ViewModel/TrainerWorkloadViewModel.cs - master - metaffoble/FitnessManager

ViewModel/TrainerWorkloadViewModel.cs
115 строк3 KB
Артем Якушин
another version of FitnessManager
08 фев 2026, 15:15
08 фев 2026, 15:15503d57a
using FitnessManager.Helpers;
using FitnessManager.Model.Classes;
using FitnessManager.Model.Data;
using LiveCharts;
using LiveCharts.Wpf;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Input;
using System.Windows.Media;
using FitnessManager.Model.Services;
using System.Windows;
using System.Windows.Documents;
public class TrainerWorkloadViewModel : ObservableObject
{
    private static readonly FitnessManagerEntities _context = new FitnessManagerEntities();
    public SeriesCollection SeriesCollection { get; set; }
    public List<string> Dates { get; set; }
    private TrainerService _service = new TrainerService(_context);
    public Func<double, string> Formatter { get; set; }
    public List<TrainerWorkload> TrainersWorkload { get; set; }
    public ICommand RefreshCommand ;

    public TrainerWorkloadViewModel()
    {
        RefreshCommand = new RelayCommand(RefreshData);
        LoadData();
        SetupChart();
    }

    private DateTime _startDate = DateTime.Now.AddDays(-7);
    public DateTime StartDate
    {
        get => _startDate;
        set
        {
            _startDate = value;
            OnPropertyChanged();
            RefreshData();
        }
    }

    private DateTime _endDate = DateTime.Now;
    public DateTime EndDate
    {
        get => _endDate;
        set
        {
            _endDate = value;
            OnPropertyChanged();
            RefreshData();
        }
    }

    

    private void RefreshData()
    {
        LoadData();
        SeriesCollection.Clear(); // Очищаем старые данные
        SetupChart(); // Перестраиваем график
        OnPropertyChanged(nameof(SeriesCollection)); // Уведомляем UI об изменениях
    }

    

    private void LoadData()
    {
        var startDate = StartDate;
        var endDate = EndDate;

        TrainersWorkload = new List<TrainerWorkload>();

        using (var dbContext = new FitnessManagerEntities())
        {
            

            TrainersWorkload = _service.GetTrainersWorkloadToList( startDate, endDate);
        }
    }

    private void SetupChart()
    {
        if (TrainersWorkload == null || !TrainersWorkload.Any())
        {
            SeriesCollection = new SeriesCollection();
            return;
        }

        var newSeries = new SeriesCollection();
        Dates = TrainersWorkload.First().WorkloadByDate.Keys
            .OrderBy(d => d)
            .Select(d => d.ToString("dd.MM"))
            .ToList();

        foreach (var trainer in TrainersWorkload)
        {
            
            string title = $"{trainer.TrainerName}\n (Всего назначено: {trainer.TotalWorkload} тренировок)";

            newSeries.Add(new ColumnSeries
            {
                Title = title,
                Values = new ChartValues<int>(trainer.WorkloadByDate
                    .OrderBy(kv => kv.Key)
                    .Select(kv => kv.Value)),
                Tag = trainer.IsOverworked
            });
        }

        SeriesCollection = newSeries;
        OnPropertyChanged(nameof(SeriesCollection));
        OnPropertyChanged(nameof(Dates));
    }
}