Throw DocumentNotFoundException when file not exists

modules/docs/src/Volo.Docs.Domain/Volo/Docs/FileSystem/Documents/FileSystemDocumentSource.cs

@@ -87,6 +87,11 @@ namespace Volo.Docs.FileSystem.Documents
             {
                 throw new SecurityException("Can not get a resource file out of the project folder!");
             }
+
+            if (!File.Exists(path))
+            {
+                throw new DocumentNotFoundException(path);
+            }
         }
     }
 }

modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml

@@ -371,7 +371,8 @@ else
                   RedirectUrl = Model.DocumentsUrlPrefix + Model.LanguageCode + "/" + Model.ProjectName + "/"
                                 + (Model.LatestVersionInfo.IsSelected ? DocsAppConsts.Latest : Model.Version),
                   ErrorCode =  "404",
-                  ErrorMessage = L.GetString("DocumentNotFound")
+                  ErrorMessage = L.GetString("DocumentNotFound"),
+                  AutoRedirect =  !Model.DocumentName.IsNullOrWhiteSpace()
               }
           }))
     }

modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml.cs

@@ -34,7 +34,7 @@ namespace Volo.Docs.Pages.Documents.Project
         public string LanguageCode { get; set; }
 
         public bool DocumentFound { get; set; } = true;
-        
+
         public bool ProjectFound { get; set; } = true;
 
         public bool LoadSuccess => DocumentFound && ProjectFound;
@@ -347,43 +347,13 @@ namespace Volo.Docs.Pages.Documents.Project
 
             try
             {
-                if (DocumentName.IsNullOrWhiteSpace())
+                Document = await GetSpecificDocumentOrDefaultAsync(LanguageCode);
-                {
-                    Document = await _documentAppService.GetDefaultAsync(
-                        new GetDefaultDocumentInput
-                        {
-                            ProjectId = Project.Id,
-                            LanguageCode = LanguageCode,
-                            Version = Version
-                        }
-                    );
-                }
-                else
-                {
-                    Document = await _documentAppService.GetAsync(
-                        new GetDocumentInput
-                        {
-                            ProjectId = Project.Id,
-                            Name = DocumentNameWithExtension,
-                            LanguageCode = LanguageCode,
-                            Version = Version
-                        }
-                    );
-                }
             }
             catch (DocumentNotFoundException)
             {
                 if (LanguageCode != DefaultLanguageCode)
                 {
-                    Document = await _documentAppService.GetAsync(
+                    Document = await GetSpecificDocumentOrDefaultAsync(DefaultLanguageCode);
-                        new GetDocumentInput
-                        {
-                            ProjectId = Project.Id,
-                            Name = DocumentNameWithExtension,
-                            LanguageCode = DefaultLanguageCode,
-                            Version = Version
-                        }
-                    );
 
                     DocumentLanguageIsDifferent = true;
                 }
@@ -545,6 +515,33 @@ namespace Volo.Docs.Pages.Documents.Project
 
         }
 
+        private async Task<DocumentWithDetailsDto> GetSpecificDocumentOrDefaultAsync(string languageCode)
+        {
+            if (DocumentName.IsNullOrWhiteSpace())
+            {
+                return await _documentAppService.GetDefaultAsync(
+                    new GetDefaultDocumentInput
+                    {
+                        ProjectId = Project.Id,
+                        LanguageCode = languageCode,
+                        Version = Version
+                    }
+                );
+            }
+            else
+            {
+                return await _documentAppService.GetAsync(
+                    new GetDocumentInput
+                    {
+                        ProjectId = Project.Id,
+                        Name = DocumentNameWithExtension,
+                        LanguageCode = languageCode,
+                        Version = Version
+                    }
+                );
+            }
+        }
+
         public async Task SetDocumentPreferencesAsync()
         {
             var projectParameters = await _documentAppService.GetParametersAsync(
@@ -604,7 +601,7 @@ namespace Volo.Docs.Pages.Documents.Project
             {
                 return null;
             }
-            
+
             var firstParagraph = new Regex(@"<p>(.*?)</p>", RegexOptions.IgnoreCase);
             var match = firstParagraph.Match(Document.Content);
             if (!match.Success)

modules/docs/src/Volo.Docs.Web/Pages/Documents/Shared/ErrorComponent/Default.cshtml

@@ -3,14 +3,17 @@
 }
 <div class="row position-relative vh-100" style="background: #e8e8e8;">
     <div class="center" id="DocumentErrorContainer">
-        <span class="notfound-@Model.ErrorCode">@Model.ErrorCode</span> 
+        <span class="notfound-@Model.ErrorCode">@Model.ErrorCode</span>
         <h1>
             @Model.ErrorMessage
         </h1>
-        <br />
+        <br/>
-        <a href="@(Model.RedirectUrl)" class="btn btn-primary px-4" id="ErrorRedirect">
+        @if (Model.AutoRedirect)
-            Go Back <span id="ErrorRedirectSeconds">(3)</span>
+        {
-        </a>
+            <a href="@(Model.RedirectUrl)" class="btn btn-primary px-4" id="ErrorRedirect">
+                Go Back <span id="ErrorRedirectSeconds">(3)</span>
+            </a>
+        }
     </div>
 </div>
 
@@ -19,7 +22,7 @@
     h1 {
         font-size: 1.75em;
         line-height: 1.75;
-        color: #777; 
+        color: #777;
         font-weight: normal;
     }
 
@@ -36,7 +39,7 @@
         transform: translate(-50%, -50%);
         text-align: center;
     }
-    
+
     .notfound-404 {
     font-size: 300px;
     font-weight: 700;
@@ -48,5 +51,5 @@
     margin-bottom: -150px;
     z-index: -1;
     position: relative;
-    } 
+    }
-</style>
+</style>

modules/docs/src/Volo.Docs.Web/Pages/Documents/Shared/ErrorComponent/ErrorPageModel.cs

@@ -7,5 +7,7 @@
         public string ErrorCode { get; set; }
 
         public string RedirectUrl { get; set; }
+
+        public bool AutoRedirect { get; set; } = true;
     }
 }

modules/docs/src/Volo.Docs.Web/Pages/Documents/Shared/ErrorComponent/error.js

@@ -12,7 +12,7 @@
             }, 1000);
         }
 
-        if (document.getElementById("DocumentErrorContainer")) {
+        if (document.getElementById("ErrorRedirect")) {
             errorPageRedirect();
         }
     });