chapter-organizer/WebApp/Services/MeetingScheduleDataService.cs

using Core.Entities;
using Data;
using Microsoft.EntityFrameworkCore;

namespace WebApp.Services;

/// <summary>
/// Service for loading meeting schedule data from the database.
/// </summary>
public class MeetingScheduleDataService : IMeetingScheduleDataService
{
    private readonly AppDbContext _context;

    public MeetingScheduleDataService(AppDbContext context)
    {
        _context = context;
    }

    public async Task<Team[]> LoadTeamsAsync()
    {
        return await _context.Teams
            .AsNoTracking()
            .Include(e => e.Event)
            .Include(e => e.Students)
            .OrderBy(e => e.Event.Name)
            .ThenBy(e => e.Identifier)
            .ToArrayAsync();
    }

    public async Task<Student[]> LoadStudentsAsync()
    {
        return await _context.Students
            .AsNoTracking()
            .Include(e => e.Teams)
                .ThenInclude(t => t.Event)
            .Include(e => e.Teams)
                .ThenInclude(t => t.Captain)
            .Include(e => e.EventRankings)
                .ThenInclude(e => e.EventDefinition)
            .OrderBy(e => e.Nickname ?? e.FirstName)
            .ToArrayAsync();
    }
}