99 lines
3.4 KiB
C#
99 lines
3.4 KiB
C#
using CommunityToolkit.Mvvm.ComponentModel;
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using LehrerApp.Core.Services;
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using System.Collections.ObjectModel;
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namespace LehrerApp.Desktop.ViewModels.Settings;
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public partial class CompetencyCatalogImportViewModel : ObservableObject
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{
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private readonly SettingsViewModel _settings;
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private readonly CompetencyCatalogImportPreview _preview;
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[ObservableProperty] private ImportModeOption _selectedMode;
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[ObservableProperty] private bool _replaceConfirmed;
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[ObservableProperty] private string _error = "";
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public IReadOnlyList<ImportModeOption> Modes { get; }
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public ObservableCollection<CompetencyImportConflictItem> Conflicts { get; } = [];
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public IReadOnlyList<string> Warnings => _preview.Warnings;
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public string Heading { get; }
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public string Target => $"{_preview.SubjectName} · Klassenstufe {_preview.GradeLevel}";
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public string Summary =>
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$"{_preview.NewDomains} neue Bereiche · {_preview.NewCompetencies} neue Kompetenzen · " +
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$"{_preview.UnchangedCompetencies} unverändert · {_preview.Conflicts.Count} Konflikte";
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public bool HasWarnings => Warnings.Count > 0;
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public bool HasConflicts => Conflicts.Count > 0;
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public bool IsMerge => SelectedMode.Mode == CompetencyCatalogImportMode.Merge;
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public bool IsReplace => SelectedMode.Mode == CompetencyCatalogImportMode.Replace;
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public CompetencyCatalogImportViewModel(
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SettingsViewModel settings, CompetencyCatalogImportPreview preview,
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string heading = "Import prüfen")
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{
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_settings = settings;
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_preview = preview;
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Heading = heading;
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Modes =
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[
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new(CompetencyCatalogImportMode.Merge, "Zusammenführen (empfohlen)"),
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new(CompetencyCatalogImportMode.Replace, "Vorhandenen Katalog ersetzen"),
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];
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_selectedMode = Modes[0];
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foreach (var conflict in preview.Conflicts)
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Conflicts.Add(new CompetencyImportConflictItem(conflict));
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}
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partial void OnSelectedModeChanged(ImportModeOption value)
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{
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Error = "";
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ReplaceConfirmed = false;
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OnPropertyChanged(nameof(IsMerge));
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OnPropertyChanged(nameof(IsReplace));
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}
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public bool TryApply()
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{
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Error = "";
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if (IsReplace && !ReplaceConfirmed)
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{
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Error = "Bitte bestätige das vollständige Ersetzen des vorhandenen Katalogs.";
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return false;
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}
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try
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{
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var importedConflicts = Conflicts
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.Where(x => x.UseImported)
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.Select(x => x.Id)
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.ToHashSet(StringComparer.Ordinal);
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_settings.ApplyCatalogImport(_preview, SelectedMode.Mode, importedConflicts);
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return true;
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}
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catch (InvalidOperationException ex)
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{
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Error = ex.Message;
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return false;
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}
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}
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}
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public sealed record ImportModeOption(CompetencyCatalogImportMode Mode, string Label);
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public partial class CompetencyImportConflictItem : ObservableObject
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{
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[ObservableProperty] private bool _useImported;
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public string Id { get; }
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public string Location { get; }
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public string ExistingValue { get; }
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public string ImportedValue { get; }
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public CompetencyImportConflictItem(CompetencyCatalogImportConflict conflict)
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{
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Id = conflict.Id;
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Location = conflict.Location;
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ExistingValue = conflict.ExistingValue;
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ImportedValue = conflict.ImportedValue;
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}
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}
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