API_PIR/Services/NoteService.cs - master - Frozin/DIS-3

API_PIR/Services/NoteService.cs
68 строк2 KB
Dobryk
Добавлена пагинация
20 окт 2025, 03:11
20 окт 2025, 03:11ea456f4
using API_PIR.Interfaces;
using API_PIR.Models;

namespace API_PIR.Services;

public class NoteService : INoteService
{
    private readonly List<NoteModel> _notes = [];

    public Task<IEnumerable<NoteModel>> GetAllNotesAsync()
    {
        return Task.FromResult(_notes.AsEnumerable());
    }

    public Task<PaginatedList<NoteModel>> GetNotesPaginatedAsync(int pageNumber, int pageSize)
    {
        var totalCount = _notes.Count;
        var items = _notes
            .Skip((pageNumber - 1) * pageSize)
            .Take(pageSize)
            .ToList();

        var result = new PaginatedList<NoteModel>
        {
            Items = items,
            PageNumber = pageNumber,
            PageSize = pageSize,
            TotalCount = totalCount
        };

        return Task.FromResult(result);
    }

    public Task<NoteModel?> GetNoteByIdAsync(Guid id)
    {
        var note = _notes.FirstOrDefault(n => n.Id == id);
        return Task.FromResult(note);
    }

    public Task<NoteModel> CreateNoteAsync(NoteModel note)
    {
        note.Id = Guid.NewGuid();
        note.CreatedAt = DateTime.UtcNow;
        _notes.Add(note);
        return Task.FromResult(note);
    }

    public Task<NoteModel?> UpdateNoteAsync(Guid id, NoteModel note)
    {
        var existingNote = _notes.FirstOrDefault(n => n.Id == id);
        if (existingNote != null)
        {
            existingNote.Title = note.Title;
            existingNote.Text = note.Text;
            existingNote.Author = note.Author;
        }

        return Task.FromResult(existingNote);
    }

    public Task<bool> DeleteNoteAsync(Guid id)
    {
        var note = _notes.FirstOrDefault(n => n.Id == id);
        if (note == null) return Task.FromResult(false);
        _notes.Remove(note);
        return Task.FromResult(true);
    }
}