Implement Offline Mode with IndexedDB Caching for Authentication

CleanAspire.slnx

@@ -1,6 +1,7 @@
 <Solution>
   <Folder Name="/Solution Items/">
     <File Path=".editorconfig" />
+    <File Path="README.md" />
   </Folder>
   <Folder Name="/src/">
     <Project Path="src/CleanAspire.Api/CleanAspire.Api.csproj" Id="ded5e19f-db6b-c4ee-e692-cffe0619c173" />

README.md

@@ -11,6 +11,19 @@
 
 With a focus on **Clean Architecture** and **extreme code simplicity**, CleanAspire provides developers with the tools to create responsive and maintainable web applications with minimal effort. The template also supports **Microsoft.Kiota** to simplify API client generation, ensuring consistency and productivity in every project.  
 
+### 🌐 Offline Support  
+
+CleanAspire fully supports **offline mode** through its integrated PWA capabilities, enabling your application to function seamlessly without an internet connection. By leveraging **Service Workers** and **browser caching**, the application can store essential resources and data locally, ensuring quick load times and uninterrupted access. Additionally, CleanAspire offers streamlined configuration options to help developers manage caching strategies and data synchronization effortlessly, guaranteeing that users receive the latest updates once the network is restored.
+
+**Key Features of Offline Support:**
+
+- **Service Workers Integration:** Efficiently handle caching and background synchronization to manage offline functionality.
+- **Automatic Resource Caching:** Automatically caches essential assets and API responses, ensuring critical parts of the application are accessible offline.
+- **Seamless Data Synchronization:** Maintains data consistency by synchronizing local changes with the server once the connection is reestablished.
+- **User Experience Enhancements:** Provides fallback UI components and notifications to inform users about their offline status and any pending actions.
+
+By incorporating robust offline capabilities, CleanAspire empowers developers to build resilient applications that deliver a consistent and reliable user experience, regardless of network conditions.
+
 
 ### 🔑 Key Features  
 
@@ -28,7 +41,7 @@ With a focus on **Clean Architecture** and **extreme code simplicity**, CleanAsp
 
 4. **Blazor WebAssembly and PWA Integration**  
    - Combines the power of Blazor WebAssembly for interactive and lightweight client-side UIs.  
-   - PWA capabilities ensure offline support and a seamless native-like experience.  
+   - PWA capabilities ensure offline support and a seamless native-like experience, allowing users to access the application and data even when offline.  
 
 5. **Streamlined API Client Integration**  
    - Utilizes **Microsoft.Kiota** to automatically generate strongly-typed API clients, reducing development overhead.  
@@ -40,14 +53,21 @@ With a focus on **Clean Architecture** and **extreme code simplicity**, CleanAsp
 7. **Cloud-Ready with Docker**  
    - Preconfigured for Docker, enabling easy deployment to cloud platforms or local environments.  
 
-8. **Real-Time Web Push Notifications**
-   - Integrated **Webpushr** to deliver instant browser notifications.
-   - Keeps users informed and engaged with real-time updates.
-   - Fully customizable notifications with targeted delivery and analytics support.
+8. **Real-Time Web Push Notifications**  
+   - Integrated **Webpushr** to deliver instant browser notifications.  
+   - Keeps users informed and engaged with real-time updates.  
+   - Fully customizable notifications with targeted delivery and analytics support.  
 
 9. **Integrated CI/CD Pipelines**  
    - Includes GitHub Actions workflows for automated building, testing, and deployment.  
 
+10. **Offline Mode Support**  
+    - **Offline mode enabled by default** to provide a seamless experience even without internet access.  
+    - Uses **IndexedDB** to cache data locally, allowing the application to retrieve data and function offline.  
+    - The system detects the online/offline status and fetches data from **IndexedDB** when offline, ensuring uninterrupted access to key features.  
+
+
+
 
 ### 🌟 Why Choose CleanAspire?  
 
@@ -67,7 +87,7 @@ With a focus on **Clean Architecture** and **extreme code simplicity**, CleanAsp
 version: '3.8'
 services:
   apiservice:
-    image: blazordevlab/cleanaspire-api:0.0.47
+    image: blazordevlab/cleanaspire-api:0.0.49
     environment:
       - ASPNETCORE_ENVIRONMENT=Development
       - AllowedHosts=*
@@ -88,7 +108,7 @@ services:
 
 
   webfrontend:
-    image: blazordevlab/cleanaspire-clientapp:0.0.47
+    image: blazordevlab/cleanaspire-clientapp:0.0.49
     ports:
       - "8016:80"
       - "8017:443"

src/CleanAspire.Api/CleanAspire.Api.csproj

@@ -16,7 +16,7 @@
         <PackageReference Include="Microsoft.Extensions.ApiDescription.Server" Version="9.0.0" />
         <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="9.0.0" />
         <PackageReference Include="Microsoft.Extensions.Identity.Core" Version="9.0.0" />
-        <PackageReference Include="Scalar.AspNetCore" Version="1.2.49" />
+        <PackageReference Include="Scalar.AspNetCore" Version="1.2.55" />
         <PackageReference Include="Scrutor" Version="5.0.2" />
         <PackageReference Include="SixLabors.ImageSharp" Version="3.1.6" />
         <PackageReference Include="StrongGrid" Version="0.110.0" />

src/CleanAspire.Api/Endpoints/ProductEndpointRegistrar.cs

@@ -25,6 +25,7 @@ public void RegisterRoutes(IEndpointRouteBuilder routes)
         })
         .Produces<IEnumerable<ProductDto>>(StatusCodes.Status200OK)
         .ProducesProblem(StatusCodes.Status400BadRequest)
+        .ProducesProblem(StatusCodes.Status500InternalServerError)
         .WithSummary("Get all products")
         .WithDescription("Returns a list of all products in the system.");
 
@@ -33,6 +34,7 @@ public void RegisterRoutes(IEndpointRouteBuilder routes)
         .Produces<ProductDto>(StatusCodes.Status200OK)
         .ProducesProblem(StatusCodes.Status404NotFound)
         .ProducesProblem(StatusCodes.Status400BadRequest)
+        .ProducesProblem(StatusCodes.Status500InternalServerError)
         .WithSummary("Get product by ID")
         .WithDescription("Returns the details of a specific product by its unique ID.");
 
@@ -41,6 +43,7 @@ public void RegisterRoutes(IEndpointRouteBuilder routes)
              .Produces<ProductDto>(StatusCodes.Status201Created)
             .ProducesValidationProblem(StatusCodes.Status422UnprocessableEntity)
             .ProducesProblem(StatusCodes.Status400BadRequest)
+            .ProducesProblem(StatusCodes.Status500InternalServerError)
         .WithSummary("Create a new product")
         .WithDescription("Creates a new product with the provided details.");
 
@@ -50,6 +53,7 @@ public void RegisterRoutes(IEndpointRouteBuilder routes)
             .ProducesValidationProblem(StatusCodes.Status422UnprocessableEntity)
             .ProducesProblem(StatusCodes.Status400BadRequest)
             .ProducesProblem(StatusCodes.Status404NotFound)
+            .ProducesProblem(StatusCodes.Status500InternalServerError)
         .WithSummary("Update an existing product")
         .WithDescription("Updates the details of an existing product.");
 
@@ -59,12 +63,15 @@ public void RegisterRoutes(IEndpointRouteBuilder routes)
             .ProducesValidationProblem(StatusCodes.Status422UnprocessableEntity)
             .ProducesProblem(StatusCodes.Status404NotFound)
             .ProducesProblem(StatusCodes.Status400BadRequest)
+            .ProducesProblem(StatusCodes.Status500InternalServerError)
         .WithSummary("Delete products by IDs")
         .WithDescription("Deletes one or more products by their unique IDs.");
 
         // Get products with pagination and filtering
         group.MapPost("/pagination", ([FromServices] IMediator mediator, [FromBody] ProductsWithPaginationQuery query) => mediator.Send(query))
         .Produces<PaginatedResult<ProductDto>>(StatusCodes.Status200OK)
+        .ProducesProblem(StatusCodes.Status400BadRequest)
+        .ProducesProblem(StatusCodes.Status500InternalServerError)
         .WithSummary("Get products with pagination")
         .WithDescription("Returns a paginated list of products based on search keywords, page size, and sorting options.");
     }

src/CleanAspire.Api/ExceptionHandlers/ProblemExceptionHandler.cs

@@ -41,21 +41,21 @@ public async ValueTask<bool> TryHandleAsync(HttpContext httpContext, Exception e
                         g => g.Select(e => e.ErrorMessage).ToArray()
                     )
             },
-            UniqueConstraintException => new ProblemDetails
+            UniqueConstraintException e => new ProblemDetails
             {
                 Status = StatusCodes.Status400BadRequest,
                 Title = "Unique Constraint Violation",
-                Detail = "A unique constraint violation occurred.",
+                Detail = $"Unique constraint {e.ConstraintName} violated. Duplicate value for {e.ConstraintProperties[0]}",
                 Instance = $"{httpContext.Request.Method} {httpContext.Request.Path}",
             },
-            CannotInsertNullException => new ProblemDetails
+            CannotInsertNullException e => new ProblemDetails
             {
                 Status = StatusCodes.Status400BadRequest,
                 Title = "Null Value Error",
                 Detail = "A required field was null.",
                 Instance = $"{httpContext.Request.Method} {httpContext.Request.Path}",
             },
-            MaxLengthExceededException => new ProblemDetails
+            MaxLengthExceededException e => new ProblemDetails
             {
                 Status = StatusCodes.Status400BadRequest,
                 Title = "Max Length Exceeded",
@@ -92,8 +92,8 @@ public async ValueTask<bool> TryHandleAsync(HttpContext httpContext, Exception e
             },
             _ => new ProblemDetails
             {
-                Status = StatusCodes.Status400BadRequest,
-                Title = "Unhandled Exception",
+                Status = StatusCodes.Status500InternalServerError,
+                Title = "Internal Server Error",
                 Detail = "An unexpected error occurred. Please try again later.",
                 Instance = $"{httpContext.Request.Method} {httpContext.Request.Path}"
             }

src/CleanAspire.Api/IdentityApiAdditionalEndpointsExtensions.cs

@@ -155,7 +155,7 @@ public static IEndpointRouteBuilder MapIdentityApiAdditionalEndpoints<TUser>(thi
                 {
                     return CreateValidationProblem(result);
                 }
-                logger.LogInformation("User signup request received: {@SignupRequest}", request);
+                logger.LogInformation("User signup successful.");
                 await SendConfirmationEmailAsync(user, userManager, context, request.Email);
                 return TypedResults.Created();
             })

src/CleanAspire.Application/CleanAspire.Application.csproj

@@ -14,7 +14,7 @@
         <PrivateAssets>all</PrivateAssets>
         <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       </PackageReference>
-      <PackageReference Include="ZiggyCreatures.FusionCache" Version="2.0.0-preview-2" />
+      <PackageReference Include="ZiggyCreatures.FusionCache" Version="2.0.0-preview-3" />
     <ProjectReference Include="..\CleanAspire.Domain\CleanAspire.Domain.csproj" />
   </ItemGroup>
 

src/CleanAspire.Application/Features/Products/Queries/GetProductByIdQuery.cs

@@ -41,7 +41,6 @@ public GetProductByIdQueryHandler(IApplicationDbContext dbContext)
         {
             throw new KeyNotFoundException($"Product with Id '{request.Id}' was not found.");
         }
-
         return product;
     }
 }

src/CleanAspire.ClientApp/CleanAspire.ClientApp.csproj

@@ -19,15 +19,15 @@
     <ItemGroup>
         <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.0 " />
         <PackageReference Include="Blazored.LocalStorage" Version="4.5.0" />
-        <PackageReference Include="Microsoft.Kiota.Abstractions" Version="1.15.2" />
-        <PackageReference Include="Microsoft.Kiota.Http.HttpClientLibrary" Version="1.15.2" />
+        <PackageReference Include="Microsoft.Kiota.Abstractions" Version="1.16.0" />
+        <PackageReference Include="Microsoft.Kiota.Http.HttpClientLibrary" Version="1.16.0" />
         <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="9.0.0" />
         <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="9.0.0" PrivateAssets="all" />
         <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.Authentication" Version="9.0.0" />
-        <PackageReference Include="Microsoft.Kiota.Serialization.Form" Version="1.15.2" />
-        <PackageReference Include="Microsoft.Kiota.Serialization.Json" Version="1.15.2" />
-        <PackageReference Include="Microsoft.Kiota.Serialization.Multipart" Version="1.15.2" />
-        <PackageReference Include="Microsoft.Kiota.Serialization.Text" Version="1.15.2" />
+        <PackageReference Include="Microsoft.Kiota.Serialization.Form" Version="1.16.0" />
+        <PackageReference Include="Microsoft.Kiota.Serialization.Json" Version="1.16.0" />
+        <PackageReference Include="Microsoft.Kiota.Serialization.Multipart" Version="1.16.0" />
+        <PackageReference Include="Microsoft.Kiota.Serialization.Text" Version="1.16.0" />
         <PackageReference Include="MudBlazor" Version="8.0.0-preview.5" />
         <PackageReference Include="OneOf" Version="3.0.271" />
     </ItemGroup>

src/CleanAspire.ClientApp/Client/.kiota/workspace.json

@@ -0,0 +1,5 @@
+{
+  "version": "1.0.0",
+  "clients": {},
+  "plugins": {}
+}

src/CleanAspire.ClientApp/Components/Breadcrumbs/Breadcrumbs.razor

@@ -46,11 +46,6 @@
     [Parameter]
     public EventCallback OnPrintClick { get; set; }
 
-    private async Task GoBack()
-    {
-        await new HistoryGo(JS).GoBack();
-    }
-
     private async Task Save()
     {
         if (OnSaveButtonClick.HasDelegate)

src/CleanAspire.ClientApp/Components/OfflineSyncStatus.razor

@@ -0,0 +1,56 @@
+@inject OfflineSyncService OfflineSyncService
+
+<div class="d-flex justify-center align-center flex-row gap-2">
+    @if (OfflineSyncService.CurrentStatus == SyncStatus.Idle)
+    {
+        <MudIconButton Icon="@Icons.Material.Outlined.MoreVert" Color="Color.Inherit" />
+    }
+    else if (OfflineSyncService.CurrentStatus == SyncStatus.Completed)
+    {
+        <MudText Typo="Typo.caption">@OfflineSyncService.StatusMessage</MudText>
+        <MudIcon>
+            <svg width="24" height="24" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
+                <circle cx="50" cy="50" r="45" stroke="#2ecc71" stroke-width="9" fill="none">
+                    <animate attributeName="stroke-dasharray" from="0, 283" to="283, 283" dur="0.6s" fill="freeze" />
+                </circle>
+                <path d="M30 50 L45 65 L70 35" stroke="#2ecc71" stroke-width="10" fill="none" stroke-linecap="round" stroke-linejoin="round"
+                      stroke-dasharray="50, 50" stroke-dashoffset="50">
+                    <animate attributeName="stroke-dashoffset" from="50" to="0" dur="0.4s" begin="0.6s" fill="freeze" />
+                </path>
+            </svg>
+        </MudIcon>
+    }else
+    {
+        <MudText Typo="Typo.caption">@OfflineSyncService.StatusMessage</MudText>
+        <MudIcon>
+            <svg width="24" height="24" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" transform="matrix(-1.8369701987210297e-16,-1,1,-1.8369701987210297e-16,0,0)">
+                <circle cx="50" cy="20" r="7" fill="#3498db">
+                    <animateTransform attributeType="XML" attributeName="transform" type="rotate" from="0 50 50" to="360 50 50" dur="1.5s" repeatCount="indefinite"></animateTransform>
+                </circle>
+                <circle cx="80" cy="50" r="7" fill="#e74c3c">
+                    <animateTransform attributeType="XML" attributeName="transform" type="rotate" from="0 50 50" to="360 50 50" dur="1.5s" begin="0.2s" repeatCount="indefinite"></animateTransform>
+                </circle>
+                <circle cx="50" cy="80" r="7" fill="#f1c40f">
+                    <animateTransform attributeType="XML" attributeName="transform" type="rotate" from="0 50 50" to="360 50 50" dur="1.5s" begin="0.4s" repeatCount="indefinite"></animateTransform>
+                </circle>
+                <circle cx="20" cy="50" r="7" fill="#2ecc71">
+                    <animateTransform attributeType="XML" attributeName="transform" type="rotate" from="0 50 50" to="360 50 50" dur="1.5s" begin="0.6s" repeatCount="indefinite"></animateTransform>
+                </circle>
+            </svg>
+        </MudIcon>
+    }
+</div>
+
+@code {
+    protected override void OnInitialized()
+    {
+        OfflineSyncService.OnSyncStateChanged += StateHasChanged;
+    }
+
+    public void Dispose()
+    {
+        OfflineSyncService.OnSyncStateChanged -= StateHasChanged;
+    }
+
+
+}

src/CleanAspire.ClientApp/Components/WebpushrSetup.razor

@@ -3,21 +3,13 @@
     {
         if (firstRender)
         {
-            var result = await ApiClientService.ExecuteAsync(() => ApiClient.Webpushr.Config.GetAsync());
-            result.Switch(
-                async ok =>
-                {
-                    var webpushr = new Webpushr(JS);
-                    await webpushr.SetupWebpushrAsync(ok.PublicKey!);
-                },
-                invalid =>
-                {
-                    Snackbar.Add(L["Invalid configuration received. Please check the Webpushr settings."], Severity.Error);
-                },
-                error =>
-                {
-                    Snackbar.Add(L["An error occurred while fetching the Webpushr configuration. Please try again later."], Severity.Error);
-                });
+            var online = await OnlineStatusInterop.GetOnlineStatusAsync();
+            if (online)
+            {
+                var publicKey = await WebpushrService.GetPublicKeyAsync();
+                var webpushr = new Webpushr(JS);
+                await webpushr.SetupWebpushrAsync(publicKey!);
+            }
         }
     }
 }

src/CleanAspire.ClientApp/DependencyInjection.cs

@@ -5,11 +5,11 @@
 using CleanAspire.ClientApp.Services.Interfaces;
 using CleanAspire.ClientApp.Services.UserPreferences;
 using CleanAspire.ClientApp.Services;
+
 namespace CleanAspire.ClientApp;
 
 public static class DependencyInjection
 {
-
     public static void TryAddMudBlazor(this IServiceCollection services, IConfiguration config)
     {
         #region register MudBlazor.Services
@@ -43,6 +43,6 @@ public static void TryAddMudBlazor(this IServiceCollection services, IConfigurat
         services.AddScoped<DialogServiceHelper>();
         #endregion
     }
- 
+
 }
 

src/CleanAspire.ClientApp/Layout/MainLayout.razor

@@ -15,13 +15,14 @@
     public LayoutService LayoutService { get; set; } = default!;
     private MudThemeProvider _mudThemeProvider=default!;
 
-    protected override void OnInitialized()
+    protected override async Task OnInitializedAsync()
     {
         if (LayoutService != null)
         {
             LayoutService.MajorUpdateOccurred += LayoutServiceOnMajorUpdateOccured;
         }
-        base.OnInitialized();
+        OnlineStatusInterop.Initialize();
+        await OfflineModeState.InitializeAsync();
     }
 
     protected override async Task OnAfterRenderAsync(bool firstRender)

src/CleanAspire.ClientApp/Layout/Navbar.razor

@@ -73,7 +73,7 @@
         }
 
         <MudSpacer />
-        <MudIconButton Icon="@Icons.Material.Outlined.MoreVert" Color="Color.Inherit" />
+        <OfflineSyncStatus></OfflineSyncStatus>
     </MudToolBar>
 </MudPaper>