GGMM/GrossesMitaines/GrossesMitainesAPI/Controllers/ProductController.cs

using Microsoft.AspNetCore.Mvc;
using GrossesMitainesAPI.Models;
using System.Linq;
using GrossesMitainesAPI.Data;
using Microsoft.Extensions.Logging;
using Microsoft.AspNetCore.Authorization;

namespace GrossesMitainesAPI.Controllers;

[ApiController, Route("api/[controller]")]
public class ProductController : Controller {
    private readonly ILogger<ProductController> _logger;
    private readonly InventoryContext _context;

    public ProductController(ILogger<ProductController> logger, InventoryContext context) {
        _logger = logger;
        _context = context;
    }

    [HttpGet(Name = "Product"), AllowAnonymous]
    public Product Get(int id) {
        Product prod;
        try {
            prod = _context.Products.Where(x => x.Id == id).First();
        } catch (Exception e) {
            _logger.LogError(8, e.Message);
            prod = new Product();
        }
        return prod;
    }

    [HttpPost(Name = "Product")]
    public void Post(string title, string category, string description, decimal? price, decimal? promoprice, uint? quantity, bool? disc, string imagename) {
        Product prod = new() { 
            Title =  title,
            Category = category,
            Description = description,
            Price = price.HasValue? (decimal)price: 0.01M,
            PromoPrice = promoprice.HasValue ? (decimal)promoprice : 0.01M,
            Quantity = quantity.HasValue ? (uint)quantity : 0,
            ImageName = imagename
        };

        if (prod.Price <= prod.PromoPrice)
            prod.PromoPrice = prod.Price - 0.01M;

        try {
            _context.Products.Add(prod);
            _context.SaveChanges();
        } catch (Exception e) {
            _logger.LogError(8, e.Message);
        }
    }

    [HttpPut(Name = "Product")]
    public void Put(int id, string title, string category, string description, decimal? price, decimal? promoprice, uint? quantity, string? status, string imagename) {
        try {
            Product prod = _context.Products.Where(x => x.Id == id).First();

            if (title != null || title != "")
                prod.Title = title;

            if (category != null || category != "")
                prod.Category = category;

            if (description != null || description != "")
                prod.Description = description;

            if (price.HasValue || price > 0)
                prod.Price = (decimal)price;

            if (promoprice.HasValue || promoprice > prod.Price)
                prod.PromoPrice = (decimal)promoprice;

            if (quantity.HasValue)
                prod.Quantity = (uint)quantity;

            switch (status) {
                case "isAvailable":
                    prod.Status = Product.States.Available;
                    break;
                case "isUnavailable":
                    prod.Status = Product.States.Unavailable;
                    break;
                case "isBackOrder":
                    prod.Status = Product.States.BackOrder;
                    break; ;
                case "isClearance":
                    prod.Status = Product.States.Clearance;
                    break;
                case "isPromotion":
                    prod.Status = Product.States.Promotion;
                    break;
                case "isDiscontinued":
                    prod.Status = Product.States.Discontinued;
                    break;
                default: break;
            }

            if (imagename != null || imagename != "")
                prod.ImageName = imagename;

            _context.Products.Update(prod);
            _context.SaveChanges();
        } catch (Exception e) {
            _logger.LogError(8, e.Message);
        }
    }

    [HttpPatch(Name = "Product")]
    public void Patch(int id, string title, string category, string description, decimal? price, decimal? promoprice, uint? quantity, string? status, string imagename) {
        try {
            Product prod = _context.Products.Where(x => x.Id == id).First();

            if (title != null)
                prod.Title = title;
            else prod.Title = "";

            if (category != null)
                prod.Category = category;
            else prod.Category = "";

            if (description != null)
                prod.Description = description;
            else prod.Description = "";

            if (promoprice.HasValue || promoprice < prod.Price)
                prod.PromoPrice = (decimal)promoprice;
            else prod.PromoPrice = prod.Price - 0.01M;

            if (quantity.HasValue)
                prod.Quantity = (uint)quantity;
            else prod.Quantity = 0;

            switch (status) {
                case "isAvailable":
                    prod.Status = Product.States.Available;
                    break;
                case "isUnavailable":
                    prod.Status = Product.States.Unavailable;
                    break;
                case "isBackOrder":
                    prod.Status = Product.States.BackOrder;
                    break; ;
                case "isClearance":
                    prod.Status = Product.States.Clearance;
                    break;
                case "isPromotion":
                    prod.Status = Product.States.Promotion;
                    break;
                case "isDiscontinued":
                    prod.Status = Product.States.Discontinued;
                    break;
                default:
                    prod.Status = prod.Quantity > 0 ? Product.States.Available : Product.States.Unavailable;
                    break;
            }

            if (imagename != null)
                prod.ImageName = imagename;
            else prod.ImageName = "";

            _context.Products.Update(prod);
            _context.SaveChanges();
        } catch (Exception e) {
            _logger.LogError(8, e.Message);
        }
    }
}