Allow human answers

MyApp.ServiceInterface/Data/AppConfig.cs

@@ -23,6 +23,12 @@ public ApplicationUser GetApplicationUser(string model)
         return user ?? DefaultUser;
     }
 
+    public string GetUserName(string model)
+    {
+        var user = ModelUsers.FirstOrDefault(x => x.Model == model || x.UserName == model);
+        return user?.UserName ?? model;
+    }
+
     private long nextPostId = -1;
     public void SetInitialPostId(long initialValue) => this.nextPostId = initialValue;
     public long LastPostId => Interlocked.Read(ref nextPostId);

MyApp.ServiceInterface/Data/QuestionsProvider.cs

@@ -75,18 +75,25 @@ public static string GetModelAnswerPath(int id, string model)
         return path;
     }
 
+    public static string GetHumanAnswerPath(int id, string userName)
+    {
+        var (dir1, dir2, fileId) = id.ToFileParts();
+        var path = $"{dir1}/{dir2}/{fileId}.h.{userName}.json";
+        return path;
+    }
+
     public static string GetMetaPath(int id)
     {
         var (dir1, dir2, fileId) = id.ToFileParts();
         var path = $"{dir1}/{dir2}/{fileId}.meta.json";
         return path;
     }
 
-    public async Task SaveFileAsync(string file, string contents)
+    public async Task SaveFileAsync(string virtualPath, string contents)
     {
         await Task.WhenAll(
-            fs.WriteFileAsync(file, contents),
-            r2.WriteFileAsync(file, contents));
+            r2.WriteFileAsync(virtualPath, contents),
+            fs.WriteFileAsync(virtualPath, contents));
     }
 
     public async Task WriteMetaAsync(Meta meta)
@@ -130,13 +137,31 @@ public async Task SaveQuestionAsync(Post post)
         await SaveFileAsync(GetQuestionPath(post.Id), ToJson(post));
     }
 
-    public async Task SaveAnswerAsync(int postId, string model, string json)
+    public async Task SaveModelAnswerAsync(int postId, string model, string json)
     {
         await SaveFileAsync(GetModelAnswerPath(postId, model), json);
     }
 
+    public async Task SaveHumanAnswerAsync(Post post)
+    {
+        await SaveFileAsync(GetHumanAnswerPath(
+            post.ParentId ?? throw new ArgumentNullException(nameof(Post.ParentId)), 
+            post.CreatedBy ?? throw new ArgumentNullException(nameof(Post.CreatedBy))), 
+            ToJson(post));
+    }
+
+    public async Task SaveHumanAnswerAsync(int postId, string userName, string json)
+    {
+        await SaveFileAsync(GetHumanAnswerPath(postId, userName), json);
+    }
+
     public async Task SaveLocalFileAsync(string virtualPath, string contents)
     {
         await fs.WriteFileAsync(virtualPath, contents);
     }
+
+    public async Task SaveRemoteFileAsync(string virtualPath, string contents)
+    {
+        await r2.WriteFileAsync(virtualPath, contents);
+    }
 }

MyApp.ServiceInterface/Data/RendererCache.cs

@@ -0,0 +1,91 @@
+using ServiceStack;
+using ServiceStack.IO;
+
+namespace MyApp.Data;
+
+public class RendererCache(AppConfig appConfig, R2VirtualFiles r2)
+{
+    private static bool DisableCache = true;
+
+    public string GetCachedQuestionPostPath(int id) => appConfig.CacheDir.CombineWith(GetQuestionPostVirtualPath(id));
+
+    public string GetQuestionPostVirtualPath(int id)
+    {
+        var idParts = id.ToFileParts();
+        var fileName = $"{idParts.fileId}.QuestionPost.html";
+        var dirPath = $"{idParts.dir1}/{idParts.dir2}";
+        var filePath = $"{dirPath}/{fileName}";
+        return filePath;
+    }
+
+    public async Task<string?> GetQuestionPostHtmlAsync(int id)
+    {
+        if (DisableCache)
+            return null;
+        var filePath = GetCachedQuestionPostPath(id);
+        if (File.Exists(filePath))
+            return await File.ReadAllTextAsync(filePath);
+        return null;
+    }
+
+    public void DeleteCachedQuestionPostHtml(int id)
+    {
+        try
+        {
+            File.Delete(GetCachedQuestionPostPath(id));
+        }
+        catch {}
+    }
+
+    public async Task SetQuestionPostHtmlAsync(int id, string? html)
+    {
+        if (DisableCache)
+            return;
+        if (!string.IsNullOrEmpty(html))
+            throw new ArgumentNullException(html);
+
+        var (dir1, dir2, fileId) = id.ToFileParts();
+        appConfig.CacheDir.CombineWith($"{dir1}/{dir2}").AssertDir();
+        var filePath = GetCachedQuestionPostPath(id);
+        await File.WriteAllTextAsync(filePath, html);
+    }
+
+    private string GetHtmlTabFilePath(string? tab)
+    {
+        var partialName = string.IsNullOrEmpty(tab)
+            ? ""
+            : $".{tab}";
+        var filePath = appConfig.CacheDir.CombineWith($"HomeTab{partialName}.html");
+        return filePath;
+    }
+
+    static TimeSpan HomeTabValidDuration = TimeSpan.FromMinutes(5);
+
+    public async Task SetHomeTabHtmlAsync(string? tab, string html)
+    {
+        if (DisableCache)
+            return;
+        appConfig.CacheDir.AssertDir();
+        var filePath = GetHtmlTabFilePath(tab);
+        await File.WriteAllTextAsync(filePath, html);
+    }
+
+    public async Task<string?> GetHomeTabHtmlAsync(string? tab)
+    {
+        if (DisableCache)
+            return null;
+        var filePath = GetHtmlTabFilePath(tab);
+        var fileInfo = new FileInfo(filePath);
+        if (fileInfo.Exists)
+        {
+            if (DateTime.UtcNow - fileInfo.LastWriteTimeUtc > HomeTabValidDuration)
+                return null;
+
+            var html = await fileInfo.ReadAllTextAsync();
+            if (!string.IsNullOrEmpty(html))
+                return html;
+        }
+
+        return null;
+    }
+}

MyApp.ServiceInterface/QuestionServices.cs

@@ -4,7 +4,7 @@
 
 namespace MyApp.ServiceInterface;
 
-public class QuestionServices(AppConfig appConfig, QuestionsProvider questions) : Service
+public class QuestionServices(AppConfig appConfig, QuestionsProvider questions, RendererCache rendererCache) : Service
 {
     public async Task<object> Any(AskQuestion request)
     {
@@ -16,9 +16,7 @@ public async Task<object> Any(AskQuestion request)
         if (tags.Count > 5)
             throw new ArgumentException("Maximum of 5 tags allowed", nameof(request.Tags));
 
-        var userName = Request.GetClaimsPrincipal().GetUserName()
-            ?? throw new ArgumentNullException(nameof(ApplicationUser.UserName));
-
+        var userName = GetUserName();
         var now = DateTime.UtcNow;
         var post = new Post
         {
@@ -59,6 +57,26 @@ public async Task<object> Any(AskQuestion request)
         };
     }
 
+    public async Task<object> Any(AnswerQuestion request)
+    {
+        var userName = GetUserName();
+        var now = DateTime.UtcNow;
+        var post = new Post
+        {
+            ParentId = request.PostId,
+            Summary = request.Body.StripHtml().SubstringWithEllipsis(0,200),
+            CreationDate = now,
+            CreatedBy = userName,
+            LastActivityDate = now,
+            Body = request.Body,
+            RefId = request.RefId,
+        };
+
+        await questions.SaveHumanAnswerAsync(post);
+        rendererCache.DeleteCachedQuestionPostHtml(post.Id);
+        return new AnswerQuestionResponse();
+    }
+
     public async Task<object> Any(GetQuestionFile request)
     {
         var questionFiles = await questions.GetQuestionFilesAsync(request.Id);
@@ -95,6 +113,13 @@ public async Task Any(CreateWorkerAnswer request)
             });
         }
 
-        await questions.SaveAnswerAsync(request.PostId, request.Model, json);
+        await questions.SaveModelAnswerAsync(request.PostId, request.Model, json);
+    }
+
+    private string GetUserName()
+    {
+        var userName = Request.GetClaimsPrincipal().GetUserName()
+                       ?? throw new ArgumentNullException(nameof(ApplicationUser.UserName));
+        return userName;
     }
 }

MyApp.ServiceModel/Posts.cs

@@ -251,7 +251,7 @@ public class AskQuestion : IPost, IReturn<AskQuestionResponse>
     public required string Title { get; set; }
 
     [ValidateNotEmpty, ValidateMinimumLength(30), ValidateMaximumLength(32768)]
-    [Input(Type="MarkdownInput", Help = "Include all information required for someone to identity and resolve your exact question"), FieldCss(Field="col-span-12", Input="h-56")]
+    [Input(Type="MarkdownInput", Help = "Include all information required for someone to identity and resolve your exact question"), FieldCss(Field="col-span-12", Input="h-60")]
     public required string Body { get; set; }
 
     [ValidateNotEmpty, ValidateMinimumLength(2, Message = "At least 1 tag required"), ValidateMaximumLength(120)]
@@ -270,6 +270,26 @@ public class AskQuestionResponse
     public ResponseStatus? ResponseStatus { get; set; }
 }
 
+[ValidateIsAuthenticated]
+[Description("Your Answer")]
+public class AnswerQuestion : IPost, IReturn<AnswerQuestionResponse>
+{
+    [Input(Type="hidden")]
+    [ValidateGreaterThan(0)]
+    public int PostId { get; set; }
+
+    [ValidateNotEmpty, ValidateMinimumLength(30), ValidateMaximumLength(32768)]
+    [Input(Type="MarkdownInput", Label=""), FieldCss(Field="col-span-12", Input="h-60")]
+    public required string Body { get; set; }
+
+    [Input(Type="hidden")]
+    public string? RefId { get; set; }
+}
+public class AnswerQuestionResponse
+{
+    public ResponseStatus? ResponseStatus { get; set; }
+}
+
 public class PreviewMarkdown : IPost, IReturn<string>
 {
     public string Markdown { get; set; }

MyApp.ServiceModel/Stats.cs

@@ -114,6 +114,7 @@ public class DbWrites
 {
     public Vote? RecordPostVote { get; set; }
     public Post? CreatePost { get; set; }
+    public Post? UpdatePost { get; set; }
     public List<PostJob>? CreatePostJobs { get; set; }
     public StartJob? StartJob { get; set; }
     public int? AnswerAddedToPost { get; set; }

MyApp/Components/Pages/Questions/Question.razor

@@ -18,6 +18,10 @@
         else if (question?.Post?.Title != null)
         {
             <QuestionPost Question="question"/>
+            @if (question.Answers.All(x => x.Model != HttpContext.GetUserName()))
+            {
+                <div class="mb-20" data-component="pages/Questions/Answer.mjs" data-props="{id:@question.Id}"></div>
+            }
         }
         else
         {
@@ -35,6 +39,7 @@
     </div>
     <Aside/>
 </div>
+<LiteYoutubeIncludes />
 
 @code {
     [CascadingParameter]

MyApp/Components/Shared/Footer.razor

@@ -1,4 +1,4 @@
-<footer class="bg-accent-1 dark:bg-black border-t border-accent-2 dark:border-gray-600">
+<footer id="footer" class="bg-accent-1 dark:bg-black border-t border-accent-2 dark:border-gray-600">
 
     <nav class="pt-8 columns-2 sm:flex sm:justify-center sm:space-x-12 text-center sm:text-left" aria-label="Footer">
         <div class="pb-6">

MyApp/Components/Shared/LiteYoutubeIncludes.razor

@@ -0,0 +1,2 @@
+<link rel="stylesheet" href="css/lite-yt-embed.css">
+<script src="lib/js/lite-yt-embed.js"></script>

MyApp/Components/Shared/QuestionPost.razor

@@ -31,7 +31,7 @@
             @if (Question.Post.CreatedBy != null)
             {
                 <div class="flex mr-4">
-                    <img id="user-avatar" class="h-6 w-6 sm:h-8 sm:w-8 rounded-full bg-contain" src="/avatar/@Question.Post.CreatedBy" alt=@($"{Question.Post.CreatedBy} avatar")>
+                    <img class="h-6 w-6 sm:h-8 sm:w-8 rounded-full bg-contain" src="/avatar/@Question.Post.CreatedBy" alt=@($"{Question.Post.CreatedBy} avatar")>
                     <div>
                         <b class="ml-2">@Question.Post.CreatedBy</b>
                     </div>
@@ -89,10 +89,13 @@
         }
     </article>
 
-    <div class="mt-16">
-        <h3 class="text-2xl font-semibold">
-            @Question.Answers.Count Answers
-        </h3>
+    <div id="answers" class="mt-16">
+        @if (@Question.Answers.Count > 0)
+        {
+            <h3 class="text-2xl font-semibold">
+                @Question.Answers.Count Answers
+            </h3>
+        }
         <div>
             @foreach (var answer in Question.Answers)
             {
@@ -105,11 +108,11 @@
                                 <svg class="down w-6 h-6 sm:w-10 sm:h-10 cursor-pointer select-none hover:text-green-600" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="currentColor" d="M21.886 5.536A1.002 1.002 0 0 0 21 5H3a1.002 1.002 0 0 0-.822 1.569l9 13a.998.998 0 0 0 1.644 0l9-13a.998.998 0 0 0 .064-1.033M12 17.243L4.908 7h14.184z"/></svg>
                             </div>
                             @{
-                                var user = AppConfig.GetApplicationUser(answer.Model);
+                                var userName = AppConfig.GetUserName(answer.Model);
                             }
                             <div class="mt-8 flex flex-col items-center">
-                                <img class="w-10 h-10 xl:w-20 xl:h-20 bg-cover inline-block" src="@user.UserName.GetAvatarUrl()">
-                                <div class="hidden md:block text-center whitespace-nowrap text-xs xl:text-sm font-semibold">@user.UserName</div>
+                                <img class="w-10 h-10 xl:w-20 xl:h-20 bg-cover inline-block" src="@userName.GetAvatarUrl()">
+                                <div class="hidden md:block text-center whitespace-nowrap text-xs xl:text-sm font-semibold">@userName</div>
                             </div>
                         </div>
                         <div class="xl:flex-grow prose">