From 2e0de815170e456ba091f93681dfb8a48a699c01 Mon Sep 17 00:00:00 2001
From: jackfiled <xcrenchangjun@outlook.com>
Date: Mon, 29 Jul 2024 22:04:28 +0800
Subject: [PATCH] =?UTF-8?q?add:=20=E9=A2=84=E8=AE=A1=E9=98=85=E8=AF=BB?=
 =?UTF-8?q?=E6=97=B6=E9=97=B4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 YaeBlog.Core/Models/BlogEssay.cs         |  3 +++
 YaeBlog.Core/Services/RendererService.cs | 19 ++++++++++++++++---
 YaeBlog/Pages/Essays.razor               |  2 +-
 3 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/YaeBlog.Core/Models/BlogEssay.cs b/YaeBlog.Core/Models/BlogEssay.cs
index 5e41f02..b8e60b6 100644
--- a/YaeBlog.Core/Models/BlogEssay.cs
+++ b/YaeBlog.Core/Models/BlogEssay.cs
@@ -12,6 +12,8 @@ public class BlogEssay : IComparable<BlogEssay>
 
     public required uint WordCount { get; init; }
 
+    public required string ReadTime { get; init; }
+
     public List<string> Tags { get; } = [];
 
     public required string HtmlContent { get; init; }
@@ -25,6 +27,7 @@ public class BlogEssay : IComparable<BlogEssay>
             PublishTime = PublishTime,
             Description = Description,
             WordCount = WordCount,
+            ReadTime = ReadTime,
             HtmlContent = newHtmlContent
         };
         essay.Tags.AddRange(Tags);
diff --git a/YaeBlog.Core/Services/RendererService.cs b/YaeBlog.Core/Services/RendererService.cs
index be69f7e..3195efb 100644
--- a/YaeBlog.Core/Services/RendererService.cs
+++ b/YaeBlog.Core/Services/RendererService.cs
@@ -12,7 +12,8 @@ using YamlDotNet.Serialization;
 
 namespace YaeBlog.Core.Services;
 
-public partial class RendererService(ILogger<RendererService> logger,
+public partial class RendererService(
+    ILogger<RendererService> logger,
     EssayScanService essayScanService,
     MarkdownPipeline markdownPipeline,
     IDeserializer yamlDeserializer,
@@ -38,12 +39,14 @@ public partial class RendererService(ILogger<RendererService> logger,
             foreach (BlogContent content in preProcessedContents)
             {
                 MarkdownMetadata? metadata = TryParseMetadata(content);
+                uint wordCount = GetWordCount(content);
                 BlogEssay essay = new()
                 {
                     Title = metadata?.Title ?? content.FileName,
                     FileName = content.FileName,
                     Description = GetDescription(content),
-                    WordCount = GetWordCount(content),
+                    WordCount = wordCount,
+                    ReadTime = CalculateReadTime(wordCount),
                     PublishTime = metadata?.Date ?? DateTime.Now,
                     HtmlContent = content.FileContent
                 };
@@ -52,6 +55,7 @@ public partial class RendererService(ILogger<RendererService> logger,
                 {
                     essay.Tags.AddRange(metadata.Tags);
                 }
+
                 essays.Add(essay);
             }
         });
@@ -217,7 +221,7 @@ public partial class RendererService(ILogger<RendererService> logger,
         foreach (char c in content.FileContent)
         {
             if (char.IsControl(c) || char.IsSymbol(c)
-                || char.IsSeparator(c))
+                                  || char.IsSeparator(c))
             {
                 continue;
             }
@@ -229,4 +233,13 @@ public partial class RendererService(ILogger<RendererService> logger,
             count);
         return count;
     }
+
+    private static string CalculateReadTime(uint wordCount)
+    {
+        // 据说语文教学大纲规定，中国高中问阅读现代文的速度是600字每分钟
+        int second = (int)wordCount / 10;
+        TimeSpan span = new TimeSpan(0, 0, second);
+
+        return span.ToString("mm'分 'ss'秒'");
+    }
 }
diff --git a/YaeBlog/Pages/Essays.razor b/YaeBlog/Pages/Essays.razor
index 84adb50..0a05d69 100644
--- a/YaeBlog/Pages/Essays.razor
+++ b/YaeBlog/Pages/Essays.razor
@@ -32,7 +32,7 @@
 
     <div class="row px-4 py-1">
         <div class="col-auto fw-light">
-            总字数：@(_essay!.WordCount)字。
+            总字数：@(_essay!.WordCount)字，预计阅读时间 @(_essay!.ReadTime)。
         </div>
     </div>