChanged(); }
+    }
+
+    public string UUID
+    {
+        get => _uuid;
+        set { _uuid = value; NotifyPropertyChanged(); }
+    }
+
+    public string Title
+    {
+        get => _title;
+        set { _title = value; NotifyPropertyChanged(); }
+    }
+
+    public DateTime? LastSaved
+    {
+        get => _lastSaved;
+        set { _lastSaved = value; NotifyPropertyChanged(); }
+    }
+
+    public void ResetUUID()
+    {
+        UUID = Guid.NewGuid().ToString();
+    }
+    
+    public void DeleteInternalFolderFromDisk()
+    {
+        var path = Path.Combine(Utilities.GetInternalDataPath(), UUID);
+        if (Directory.Exists(path) && path != Utilities.GetInternalDataPath())
+        {
+            Directory.Delete(path, true);
+        }
+    }
+}

src/MayShow.Shared/Models/Settings.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
@@ -18,10 +19,11 @@ class Settings : ChangeNotifier
     private string _outputPdfDir;
     private decimal _imageResizeThreshold;
     private bool _saveReportJsonDataInInternalDir;
-    private Dictionary<string, string> _workingFolderToInternalFolderName;
+    private Dictionary<string, string> _workingFolderToInternalFolderName; // obsolete
+    private List<PDFReportInfo> _allReportInfo;
     public int _settingsVersion;
 
-    public Settings()
+    public Settings() : base()
     {
         _lastUsedPath = "";
         _useDocnetPDFImageRendering = true;
@@ -30,7 +32,8 @@ class Settings : ChangeNotifier
         _imageResizeThreshold = 1.5m;
         _saveReportJsonDataInInternalDir = false;
         _workingFolderToInternalFolderName = [];
-        _settingsVersion = 1;
+        _allReportInfo = [];
+        _settingsVersion = 2;
     }
 
     public Settings(Settings other)
@@ -43,6 +46,7 @@ class Settings : ChangeNotifier
         _saveReportJsonDataInInternalDir = other.SaveReportJsonDataInInternalDir;
         _workingFolderToInternalFolderName = other.WorkingFolderToInternalFolderName;
         _settingsVersion = other.SettingsVersion;
+        _allReportInfo = other.AllReportInfo;
     }
 
     [JsonInclude]
@@ -95,6 +99,13 @@ class Settings : ChangeNotifier
         set { _workingFolderToInternalFolderName = value; NotifyPropertyChanged(); }
     }
 
+    [JsonInclude]
+    public List<PDFReportInfo> AllReportInfo
+    {
+        get => _allReportInfo;
+        set { _allReportInfo = value; NotifyPropertyChanged(); }
+    }
+
     [JsonInclude]
     public int SettingsVersion
     {
@@ -135,6 +146,39 @@ class Settings : ChangeNotifier
         return json;
     }
 
+    private static Settings UpgradeSettings(Settings settings)
+    {
+        if (settings.SettingsVersion == 1)
+        {
+            // update settings
+            var internalPath = Utilities.GetInternalDataPath();
+            var list = new List<PDFReportInfo>();
+            foreach (var data in settings.WorkingFolderToInternalFolderName)
+            {
+                var uuid = data.Value;
+                var path = Path.Combine(internalPath, uuid, Constants.ReportSavedDataFileName);
+                var json = File.ReadAllText(path);
+                var jsonContext = new SourceGenerationContext(Utilities.GetSerializerOptions());
+                var report = File.Exists(path) ? JsonSerializer.Deserialize(json, jsonContext.PDFReport) : null;
+                var reportTitle = report?.Title ?? "";
+                var lastSaved = report?.LastSaved;
+                var reportInfo = new PDFReportInfo()
+                {
+                    Title = reportTitle,
+                    UUID = uuid,
+                    LastSaved = lastSaved,
+                    BaseFolder = data.Key,
+                };
+                list.Add(reportInfo);
+            }
+            settings.AllReportInfo = list.OrderBy(x => x.Title).ToList();
+            settings.WorkingFolderToInternalFolderName = []; // clear this list; it is no longer used
+            settings.SettingsVersion = 2;
+            // TODO: finish using new array for everything, make sure we save data, etc.
+        }
+        return settings;
+    }
+
     public static Settings LoadSettings()
     {
         var path = GetSettingsPath();
@@ -144,7 +188,7 @@ class Settings : ChangeNotifier
         }
         var json = File.ReadAllText(GetSettingsPath());
         var jsonContext = new SourceGenerationContext(Utilities.GetSerializerOptions());
-        return JsonSerializer.Deserialize<Settings>(json, jsonContext.Settings) ?? new Settings();
+        return UpgradeSettings(JsonSerializer.Deserialize<Settings>(json, jsonContext.Settings) ?? new Settings());
     }
 
     public static async Task<Settings> LoadSettingsAsync()
@@ -152,6 +196,6 @@ class Settings : ChangeNotifier
         using FileStream fileStream = File.OpenRead(GetSettingsPath());
         var jsonContext = new SourceGenerationContext(Utilities.GetSerializerOptions());
         var output = await JsonSerializer.DeserializeAsync<Settings>(fileStream, jsonContext.Settings) ?? new Settings();
-        return output;
+        return UpgradeSettings(output);
     }
 }

src/MayShow.Shared/ViewModels/ConfirmViewModel.cs

@@ -5,12 +5,14 @@ using MayShow.Helpers;
 
 namespace MayShow.ViewModels;
 
-class ConfirmViewModel
+class ConfirmViewModel : ChangeNotifier
 {
     private string _title;
     private string _message;
     private string _confirmTitle;
     private string _declineTitle;
+    private bool _confirmButtonUsesDangerStyle;
+    private string _confirmButtonIcon;
 
     public ConfirmViewModel(string title, string message, string confirmTitle = "Yes", string declineTitle = "No")
     {
@@ -18,6 +20,8 @@ class ConfirmViewModel
         _message = message;
         _confirmTitle = confirmTitle;
         _declineTitle = declineTitle;
+        _confirmButtonUsesDangerStyle = false;
+        _confirmButtonIcon = "";
     }
 
     public string Title
@@ -40,6 +44,35 @@ class ConfirmViewModel
         get => _declineTitle;
     }
 
+    public bool ConfirmButtonIsAccent
+    {
+        get => !_confirmButtonUsesDangerStyle;
+    }
+
+    public bool ConfirmButtonIsDanger
+    {
+        get => _confirmButtonUsesDangerStyle;
+    }
+
+    public bool ConfirmButtonUsesDangerStyle
+    {
+        set
+        {
+            _confirmButtonUsesDangerStyle = value;
+            NotifyPropertyChanged(nameof(ConfirmButtonIsAccent));
+            NotifyPropertyChanged(nameof(ConfirmButtonIsDanger));
+        }
+    }
+
+    public string ConfirmTitleIcon
+    {
+        get => _confirmButtonIcon;
+        set
+        {
+            _confirmButtonIcon = value; NotifyPropertyChanged();            
+        }
+    }
+
     public void Confirm()
     {
         DialogHost.Close("DialogHost", true);

src/MayShow.Shared/ViewModels/CreatePDFReportViewModel.cs

@@ -253,13 +253,13 @@ class CreatePDFReportViewModel : BaseViewModel, IFontResolver, ICanCheckShutdown
                 // load prior report
                 var json = File.ReadAllText(reportFilePath);
                 var jsonContext = new SourceGenerationContext(Utilities.GetSerializerOptions());
-                var report = JsonSerializer.Deserialize<PDFReport>(json, jsonContext.PDFReport);
+                var report = JsonSerializer.Deserialize(json, jsonContext.PDFReport);
                 if (report != null && report.Files.Count > 0)
                 {
                     Console.WriteLine("Loading prior report data at {0}", reportFilePath);
                     ReportFiles = new ObservableCollection<ReportFile>(report.Files);
                     ReportTitle = report.Title;
-                    WorkingFolder = report.BaseFolder;
+                    WorkingFolder = report.BaseFolder ?? "";
                     _lastGeneratedTime = report.LastGenerated ?? null;
                     LogInfo("Reloaded report last saved at {0}", report.LastSaved);
                     successfullyLoadedPriorReport = true;

src/MayShow.Shared/ViewModels/StartNewChooseReportViewModel.cs

@@ -1,43 +1,30 @@
 #nullable enable
 
-using System;
 using System.Collections.ObjectModel;
-using System.Globalization;
 using System.IO;
 using System.Linq;
-using System.Threading.Tasks;
-using Avalonia.Platform.Storage;
-using Avalonia.Themes.Fluent;
 using DialogHostAvalonia;
-using ImageMagick;
-using MigraDoc.DocumentObjectModel;
-using MigraDoc.Rendering;
-using PdfSharp.Fonts;
-using PdfSharp.Pdf.IO;
-using PdfSharp.Snippets.Font;
 using MayShow.Interfaces;
 using MayShow.Models;
 using MayShow.Helpers;
+using MayShows.Helpers;
 
 namespace MayShow.ViewModels;
 
 class StartNewChooseReportViewModel : BaseViewModel
 {
     private string _creatingReportTitle;
-    private ObservableCollection<string> _savedReports;
+    private ObservableCollection<PDFReportInfo> _savedReports;
+    private Settings _settings;
 
     public StartNewChooseReportViewModel(IChangeViewModel viewModelChanger) : base(viewModelChanger)
     {
         _creatingReportTitle = "";
-        // TODO: load existing reports
-        _savedReports = [];
-        for (var i = 1; i <= 100; i++)
-        {
-            _savedReports.Add("Report " + i);
-        }
+        _settings = Settings.LoadSettings();
+        _savedReports = new ObservableCollection<PDFReportInfo>(_settings.AllReportInfo.OrderBy(x => x.Title));
     }
 
-    public string Version
+    public static string Version
     {
         get => Constants.AppVersion;
     }
@@ -48,30 +35,66 @@ class StartNewChooseReportViewModel : BaseViewModel
         set { _creatingReportTitle = value; NotifyPropertyChanged(); }
     }
 
-    public ObservableCollection<string> SavedReports
+    public ObservableCollection<PDFReportInfo> SavedReports
     {
         get => _savedReports;
         set { _savedReports = value; NotifyPropertyChanged(); }
     }
 
-    public void StartReport()
+    public async void StartReport()
     {
-        // TODO: make sure there is a folder and everything set up for this report
+        var reportInfo = new PDFReportInfo()
+        {
+            Title = CreatingReportTitle,
+        };
+        _settings.AllReportInfo.Add(reportInfo);
+        // ... this sort 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();
+        // create folder for report data
+        var path = Path.Combine(Utilities.GetInternalDataPath(), reportInfo.UUID);
+        while (Directory.Exists(path))
+        {
+            reportInfo.ResetUUID();
+            path = Path.Combine(Utilities.GetInternalDataPath(), reportInfo.UUID);
+        }
+        Directory.CreateDirectory(path);
+        // now update UI
         ViewModelChanger.PushViewModel(new CreatePDFReportViewModel(ViewModelChanger)
         {
             ReportTitle = CreatingReportTitle
         });
         CreatingReportTitle = ""; // when user comes back they can start another new report
-        // TODO: add to existing reports list
     }
 
-    public void LoadExistingReport()
+
+    public void LoadExistingReport(object info) => LoadExistingReportImpl((PDFReportInfo) info);
+    public void LoadExistingReportImpl(PDFReportInfo reportInfo)
     {
         // TODO: load data and send to create PDF report view model
     }
 
-    public void DeleteExistingReport()
+    public void DeleteExistingReport(object info) => DeleteExistingReportImpl((PDFReportInfo) info);
+    public async void DeleteExistingReportImpl(PDFReportInfo reportInfo)
     {
-        // TODO: warn user, delete if they want to proceed
+        var message = string.IsNullOrWhiteSpace(reportInfo.BaseFolder)
+            ? "Are you sure you want to delete this report and its associated data? It will be gone forever!"
+            : "Are you sure you want to delete information about this report? It will be gone forever!";
+        var result = await DialogHost.Show(new ConfirmViewModel(
+            "Warning!", 
+            message, 
+            "Delete Report", 
+            "Cancel")
+        {
+            ConfirmButtonUsesDangerStyle = true,
+            ConfirmTitleIcon = "\uf1f8;"
+        });
+        if (result != null && (bool)result)
+        {
+            SavedReports.Remove(reportInfo);
+            _settings.AllReportInfo.Remove(reportInfo);
+            reportInfo.DeleteInternalFolderFromDisk(); // delete internal data if available
+            await _settings.SaveSettingsAsync(); // update saved items list
+        }
     }
 }

src/MayShow.Shared/Views/ConfirmView.axaml

@@ -20,16 +20,21 @@
                    MaxWidth="350"
                    Text="{Binding Message}"/>
         <StackPanel Orientation="Horizontal"
-                    Spacing="12"
+                    Spacing="16"
                     HorizontalAlignment="Right"
                     Margin="4">
             <Button Command="{Binding Decline}"
                     Content="{Binding DeclineTitle}"
                     HorizontalAlignment="Right"/>
             <Button Command="{Binding Confirm}"
-                    Classes="accent"
-                    Content="{Binding ConfirmTitle}"
-                    HorizontalAlignment="Right"/>
+                    Classes.accent="{Binding ConfirmButtonIsAccent}"
+                    Classes.Danger="{Binding ConfirmButtonIsDanger}"
+                    HorizontalAlignment="Right">
+                <TextBlock>
+                    <Run Text="{Binding ConfirmTitleIcon}"
+                        FontFamily="{StaticResource FontAwesomeSolid}" /> <Run Text="{Binding ConfirmTitle}"/>
+                </TextBlock>
+            </Button>
         </StackPanel>
     </StackPanel>
 </UserControl>

src/MayShow.Shared/Views/StartNewChooseReport.axaml

@@ -26,7 +26,7 @@
                HorizontalAlignment="Center"
                Grid.Column="1"
                Grid.Row="1" />
-        <Label Content="Start New Project"
+        <Label Content="Start New Report"
                HorizontalAlignment="Left"
                FontSize="18"
                FontWeight="Bold"
@@ -38,7 +38,7 @@
               Margin="0,8,0,0"
               Grid.Column="1"
               Grid.Row="3">
-            <TextBox Watermark="Report Title"
+            <TextBox Watermark="Feb 2024 Report"
                      Classes="clearButton"
                      Text="{Binding CreatingReportTitle}"
                      VerticalAlignment="Stretch"
@@ -54,14 +54,14 @@
                         FontFamily="{StaticResource FontAwesomeSolid}" /> Create and Start Report</TextBlock>
             </Button>
         </Grid>
-        <Label Content="Load Existing Project"
+        <Label Content="Load Existing Report"
                FontSize="18"
                FontWeight="Bold"
                HorizontalAlignment="Left"
                Margin="0,16,0,0"
                Grid.Column="1"
                Grid.Row="4"/>
-        <ScrollViewer Margin="0,8,0,8"
+        <ScrollViewer Margin="0,8,0,32"
                       Grid.Column="1"
                       Grid.Row="5"
                       VerticalScrollBarVisibility="Visible"
@@ -69,10 +69,38 @@
                       HorizontalScrollBarVisibility="Disabled">
             <ItemsControl ItemsSource="{Binding SavedReports}">
                 <ItemsControl.ItemTemplate>
-                    <DataTemplate>
-                        <StackPanel Orientation="Horizontal">
-                            <TextBlock Text="{Binding}" />
-                            <!-- TODO: buttons to load, delete reports -->
+                    <DataTemplate x:DataType="models:PDFReportInfo">
+                        <StackPanel Orientation="Vertical"
+                                    Margin="12,4,4,8"
+                                    Spacing="4">
+                            <TextBlock Text="{Binding Title}" />
+                            <!-- <TextBlock Text="{Binding BaseFolder}" 
+                                       Foreground="Gray"
+                                       TextWrapping="Wrap" /> -->
+                            <TextBlock Foreground="Gray"
+                                       TextWrapping="Wrap">
+                                Last saved on: <Run Text="{Binding LastSaved, StringFormat='{}{0:yyyy-MM-dd}'}"/>
+                            </TextBlock>
+                            <StackPanel Orientation="Horizontal"
+                                        Spacing="8">
+                                <Button Command="{Binding $parent[UserControl].((vm:StartNewChooseReportViewModel)DataContext).LoadExistingReport}"
+                                        CommandParameter="{Binding}"
+                                        Classes="accent"
+                                        Grid.Column="1">
+                                    <TextBlock>
+                                        <Run Text="&#xf56f;"
+                                            FontFamily="{StaticResource FontAwesomeSolid}" /> Load Report</TextBlock>
+                                </Button>
+                                <Button Command="{Binding $parent[UserControl].((vm:StartNewChooseReportViewModel)DataContext).DeleteExistingReport}"
+                                        CommandParameter="{Binding}"
+                                        Classes="Danger"
+                                        Grid.Column="1">
+                                    <TextBlock>
+                                        <Run Text="&#xf1f8;"
+                                            FontFamily="{StaticResource FontAwesomeSolid}" /> Delete Report</TextBlock>
+                                </Button>
+                            </StackPanel>
+                            <Rectangle Fill="Gray" Height="2" HorizontalAlignment="Stretch" Margin="0,8,0,0"/>
                         </StackPanel>
                     </DataTemplate>
                 </ItemsControl.ItemTemplate>