Moved BaseUrl from appsettings.json to Database and fixed an issue in UI for setting base url based on a hack, rather than asking backend for it. (#644)

API/Controllers/SettingsController.cs

@@ -33,6 +33,14 @@ namespace API.Controllers
             _accountService = accountService;
         }
 
+        [AllowAnonymous]
+        [HttpGet("base-url")]
+        public async Task<ActionResult<string>> GetBaseUrl()
+        {
+            var settingsDto = await _unitOfWork.SettingsRepository.GetSettingsDtoAsync();
+            return Ok(settingsDto.BaseUrl);
+        }
+
         [Authorize(Policy = "RequireAdminRole")]
         [HttpGet]
         public async Task<ActionResult<ServerSettingDto>> GetSettings()
@@ -91,8 +99,6 @@ namespace API.Controllers
                         ? $"/{updateSettingsDto.BaseUrl}"
                         : updateSettingsDto.BaseUrl;
                     setting.Value = path;
-                    // BaseUrl is managed in appSetting.json
-                    Configuration.BaseUrl = updateSettingsDto.BaseUrl;
                     _unitOfWork.SettingsRepository.Update(setting);
                 }
 

API/DTOs/Settings/ServerSettingDTO.cs

@@ -27,8 +27,8 @@
         /// </summary>
         public bool EnableAuthentication { get; set; }
         /// <summary>
-        /// Base Url for the kavita. Defaults to "/". Managed in appsettings.json.Requires restart to take effect.
+        /// Base Url for the kavita. Requires restart to take effect.
         /// </summary>
-        public string BaseUrl { get; set; } = "/";
+        public string BaseUrl { get; set; }
     }
 }

API/Data/Repositories/SettingsRepository.cs

@@ -35,6 +35,15 @@ namespace API.Data.Repositories
             return _mapper.Map<ServerSettingDto>(settings);
         }
 
+        public ServerSettingDto GetSettingsDto()
+        {
+            var settings = _context.ServerSetting
+                .Select(x => x)
+                .AsNoTracking()
+                .ToList();
+            return _mapper.Map<ServerSettingDto>(settings);
+        }
+
         public Task<ServerSetting> GetSettingAsync(ServerSettingKey key)
         {
             return _context.ServerSetting.SingleOrDefaultAsync(x => x.Key == key);

API/Data/Seed.cs

@@ -50,7 +50,7 @@ namespace API.Data
                 new () {Key = ServerSettingKey.AllowStatCollection, Value = "true"},
                 new () {Key = ServerSettingKey.EnableOpds, Value = "false"},
                 new () {Key = ServerSettingKey.EnableAuthentication, Value = "true"},
-                new () {Key = ServerSettingKey.BaseUrl, Value = ""},// Not used from DB, but DB is sync with appSettings.json
+                new () {Key = ServerSettingKey.BaseUrl, Value = "/"},
             };
 
             foreach (var defaultSetting in defaultSettings)
@@ -64,20 +64,11 @@ namespace API.Data
 
             await context.SaveChangesAsync();
 
-            if (string.IsNullOrEmpty(Configuration.BaseUrl))
-            {
-                Configuration.BaseUrl = "/";
-            }
-
             // Port and LoggingLevel are managed in appSettings.json. Update the DB values to match
             context.ServerSetting.First(s => s.Key == ServerSettingKey.Port).Value =
                 Configuration.Port + string.Empty;
             context.ServerSetting.First(s => s.Key == ServerSettingKey.LoggingLevel).Value =
                 Configuration.LogLevel + string.Empty;
-            context.ServerSetting.First(s => s.Key == ServerSettingKey.BaseUrl).Value =
-                Configuration.BaseUrl;
-
-
 
             await context.SaveChangesAsync();
 

API/Interfaces/Repositories/ISettingsRepository.cs

@@ -10,6 +10,7 @@ namespace API.Interfaces.Repositories
     {
         void Update(ServerSetting settings);
         Task<ServerSettingDto> GetSettingsDtoAsync();
+        ServerSettingDto GetSettingsDto();
         Task<ServerSetting> GetSettingAsync(ServerSettingKey key);
         Task<IEnumerable<ServerSetting>> GetSettingsAsync();
 

API/Startup.cs

@@ -5,6 +5,8 @@ using System.Linq;
 using System.Net;
 using System.Net.Sockets;
 using API.Extensions;
+using API.Interfaces;
+using API.Interfaces.Repositories;
 using API.Middleware;
 using API.Services;
 using API.Services.HostedServices;
@@ -121,7 +123,7 @@ namespace API
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
         public void Configure(IApplicationBuilder app, IBackgroundJobClient backgroundJobs, IWebHostEnvironment env,
-            IHostApplicationLifetime applicationLifetime)
+            IHostApplicationLifetime applicationLifetime, IServiceProvider serviceProvider)
         {
             app.UseMiddleware<ExceptionMiddleware>();
 
@@ -160,7 +162,9 @@ namespace API
 
             app.UseDefaultFiles();
 
-            if (!string.IsNullOrEmpty(Configuration.BaseUrl))
+            var service = serviceProvider.GetRequiredService<IUnitOfWork>();
+            var settings = service.SettingsRepository.GetSettingsDto();
+            if (!string.IsNullOrEmpty(settings.BaseUrl) && !settings.BaseUrl.Equals("/"))
             {
                 var path = !Configuration.BaseUrl.StartsWith("/")
                     ? $"/{Configuration.BaseUrl}"

UI/Web/src/app/_models/config-data.ts

@@ -0,0 +1,10 @@
+/**
+ * This is for base url only. Not to be used my applicaiton, only loading and bootstrapping app
+ */
+export class ConfigData {
+    baseUrl: string = '/';
+
+    constructor(baseUrl: string) {
+        this.baseUrl = baseUrl;
+    }
+}

UI/Web/src/app/app.module.ts

@@ -31,6 +31,8 @@ import { CardsModule } from './cards/cards.module';
 import { CollectionsModule } from './collections/collections.module';
 import { ReadingListModule } from './reading-list/reading-list.module';
 import { SAVER, getSaver } from './shared/_providers/saver.provider';
+import { ConfigData } from './_models/config-data';
+
 
 @NgModule({
   declarations: [
@@ -83,7 +85,7 @@ import { SAVER, getSaver } from './shared/_providers/saver.provider';
     {provide: HTTP_INTERCEPTORS, useClass: JwtInterceptor, multi: true},
     Title,
     {provide: SAVER, useFactory: getSaver},
-    { provide: APP_BASE_HREF, useValue: window['_app_base' as keyof Window] || '/' },
+    { provide: APP_BASE_HREF, useFactory: (config: ConfigData) => config.baseUrl, deps: [ConfigData] },
   ],
   entryComponents: [],
   bootstrap: [AppComponent]

UI/Web/src/index.html

@@ -40,9 +40,4 @@
   <app-root></app-root>
   <noscript>Please enable JavaScript to continue using this application.</noscript>
 </body>
-<script>
-  (function() {
-    window['_app_base'] = '/' + window.location.pathname.split('/')[1];
-  })();
-</script>
 </html>

UI/Web/src/main.ts

@@ -2,13 +2,21 @@ import { enableProdMode } from '@angular/core';
 import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 
 import { AppModule } from './app/app.module';
+import { ConfigData } from './app/_models/config-data';
 import { environment } from './environments/environment';
 
-
-
 if (environment.production) {
   enableProdMode();
 }
 
-platformBrowserDynamic().bootstrapModule(AppModule)
+function fetchConfig(): Promise<ConfigData> {
+  return fetch(environment.apiUrl + 'settings/base-url')
+    .then(response => response.text())
+    .then(response => new ConfigData(response));
+}
+
+fetchConfig().then(config => {
+  platformBrowserDynamic([ { provide: ConfigData, useValue: config } ])
+    .bootstrapModule(AppModule)
     .catch(err => console.error(err));
+});