Files
marechai/Marechai.App/Presentation/ViewModels/CompanyDetailViewModel.cs

373 lines
14 KiB
C#

#nullable enable
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Input;
using Marechai.App.Helpers;
using Marechai.App.Presentation.Models;
using Marechai.App.Services;
using Marechai.Data;
using Uno.Extensions.Navigation;
namespace Marechai.App.Presentation.ViewModels;
public partial class CompanyDetailViewModel : ObservableObject
{
private readonly CompanyDetailService _companyDetailService;
private readonly IStringLocalizer _localizer;
private readonly ILogger<CompanyDetailViewModel> _logger;
private readonly INavigator _navigator;
[ObservableProperty]
private CompanyDto? _company;
[ObservableProperty]
private int _companyId;
[ObservableProperty]
private ObservableCollection<CompanyDetailMachine> _computers = [];
[ObservableProperty]
private string _computersFilterText = string.Empty;
[ObservableProperty]
private string _consoelsFilterText = string.Empty;
[ObservableProperty]
private ObservableCollection<CompanyDetailMachine> _consoles = [];
[ObservableProperty]
private string _errorMessage = string.Empty;
[ObservableProperty]
private ObservableCollection<CompanyDetailMachine> _filteredComputers = [];
[ObservableProperty]
private ObservableCollection<CompanyDetailMachine> _filteredConsoles = [];
[ObservableProperty]
private bool _hasError;
[ObservableProperty]
private bool _isDataLoaded;
[ObservableProperty]
private bool _isLoading;
[ObservableProperty]
private CompanyDto? _soldToCompany;
public CompanyDetailViewModel(CompanyDetailService companyDetailService, IStringLocalizer localizer,
ILogger<CompanyDetailViewModel> logger, INavigator navigator)
{
_companyDetailService = companyDetailService;
_localizer = localizer;
_logger = logger;
_navigator = navigator;
LoadData = new AsyncRelayCommand(LoadDataAsync);
GoBackCommand = new AsyncRelayCommand(GoBackAsync);
NavigateToMachineCommand = new AsyncRelayCommand<CompanyDetailMachine>(NavigateToMachineAsync);
}
/// <summary>
/// Gets the display text for the company's status
/// </summary>
public string CompanyStatusDisplay => Company != null ? GetStatusMessage(Company) : string.Empty;
/// <summary>
/// Gets the display text for the company's founded date
/// </summary>
public string CompanyFoundedDateDisplay => Company != null ? GetFoundedDateDisplay(Company) : string.Empty;
public IAsyncRelayCommand LoadData { get; }
public ICommand GoBackCommand { get; }
public IAsyncRelayCommand<CompanyDetailMachine> NavigateToMachineCommand { get; }
public string Title { get; } = "Company Details";
partial void OnCompanyChanged(CompanyDto? oldValue, CompanyDto? newValue)
{
// Notify that computed properties have changed
OnPropertyChanged(nameof(CompanyStatusDisplay));
OnPropertyChanged(nameof(CompanyFoundedDateDisplay));
}
partial void OnComputersFilterTextChanged(string value)
{
FilterComputers(value);
}
partial void OnConsoelsFilterTextChanged(string value)
{
FilterConsoles(value);
}
private void FilterComputers(string filterText)
{
ObservableCollection<CompanyDetailMachine> filtered = string.IsNullOrWhiteSpace(filterText)
? new ObservableCollection<
CompanyDetailMachine>(Computers)
: new
ObservableCollection<
CompanyDetailMachine>(Computers.Where(c =>
c.Name.Contains(filterText,
StringComparison
.OrdinalIgnoreCase)));
FilteredComputers = filtered;
}
private void FilterConsoles(string filterText)
{
ObservableCollection<CompanyDetailMachine> filtered = string.IsNullOrWhiteSpace(filterText)
? new ObservableCollection<
CompanyDetailMachine>(Consoles)
: new
ObservableCollection<
CompanyDetailMachine>(Consoles.Where(c =>
c.Name.Contains(filterText,
StringComparison
.OrdinalIgnoreCase)));
FilteredConsoles = filtered;
}
private async Task NavigateToMachineAsync(CompanyDetailMachine? machine)
{
if(machine == null) return;
var navParam = new MachineViewNavigationParameter
{
MachineId = machine.Id,
NavigationSource = this
};
await _navigator.NavigateViewModelAsync<MachineViewViewModel>(this, data: navParam);
}
/// <summary>
/// Gets the formatted founding date with unknown handling
/// </summary>
public string GetFoundedDateDisplay(CompanyDto company)
{
if(company.Founded is null) return string.Empty;
DateTime date = company.Founded.Value.DateTime;
if(company.FoundedMonthIsUnknown ?? false) return $"{date.Year}.";
if(company.FoundedDayIsUnknown ?? false) return $"{date:Y}.";
return $"{date:D}.";
}
/// <summary>
/// Gets the formatted sold/event date with unknown handling
/// </summary>
public string GetEventDateDisplay(CompanyDto? company, bool monthUnknown = false, bool dayUnknown = false)
{
if(company?.Sold is null) return _localizer["unknown date"].Value;
DateTime date = company.Sold.Value.DateTime;
if(monthUnknown || (company.SoldMonthIsUnknown ?? false)) return $"{date.Year}";
if(dayUnknown || (company.SoldDayIsUnknown ?? false)) return $"{date:Y}";
return $"{date:D}";
}
/// <summary>
/// Gets the status message for the company
/// </summary>
public string GetStatusMessage(CompanyDto company)
{
return company.Status switch
{
1 => _localizer["Company is active."].Value,
2 => GetSoldStatusMessage(company),
3 => GetMergedStatusMessage(company),
4 => GetBankruptcyMessage(company),
5 => GetDefunctMessage(company),
6 => GetRenamedStatusMessage(company),
_ => _localizer["Current company status is unknown."].Value
};
}
private string GetSoldStatusMessage(CompanyDto company)
{
if(SoldToCompany != null)
{
return string.Format(_localizer["Company sold to {0} on {1}."].Value,
SoldToCompany.Name,
GetEventDateDisplay(company));
}
if(company.Sold != null)
{
return string.Format(_localizer["Company sold on {0} to an unknown company."].Value,
GetEventDateDisplay(company));
}
return SoldToCompany != null
? string.Format(_localizer["Company sold to {0} on an unknown date."].Value, SoldToCompany.Name)
: _localizer["Company was sold to an unknown company on an unknown date."].Value;
}
private string GetMergedStatusMessage(CompanyDto company)
{
if(SoldToCompany != null)
{
return string.Format(_localizer["Company merged on {0} to form {1}."].Value,
GetEventDateDisplay(company),
SoldToCompany.Name);
}
if(company.Sold != null)
{
return string.Format(_localizer["Company merged on {0} to form an unknown company."].Value,
GetEventDateDisplay(company));
}
return SoldToCompany != null
? string.Format(_localizer["Company merged on an unknown date to form {0}."].Value,
SoldToCompany.Name)
: _localizer["Company merged to form an unknown company on an unknown date."].Value;
}
private string GetBankruptcyMessage(CompanyDto company) => company.Sold != null
? string.Format(_localizer
["Company declared bankruptcy on {0}."]
.Value,
GetEventDateDisplay(company))
: _localizer
["Company declared bankruptcy on an unknown date."]
.Value;
private string GetDefunctMessage(CompanyDto company) => company.Sold != null
? string.Format(_localizer
["Company ceased operations on {0}."]
.Value,
GetEventDateDisplay(company))
: _localizer
["Company ceased operations on an unknown date."]
.Value;
private string GetRenamedStatusMessage(CompanyDto company)
{
if(SoldToCompany != null)
{
return string.Format(_localizer["Company renamed to {0} on {1}."].Value,
SoldToCompany.Name,
GetEventDateDisplay(company));
}
if(company.Sold != null)
{
return string.Format(_localizer["Company was renamed on {0} to an unknown name."].Value,
GetEventDateDisplay(company));
}
return SoldToCompany != null
? string.Format(_localizer["Company renamed to {0} on an unknown date."].Value, SoldToCompany.Name)
: _localizer["Company renamed to an unknown name on an unknown date."].Value;
}
/// <summary>
/// Loads company details from the API
/// </summary>
private async Task LoadDataAsync()
{
try
{
IsLoading = true;
ErrorMessage = string.Empty;
HasError = false;
IsDataLoaded = false;
if(CompanyId <= 0)
{
ErrorMessage = _localizer["Invalid company ID."].Value;
HasError = true;
return;
}
// Load company details
Company = await _companyDetailService.GetCompanyByIdAsync(CompanyId);
if(Company is null)
{
ErrorMessage = _localizer["Company not found."].Value;
HasError = true;
return;
}
// Load sold-to company if applicable
if(Company.SoldToId != null)
{
int soldToId = UntypedNodeExtractor.ExtractInt(Company.SoldToId);
if(soldToId > 0) SoldToCompany = await _companyDetailService.GetSoldToCompanyAsync(soldToId);
}
// Load computers and consoles made by this company
List<MachineDto> machines = await _companyDetailService.GetComputersByCompanyAsync(CompanyId);
Computers.Clear();
Consoles.Clear();
FilteredComputers.Clear();
FilteredConsoles.Clear();
foreach(MachineDto machine in machines)
{
int machineId = UntypedNodeExtractor.ExtractInt(machine.Id);
var machineItem = new CompanyDetailMachine
{
Id = machineId,
Name = machine.Name ?? string.Empty
};
// Categorize by machine type enum
if(machine.Type == (int)MachineType.Computer)
Computers.Add(machineItem);
else if(machine.Type == (int)MachineType.Console) Consoles.Add(machineItem);
}
// Initialize filtered lists
FilteredComputers = new ObservableCollection<CompanyDetailMachine>(Computers);
FilteredConsoles = new ObservableCollection<CompanyDetailMachine>(Consoles);
IsDataLoaded = true;
}
catch(Exception ex)
{
_logger.LogError("Error loading company details: {Exception}", ex.Message);
ErrorMessage = _localizer["Failed to load company details. Please try again later."].Value;
HasError = true;
}
finally
{
IsLoading = false;
}
}
/// <summary>
/// Handles back navigation
/// </summary>
private async Task GoBackAsync()
{
await _navigator.NavigateViewModelAsync<CompaniesViewModel>(this);
}
}
/// <summary>
/// Data model for a machine in the company detail view
/// </summary>
public class CompanyDetailMachine
{
public int Id { get; set; }
public string Name { get; set; } = string.Empty;
}