add: 渲染前处理器和渲染后处理器
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10
YaeBlog.Core/Abstractions/IPostRenderProcessor.cs
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10
YaeBlog.Core/Abstractions/IPostRenderProcessor.cs
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using YaeBlog.Core.Models;
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namespace YaeBlog.Core.Abstractions;
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public interface IPostRenderProcessor
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{
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BlogEssay Process(BlogEssay essay);
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string Name { get; }
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}
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10
YaeBlog.Core/Abstractions/IPreRenderProcessor.cs
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10
YaeBlog.Core/Abstractions/IPreRenderProcessor.cs
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using YaeBlog.Core.Models;
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namespace YaeBlog.Core.Abstractions;
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public interface IPreRenderProcessor
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{
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BlogContent Process(BlogContent content);
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string Name { get; }
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}
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47
YaeBlog.Core/Extensions/BlogApplicationBuilderExtension.cs
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47
YaeBlog.Core/Extensions/BlogApplicationBuilderExtension.cs
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using Markdig;
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using Microsoft.AspNetCore.Builder;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.DependencyInjection;
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using YaeBlog.Core.Builder;
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using YaeBlog.Core.Models;
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using YaeBlog.Core.Services;
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using YamlDotNet.Serialization;
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using YamlDotNet.Serialization.NamingConventions;
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namespace YaeBlog.Core.Extensions;
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public static class BlogApplicationBuilderExtension
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{
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internal static void ConfigureBlogApplication(this BlogApplicationBuilder builder)
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{
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builder.Configuration.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true);
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builder.Configuration.AddJsonFile($"appsettings.{builder.Environment.EnvironmentName}.json",
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optional: true, reloadOnChange: true);
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builder.Configuration.AddEnvironmentVariables();
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builder.Services.Configure<BlogOptions>(
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builder.Configuration.GetSection(BlogOptions.OptionName));
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builder.YamlDeserializerBuilder.WithNamingConvention(CamelCaseNamingConvention.Instance);
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builder.YamlDeserializerBuilder.IgnoreUnmatchedProperties();
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builder.Services.AddSingleton<MarkdownPipeline>(
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_ => builder.MarkdigPipelineBuilder.Build());
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builder.Services.AddSingleton<IDeserializer>(
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_ => builder.YamlDeserializerBuilder.Build());
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builder.Services.AddHostedService<BlogHostedService>();
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builder.Services.AddSingleton<EssayScanService>();
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builder.Services.AddSingleton<RendererService>();
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builder.Services.AddSingleton<EssayContentService>();
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}
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public static void ConfigureWebApplication(this BlogApplicationBuilder builder,
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Action<WebApplicationBuilder> configureWebApplicationBuilder,
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Action<WebApplication> configureWebApplication)
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{
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builder.Services.AddHostedService<WebApplicationHostedService>(provider =>
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new WebApplicationHostedService(configureWebApplicationBuilder,
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configureWebApplication, provider));
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}
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}
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@ -1,47 +1,29 @@
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using Markdig;
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using Microsoft.AspNetCore.Builder;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.DependencyInjection;
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using YaeBlog.Core.Abstractions;
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using YaeBlog.Core.Builder;
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using YaeBlog.Core.Models;
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using YaeBlog.Core.Services;
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using YamlDotNet.Serialization;
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using YamlDotNet.Serialization.NamingConventions;
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namespace YaeBlog.Core.Extensions;
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public static class BlogApplicationExtension
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{
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internal static void ConfigureBlogApplication(this BlogApplicationBuilder builder)
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public static void UsePreRenderProcessor<T>(this BlogApplication application)
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where T : IPreRenderProcessor
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{
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builder.Configuration.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true);
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builder.Configuration.AddJsonFile($"appsettings.{builder.Environment.EnvironmentName}.json",
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optional: true, reloadOnChange: true);
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builder.Configuration.AddEnvironmentVariables();
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builder.Services.Configure<BlogOptions>(
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builder.Configuration.GetSection(BlogOptions.OptionName));
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builder.YamlDeserializerBuilder.WithNamingConvention(CamelCaseNamingConvention.Instance);
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builder.YamlDeserializerBuilder.IgnoreUnmatchedProperties();
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builder.Services.AddSingleton<MarkdownPipeline>(
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_ => builder.MarkdigPipelineBuilder.Build());
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builder.Services.AddSingleton<IDeserializer>(
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_ => builder.YamlDeserializerBuilder.Build());
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builder.Services.AddHostedService<BlogHostedService>();
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builder.Services.AddSingleton<EssayScanService>();
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builder.Services.AddSingleton<RendererService>();
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builder.Services.AddSingleton<EssayContentService>();
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RendererService rendererService =
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application.Services.GetRequiredService<RendererService>();
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T preRenderProcessor =
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application.Services.GetRequiredService<T>();
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rendererService.AddPreRenderProcessor(preRenderProcessor);
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}
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public static void ConfigureWebApplication(this BlogApplicationBuilder builder,
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Action<WebApplicationBuilder> configureWebApplicationBuilder,
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Action<WebApplication> configureWebApplication)
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public static void UsePostRenderProcessor<T>(this BlogApplication application)
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where T : IPostRenderProcessor
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{
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builder.Services.AddHostedService<WebApplicationHostedService>(provider =>
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new WebApplicationHostedService(configureWebApplicationBuilder,
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configureWebApplication, provider));
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RendererService rendererService =
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application.Services.GetRequiredService<RendererService>();
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T postRenderProcessor =
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application.Services.GetRequiredService<T>();
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rendererService.AddPostRenderProcessor(postRenderProcessor);
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}
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}
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@ -1,6 +1,8 @@
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using System.Diagnostics;
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using System.Collections.Concurrent;
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using System.Diagnostics;
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using Markdig;
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using Microsoft.Extensions.Logging;
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using YaeBlog.Core.Abstractions;
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using YaeBlog.Core.Exceptions;
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using YaeBlog.Core.Models;
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using YamlDotNet.Core;
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@ -16,18 +18,23 @@ public class RendererService(ILogger<RendererService> logger,
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{
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private readonly Stopwatch _stopwatch = new();
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private readonly List<IPreRenderProcessor> _preRenderProcessors = [];
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private readonly List<IPostRenderProcessor> _postRenderProcessors = [];
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public async Task RenderAsync()
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{
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_stopwatch.Start();
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logger.LogInformation("Render essays start.");
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List<BlogContent> contents = await essayScanService.ScanAsync();
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IEnumerable<BlogContent> preProcessedContents =
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PreProcess(contents);
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List<BlogEssay> essays = [];
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await Task.Run(() =>
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{
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foreach (BlogContent content in contents)
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foreach (BlogContent content in preProcessedContents)
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{
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MarkdownMetadata? metadata = TryParseMetadata(content);
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BlogEssay essay = new()
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@ -46,6 +53,7 @@ public class RendererService(ILogger<RendererService> logger,
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}
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});
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ConcurrentBag<BlogEssay> postProcessEssays = [];
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Parallel.ForEach(essays, essay =>
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{
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@ -58,19 +66,79 @@ public class RendererService(ILogger<RendererService> logger,
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};
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newEssay.Tags.AddRange(essay.Tags);
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if (!essayContentService.TryAdd(newEssay.FileName, newEssay))
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{
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throw new BlogFileException(
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$"There are two essays with the same name: '{newEssay.FileName}'.");
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}
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postProcessEssays.Add(newEssay);
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logger.LogDebug("Render markdown file {}.", newEssay);
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});
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PostProcess(postProcessEssays);
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_stopwatch.Stop();
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logger.LogInformation("Render finished, consuming {} s.",
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_stopwatch.Elapsed.ToString("s\\.fff"));
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}
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public void AddPreRenderProcessor(IPreRenderProcessor processor)
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{
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bool exist = _preRenderProcessors.Any(p => p.Name == processor.Name);
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if (exist)
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{
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throw new InvalidOperationException("There exists one pre-render processor " +
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$"with the same name: {processor.Name}.");
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}
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_preRenderProcessors.Add(processor);
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}
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public void AddPostRenderProcessor(IPostRenderProcessor processor)
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{
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bool exist = _postRenderProcessors.Any(p => p.Name == processor.Name);
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if (exist)
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{
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throw new InvalidCastException("There exists one post-render processor " +
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$"with the same name: {processor.Name}.");
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}
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_postRenderProcessors.Add(processor);
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}
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private IEnumerable<BlogContent> PreProcess(IEnumerable<BlogContent> contents)
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{
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ConcurrentBag<BlogContent> processedContents = [];
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Parallel.ForEach(contents, content =>
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{
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foreach (IPreRenderProcessor processor in _preRenderProcessors)
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{
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content = processor.Process(content);
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}
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processedContents.Add(content);
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});
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return processedContents;
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}
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private void PostProcess(IEnumerable<BlogEssay> essays)
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{
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Parallel.ForEach(essays, essay =>
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{
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foreach (IPostRenderProcessor processor in _postRenderProcessors)
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{
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essay = processor.Process(essay);
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}
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if (!essayContentService.TryAdd(essay.FileName, essay))
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{
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throw new BlogFileException(
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$"There are two essays with the same name: '{essay.FileName}'.");
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}
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logger.LogDebug("Post-Process essay: {}.", essay);
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});
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}
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private MarkdownMetadata? TryParseMetadata(BlogContent content)
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{
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string fileContent = content.FileContent.Trim();
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