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105 lines
3.4 KiB
C#
105 lines
3.4 KiB
C#
/******************************************************************************
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// MARECHAI: Master repository of computing history artifacts information
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// ----------------------------------------------------------------------------
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//
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// --[ License ] --------------------------------------------------------------
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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
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// published by the Free Software Foundation, either version 3 of the
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// License, or (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 <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2003-2020 Natalia Portillo
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*******************************************************************************/
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using Marechai.ViewModels;
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using Microsoft.AspNetCore.Components;
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namespace Marechai.Pages.Computers
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{
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public partial class Search
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{
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char? _character;
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List<MachineViewModel> _computers;
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bool _loaded;
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string _startingCharacter;
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int? _year;
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[Parameter]
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public int? Year
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{
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get => _year;
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set
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{
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if(_year == value)
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return;
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_year = value;
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_loaded = false;
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}
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}
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[Parameter]
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public string StartingCharacter
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{
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get => _startingCharacter;
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set
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{
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if(_startingCharacter == value)
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return;
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_startingCharacter = value;
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_loaded = false;
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}
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}
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protected override async Task OnAfterRenderAsync(bool firstRender)
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{
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if(_loaded)
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return;
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_character = null;
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if(!string.IsNullOrWhiteSpace(StartingCharacter) &&
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StartingCharacter.Length == 1)
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{
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_character = StartingCharacter[0];
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// ToUpper()
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if(_character >= 'a' &&
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_character <= 'z')
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_character -= (char)32;
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// Check if not letter or number
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if(_character < '0' ||
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(_character > '9' && _character < 'A') ||
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_character > 'Z')
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_character = null;
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}
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if(_character.HasValue)
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_computers = await Service.GetComputersByLetterAsync(_character.Value);
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if(Year.HasValue &&
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_computers is null)
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_computers = await Service.GetComputersByYearAsync(Year.Value);
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_computers ??= await Service.GetComputersAsync();
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_loaded = true;
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StateHasChanged();
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}
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}
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} |