Demo contacts page.
This commit is contained in:
Burak Kaan Köse
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Linq;
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using System.Threading.Tasks;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using Wino.Core.Domain.Entities.Shared;
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using Wino.Core.Domain.Enums;
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using Wino.Core.Domain.Interfaces;
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using Wino.Core.Domain.Models.Navigation;
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namespace Wino.Mail.ViewModels;
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public partial class ContactsPageViewModel : MailBaseViewModel
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{
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private readonly IContactService _contactService;
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private readonly IMailDialogService _dialogService;
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private List<AccountContact> _allContacts = new();
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[ObservableProperty]
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public partial string SearchQuery { get; set; } = string.Empty;
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[ObservableProperty]
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public partial bool IsLoading { get; set; } = false;
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[ObservableProperty]
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public partial bool IsSelectionMode { get; set; } = false;
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[ObservableProperty]
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public partial int SelectedContactsCount { get; set; } = 0;
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public ObservableCollection<AccountContact> Contacts { get; } = new();
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public ObservableCollection<AccountContact> SelectedContacts { get; } = new();
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public ContactsPageViewModel(IContactService contactService, IMailDialogService dialogService)
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{
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_contactService = contactService;
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_dialogService = dialogService;
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}
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public override async void OnNavigatedTo(NavigationMode mode, object parameters)
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{
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base.OnNavigatedTo(mode, parameters);
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SelectedContacts.CollectionChanged -= SelectedContactsChanged;
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SelectedContacts.CollectionChanged += SelectedContactsChanged;
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await LoadContactsAsync();
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}
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public override void OnNavigatedFrom(NavigationMode mode, object parameters)
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{
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base.OnNavigatedFrom(mode, parameters);
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SelectedContacts.CollectionChanged -= SelectedContactsChanged;
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}
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private void SelectedContactsChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
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=> SelectedContactsCount = SelectedContacts.Count;
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[RelayCommand]
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private async Task LoadContactsAsync()
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{
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IsLoading = true;
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try
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{
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_allContacts = await _contactService.GetAllContactsAsync();
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await FilterContactsAsync();
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}
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catch (Exception ex)
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{
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_dialogService.InfoBarMessage("Error", $"Failed to load contacts: {ex.Message}", InfoBarMessageType.Error);
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}
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finally
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{
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IsLoading = false;
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}
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}
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[RelayCommand]
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private async Task SearchContactsAsync()
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{
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await FilterContactsAsync();
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}
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private async Task FilterContactsAsync()
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{
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List<AccountContact> filteredContacts;
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if (string.IsNullOrWhiteSpace(SearchQuery))
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{
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filteredContacts = _allContacts;
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}
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else
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{
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filteredContacts = await _contactService.SearchContactsAsync(SearchQuery);
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}
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await ExecuteUIThread(() =>
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{
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Contacts.Clear();
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foreach (var contact in filteredContacts.OrderBy(c => c.Name ?? c.Address))
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{
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Contacts.Add(contact);
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}
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});
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}
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[RelayCommand]
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private async Task AddContactAsync()
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{
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var result = await _dialogService.ShowEditContactDialogAsync(null);
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if (result != null)
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{
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try
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{
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var newContact = await _contactService.CreateNewContactAsync(result.Address, result.Name);
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if (!string.IsNullOrEmpty(result.Base64ContactPicture))
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{
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newContact.Base64ContactPicture = result.Base64ContactPicture;
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await _contactService.UpdateContactAsync(newContact);
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}
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_allContacts.Add(newContact);
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await FilterContactsAsync();
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_dialogService.InfoBarMessage("Success", "Contact added successfully", InfoBarMessageType.Success);
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}
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catch (Exception ex)
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{
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_dialogService.InfoBarMessage("Error", $"Failed to add contact: {ex.Message}", InfoBarMessageType.Error);
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}
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}
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}
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[RelayCommand]
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private async Task EditContactAsync(AccountContact contact)
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{
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if (contact == null) return;
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var result = await _dialogService.ShowEditContactDialogAsync(contact);
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if (result != null)
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{
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try
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{
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// Update the contact properties
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contact.Name = result.Name;
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contact.Base64ContactPicture = result.Base64ContactPicture;
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contact.IsOverridden = result.IsOverridden;
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await _contactService.UpdateContactAsync(contact);
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// Update the UI
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var index = _allContacts.FindIndex(c => c.Address == contact.Address);
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if (index >= 0)
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{
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_allContacts[index] = contact;
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}
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await FilterContactsAsync();
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_dialogService.InfoBarMessage("Success", "Contact updated successfully", InfoBarMessageType.Success);
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}
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catch (Exception ex)
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{
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_dialogService.InfoBarMessage("Error", $"Failed to update contact: {ex.Message}", InfoBarMessageType.Error);
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}
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}
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}
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[RelayCommand]
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private async Task DeleteContactAsync(AccountContact contact)
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{
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if (contact == null || contact.IsRootContact)
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{
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_dialogService.InfoBarMessage("Cannot Delete", "Root contacts cannot be deleted", InfoBarMessageType.Warning);
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return;
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}
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var result = await _dialogService.ShowConfirmationDialogAsync(
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$"Are you sure you want to delete the contact '{contact.Name ?? contact.Address}'?",
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"Delete Contact",
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"Delete");
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if (result)
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{
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await DeleteContactsInternalAsync(new[] { contact });
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}
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}
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[RelayCommand]
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private async Task DeleteSelectedContactsAsync()
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{
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if (SelectedContacts.Count == 0) return;
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var deletableContacts = SelectedContacts.Where(c => !c.IsRootContact).ToList();
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if (deletableContacts.Count == 0)
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{
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_dialogService.InfoBarMessage("Cannot Delete", "Root contacts cannot be deleted", InfoBarMessageType.Warning);
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return;
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}
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var result = await _dialogService.ShowConfirmationDialogAsync(
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$"Are you sure you want to delete {deletableContacts.Count} contact(s)?",
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"Delete Contacts",
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"Delete");
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if (result)
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{
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await DeleteContactsInternalAsync(deletableContacts);
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}
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}
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private async Task DeleteContactsInternalAsync(IEnumerable<AccountContact> contactsToDelete)
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{
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try
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{
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var addresses = contactsToDelete.Select(c => c.Address);
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await _contactService.DeleteContactsAsync(addresses);
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// Update local collections
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foreach (var contact in contactsToDelete.ToList())
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{
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_allContacts.Remove(contact);
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SelectedContacts.Remove(contact);
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}
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await FilterContactsAsync();
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_dialogService.InfoBarMessage("Success", "Contacts deleted successfully", InfoBarMessageType.Success);
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}
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catch (Exception ex)
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{
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_dialogService.InfoBarMessage("Error", $"Failed to delete contacts: {ex.Message}", InfoBarMessageType.Error);
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}
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}
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[RelayCommand]
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private void ToggleSelection()
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{
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IsSelectionMode = !IsSelectionMode;
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if (!IsSelectionMode)
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{
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SelectedContacts.Clear();
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}
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}
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[RelayCommand]
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private void SelectAllContacts()
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{
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SelectedContacts.Clear();
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foreach (var contact in Contacts)
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{
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SelectedContacts.Add(contact);
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}
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}
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[RelayCommand]
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private void ClearSelection()
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{
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SelectedContacts.Clear();
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}
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[RelayCommand]
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private async Task PickContactPhotoAsync(AccountContact contact)
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{
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if (contact == null) return;
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try
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{
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var files = await _dialogService.PickFilesAsync(".png", ".jpg", ".jpeg");
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if (files?.Any() == true)
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{
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var file = files.First();
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var base64Image = Convert.ToBase64String(file.Data);
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contact.Base64ContactPicture = base64Image;
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await _contactService.UpdateContactAsync(contact);
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await FilterContactsAsync();
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_dialogService.InfoBarMessage("Success", "Contact photo updated successfully", InfoBarMessageType.Success);
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}
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}
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catch (Exception ex)
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{
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_dialogService.InfoBarMessage("Error", $"Failed to update photo: {ex.Message}", InfoBarMessageType.Error);
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}
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}
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partial void OnSearchQueryChanged(string value)
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{
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// Debounce search - implement if needed
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SearchContactsCommand.ExecuteAsync(null);
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}
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}
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