mirror of
https://github.com/claunia/marechai.git
synced 2025-12-16 19:14:25 +00:00
Upload and render company logo SVGs when creating new logo entry.
This commit is contained in:
@@ -1,12 +1,19 @@
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using System;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Xml;
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using Cicm.Database.Models;
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using cicm_web.Areas.Admin.Models;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Mvc.Rendering;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Query;
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using SkiaSharp;
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using SKSvg = SkiaSharp.Extended.Svg.SKSvg;
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namespace cicm_web.Areas.Admin.Controllers
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{
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@@ -48,29 +55,222 @@ namespace cicm_web.Areas.Admin.Controllers
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// GET: CompanyLogos/Create
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// TODO: Upload
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// public IActionResult Create()
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// {
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// ViewData["CompanyId"] = new SelectList(_context.Companies, "Id", "Name");
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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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ViewData["CompanyId"] =
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new
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SelectList(_context.Companies.Select(c => new CompanyViewModel {Name = c.Name, Id = c.Id}).OrderBy(c => c.Name),
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"Id", "Name");
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return View();
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}
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// POST: CompanyLogos/Create
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// To protect from overposting attacks, please enable the specific properties you want to bind to, for
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// more details see http://go.microsoft.com/fwlink/?LinkId=317598.
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// TODO: Upload
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// [HttpPost]
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// [ValidateAntiForgeryToken]
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// public async Task<IActionResult> Create([Bind("Id,CompanyId,Year,Guid")] CompanyLogo companyLogo)
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// {
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// if (ModelState.IsValid)
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// {
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// _context.Add(companyLogo);
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// await _context.SaveChangesAsync();
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// return RedirectToAction(nameof(Index));
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// }
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// ViewData["CompanyId"] = new SelectList(_context.Companies, "Id", "Name", companyLogo.CompanyId);
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// return View(companyLogo);
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// }
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[HttpPost]
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[ValidateAntiForgeryToken]
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public async Task<IActionResult> Create([Bind("Id,CompanyId,Year,SvgLogo")] CompanyLogo companyLogo)
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{
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if(!ModelState.IsValid)
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{
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ViewData["CompanyId"] =
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new
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SelectList(_context.Companies.Select(c => new CompanyViewModel {Name = c.Name, Id = c.Id}).OrderBy(c => c.Name),
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"Id", "Name", companyLogo.CompanyId);
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return View(companyLogo);
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}
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using(MemoryStream svgMs = new MemoryStream())
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{
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await companyLogo.SvgLogo.CopyToAsync(svgMs);
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svgMs.Position = 0;
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try
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{
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StreamReader sr = new StreamReader(svgMs, Encoding.UTF8);
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string svgStr = await sr.ReadToEndAsync();
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XmlDocument xml = new XmlDocument();
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xml.LoadXml(svgStr);
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}
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catch(XmlException e)
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{
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companyLogo.SvgLogo = null;
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companyLogo.ErrorMessage = "Not a valid SVG file.";
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ViewData["CompanyId"] =
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new
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SelectList(_context.Companies.Select(c => new CompanyViewModel {Name = c.Name, Id = c.Id}).OrderBy(c => c.Name),
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"Id", "Name", companyLogo.CompanyId);
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return View(companyLogo);
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}
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svgMs.Position = 0;
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companyLogo.Guid = Guid.NewGuid();
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string vectorial = Path.Combine(hostingEnvironment.WebRootPath, "assets/logos",
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companyLogo.Guid + ".svg");
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if(System.IO.File.Exists(vectorial))
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{
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companyLogo.SvgLogo = null;
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companyLogo.ErrorMessage = "GUID clash, please retry and report to the administrator.";
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ViewData["CompanyId"] =
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new
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SelectList(_context.Companies.Select(c => new CompanyViewModel {Name = c.Name, Id = c.Id}).OrderBy(c => c.Name),
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"Id", "Name", companyLogo.CompanyId);
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return View(companyLogo);
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}
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FileStream outSvg = new FileStream(vectorial, FileMode.CreateNew);
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await svgMs.CopyToAsync(outSvg);
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svgMs.Position = 0;
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SKSvg svg = null;
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try
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{
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foreach(string format in new[] {"png", "webp"})
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{
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if(!Directory.Exists(Path.Combine(hostingEnvironment.WebRootPath, "assets/logos", format))) ;
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Directory.CreateDirectory(Path.Combine(hostingEnvironment.WebRootPath, "assets/logos", format));
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SKEncodedImageFormat skFormat;
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switch(format)
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{
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case "webp":
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skFormat = SKEncodedImageFormat.Webp;
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break;
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default:
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skFormat = SKEncodedImageFormat.Png;
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break;
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}
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foreach(int multiplier in new[] {1, 2, 3})
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{
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if(!Directory.Exists(Path.Combine(hostingEnvironment.WebRootPath, "assets/logos", format,
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$"{multiplier}x"))) ;
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Directory.CreateDirectory(Path.Combine(hostingEnvironment.WebRootPath, "assets/logos",
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format, $"{multiplier}x"));
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string rendered = Path.Combine(hostingEnvironment.WebRootPath, "assets/logos", format,
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$"{multiplier}x", companyLogo.Guid + $".{format}");
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if(System.IO.File.Exists(rendered))
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{
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companyLogo.SvgLogo = null;
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companyLogo.ErrorMessage = "GUID clash, please retry and report to the administrator.";
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ViewData["CompanyId"] =
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new
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SelectList(_context.Companies.Select(c => new CompanyViewModel {Name = c.Name, Id = c.Id}).OrderBy(c => c.Name),
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"Id", "Name", companyLogo.CompanyId);
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return View(companyLogo);
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}
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Console.WriteLine("Rendering {0}", rendered);
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if(svg == null)
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{
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svg = new SKSvg();
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svg.Load(svgMs);
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}
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SKRect svgSize = svg.Picture.CullRect;
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SKMatrix matrix = SKMatrix.MakeScale(multiplier, multiplier);
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SKBitmap bitmap = new SKBitmap((int)(svgSize.Width * multiplier),
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(int)(svgSize.Height * multiplier));
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SKCanvas canvas = new SKCanvas(bitmap);
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canvas.DrawPicture(svg.Picture, ref matrix);
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canvas.Flush();
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SKImage image = SKImage.FromBitmap(bitmap);
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SKData data = image.Encode(skFormat, 100);
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FileStream outfs = new FileStream(rendered, FileMode.CreateNew);
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data.SaveTo(outfs);
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outfs.Close();
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svgMs.Position = 0;
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}
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}
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foreach(string format in new[] {"png", "webp"})
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{
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if(!Directory.Exists(Path.Combine(hostingEnvironment.WebRootPath, "assets/logos/thumbs",
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format))) ;
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Directory.CreateDirectory(Path.Combine(hostingEnvironment.WebRootPath, "assets/logos/thumbs",
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format));
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SKEncodedImageFormat skFormat;
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switch(format)
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{
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case "webp":
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skFormat = SKEncodedImageFormat.Webp;
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break;
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default:
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skFormat = SKEncodedImageFormat.Png;
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break;
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}
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foreach(int multiplier in new[] {1, 2, 3})
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{
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if(!Directory.Exists(Path.Combine(hostingEnvironment.WebRootPath, "assets/logos/thumbs",
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format, $"{multiplier}x"))) ;
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Directory.CreateDirectory(Path.Combine(hostingEnvironment.WebRootPath,
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"assets/logos/thumbs", format, $"{multiplier}x"));
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string rendered = Path.Combine(hostingEnvironment.WebRootPath, "assets/logos/thumbs",
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format, $"{multiplier}x", companyLogo.Guid + $".{format}");
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if(System.IO.File.Exists(rendered))
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{
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companyLogo.SvgLogo = null;
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companyLogo.ErrorMessage = "GUID clash, please retry and report to the administrator.";
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ViewData["CompanyId"] =
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new
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SelectList(_context.Companies.Select(c => new CompanyViewModel {Name = c.Name, Id = c.Id}).OrderBy(c => c.Name),
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"Id", "Name", companyLogo.CompanyId);
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return View(companyLogo);
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}
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Console.WriteLine("Rendering {0}", rendered);
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if(svg == null)
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{
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svg = new SKSvg();
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svg.Load(svgMs);
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}
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SKRect svgSize = svg.Picture.CullRect;
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float svgMax = Math.Max(svgSize.Width, svgSize.Height);
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float canvasMin = 32 * multiplier;
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float scale = canvasMin / svgMax;
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SKMatrix matrix = SKMatrix.MakeScale(scale, scale);
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SKBitmap bitmap =
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new SKBitmap((int)(svgSize.Width * scale), (int)(svgSize.Height * scale));
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SKCanvas canvas = new SKCanvas(bitmap);
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canvas.DrawPicture(svg.Picture, ref matrix);
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canvas.Flush();
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SKImage image = SKImage.FromBitmap(bitmap);
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SKData data = image.Encode(skFormat, 100);
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FileStream outfs = new FileStream(rendered, FileMode.CreateNew);
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data.SaveTo(outfs);
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outfs.Close();
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svgMs.Position = 0;
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}
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}
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}
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catch(IOException e)
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{
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Console.WriteLine(e);
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throw;
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}
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}
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_context.Add(companyLogo);
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await _context.SaveChangesAsync();
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return RedirectToAction(nameof(Index));
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}
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// GET: CompanyLogos/Edit/5
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public async Task<IActionResult> Edit(int? id)
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