shoc-backend/SeaHaven.DataServices/Implementation/CategoryDataService.cs

using Data.SeaHavenIndustries;
using Microsoft.EntityFrameworkCore;
using SeaHaven.DataServices.Interfaces;

namespace SeaHaven.DataServices.Implementation
{
    public class CategoryDataService : ICategoryDataService
    {
        private readonly ApplicationDbContext _context;

        public CategoryDataService(ApplicationDbContext context)
        {
            _context = context;
        }

        public async Task<Category?> GetByIdAsync(int id)
        {
            return await _context.Categories.FindAsync(id);
        }

        public async Task<IEnumerable<Category>> GetAllAsync()
        {
            return await _context.Categories.ToListAsync();
        }

        public async Task<Category> AddAsync(Category category)
        {
            category.CreatedDate = DateTime.UtcNow;
            await _context.Categories.AddAsync(category);
            await _context.SaveChangesAsync();
            return category;
        }

        public async Task UpdateAsync(Category category)
        {
            category.LastModificationTime = DateTime.UtcNow;
            _context.Categories.Update(category);
            await _context.SaveChangesAsync();
        }

        public async Task DeleteAsync(int id)
        {
            var entity = await GetByIdAsync(id);
            if (entity != null)
            {
                _context.Categories.Remove(entity);
                await _context.SaveChangesAsync();
            }
        }

        public async Task<bool> ExistsAsync(int id)
        {
            return await _context.Categories.AnyAsync(c => c.Id == id);
        }
    }
}