Merge pull request 'implement Clean Architecture and user authentication' (#1) from feature/users into develop

Reviewed-on: #1

LoopFit.Shared/LoopFit.Shared.csproj

@@ -1,17 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk.Razor">
-
-    <PropertyGroup>
-        <TargetFramework>net10.0</TargetFramework>
-        <Nullable>enable</Nullable>
-        <ImplicitUsings>enable</ImplicitUsings>
-    </PropertyGroup>
-
-    <ItemGroup>
-        <SupportedPlatform Include="browser"/>
-    </ItemGroup>
-
-    <ItemGroup>
-        <PackageReference Include="Microsoft.AspNetCore.Components.Web" Version="10.0.0"/>
-    </ItemGroup>
-
-</Project>

LoopFit.Shared/Pages/Home.razor

@@ -1,14 +0,0 @@
-@page "/"
-@using LoopFit.Shared.Services
-@inject IFormFactor FormFactor
-
-<PageTitle>Home</PageTitle>
-
-<h1>Hello, world!</h1>
-
-Welcome to your new app running on <em>@factor</em> using <em>@platform</em>.
-
-@code {
-    private string factor => FormFactor.GetFormFactor();
-    private string platform => FormFactor.GetPlatform();
-}

LoopFit.Shared/Pages/NotFound.razor

@@ -1,5 +0,0 @@
-@page "/not-found"
-@layout MainLayout
-
-<h3>Not Found</h3>
-<p>Sorry, the content you are looking for does not exist.</p>

LoopFit.Shared/Services/IFormFactor.cs

@@ -1,7 +0,0 @@
-namespace LoopFit.Shared.Services;
-
-public interface IFormFactor
-{
-    public string GetFormFactor();
-    public string GetPlatform();
-}

LoopFit.Shared/_Imports.razor

@@ -1,11 +0,0 @@
-@using System.Net.Http
-@using System.Net.Http.Json
-@using Microsoft.AspNetCore.Components.Forms
-@using Microsoft.AspNetCore.Components.Routing
-@using Microsoft.AspNetCore.Components.Web
-@using static Microsoft.AspNetCore.Components.Web.RenderMode
-@using Microsoft.AspNetCore.Components.Web.Virtualization
-@using Microsoft.JSInterop
-@using LoopFit
-@using LoopFit.Shared
-@using LoopFit.Shared.Layout

LoopFit.Web/Components/App.razor

@@ -6,11 +6,11 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
     <base href="/"/>
     <ResourcePreloader/>
-    <link rel="stylesheet" href="_content/LoopFit.Shared/lib/bootstrap/dist/css/bootstrap.min.css"/>
+    <link rel="stylesheet" href="lib/bootstrap/dist/css/bootstrap.min.css"/>
-    <link rel="stylesheet" href="_content/LoopFit.Shared/app.css"/>
+    <link rel="stylesheet" href="app.css"/>
     <link rel="stylesheet" href="LoopFit.Web.styles.css"/>
     <ImportMap/>
-    <link rel="icon" type="image/png" href="_content/LoopFit.Shared/favicon.png"/>
+    <link rel="icon" type="image/png" href="favicon.png"/>
     <HeadOutlet @rendermode="InteractiveServer"/>
 </head>
 

LoopFit.Web/Components/Layout/MainLayout.razor

@@ -1,4 +1,4 @@
-@inherits LayoutComponentBase
+@inherits LayoutComponentBase
 
 <div class="page">
     <div class="sidebar">

LoopFit.Web/Components/Layout/NavMenu.razor

@@ -1,4 +1,4 @@
-<div class="top-row ps-3 navbar navbar-dark">
+<div class="top-row ps-3 navbar navbar-dark">
     <div class="container-fluid">
         <a class="navbar-brand" href="">LoopFit</a>
     </div>
@@ -13,7 +13,5 @@
                 <span class="bi bi-house-door-fill-nav-menu" aria-hidden="true"></span> Home
             </NavLink>
         </div>
-
-
     </nav>
 </div>

LoopFit.Web/Components/Layout/NavMenu.razor.css

@@ -38,14 +38,6 @@
     background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-house-door-fill' viewBox='0 0 16 16'%3E%3Cpath d='M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5Z'/%3E%3C/svg%3E");
 }
 
-.bi-plus-square-fill-nav-menu {
-    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-plus-square-fill' viewBox='0 0 16 16'%3E%3Cpath d='M2 0a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V2a2 2 0 0 0-2-2H2zm6.5 4.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3a.5.5 0 0 1 1 0z'/%3E%3C/svg%3E");
-}
-
-.bi-list-nested-nav-menu {
-    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-list-nested' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M4.5 11.5A.5.5 0 0 1 5 11h10a.5.5 0 0 1 0 1H5a.5.5 0 0 1-.5-.5zm-2-4A.5.5 0 0 1 3 7h10a.5.5 0 0 1 0 1H3a.5.5 0 0 1-.5-.5zm-2-4A.5.5 0 0 1 1 3h10a.5.5 0 0 1 0 1H1a.5.5 0 0 1-.5-.5z'/%3E%3C/svg%3E");
-}
-
 .nav-item {
     font-size: 0.9rem;
     padding-bottom: 0.5rem;
@@ -95,10 +87,7 @@
     }
 
     .nav-scrollable {
-        /* Never collapse the sidebar for wide screens */
         display: block;
-
-        /* Allow sidebar to scroll for tall menus */
         height: calc(100vh - 3.5rem);
         overflow-y: auto;
     }

LoopFit.Web/Components/Pages/Home.razor

@@ -0,0 +1,7 @@
+@page "/"
+
+<PageTitle>Home</PageTitle>
+
+<h1>LoopFit</h1>
+
+<p>Willkommen bei LoopFit - dein Fitness-Tracker.</p>

LoopFit.Web/Components/Pages/NotFound.razor

@@ -0,0 +1,5 @@
+@page "/not-found"
+@layout Layout.MainLayout
+
+<h3>Not Found</h3>
+<p>Sorry, the content you are looking for does not exist.</p>

LoopFit.Web/Components/Routes.razor

@@ -1,4 +1,4 @@
-<Router AppAssembly="typeof(Layout.MainLayout).Assembly" NotFoundPage="typeof(Pages.NotFound)">
+<Router AppAssembly="typeof(App).Assembly" NotFoundPage="typeof(Pages.NotFound)">
     <Found Context="routeData">
         <RouteView RouteData="routeData" DefaultLayout="typeof(Layout.MainLayout)"/>
         <FocusOnNavigate RouteData="routeData" Selector="h1"/>

LoopFit.Web/Components/_Imports.razor

@@ -6,7 +6,5 @@
 @using static Microsoft.AspNetCore.Components.Web.RenderMode
 @using Microsoft.AspNetCore.Components.Web.Virtualization
 @using Microsoft.JSInterop
-@using LoopFit.Shared
-@using LoopFit.Shared.Layout
 @using LoopFit.Web.Components
 @using LoopFit.Web.Components.Layout

LoopFit.Web/Controllers/AuthController.cs

@@ -0,0 +1,58 @@
+using System.Security.Claims;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using LoopFit.Application.DTOs.Auth;
+using LoopFit.Application.Interfaces;
+
+namespace LoopFit.Web.Controllers;
+
+[ApiController]
+[Route("api/[controller]")]
+public class AuthController : ControllerBase
+{
+    private readonly IAuthService _authService;
+
+    public AuthController(IAuthService authService)
+    {
+        _authService = authService;
+    }
+
+    [HttpPost("register")]
+    public async Task<ActionResult<AuthResponse>> Register([FromBody] RegisterRequest request)
+    {
+        var result = await _authService.RegisterAsync(request);
+
+        if (result is null)
+            return BadRequest(new { message = "Registrierung fehlgeschlagen. Email existiert bereits oder Passwort ist nicht gültig." });
+
+        return Ok(result);
+    }
+
+    [HttpPost("login")]
+    public async Task<ActionResult<AuthResponse>> Login([FromBody] LoginRequest request)
+    {
+        var result = await _authService.LoginAsync(request);
+
+        if (result is null)
+            return Unauthorized(new { message = "Email oder Passwort falsch." });
+
+        return Ok(result);
+    }
+
+    [Authorize]
+    [HttpGet("me")]
+    public async Task<ActionResult<AuthResponse>> GetCurrentUser()
+    {
+        var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
+
+        if (userId is null)
+            return Unauthorized();
+
+        var result = await _authService.GetCurrentUserAsync(Guid.Parse(userId));
+
+        if (result is null)
+            return NotFound();
+
+        return Ok(result);
+    }
+}

LoopFit.Web/LoopFit.Web.csproj

@@ -7,7 +7,8 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <ProjectReference Include="..\LoopFit.Shared\LoopFit.Shared.csproj"/>
+        <ProjectReference Include="..\src\LoopFit.Application\LoopFit.Application.csproj"/>
+        <ProjectReference Include="..\src\LoopFit.Infrastructure\LoopFit.Infrastructure.csproj"/>
     </ItemGroup>
 
 </Project>

LoopFit.Web/Program.cs

@@ -1,36 +1,60 @@
+using Microsoft.AspNetCore.Authentication.JwtBearer;
+using Microsoft.IdentityModel.Tokens;
+using System.Text;
+using LoopFit.Application;
+using LoopFit.Infrastructure;
 using LoopFit.Web.Components;
-using LoopFit.Shared.Services;
-using LoopFit.Web.Services;
 
 var builder = WebApplication.CreateBuilder(args);
 
-// Add services to the container.
+builder.Services.AddInfrastructure(builder.Configuration);
+builder.Services.AddApplication();
+
+builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
+    .AddJwtBearer(options =>
+    {
+        var jwtSettings = builder.Configuration.GetSection("Jwt");
+        options.TokenValidationParameters = new TokenValidationParameters
+        {
+            ValidateIssuer = true,
+            ValidateAudience = true,
+            ValidateLifetime = true,
+            ValidateIssuerSigningKey = true,
+            ValidIssuer = jwtSettings["Issuer"],
+            ValidAudience = jwtSettings["Audience"],
+            IssuerSigningKey = new SymmetricSecurityKey(
+                Encoding.UTF8.GetBytes(jwtSettings["Key"]!))
+        };
+    });
+
+builder.Services.AddAuthorization();
+
 builder.Services.AddRazorComponents()
     .AddInteractiveServerComponents();
 
-// Add device-specific services used by the LoopFit.Shared project
+builder.Services.AddControllers();
-builder.Services.AddSingleton<IFormFactor, FormFactor>();
 
 var app = builder.Build();
 
-// Configure the HTTP request pipeline.
 if (!app.Environment.IsDevelopment())
 {
     app.UseExceptionHandler("/Error", createScopeForErrors: true);
-    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
     app.UseHsts();
 }
 
 app.UseStatusCodePagesWithReExecute("/not-found", createScopeForStatusCodePages: true);
 app.UseHttpsRedirection();
 
+app.UseStaticFiles();
 app.UseAntiforgery();
 
-app.MapStaticAssets();
+app.UseAuthentication();
+app.UseAuthorization();
+
+app.MapControllers();
 
 app.MapRazorComponents<App>()
     .AddInteractiveServerRenderMode()
-    .AddAdditionalAssemblies(
+    .AddAdditionalAssemblies(typeof(App).Assembly);
-        typeof(LoopFit.Shared._Imports).Assembly);
 
 app.Run();

LoopFit.Web/appsettings.json

@@ -5,5 +5,14 @@
       "Microsoft.AspNetCore": "Warning"
     }
   },
-  "AllowedHosts": "*"
+  "AllowedHosts": "*",
+  "ConnectionStrings": {
+    "DefaultConnection": "Host=localhost;Database=loopfit;Username=postgres;Password=postgres"
+  },
+  "Jwt": {
+    "Key": "LoopFitSuperSecretKeyThatIsAtLeast32CharactersLong!",
+    "Issuer": "LoopFit",
+    "Audience": "LoopFitApp",
+    "ExpirationMinutes": 60
+  }
 }

LoopFit.Web/wwwroot/favicon.svg

@@ -0,0 +1 @@
+404: Not Found

LoopFit.sln

@@ -2,27 +2,93 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LoopFit", "LoopFit\LoopFit.csproj", "{230BF2FE-83B3-443B-B561-E33ED9307B71}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LoopFit.Shared", "LoopFit.Shared\LoopFit.Shared.csproj", "{784878BE-3611-4C20-B91F-9724F150F78E}"
-EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LoopFit.Web", "LoopFit.Web\LoopFit.Web.csproj", "{0011D403-B7FB-4ED1-9885-B6A594872B91}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{827E0CD3-B72D-47B6-A68D-7590B98EB39B}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LoopFit.Domain", "src\LoopFit.Domain\LoopFit.Domain.csproj", "{A7CC92FF-09E8-4331-94B2-24FC1B0D17A3}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LoopFit.Application", "src\LoopFit.Application\LoopFit.Application.csproj", "{CF4C1F14-B82D-4023-BED6-F750F97CE9C8}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LoopFit.Infrastructure", "src\LoopFit.Infrastructure\LoopFit.Infrastructure.csproj", "{C91B39DF-E06E-4EAF-AD2B-32641A15E558}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
 		Release|Any CPU = Release|Any CPU
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
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 		{230BF2FE-83B3-443B-B561-E33ED9307B71}.Debug|Any CPU.Build.0 = Debug|Any CPU
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LoopFit/App.xaml.cs

@@ -1,6 +1,6 @@
 namespace LoopFit;
 
-public partial class App : Application
+public partial class App : Microsoft.Maui.Controls.Application
 {
     public App()
     {

LoopFit/Components/Layout/MainLayout.razor

@@ -0,0 +1,34 @@
+@inherits LayoutComponentBase
+
+<div class="page">
+    <div class="sidebar">
+        <NavMenu/>
+    </div>
+
+    <main>
+        <div class="top-row px-4">
+            <a href="" @onclick="Logout" @onclick:preventDefault>Abmelden</a>
+        </div>
+
+        <article class="content px-4">
+            @Body
+        </article>
+    </main>
+</div>
+
+<div id="blazor-error-ui" data-nosnippet>
+    An unhandled error has occurred.
+    <a href="." class="reload">Reload</a>
+    <span class="dismiss">🗙</span>
+</div>
+
+@code {
+    [Inject] private Services.AuthService AuthService { get; set; } = default!;
+    [Inject] private NavigationManager Navigation { get; set; } = default!;
+
+    private async Task Logout()
+    {
+        await AuthService.LogoutAsync();
+        Navigation.NavigateTo("/login", forceLoad: true);
+    }
+}

LoopFit/Components/Layout/MainLayout.razor.css

@@ -0,0 +1,87 @@
+.page {
+    position: relative;
+    display: flex;
+    flex-direction: column;
+}
+
+main {
+    flex: 1;
+}
+
+.sidebar {
+    background-image: linear-gradient(180deg, rgb(5, 39, 103) 0%, #3a0647 70%);
+}
+
+.top-row {
+    background-color: #f7f7f7;
+    border-bottom: 1px solid #d6d5d5;
+    justify-content: flex-end;
+    height: 3.5rem;
+    display: flex;
+    align-items: center;
+}
+
+    .top-row ::deep a, .top-row ::deep .btn-link {
+        white-space: nowrap;
+        margin-left: 1.5rem;
+        text-decoration: none;
+    }
+
+    .top-row ::deep a:hover, .top-row ::deep .btn-link:hover {
+        text-decoration: underline;
+    }
+
+@media (max-width: 640.98px) {
+    .top-row {
+        justify-content: space-between;
+    }
+
+    .top-row ::deep a, .top-row ::deep .btn-link {
+        margin-left: 0;
+    }
+}
+
+@media (min-width: 641px) {
+    .page {
+        flex-direction: row;
+    }
+
+    .sidebar {
+        width: 250px;
+        height: 100vh;
+        position: sticky;
+        top: 0;
+    }
+
+    .top-row {
+        position: sticky;
+        top: 0;
+        z-index: 1;
+    }
+
+    .top-row, article {
+        padding-left: 2rem !important;
+        padding-right: 1.5rem !important;
+    }
+}
+
+#blazor-error-ui {
+    color-scheme: light only;
+    background: lightyellow;
+    bottom: 0;
+    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
+    box-sizing: border-box;
+    display: none;
+    left: 0;
+    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
+    position: fixed;
+    width: 100%;
+    z-index: 1000;
+}
+
+    #blazor-error-ui .dismiss {
+        cursor: pointer;
+        position: absolute;
+        right: 0.75rem;
+        top: 0.5rem;
+    }

LoopFit/Components/Layout/NavMenu.razor

@@ -0,0 +1,17 @@
+<div class="top-row ps-3 navbar navbar-dark">
+    <div class="container-fluid">
+        <a class="navbar-brand" href="">LoopFit</a>
+    </div>
+</div>
+
+<input type="checkbox" title="Navigation menu" class="navbar-toggler"/>
+
+<div class="nav-scrollable" onclick="document.querySelector('.navbar-toggler').click()">
+    <nav class="nav flex-column">
+        <div class="nav-item px-3">
+            <NavLink class="nav-link" href="" Match="NavLinkMatch.All">
+                <span class="bi bi-house-door-fill-nav-menu" aria-hidden="true"></span> Home
+            </NavLink>
+        </div>
+    </nav>
+</div>

LoopFit/Components/Layout/NavMenu.razor.css

@@ -0,0 +1,94 @@
+.navbar-toggler {
+    appearance: none;
+    cursor: pointer;
+    width: 3.5rem;
+    height: 2.5rem;
+    color: white;
+    position: absolute;
+    top: 0.5rem;
+    right: 1rem;
+    border: 1px solid rgba(255, 255, 255, 0.1);
+    background: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.55%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") no-repeat center/1.75rem rgba(255, 255, 255, 0.1);
+}
+
+.navbar-toggler:checked {
+    background-color: rgba(255, 255, 255, 0.5);
+}
+
+.top-row {
+    min-height: 3.5rem;
+    background-color: rgba(0,0,0,0.4);
+}
+
+.navbar-brand {
+    font-size: 1.1rem;
+}
+
+.bi {
+    display: inline-block;
+    position: relative;
+    width: 1.25rem;
+    height: 1.25rem;
+    margin-right: 0.75rem;
+    top: -1px;
+    background-size: cover;
+}
+
+.bi-house-door-fill-nav-menu {
+    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-house-door-fill' viewBox='0 0 16 16'%3E%3Cpath d='M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5Z'/%3E%3C/svg%3E");
+}
+
+.nav-item {
+    font-size: 0.9rem;
+    padding-bottom: 0.5rem;
+}
+
+    .nav-item:first-of-type {
+        padding-top: 1rem;
+    }
+
+    .nav-item:last-of-type {
+        padding-bottom: 1rem;
+    }
+
+    .nav-item ::deep .nav-link {
+        color: #d7d7d7;
+        background: none;
+        border: none;
+        border-radius: 4px;
+        height: 3rem;
+        display: flex;
+        align-items: center;
+        line-height: 3rem;
+        width: 100%;
+    }
+
+.nav-item ::deep a.active {
+    background-color: rgba(255,255,255,0.37);
+    color: white;
+}
+
+.nav-item ::deep .nav-link:hover {
+    background-color: rgba(255,255,255,0.1);
+    color: white;
+}
+
+.nav-scrollable {
+    display: none;
+}
+
+.navbar-toggler:checked ~ .nav-scrollable {
+    display: block;
+}
+
+@media (min-width: 641px) {
+    .navbar-toggler {
+        display: none;
+    }
+
+    .nav-scrollable {
+        display: block;
+        height: calc(100vh - 3.5rem);
+        overflow-y: auto;
+    }
+}

LoopFit/Components/Pages/Home.razor

@@ -0,0 +1,8 @@
+@page "/"
+@attribute [Microsoft.AspNetCore.Authorization.Authorize]
+
+<PageTitle>Home</PageTitle>
+
+<h1>LoopFit</h1>
+
+<p>Willkommen bei LoopFit - dein Fitness-Tracker.</p>

LoopFit/Components/Pages/Login.razor

@@ -0,0 +1,78 @@
+@page "/login"
+
+<PageTitle>Login</PageTitle>
+
+<div class="container mt-5">
+    <div class="row justify-content-center">
+        <div class="col-md-6 col-lg-4">
+            <div class="card shadow">
+                <div class="card-body p-4">
+                    <h2 class="card-title text-center mb-4">Anmelden</h2>
+
+                    @if (!string.IsNullOrEmpty(_errorMessage))
+                    {
+                        <div class="alert alert-danger">@_errorMessage</div>
+                    }
+
+                    <EditForm Model="_loginRequest" OnValidSubmit="HandleLogin" FormName="loginForm">
+                        <div class="mb-3">
+                            <label class="form-label">Email</label>
+                            <InputText class="form-control" @bind-Value="_loginRequest.Email" type="email" placeholder="name@beispiel.de"/>
+                        </div>
+                        <div class="mb-3">
+                            <label class="form-label">Passwort</label>
+                            <InputText class="form-control" @bind-Value="_loginRequest.Password" type="password" placeholder="Passwort"/>
+                        </div>
+                        <button type="submit" class="btn btn-primary w-100" disabled="@_isLoading">
+                            @if (_isLoading)
+                            {
+                                <span class="spinner-border spinner-border-sm me-2"></span>
+                            }
+                            Anmelden
+                        </button>
+                    </EditForm>
+
+                    <div class="text-center mt-3">
+                        <a href="/register">Noch kein Konto? Registrieren</a>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+@code {
+    [Inject] private Services.AuthService AuthService { get; set; } = default!;
+    [Inject] private NavigationManager Navigation { get; set; } = default!;
+
+    private LoopFit.Application.DTOs.Auth.LoginRequest _loginRequest = new();
+    private bool _isLoading;
+    private string? _errorMessage;
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (await AuthService.IsAuthenticatedAsync())
+        {
+            Navigation.NavigateTo("/", forceLoad: true);
+        }
+    }
+
+    private async Task HandleLogin()
+    {
+        _isLoading = true;
+        _errorMessage = null;
+
+        var result = await AuthService.LoginAsync(_loginRequest);
+
+        if (result is not null)
+        {
+            Navigation.NavigateTo("/", forceLoad: true);
+        }
+        else
+        {
+            _errorMessage = "Email oder Passwort falsch.";
+        }
+
+        _isLoading = false;
+    }
+}

LoopFit/Components/Pages/NotFound.razor

@@ -0,0 +1,5 @@
+@page "/not-found"
+@layout Layout.MainLayout
+
+<h3>Not Found</h3>
+<p>Sorry, the content you are looking for does not exist.</p>

LoopFit/Components/Pages/Register.razor

@@ -0,0 +1,86 @@
+@page "/register"
+
+<PageTitle>Registrieren</PageTitle>
+
+<div class="container mt-5">
+    <div class="row justify-content-center">
+        <div class="col-md-6 col-lg-4">
+            <div class="card shadow">
+                <div class="card-body p-4">
+                    <h2 class="card-title text-center mb-4">Registrieren</h2>
+
+                    @if (!string.IsNullOrEmpty(_errorMessage))
+                    {
+                        <div class="alert alert-danger">@_errorMessage</div>
+                    }
+
+                    <EditForm Model="_registerRequest" OnValidSubmit="HandleRegister" FormName="registerForm">
+                        <div class="mb-3">
+                            <label class="form-label">Vorname</label>
+                            <InputText class="form-control" @bind-Value="_registerRequest.FirstName" placeholder="Vorname"/>
+                        </div>
+                        <div class="mb-3">
+                            <label class="form-label">Nachname</label>
+                            <InputText class="form-control" @bind-Value="_registerRequest.LastName" placeholder="Nachname"/>
+                        </div>
+                        <div class="mb-3">
+                            <label class="form-label">Email</label>
+                            <InputText class="form-control" @bind-Value="_registerRequest.Email" type="email" placeholder="name@beispiel.de"/>
+                        </div>
+                        <div class="mb-3">
+                            <label class="form-label">Passwort</label>
+                            <InputText class="form-control" @bind-Value="_registerRequest.Password" type="password" placeholder="Mind. 8 Zeichen"/>
+                        </div>
+                        <button type="submit" class="btn btn-primary w-100" disabled="@_isLoading">
+                            @if (_isLoading)
+                            {
+                                <span class="spinner-border spinner-border-sm me-2"></span>
+                            }
+                            Registrieren
+                        </button>
+                    </EditForm>
+
+                    <div class="text-center mt-3">
+                        <a href="/login">Bereits ein Konto? Anmelden</a>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+@code {
+    [Inject] private Services.AuthService AuthService { get; set; } = default!;
+    [Inject] private NavigationManager Navigation { get; set; } = default!;
+
+    private LoopFit.Application.DTOs.Auth.RegisterRequest _registerRequest = new();
+    private bool _isLoading;
+    private string? _errorMessage;
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (await AuthService.IsAuthenticatedAsync())
+        {
+            Navigation.NavigateTo("/", forceLoad: true);
+        }
+    }
+
+    private async Task HandleRegister()
+    {
+        _isLoading = true;
+        _errorMessage = null;
+
+        var result = await AuthService.RegisterAsync(_registerRequest);
+
+        if (result is not null)
+        {
+            Navigation.NavigateTo("/", forceLoad: true);
+        }
+        else
+        {
+            _errorMessage = "Registrierung fehlgeschlagen. Bitte Eingaben prüfen.";
+        }
+
+        _isLoading = false;
+    }
+}

LoopFit/Components/Routes.razor

@@ -0,0 +1,6 @@
+<Router AppAssembly="typeof(App).Assembly" NotFoundPage="typeof(Pages.NotFound)">
+    <Found Context="routeData">
+        <RouteView RouteData="routeData" DefaultLayout="typeof(Layout.MainLayout)"/>
+        <FocusOnNavigate RouteData="routeData" Selector="h1"/>
+    </Found>
+</Router>

LoopFit/Components/_Imports.razor

@@ -3,8 +3,11 @@
 @using Microsoft.AspNetCore.Components.Forms
 @using Microsoft.AspNetCore.Components.Routing
 @using Microsoft.AspNetCore.Components.Web
+@using static Microsoft.AspNetCore.Components.Web.RenderMode
 @using Microsoft.AspNetCore.Components.Web.Virtualization
 @using Microsoft.JSInterop
 @using LoopFit
 @using LoopFit.Components
-@using LoopFit.Shared
+@using LoopFit.Components.Layout
+@using LoopFit.Application.DTOs.Auth
+@using LoopFit.Application.Interfaces

LoopFit/LoopFit.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
     <PropertyGroup>
-        <TargetFrameworks>net10.0-android</TargetFrameworks>
+        <TargetFramework>net10.0-android</TargetFramework>
 
         <OutputType>Exe</OutputType>
         <RootNamespace>LoopFit</RootNamespace>
@@ -10,57 +10,34 @@
         <ImplicitUsings>enable</ImplicitUsings>
         <EnableDefaultCssItems>false</EnableDefaultCssItems>
         <Nullable>enable</Nullable>
-
-        <!-- Enable XAML source generation for faster build times and improved performance.
-             This generates C# code from XAML at compile time instead of runtime inflation.
-             To disable, remove this line.
-             For individual files, you can override by setting Inflator metadata:
-               <MauiXaml Update="MyPage.xaml" Inflator="Default" /> (reverts to defaults: Runtime for Debug, XamlC for Release)
-               <MauiXaml Update="MyPage.xaml" Inflator="Runtime" /> (force runtime inflation) -->
         <MauiXamlInflator>SourceGen</MauiXamlInflator>
 
-        <!-- Display name -->
         <ApplicationTitle>LoopFit</ApplicationTitle>
-
-        <!-- App Identifier -->
         <ApplicationId>com.companyname.loopfit</ApplicationId>
-
-        <!-- Versions -->
         <ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
         <ApplicationVersion>1</ApplicationVersion>
-
-        <!-- To develop, package, and publish an app to the Microsoft Store, see: https://aka.ms/MauiTemplateUnpackaged -->
         <WindowsPackageType>None</WindowsPackageType>
-
         <SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">24.0</SupportedOSPlatformVersion>
     </PropertyGroup>
 
     <ItemGroup>
-        <!-- App Icon -->
         <MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4"/>
-
-        <!-- Splash Screen -->
         <MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128"/>
-
-        <!-- Images -->
         <MauiImage Include="Resources\Images\*"/>
         <MauiImage Update="Resources\Images\dotnet_bot.svg" BaseSize="168,208"/>
-
-        <!-- Custom Fonts -->
         <MauiFont Include="Resources\Fonts\*"/>
-
-        <!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
         <MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)"/>
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.Maui.Controls" Version="$(MauiVersion)"/>
+        <PackageReference Include="Microsoft.Maui.Controls" Version="10.0.20"/>
-        <PackageReference Include="Microsoft.AspNetCore.Components.WebView.Maui" Version="$(MauiVersion)"/>
+        <PackageReference Include="Microsoft.AspNetCore.Components.WebView.Maui" Version="10.0.20"/>
+        <PackageReference Include="Microsoft.Extensions.Http" Version="10.0.0"/>
         <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="10.0.0"/>
     </ItemGroup>
 
     <ItemGroup>
-        <ProjectReference Include="..\LoopFit.Shared\LoopFit.Shared.csproj"/>
+        <ProjectReference Include="..\src\LoopFit.Application\LoopFit.Application.csproj"/>
     </ItemGroup>
 
 </Project>

LoopFit/MainPage.xaml

@@ -2,13 +2,13 @@
 <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              xmlns:local="clr-namespace:LoopFit"
-             xmlns:shared="clr-namespace:LoopFit.Shared;assembly=LoopFit.Shared"
+             xmlns:components="clr-namespace:LoopFit.Components"
              x:Class="LoopFit.MainPage"
              BackgroundColor="{DynamicResource PageBackgroundColor}">
 
     <BlazorWebView x:Name="blazorWebView" HostPage="wwwroot/index.html">
         <BlazorWebView.RootComponents>
-            <RootComponent Selector="#app" ComponentType="{x:Type shared:Routes}" />
+            <RootComponent Selector="#app" ComponentType="{x:Type components:Routes}" />
         </BlazorWebView.RootComponents>
     </BlazorWebView>
 

LoopFit/MauiProgram.cs

@@ -1,5 +1,5 @@
 using Microsoft.Extensions.Logging;
-using LoopFit.Shared.Services;
+using LoopFit.Application.Interfaces;
 using LoopFit.Services;
 
 namespace LoopFit;
@@ -13,10 +13,17 @@ public static class MauiProgram
             .UseMauiApp<App>()
             .ConfigureFonts(fonts => { fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular"); });
 
-        // Add device-specific services used by the LoopFit.Shared project
+        builder.Services.AddSingleton<TokenStorageService>();
+        builder.Services.AddScoped<AuthService>();
         builder.Services.AddSingleton<IFormFactor, FormFactor>();
 
+        builder.Services.AddHttpClient<AuthService>(client =>
+        {
+            client.BaseAddress = new Uri("http://10.0.2.2:5000");
+        });
+
         builder.Services.AddMauiBlazorWebView();
+        builder.Services.AddAuthorizationCore();
 
 #if DEBUG
         builder.Services.AddBlazorWebViewDeveloperTools();

LoopFit/Services/AuthService.cs

@@ -0,0 +1,76 @@
+using System.Net.Http.Json;
+using LoopFit.Application.DTOs.Auth;
+using LoopFit.Application.Interfaces;
+
+namespace LoopFit.Services;
+
+public class AuthService : IAuthService
+{
+    private readonly HttpClient _httpClient;
+    private readonly TokenStorageService _tokenStorage;
+
+    public AuthService(HttpClient httpClient, TokenStorageService tokenStorage)
+    {
+        _httpClient = httpClient;
+        _tokenStorage = tokenStorage;
+    }
+
+    public async Task<AuthResponse?> RegisterAsync(RegisterRequest request)
+    {
+        var response = await _httpClient.PostAsJsonAsync("api/auth/register", request);
+
+        if (!response.IsSuccessStatusCode)
+            return null;
+
+        var result = await response.Content.ReadFromJsonAsync<AuthResponse>();
+
+        if (result is not null)
+            await _tokenStorage.SaveTokenAsync(result.Token);
+
+        return result;
+    }
+
+    public async Task<AuthResponse?> LoginAsync(LoginRequest request)
+    {
+        var response = await _httpClient.PostAsJsonAsync("api/auth/login", request);
+
+        if (!response.IsSuccessStatusCode)
+            return null;
+
+        var result = await response.Content.ReadFromJsonAsync<AuthResponse>();
+
+        if (result is not null)
+            await _tokenStorage.SaveTokenAsync(result.Token);
+
+        return result;
+    }
+
+    public async Task<AuthResponse?> GetCurrentUserAsync(Guid userId)
+    {
+        var token = await _tokenStorage.GetTokenAsync();
+
+        if (string.IsNullOrEmpty(token))
+            return null;
+
+        _httpClient.DefaultRequestHeaders.Authorization =
+            new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
+
+        var response = await _httpClient.GetAsync("api/auth/me");
+
+        if (!response.IsSuccessStatusCode)
+            return null;
+
+        return await response.Content.ReadFromJsonAsync<AuthResponse>();
+    }
+
+    public async Task<bool> IsAuthenticatedAsync()
+    {
+        var token = await _tokenStorage.GetTokenAsync();
+        return !string.IsNullOrEmpty(token);
+    }
+
+    public async Task LogoutAsync()
+    {
+        await _tokenStorage.RemoveTokenAsync();
+    }
+}

LoopFit/Services/FormFactor.cs

@@ -1,4 +1,4 @@
-using LoopFit.Shared.Services;
+using LoopFit.Application.Interfaces;
 
 namespace LoopFit.Services;
 

LoopFit/Services/TokenStorageService.cs

@@ -0,0 +1,29 @@
+namespace LoopFit.Services;
+
+public class TokenStorageService
+{
+    private const string TokenKey = "loopfit_jwt_token";
+
+    public async Task SaveTokenAsync(string token)
+    {
+        await SecureStorage.Default.SetAsync(TokenKey, token);
+    }
+
+    public async Task<string?> GetTokenAsync()
+    {
+        try
+        {
+            return await SecureStorage.Default.GetAsync(TokenKey);
+        }
+        catch
+        {
+            return null;
+        }
+    }
+
+    public Task RemoveTokenAsync()
+    {
+        SecureStorage.Default.Remove(TokenKey);
+        return Task.CompletedTask;
+    }
+}

LoopFit/wwwroot/app.css

@@ -1,3 +1,41 @@
+html, body {
+    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
+}
+
+a, .btn-link {
+    color: #006bb7;
+}
+
+.btn-primary {
+    color: #fff;
+    background-color: #1b6ec2;
+    border-color: #1861ac;
+}
+
+.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
+  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
+}
+
+.content {
+    padding-top: 1.1rem;
+}
+
+h1:focus {
+    outline: none;
+}
+
+.valid.modified:not([type=checkbox]) {
+    outline: 1px solid #26b050;
+}
+
+.invalid {
+    outline: 1px solid #e50000;
+}
+
+.validation-message {
+    color: #e50000;
+}
+
 .status-bar-safe-area {
     display: none;
 }

LoopFit/wwwroot/index.html

@@ -5,8 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover" />
     <title>LoopFit</title>
     <base href="/" />
-    <link rel="stylesheet" href="_content/LoopFit.Shared/lib/bootstrap/dist/css/bootstrap.min.css" />
+    <link rel="stylesheet" href="lib/bootstrap/dist/css/bootstrap.min.css" />
-    <link rel="stylesheet" href="_content/LoopFit.Shared/app.css" />
     <link rel="stylesheet" href="app.css" />
     <link rel="stylesheet" href="LoopFit.styles.css" />
     <link rel="icon" href="data:,">

src/LoopFit.Application/DTOs/Auth/AuthResponse.cs

@@ -0,0 +1,8 @@
+namespace LoopFit.Application.DTOs.Auth;
+
+public class AuthResponse
+{
+    public string Token { get; set; } = string.Empty;
+    public DateTime Expiration { get; set; }
+    public string UserName { get; set; } = string.Empty;
+}

src/LoopFit.Application/DTOs/Auth/LoginRequest.cs

@@ -0,0 +1,7 @@
+namespace LoopFit.Application.DTOs.Auth;
+
+public class LoginRequest
+{
+    public string Email { get; set; } = string.Empty;
+    public string Password { get; set; } = string.Empty;
+}

src/LoopFit.Application/DTOs/Auth/RegisterRequest.cs

@@ -0,0 +1,9 @@
+namespace LoopFit.Application.DTOs.Auth;
+
+public class RegisterRequest
+{
+    public string Email { get; set; } = string.Empty;
+    public string Password { get; set; } = string.Empty;
+    public string FirstName { get; set; } = string.Empty;
+    public string LastName { get; set; } = string.Empty;
+}

src/LoopFit.Application/DependencyInjection.cs

@@ -0,0 +1,15 @@
+using Microsoft.Extensions.DependencyInjection;
+using LoopFit.Application.Interfaces;
+
+namespace LoopFit.Application;
+
+public static class DependencyInjection
+{
+    public static IServiceCollection AddApplication(this IServiceCollection services)
+    {
+        services.AddScoped<IAuthService>(sp =>
+            throw new InvalidOperationException("IAuthService muss in Infrastructure registriert werden."));
+
+        return services;
+    }
+}

src/LoopFit.Application/Interfaces/IAuthService.cs

@@ -0,0 +1,10 @@
+using LoopFit.Application.DTOs.Auth;
+
+namespace LoopFit.Application.Interfaces;
+
+public interface IAuthService
+{
+    Task<AuthResponse?> RegisterAsync(RegisterRequest request);
+    Task<AuthResponse?> LoginAsync(LoginRequest request);
+    Task<AuthResponse?> GetCurrentUserAsync(Guid userId);
+}

src/LoopFit.Application/Interfaces/IFormFactor.cs

@@ -0,0 +1,7 @@
+namespace LoopFit.Application.Interfaces;
+
+public interface IFormFactor
+{
+    string GetFormFactor();
+    string GetPlatform();
+}

src/LoopFit.Application/LoopFit.Application.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="10.0.11"/>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\LoopFit.Domain\LoopFit.Domain.csproj"/>
+  </ItemGroup>
+
+</Project>

src/LoopFit.Domain/Entities/ApplicationUser.cs

@@ -0,0 +1,10 @@
+namespace LoopFit.Domain.Entities;
+
+public class ApplicationUser
+{
+    public Guid Id { get; set; }
+    public string Email { get; set; } = string.Empty;
+    public string FirstName { get; set; } = string.Empty;
+    public string LastName { get; set; } = string.Empty;
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+}

src/LoopFit.Domain/Entities/CalorieEntry.cs

@@ -0,0 +1,11 @@
+namespace LoopFit.Domain.Entities;
+
+public class CalorieEntry
+{
+    public Guid Id { get; set; }
+    public Guid UserId { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public int Calories { get; set; }
+    public DateTime Date { get; set; } = DateTime.UtcNow;
+    public string? Notes { get; set; }
+}

src/LoopFit.Domain/Entities/VitalData.cs

@@ -0,0 +1,13 @@
+namespace LoopFit.Domain.Entities;
+
+public class VitalData
+{
+    public Guid Id { get; set; }
+    public Guid UserId { get; set; }
+    public int? HeartRate { get; set; }
+    public int? Steps { get; set; }
+    public double? SleepHours { get; set; }
+    public int? CaloriesBurned { get; set; }
+    public DateTime Date { get; set; } = DateTime.UtcNow;
+    public string? Source { get; set; }
+}

src/LoopFit.Domain/Entities/Workout.cs

@@ -0,0 +1,15 @@
+using LoopFit.Domain.Enums;
+
+namespace LoopFit.Domain.Entities;
+
+public class Workout
+{
+    public Guid Id { get; set; }
+    public Guid UserId { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public WorkoutType Type { get; set; }
+    public int DurationMinutes { get; set; }
+    public int CaloriesBurned { get; set; }
+    public DateTime Date { get; set; } = DateTime.UtcNow;
+    public string? Notes { get; set; }
+}

src/LoopFit.Domain/Enums/WorkoutType.cs

@@ -0,0 +1,10 @@
+namespace LoopFit.Domain.Enums;
+
+public enum WorkoutType
+{
+    Strength,
+    Cardio,
+    Endurance,
+    Flexibility,
+    Other
+}

src/LoopFit.Domain/Interfaces/IJwtTokenGenerator.cs

@@ -0,0 +1,6 @@
+namespace LoopFit.Domain.Interfaces;
+
+public interface IJwtTokenGenerator
+{
+    string GenerateToken(Guid userId, string email);
+}

src/LoopFit.Domain/Interfaces/IUserRepository.cs

@@ -0,0 +1,9 @@
+using LoopFit.Domain.Entities;
+
+namespace LoopFit.Domain.Interfaces;
+
+public interface IUserRepository
+{
+    Task<ApplicationUser?> GetByIdAsync(Guid id);
+    Task<ApplicationUser?> GetByEmailAsync(string email);
+}

src/LoopFit.Domain/Interfaces/IWorkoutRepository.cs

@@ -0,0 +1,10 @@
+using LoopFit.Domain.Entities;
+
+namespace LoopFit.Domain.Interfaces;
+
+public interface IWorkoutRepository
+{
+    Task<Workout?> GetByIdAsync(Guid id);
+    Task<IEnumerable<Workout>> GetByUserIdAsync(Guid userId);
+    Task AddAsync(Workout workout);
+}

src/LoopFit.Domain/LoopFit.Domain.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

src/LoopFit.Infrastructure/Data/AppDbContext.cs

@@ -0,0 +1,18 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore;
+using LoopFit.Domain.Entities;
+
+namespace LoopFit.Infrastructure.Data;
+
+public class AppDbContext : IdentityDbContext<IdentityUser>
+{
+    public AppDbContext(DbContextOptions<AppDbContext> options) : base(options)
+    {
+    }
+
+    public DbSet<ApplicationUser> ApplicationUsers => Set<ApplicationUser>();
+    public DbSet<Workout> Workouts => Set<Workout>();
+    public DbSet<CalorieEntry> CalorieEntries => Set<CalorieEntry>();
+    public DbSet<VitalData> VitalData => Set<VitalData>();
+}

src/LoopFit.Infrastructure/DependencyInjection.cs

@@ -0,0 +1,41 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using LoopFit.Application.Interfaces;
+using LoopFit.Domain.Interfaces;
+using LoopFit.Infrastructure.Data;
+using LoopFit.Infrastructure.Identity;
+using LoopFit.Infrastructure.Repositories;
+using LoopFit.Infrastructure.Services;
+
+namespace LoopFit.Infrastructure;
+
+public static class DependencyInjection
+{
+    public static IServiceCollection AddInfrastructure(this IServiceCollection services, IConfiguration configuration)
+    {
+        services.AddDbContext<AppDbContext>(options =>
+            options.UseNpgsql(configuration.GetConnectionString("DefaultConnection")));
+
+        services.AddIdentity<IdentityUser, IdentityRole>(options =>
+        {
+            options.Password.RequireDigit = true;
+            options.Password.RequiredLength = 8;
+            options.Password.RequireNonAlphanumeric = false;
+            options.Password.RequireUppercase = true;
+            options.Password.RequireLowercase = true;
+            options.User.RequireUniqueEmail = true;
+        })
+        .AddEntityFrameworkStores<AppDbContext>()
+        .AddDefaultTokenProviders();
+
+        services.AddScoped<IJwtTokenGenerator, JwtTokenGenerator>();
+        services.AddScoped<IAuthService, AuthService>();
+        services.AddScoped<IFormFactor, FormFactor>();
+        services.AddScoped<IUserRepository, UserRepository>();
+        services.AddScoped<IWorkoutRepository, WorkoutRepository>();
+
+        return services;
+    }
+}

src/LoopFit.Infrastructure/Identity/AuthService.cs

@@ -0,0 +1,104 @@
+using Microsoft.AspNetCore.Identity;
+using Microsoft.EntityFrameworkCore;
+using LoopFit.Application.DTOs.Auth;
+using LoopFit.Application.Interfaces;
+using LoopFit.Domain.Entities;
+using LoopFit.Domain.Interfaces;
+using LoopFit.Infrastructure.Data;
+
+namespace LoopFit.Infrastructure.Identity;
+
+public class AuthService : IAuthService
+{
+    private readonly UserManager<IdentityUser> _userManager;
+    private readonly IJwtTokenGenerator _jwtTokenGenerator;
+    private readonly AppDbContext _dbContext;
+
+    public AuthService(
+        UserManager<IdentityUser> userManager,
+        IJwtTokenGenerator jwtTokenGenerator,
+        AppDbContext dbContext)
+    {
+        _userManager = userManager;
+        _jwtTokenGenerator = jwtTokenGenerator;
+        _dbContext = dbContext;
+    }
+
+    public async Task<AuthResponse?> RegisterAsync(RegisterRequest request)
+    {
+        var identityUser = new IdentityUser
+        {
+            UserName = request.Email,
+            Email = request.Email
+        };
+
+        var result = await _userManager.CreateAsync(identityUser, request.Password);
+
+        if (!result.Succeeded)
+            return null;
+
+        var appUser = new ApplicationUser
+        {
+            Id = Guid.Parse(identityUser.Id),
+            Email = request.Email,
+            FirstName = request.FirstName,
+            LastName = request.LastName
+        };
+
+        _dbContext.ApplicationUsers.Add(appUser);
+        await _dbContext.SaveChangesAsync();
+
+        var token = _jwtTokenGenerator.GenerateToken(appUser.Id, appUser.Email);
+
+        return new AuthResponse
+        {
+            Token = token,
+            Expiration = DateTime.UtcNow.AddMinutes(60),
+            UserName = $"{appUser.FirstName} {appUser.LastName}"
+        };
+    }
+
+    public async Task<AuthResponse?> LoginAsync(LoginRequest request)
+    {
+        var identityUser = await _userManager.FindByEmailAsync(request.Email);
+
+        if (identityUser is null)
+            return null;
+
+        var isValidPassword = await _userManager.CheckPasswordAsync(identityUser, request.Password);
+
+        if (!isValidPassword)
+            return null;
+
+        var appUser = await _dbContext.ApplicationUsers
+            .FirstOrDefaultAsync(u => u.Id == Guid.Parse(identityUser.Id));
+
+        var userId = Guid.Parse(identityUser.Id);
+        var token = _jwtTokenGenerator.GenerateToken(userId, identityUser.Email!);
+
+        return new AuthResponse
+        {
+            Token = token,
+            Expiration = DateTime.UtcNow.AddMinutes(60),
+            UserName = appUser != null ? $"{appUser.FirstName} {appUser.LastName}" : identityUser.Email!
+        };
+    }
+
+    public async Task<AuthResponse?> GetCurrentUserAsync(Guid userId)
+    {
+        var appUser = await _dbContext.ApplicationUsers
+            .FirstOrDefaultAsync(u => u.Id == userId);
+
+        if (appUser is null)
+            return null;
+
+        var token = _jwtTokenGenerator.GenerateToken(appUser.Id, appUser.Email);
+
+        return new AuthResponse
+        {
+            Token = token,
+            Expiration = DateTime.UtcNow.AddMinutes(60),
+            UserName = $"{appUser.FirstName} {appUser.LastName}"
+        };
+    }
+}

src/LoopFit.Infrastructure/Identity/JwtTokenGenerator.cs

@@ -0,0 +1,41 @@
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+using System.Text;
+using Microsoft.Extensions.Configuration;
+using Microsoft.IdentityModel.Tokens;
+using LoopFit.Domain.Interfaces;
+
+namespace LoopFit.Infrastructure.Identity;
+
+public class JwtTokenGenerator : IJwtTokenGenerator
+{
+    private readonly IConfiguration _configuration;
+
+    public JwtTokenGenerator(IConfiguration configuration)
+    {
+        _configuration = configuration;
+    }
+
+    public string GenerateToken(Guid userId, string email)
+    {
+        var jwtSettings = _configuration.GetSection("Jwt");
+        var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(jwtSettings["Key"]!));
+        var expiration = DateTime.UtcNow.AddMinutes(Convert.ToDouble(jwtSettings["ExpirationMinutes"]));
+
+        var claims = new List<Claim>
+        {
+            new(ClaimTypes.NameIdentifier, userId.ToString()),
+            new(ClaimTypes.Email, email),
+            new(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString())
+        };
+
+        var token = new JwtSecurityToken(
+            issuer: jwtSettings["Issuer"],
+            audience: jwtSettings["Audience"],
+            claims: claims,
+            expires: expiration,
+            signingCredentials: new SigningCredentials(key, SecurityAlgorithms.HmacSha256));
+
+        return new JwtSecurityTokenHandler().WriteToken(token);
+    }
+}

src/LoopFit.Infrastructure/LoopFit.Infrastructure.csproj

@@ -0,0 +1,24 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="10.0.11"/>
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="10.0.3"/>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="10.0.11">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="10.0.11"/>
+    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.22.0"/>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\LoopFit.Application\LoopFit.Application.csproj"/>
+  </ItemGroup>
+
+</Project>

src/LoopFit.Infrastructure/Repositories/UserRepository.cs

@@ -0,0 +1,27 @@
+using Microsoft.EntityFrameworkCore;
+using LoopFit.Domain.Entities;
+using LoopFit.Domain.Interfaces;
+using LoopFit.Infrastructure.Data;
+
+namespace LoopFit.Infrastructure.Repositories;
+
+public class UserRepository : IUserRepository
+{
+    private readonly AppDbContext _context;
+
+    public UserRepository(AppDbContext context)
+    {
+        _context = context;
+    }
+
+    public async Task<ApplicationUser?> GetByIdAsync(Guid id)
+    {
+        return await _context.ApplicationUsers.FindAsync(id);
+    }
+
+    public async Task<ApplicationUser?> GetByEmailAsync(string email)
+    {
+        return await _context.ApplicationUsers
+            .FirstOrDefaultAsync(u => u.Email == email);
+    }
+}

src/LoopFit.Infrastructure/Repositories/WorkoutRepository.cs

@@ -0,0 +1,35 @@
+using Microsoft.EntityFrameworkCore;
+using LoopFit.Domain.Entities;
+using LoopFit.Domain.Interfaces;
+using LoopFit.Infrastructure.Data;
+
+namespace LoopFit.Infrastructure.Repositories;
+
+public class WorkoutRepository : IWorkoutRepository
+{
+    private readonly AppDbContext _context;
+
+    public WorkoutRepository(AppDbContext context)
+    {
+        _context = context;
+    }
+
+    public async Task<Workout?> GetByIdAsync(Guid id)
+    {
+        return await _context.Workouts.FindAsync(id);
+    }
+
+    public async Task<IEnumerable<Workout>> GetByUserIdAsync(Guid userId)
+    {
+        return await _context.Workouts
+            .Where(w => w.UserId == userId)
+            .OrderByDescending(w => w.Date)
+            .ToListAsync();
+    }
+
+    public async Task AddAsync(Workout workout)
+    {
+        _context.Workouts.Add(workout);
+        await _context.SaveChangesAsync();
+    }
+}

src/LoopFit.Infrastructure/Services/FormFactor.cs

@@ -1,6 +1,6 @@
-using LoopFit.Shared.Services;
+using LoopFit.Application.Interfaces;
 
-namespace LoopFit.Web.Services;
+namespace LoopFit.Infrastructure.Services;
 
 public class FormFactor : IFormFactor
 {