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Beyhan Oğur
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#region License
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// Copyright (C) 2020 Reetus
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#endregion
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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.Reflection;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Input;
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using System.Windows.Threading;
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using ClassicAssist.Browser.Data;
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using ClassicAssist.Browser.Models;
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using ClassicAssist.Data.Macros;
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using ClassicAssist.Shared.Resources;
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using ClassicAssist.UI.ViewModels;
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using Microsoft.Scripting.Utils;
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namespace ClassicAssist.Browser
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{
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public class MacroBrowserViewModel : BaseViewModel
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{
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private readonly Dictionary<string, Func<Task<string[]>>>
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_data = new Dictionary<string, Func<Task<string[]>>>();
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private readonly Database _database = Database.GetInstance();
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private string _authorFilter;
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private ObservableCollection<string> _authors = new ObservableCollection<string>();
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private ObservableCollection<Category> _categories = new ObservableCollection<Category>();
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private Category _categoryFilter;
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private ICommand _clearCommand;
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private ICommand _copyToClipboardCommand;
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private ICommand _createMacroCommand;
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private string _eraFilter;
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private ObservableCollection<string> _eras = new ObservableCollection<string>();
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private bool _loading = true;
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private ObservableCollection<string> _macros = new ObservableCollection<string>();
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private ICommand _openGithubCommand;
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private string _selectedItem;
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private string _selectedMacro;
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private string _shardFilter;
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private ObservableCollection<string> _shards = new ObservableCollection<string>();
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private Dispatcher _test;
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public MacroBrowserViewModel()
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{
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_data.Add( nameof( Macros ), async () => await _database.GetMacros() );
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_data.Add( nameof( Shards ), async () => await _database.GetShards() );
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_data.Add( nameof( Eras ), async () => await _database.GetEras() );
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_data.Add( nameof( Authors ), async () => await _database.GetAuthors() );
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_test = Dispatcher.CurrentDispatcher;
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Task.Run( async () =>
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{
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try
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{
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await RefreshData();
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}
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catch ( Exception e )
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{
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MessageBox.Show( $"{Strings.Failed_to_download_manifest___}\n\n{e.Message}", Strings.Error,
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MessageBoxButton.OK, MessageBoxImage.Error );
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}
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finally
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{
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Loading = false;
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}
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} );
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}
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public string AuthorFilter
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{
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get => _authorFilter;
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set
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{
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SetProperty( ref _authorFilter, value );
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ApplyFilter();
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}
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}
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public ObservableCollection<string> Authors
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{
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get => _authors;
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set => SetProperty( ref _authors, value );
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}
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public ObservableCollection<Category> Categories
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{
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get => _categories;
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set => SetProperty( ref _categories, value );
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}
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public Category CategoryFilter
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{
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get => _categoryFilter;
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set
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{
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SetProperty( ref _categoryFilter, value );
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ApplyFilter();
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}
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}
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public ICommand ClearCommand => _clearCommand ?? ( _clearCommand = new RelayCommand( ClearFilter, o => true ) );
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public ICommand CopyToClipboardCommand =>
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_copyToClipboardCommand ??
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( _copyToClipboardCommand = new RelayCommand( CopyToClipboard, o => SelectedItem != null ) );
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public ICommand CreateMacroCommand =>
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_createMacroCommand ??
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( _createMacroCommand = new RelayCommandAsync( CreateMacro, o => SelectedItem != null ) );
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public string EraFilter
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{
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get => _eraFilter;
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set
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{
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SetProperty( ref _eraFilter, value );
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ApplyFilter();
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}
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}
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public ObservableCollection<string> Eras
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{
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get => _eras;
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set => SetProperty( ref _eras, value );
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}
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public bool Loading
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{
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get => _loading;
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set => SetProperty( ref _loading, value );
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}
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public ObservableCollection<string> Macros
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{
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get => _macros;
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set => SetProperty( ref _macros, value );
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}
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public ICommand OpenGithubCommand =>
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_openGithubCommand ?? ( _openGithubCommand = new RelayCommand( OpenGithub, o => SelectedItem != null ) );
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public string SelectedItem
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{
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get => _selectedItem;
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set
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{
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SetProperty( ref _selectedItem, value );
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GetMacro( value ).ConfigureAwait( false );
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}
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}
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public string SelectedMacro
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{
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get => _selectedMacro;
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set => SetProperty( ref _selectedMacro, value );
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}
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public string ShardFilter
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{
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get => _shardFilter;
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set
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{
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SetProperty( ref _shardFilter, value );
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ApplyFilter();
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}
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}
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public ObservableCollection<string> Shards
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{
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get => _shards;
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set => SetProperty( ref _shards, value );
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}
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private async Task CreateMacro( object obj )
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{
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if ( !( obj is string macro ) )
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{
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return;
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}
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MessageBoxResult result = MessageBox.Show( Strings.Macro_Warning, Strings.Warning, MessageBoxButton.YesNo,
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MessageBoxImage.Warning );
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if ( result != MessageBoxResult.Yes )
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{
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return;
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}
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MacroManager.GetInstance().NewMacro?.Invoke( macro, await _database.GetMacroByName( macro ) );
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}
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private static void CopyToClipboard( object obj )
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{
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if ( !( obj is string macro ) )
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{
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return;
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}
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try
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{
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Clipboard.SetText( macro );
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}
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catch ( Exception )
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{
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// ignored
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}
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}
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private void ClearFilter( object obj )
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{
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if ( !( obj is FilterType filterType ) )
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{
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return;
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}
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switch ( filterType )
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{
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case FilterType.Shard:
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ShardFilter = null;
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break;
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case FilterType.Era:
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EraFilter = null;
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break;
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case FilterType.Author:
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AuthorFilter = null;
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break;
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case FilterType.Category:
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break;
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default:
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throw new ArgumentOutOfRangeException();
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}
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ApplyFilter();
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}
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private void ApplyFilter()
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{
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List<Filter> filters = new List<Filter>
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{
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new Filter { FilterType = FilterType.Shard, Value = ShardFilter },
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new Filter { FilterType = FilterType.Era, Value = EraFilter },
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new Filter { FilterType = FilterType.Author, Value = AuthorFilter },
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new Filter { FilterType = FilterType.Category, Category = CategoryFilter }
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};
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_database.GetMacros( filters ).ContinueWith( t =>
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{
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_dispatcher.Invoke( () =>
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{
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Macros.Clear();
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Macros.AddRange( t.Result );
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} );
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} );
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}
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private async Task GetMacro( string value )
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{
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try
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{
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Loading = true;
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string macro = await _database.GetMacroByName( value );
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SelectedMacro = macro;
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}
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catch ( Exception e )
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{
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MessageBox.Show( $"{Strings.Failed_to_download_macro___}\n\n{e.Message}", Strings.Error,
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MessageBoxButton.OK, MessageBoxImage.Error );
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}
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finally
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{
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Loading = false;
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}
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}
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private async Task RefreshData()
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{
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try
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{
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foreach ( KeyValuePair<string, Func<Task<string[]>>> kvp in _data )
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{
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PropertyInfo property =
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GetType().GetProperty( kvp.Key, BindingFlags.Instance | BindingFlags.Public );
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if ( property == null )
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{
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continue;
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}
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string[] data = await kvp.Value.Invoke();
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if ( data == null )
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{
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continue;
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}
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ObservableCollection<string> obj = (ObservableCollection<string>) property.GetValue( this );
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if ( obj == null )
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{
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continue;
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}
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_test.Invoke( () =>
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{
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obj.Clear();
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obj.AddRange( data );
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} );
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}
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await _dispatcher.InvokeAsync( async () => Categories.AddRange( await _database.GetCategories() ) );
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}
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catch ( Exception e )
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{
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MessageBox.Show( e.Message, Strings.Error );
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}
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}
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private void OpenGithub( object obj )
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{
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if ( !( obj is string macro ) )
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{
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return;
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}
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_database.OpenGithubMacroURL( macro );
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}
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}
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}
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