Project/Project.Application/Services/ProductService.cs

using AutoMapper;
using Project.Application.DTOs.Incoming;
using Project.Application.DTOs.Outgoing;
using Project.Application.Interfaces;
using Project.Domain.Entities;
using Project.Infrastructure.Interfaces;

namespace Project.Application.Services
{
    public class ProductService : IProductService
    {
        // FIELDS FOR CTOR
        private readonly IProductRepository _productRepository;
        private readonly IMapper _mapper;

        // CTOR
        public ProductService(IProductRepository productRepository, IMapper mapper)
        {
            _productRepository = productRepository;
            _mapper = mapper;
        }

        // CREATE
        public async Task<Product?> AddProductAsync(CreatingProductDto creatingProductDto)
        {
            var product = _mapper.Map<Product>(creatingProductDto);
            var created = await _productRepository.AddAsync(product);
            return created;
        }

        // READ ALL
        public async Task<IEnumerable<ReadingProductDto>> GetAllAsync()
        {
            var products = await _productRepository.GetAllAsync();
            var readDto = _mapper.Map<IEnumerable<ReadingProductDto>>(products);
            return readDto;
        }

        // READ BY ID
        public async Task<ReadingProductDto> GetByIdAsync(int id)
        {
            var product = await _productRepository.GetByIdAsync(id);
            var readDto = _mapper.Map<ReadingProductDto>(product);
            return readDto;
        }

        // READ BY NAME
        public async Task<ReadingProductDto> GetByNameAsync(string name)
        {
            var product = await _productRepository.GetByNameAsync(name);
            var readDto = _mapper.Map<ReadingProductDto>(product);
            return readDto;
        }

        // UPDATE
        public async Task<bool> UpdateProductAsync(UpdatingProductDto updatingProductDto)
        {
            var product = _mapper.Map<Product>(updatingProductDto);
            bool isUpdated = await _productRepository.UpdateAsync(product);
            return isUpdated;
        }

        // DELETE
        public async Task<bool> DeleteProductAsync(int id)
        {
            Product? product = await _productRepository.GetByIdAsync(id);

            if (product is null)
                return false;
            
            bool isDeleted = await _productRepository.DeleteAsync(product);
            return isDeleted;
        }
    }
}