220 lines
6.9 KiB
C#
220 lines
6.9 KiB
C#
using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using Jugenddienst_Stunden.Models;
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using Jugenddienst_Stunden.Types;
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using System.Windows.Input;
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namespace Jugenddienst_Stunden.ViewModels;
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/// <summary>
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/// Viewmodel für die einzelnen Stundeneinträge / Bearbeitung
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/// </summary>
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public class StundeViewModel : ObservableObject, IQueryAttributable {
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public int Id { get; set; }
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public string Title { get; set; } = "Eintrag bearbeiten";
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public string SubTitle { get; set; } = DateTime.Today.ToString("dddd, d. MMMM yyyy");
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private HoursBase HoursBase = new HoursBase();
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internal Settings Settings = new Settings();
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public event EventHandler<string> AlertEvent;
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public event EventHandler<string> InfoEvent;
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public event Func<string, string, Task<bool>> ConfirmEvent;
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/// <summary>
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/// Gemeinden für die Auswahlliste
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/// </summary>
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public List<Gemeinde> OptionsGemeinde { get; private set; }
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/// <summary>
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/// Projekte für die Auswahlliste
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/// </summary>
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public List<Projekt> OptionsProjekt { get; private set; }
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/// <summary>
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/// Freistellungen für die Auswahlliste
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/// </summary>
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public List<Freistellung> OptionsFreistellung { get; private set; }
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/// <summary>
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/// Vorhandene Zeiten anzeigen, wenn neuer Eintrag erstellt wird
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/// </summary>
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public List<DayTime> DayTimes { get; set; }
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private DayTime _dayTime;
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/// <summary>
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/// Aktueller Stundeneintrag
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/// </summary>
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public DayTime DayTime {
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get => _dayTime;
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set {
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if (_dayTime != value) {
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_dayTime = value;
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}OnPropertyChanged(nameof(DayTime));
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}
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}
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/// <summary>
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/// Dürfen Gemeinden verwendet werden?
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/// </summary>
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public bool GemeindeAktivSet { get; set; }
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/// <summary>
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/// Dürfen Projekte verwendet werden?
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/// </summary>
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public bool ProjektAktivSet { get; set; }
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public bool FreistellungEnabled { get; set; }
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public ICommand SaveCommand { get; private set; }
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public ICommand DeleteCommand { get; private set; }
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public ICommand DeleteConfirmCommand { get; private set; }
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//public ICommand LoadDataCommand { get; private set; }
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public StundeViewModel() {
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DayTime = new DayTime();
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SaveCommand = new AsyncRelayCommand(Save);
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//DeleteCommand = new AsyncRelayCommand(Delete);
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DeleteConfirmCommand = new Command(async () => await DeleteConfirm());
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LoadSettingsAsync();
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}
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public StundeViewModel(DayTime stunde) {
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DayTime = new DayTime();
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SaveCommand = new AsyncRelayCommand(Save);
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DeleteConfirmCommand = new AsyncRelayCommand(DeleteConfirm);
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LoadSettingsAsync();
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}
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private async void LoadSettingsAsync() {
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Settings = await HoursBase.LoadSettings();
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OptionsGemeinde = Settings.Gemeinden;
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OptionsProjekt = Settings.Projekte;
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OptionsFreistellung = Settings.Freistellungen;
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GemeindeAktivSet = Settings.GemeindeAktivSet;
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ProjektAktivSet = Settings.ProjektAktivSet;
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OnPropertyChanged(nameof(OptionsGemeinde));
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OnPropertyChanged(nameof(OptionsFreistellung));
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OnPropertyChanged(nameof(OptionsProjekt));
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OnPropertyChanged(nameof(GemeindeAktivSet));
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OnPropertyChanged(nameof(ProjektAktivSet));
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}
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private async Task LoadData() {
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try {
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Hours _hours = await Models.HoursBase.LoadBasicData();
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DayTime.EmployeeId = _hours.EmployeeId;
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} catch (Exception e) {
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AlertEvent?.Invoke(this, e.Message);
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}
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}
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async Task Save() {
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bool exceptionOccurred = false;
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try {
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await Models.HoursBase.SaveEntry(DayTime);
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} catch (Exception e) {
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AlertEvent?.Invoke(this, e.Message);
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exceptionOccurred = true;
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}
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if (!exceptionOccurred) {
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if (DayTime.Id != null) {
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await Shell.Current.GoToAsync($"..?saved={DayTime.Id}");
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} else {
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await Shell.Current.GoToAsync($"..?date={DayTime.Day.ToString("yyyy-MM-dd")}");
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}
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}
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}
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private async Task Delete() {
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await Models.HoursBase.DeleteEntry(DayTime);
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await Shell.Current.GoToAsync($"..?date={DayTime.Day.ToString("yyyy-MM-dd")}");
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}
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private async Task DeleteConfirm() {
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if (ConfirmEvent != null) {
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bool answer = await ConfirmEvent.Invoke("Achtung", "Löschen kann nicht ungeschehen gemacht werden. Fortfahren?");
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if (answer) {
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//Löschen
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await Models.HoursBase.DeleteEntry(DayTime);
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await Shell.Current.GoToAsync($"..?date={DayTime.Day.ToString("yyyy-MM-dd")}");
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} else { //nicht Löschen
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}
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}
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}
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/// <summary>
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/// Anwenden der Query-Parameter
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/// </summary>
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async void IQueryAttributable.ApplyQueryAttributes(IDictionary<string, object> query) {
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var probe = query;
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if (query.ContainsKey("load")) {
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//DateTime heute = DateTime.Now;
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_dayTime = await Models.HoursBase.LoadEntry(Convert.ToInt32(query["load"]));
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if (System.String.IsNullOrEmpty(DayTime.Description)) {
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AlertEvent?.Invoke(this, "Eintrag hat keine Daten zurückgegeben");
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}
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SubTitle = DayTime.Day.ToString("dddd, d. MMMM yyyy");
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_dayTime.GemeindeAktiv = OptionsGemeinde.FirstOrDefault(Gemeinde => Gemeinde.Id == DayTime.Gemeinde) ?? new Gemeinde();
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_dayTime.ProjektAktiv = OptionsProjekt.FirstOrDefault(Projekt => Projekt.Id == DayTime.Projekt) ?? new Projekt();
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_dayTime.FreistellungAktiv = OptionsFreistellung.FirstOrDefault(Freistellung => Freistellung.Id == DayTime.Free) ?? new Freistellung();
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FreistellungEnabled = !_dayTime.Approved;
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OnPropertyChanged(nameof(FreistellungEnabled));
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OnPropertyChanged(nameof(DayTime));
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OnPropertyChanged(nameof(SubTitle));
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}
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if (query.ContainsKey("date")) {
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Title = "Neuer Eintrag";
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DateTime _date = DateTime.ParseExact((string)query["date"], "yyyy-MM-dd", System.Globalization.CultureInfo.InvariantCulture);
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//Bei neuem Eintrag die vorhandenen des gleichen Tages anzeigen
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try {
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DayTimes = await HoursBase.LoadDay(_date);
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} catch (Exception) {
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//Ein Tag ohne Einträge gibt eine Fehlermeldung,
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//die soll aber ignoriert werden, weil beim Neueintrag ist das ja Wurscht
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}
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DayTime.Day = _date;
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SubTitle = _date.ToString("dddd, d. MMMM yyyy");
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_ = LoadData();
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OnPropertyChanged(nameof(Title));
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OnPropertyChanged(nameof(SubTitle));
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OnPropertyChanged(nameof(DayTimes));
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}
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}
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}
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