docs configure redirects

modules/docs/app/VoloDocs.Web/Pages/Index.cshtml.cs

@@ -18,10 +18,21 @@ namespace VoloDocs.Web.Pages
             _projectAppService = projectAppService;
         }
 
-        public async Task<IActionResult> OnGet()
+        public async Task<IActionResult> OnGetAsync()
         {
             Projects = (await _projectAppService.GetListAsync()).Items;
 
+            if (Projects.Count == 1)
+            {
+                return RedirectToPage("./Documents/Project/Index", new
+                {
+                    projectName = Projects[0].ShortName,
+                    version = DocsAppConsts.Latest,
+                    languageCode = await _projectAppService.GetDefaultLanguageCode(Projects[0].ShortName),
+                    documentName = Projects[0].DefaultDocumentName
+                });
+            }
+
             return Page();
         }
     }

modules/docs/src/Volo.Docs.Application.Contracts/Volo/Docs/Projects/IProjectAppService.cs

@@ -9,6 +9,8 @@ namespace Volo.Docs.Projects
         Task<ListResultDto<ProjectDto>> GetListAsync();
      
         Task<ProjectDto> GetAsync(string shortName);
+
+        Task<string> GetDefaultLanguageCode(string shortName);
         
         Task<ListResultDto<VersionInfoDto>> GetVersionsAsync(string shortName);
     }

modules/docs/src/Volo.Docs.Application/Volo/Docs/Projects/ProjectAppService.cs

@@ -43,6 +43,15 @@ namespace Volo.Docs.Projects
             return ObjectMapper.Map<Project, ProjectDto>(project);
         }
 
+        public async Task<string> GetDefaultLanguageCode(string shortName)
+        {
+            var project = await _projectRepository.GetByShortNameAsync(shortName);
+            var store = _documentStoreFactory.Create(project.DocumentStoreType);
+            var languageList = await store.GetLanguageListAsync(project, project.LatestVersionBranchName);
+
+            return languageList.Languages.Single(l=>l.IsDefault).Code;
+        }
+
         public async Task<ListResultDto<VersionInfoDto>> GetVersionsAsync(string shortName)
         {
             var project = await _projectRepository.GetByShortNameAsync(shortName);

modules/docs/src/Volo.Docs.HttpApi/Volo/Docs/Projects/DocsProjectController.cs

@@ -34,6 +34,13 @@ namespace Volo.Docs.Projects
             return ProjectAppService.GetAsync(shortName);
         }
 
+        [HttpGet]
+        [Route("{shortName}/defaultLanguage")]
+        public Task<string> GetDefaultLanguageCode(string shortName)
+        {
+            return ProjectAppService.GetDefaultLanguageCode(shortName);
+        }
+
         [HttpGet]
         [Route("{shortName}/versions")]
         public virtual Task<ListResultDto<VersionInfoDto>> GetVersionsAsync(string shortName)

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

@@ -17,10 +17,21 @@ namespace Volo.Docs.Pages.Documents
             _projectAppService = projectAppService;
         }
 
-        public async Task<IActionResult> OnGet()
+        public async Task<IActionResult> OnGetAsync()
         {
             var listResult = await _projectAppService.GetListAsync();
 
+            if (listResult.Items.Count == 1)
+            {
+                return RedirectToPage("./Project/Index", new
+                {
+                    projectName = listResult.Items[0].ShortName,
+                    version = DocsAppConsts.Latest,
+                    languageCode = await _projectAppService.GetDefaultLanguageCode(listResult.Items[0].ShortName),
+                    documentName = listResult.Items[0].DefaultDocumentName
+                });
+            }
+
             Projects = listResult.Items;
 
             return Page();

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

@@ -230,4 +230,3 @@
 
     </div>
 </div>
-<input hidden id="LanguageCode" value="@Model.LanguageCode" />