Add thumbnail file creation
This commit is contained in:
Sergey Chebotar
parent
e5416aff88
commit
14312cb5c6
@ -3,131 +3,141 @@ using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.EntityFrameworkCore;
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using MyDarling.Models;
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using MyDarling.Services;
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namespace MyDarling.Controllers
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{
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[Authorize]
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public class ProductsController : Controller
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{
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private DataContext context;
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private IWebHostEnvironment environment;
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[Authorize]
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public class ProductsController : Controller
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{
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private DataContext context;
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private IWebHostEnvironment environment;
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private IImageResizer resizer;
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public ProductsController(DataContext context, IWebHostEnvironment environment)
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{
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this.environment = environment;
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this.context = context;
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}
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public ProductsController(DataContext context, IImageResizer resizer, IWebHostEnvironment environment)
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{
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this.environment = environment;
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this.context = context;
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this.resizer = resizer;
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}
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public IActionResult Index()
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{
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return View(context.Products.Include(b => b.Figures));
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}
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public IActionResult Index()
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{
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return View(context.Products.Include(b => b.Figures));
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}
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public IActionResult Create()
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{
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return View();
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}
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public IActionResult Create()
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{
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return View();
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}
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[HttpPost]
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public async Task<IActionResult> Create([Bind] Product bundle)
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{
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try
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{
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if (ModelState.IsValid)
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{
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await context.Products.AddAsync(bundle);
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context.SaveChanges();
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return RedirectToAction(nameof(Index));
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}
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}
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catch (DataException)
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{
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ModelState.AddModelError("", "Unable to save changes");
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}
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return View(bundle);
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}
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[HttpPost]
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public async Task<IActionResult> Create([Bind] Product bundle)
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{
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try
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{
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if (ModelState.IsValid)
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{
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await context.Products.AddAsync(bundle);
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context.SaveChanges();
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return RedirectToAction(nameof(Index));
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}
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}
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catch (DataException)
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{
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ModelState.AddModelError("", "Unable to save changes");
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}
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return View(bundle);
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}
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public async Task<IActionResult> Details(string id)
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{
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return View(await context.Products.Include(b => b.Figures).Where(b => b.Id.Equals(id)).FirstOrDefaultAsync());
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}
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public async Task<IActionResult> Details(string id)
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{
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return View(await context.Products.Include(b => b.Figures).Where(b => b.Id.Equals(id)).FirstOrDefaultAsync());
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}
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[HttpPost]
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public async Task<IActionResult> Edit(string id)
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{
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if (string.IsNullOrEmpty(id))
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{
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return NotFound();
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}
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[HttpPost]
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public async Task<IActionResult> Edit(string id)
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{
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if (string.IsNullOrEmpty(id))
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{
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return NotFound();
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}
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var product = await context.Products.FindAsync(id);
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if (product == null)
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{
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return NotFound();
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}
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var product = await context.Products.FindAsync(id);
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if (product == null)
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{
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return NotFound();
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}
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var file = Request.Form.Files.FirstOrDefault();
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var file = Request.Form.Files.FirstOrDefault();
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string fullPath = string.Empty;
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if (await TryUpdateModelAsync<Product>(
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product,
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"",
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b => b.Name, b => b.Description, b => b.Figures, b => b.Price))
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{
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if (file != null)
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{
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var newFigure = new Figure(string.Empty, product.Id);
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product.Figures.Add(newFigure);
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string filePath = $"/Content/{product.Id}/{newFigure.Id}.jpg";
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var savePath = environment.WebRootPath + "/Content/" + product.Id + "/";
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if (!Directory.Exists(savePath))
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{
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Directory.CreateDirectory(savePath);
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}
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using var fileStream = new FileStream(environment.WebRootPath + filePath, FileMode.Create);
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await file.CopyToAsync(fileStream);
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}
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if (await TryUpdateModelAsync<Product>(
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product,
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"",
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b => b.Name, b => b.Description, b => b.Figures, b => b.Price))
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{
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if (file != null)
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{
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var newFigure = new Figure(string.Empty, product.Id);
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product.Figures.Add(newFigure);
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string filePath = $"/Content/{product.Id}/{newFigure.Id}.jpg";
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string directoryPath = environment.WebRootPath + "/Content/" + product.Id + "/";
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fullPath = environment.WebRootPath + filePath;
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if (!Directory.Exists(directoryPath))
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{
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Directory.CreateDirectory(directoryPath);
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}
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using var fileStream = new FileStream(fullPath, FileMode.Create);
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await file.CopyToAsync(fileStream);
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}
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if (!string.IsNullOrEmpty(fullPath))
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{
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resizer.CreateThumbnail(fullPath);
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}
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try
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{
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await context.SaveChangesAsync();
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try
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{
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await context.SaveChangesAsync();
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return RedirectToAction("Details", "Products", new { Id = product?.Id});
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}
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}
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catch (System.Exception)
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{
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ModelState.AddModelError("", "Unable to save changes");
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}
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}
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return View(product);
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}
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catch (System.Exception)
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{
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ModelState.AddModelError("", "Unable to save changes");
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}
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}
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return View(product);
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}
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[HttpPost]
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public async Task<IActionResult> Delete(string id)
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{
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var productToDelete = await context.Products.FindAsync(id);
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if (productToDelete == null)
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{
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return NotFound();
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}
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[HttpPost]
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public async Task<IActionResult> Delete(string id)
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{
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var productToDelete = await context.Products.FindAsync(id);
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if (productToDelete == null)
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{
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return NotFound();
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}
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try
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{
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var bundleDirPath = String.Concat(environment.WebRootPath,
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"/Content/",
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productToDelete.Id);
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try
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{
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var bundleDirPath = String.Concat(environment.WebRootPath,
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"/Content/",
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productToDelete.Id);
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if (Directory.Exists(bundleDirPath))
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{
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Directory.Delete(bundleDirPath, true);
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}
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context.Products.Remove(productToDelete);
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await context.SaveChangesAsync();
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return RedirectToAction(nameof(Index));
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}
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catch (DbUpdateException)
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{
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return RedirectToAction(nameof(Delete), new { id = id, saveChangesError = true });
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}
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}
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}
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if (Directory.Exists(bundleDirPath))
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{
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Directory.Delete(bundleDirPath, true);
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}
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context.Products.Remove(productToDelete);
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await context.SaveChangesAsync();
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return RedirectToAction(nameof(Index));
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}
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catch (DbUpdateException)
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{
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return RedirectToAction(nameof(Delete), new { id = id, saveChangesError = true });
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}
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}
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}
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}
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@ -13,6 +13,7 @@
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<PrivateAssets>all</PrivateAssets>
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</PackageReference>
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<PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="7.0.2" />
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<PackageReference Include="SkiaSharp" Version="2.88.3" />
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</ItemGroup>
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</Project>
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@ -1,7 +1,9 @@
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using Microsoft.EntityFrameworkCore;
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using MyDarling.Models;
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using MyDarling.Services;
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using Microsoft.AspNetCore.Identity;
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var builder = WebApplication.CreateBuilder(args);
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builder.Services.AddDbContext<DataContext>(opts =>
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@ -25,6 +27,7 @@ builder.Services.Configure<IdentityOptions>( opts =>
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opts.User.AllowedUserNameCharacters = "abcdefghijklmnopqrstuvwxyz";
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});
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builder.Services.AddTransient<IImageResizer, ImageResizer>();
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builder.Services.AddControllersWithViews();
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builder.Services.AddRazorPages();
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8
Services/IImageResizer.cs
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8
Services/IImageResizer.cs
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@ -0,0 +1,8 @@
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namespace MyDarling.Services
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{
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public interface IImageResizer
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{
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public void CreateThumbnail(string filePath);
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public void DownsizeImage(string filePath);
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}
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}
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43
Services/ImageResizer.cs
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43
Services/ImageResizer.cs
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@ -0,0 +1,43 @@
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using SkiaSharp;
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namespace MyDarling.Services
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{
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public class ImageResizer : IImageResizer
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{
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const int size = 400;
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const int quality = 75;
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public void CreateThumbnail(string inputPath)
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{
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using var input = File.OpenRead(inputPath);
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using var inputStream = new SKManagedStream(input);
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using var original = SKBitmap.Decode(inputStream);
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int width, height;
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if (original.Width > original.Height)
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{
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width = size;
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height = original.Height * size / original.Width;
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}
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else
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{
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width = original.Width * size / original.Height;
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height = size;
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}
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using var resized = original.Resize(new SKImageInfo(width, height), SKFilterQuality.High);
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if (resized == null) return;
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using var image = SKImage.FromBitmap(resized);
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var outputPath = Path.GetDirectoryName(inputPath) + "\\" +
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Path.GetFileNameWithoutExtension(inputPath) + "_thumb.jpg";
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using var output = File.OpenWrite(outputPath);
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image.Encode(SKEncodedImageFormat.Jpeg, quality).SaveTo(output);
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}
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public void DownsizeImage(string filePath)
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{
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throw new NotImplementedException();
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}
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}
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}
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