mirror of https://github.com/Squidex/squidex.git
Sebastian Stehle
7 years ago
13 changed files with 201 additions and 11 deletions
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// ==========================================================================
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// Squidex Headless CMS
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// ==========================================================================
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// Copyright (c) Squidex UG (haftungsbeschraenkt)
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// All rights reserved. Licensed under the MIT license.
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// ==========================================================================
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using System.Collections.Generic; |
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using System.IO; |
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using System.Reflection; |
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using System.Text; |
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using System.Threading.Tasks; |
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using Microsoft.AspNetCore.Http; |
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namespace Squidex.Pipeline.Squid |
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{ |
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public sealed class SquidMiddleware |
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{ |
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private readonly RequestDelegate next; |
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private readonly string squidHappy = LoadSvg("happy"); |
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private readonly string squidSad = LoadSvg("sad"); |
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public SquidMiddleware(RequestDelegate next) |
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{ |
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this.next = next; |
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} |
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public async Task Invoke(HttpContext context) |
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{ |
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var request = context.Request; |
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if (request.Path.Equals("/squid.svg")) |
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{ |
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var face = "sad"; |
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if (request.Query.TryGetValue("face", out var faceValue) && (faceValue == "sad" || faceValue == "happy")) |
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{ |
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face = faceValue; |
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} |
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var isSad = face == "sad"; |
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var title = isSad ? "OH YEAR" : "OH DAMN"; |
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if (request.Query.TryGetValue("title", out var titleValue) && !string.IsNullOrWhiteSpace(titleValue)) |
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{ |
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title = titleValue; |
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} |
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var text = "text"; |
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if (request.Query.TryGetValue("text", out var textValue) && !string.IsNullOrWhiteSpace(textValue)) |
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{ |
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text = textValue; |
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} |
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var background = isSad ? "#F5F5F9" : "#4CC159"; |
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if (request.Query.TryGetValue("background", out var backgroundValue) && !string.IsNullOrWhiteSpace(backgroundValue)) |
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{ |
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background = backgroundValue; |
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} |
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var svg = isSad ? squidSad : squidHappy; |
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var (l1, l2, l3) = SplitText(text); |
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svg = svg.Replace("{{TITLE}}", title.ToUpperInvariant()); |
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svg = svg.Replace("{{TEXT1}}", l1); |
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svg = svg.Replace("{{TEXT2}}", l2); |
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svg = svg.Replace("{{TEXT3}}", l3); |
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svg = svg.Replace("[COLOR]", background); |
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context.Response.ContentType = "image/svg+xml"; |
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context.Response.Headers["Cache-Control"] = "public, max-age=604800"; |
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await context.Response.WriteAsync(svg); |
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} |
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await next(context); |
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} |
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private static (string, string, string) SplitText(string text) |
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{ |
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var result = new List<string>(); |
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var line = new StringBuilder(); |
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foreach (var word in text.Split(' ')) |
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{ |
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if (line.Length + word.Length > 17 && line.Length > 0) |
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{ |
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result.Add(line.ToString()); |
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line.Clear(); |
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} |
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if (line.Length > 0) |
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{ |
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line.Append(" "); |
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} |
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line.Append(word); |
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} |
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result.Add(line.ToString()); |
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while (result.Count < 3) |
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{ |
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result.Add(string.Empty); |
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} |
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return (result[0], result[1], result[2]); |
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} |
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private static string LoadSvg(string name) |
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{ |
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var assembly = typeof(SquidMiddleware).GetTypeInfo().Assembly; |
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using (var resourceStream = assembly.GetManifestResourceStream($"Squidex.Pipeline.Squid.icon-{name}.svg")) |
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{ |
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using (var streamReader = new StreamReader(resourceStream)) |
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{ |
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return streamReader.ReadToEnd(); |
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} |
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} |
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} |
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} |
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} |
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After Width: | Height: | Size: 4.1 KiB |
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After Width: | Height: | Size: 4.2 KiB |
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Before Width: | Height: | Size: 64 KiB |
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Before Width: | Height: | Size: 80 KiB |
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