INIT vol 1.

src/WorkFlowCheck.API/ApiKeyMiddleware.cs

@@ -0,0 +1,36 @@
+namespace WorkFlowCheck.API
+{
+    public class ApiKeyMiddleware
+    {
+        private readonly RequestDelegate _next;
+        private const string ApiKeyHeaderName = "X-Api-Key";
+
+        public ApiKeyMiddleware(RequestDelegate next)
+        {
+            _next = next;
+        }
+
+        public async Task InvokeAsync(HttpContext context)
+        {
+            if (!context.Request.Headers.TryGetValue(ApiKeyHeaderName, out var extractedApiKey))
+            {
+                context.Response.StatusCode = 401; // Unauthorized
+                await context.Response.WriteAsync("API Key hiányzik.");
+                return;
+            }
+
+            var appSettings = context.RequestServices.GetRequiredService<IConfiguration>();
+            var apiKey = appSettings.GetValue<string>("ApiKey");
+
+            if (!apiKey.Equals(extractedApiKey))
+            {
+                context.Response.StatusCode = 403; // Forbidden
+                await context.Response.WriteAsync("Helytelen API Key.");
+                return;
+            }
+
+            await _next(context);
+        }
+    }
+
+}

src/WorkFlowCheck.API/Controllers/UserController.cs

@@ -0,0 +1,17 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using WorkFlowCheck.BL.DTO;
+
+namespace WorkFlowCheck.API.Controllers
+{
+    [Route("api/[controller]")]
+    [ApiController]
+    public class UserController : ControllerBase
+    {
+        [HttpGet]
+        public ActionResult<ResponseDTO> Get()
+        {
+            return new ResponseDTO { Message = "Success" };
+        }
+    }
+}

src/WorkFlowCheck.API/Program.cs

@@ -1,36 +1,75 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.OpenApi.Models;
+using System.Text.Json;
 using System.Text.Json.Serialization;
+using WorkFlowCheck.API;
+using WorkFlowCheck.DL;
 
-var builder = WebApplication.CreateSlimBuilder(args);
+var builder = WebApplication.CreateBuilder(args);
 
-builder.Services.ConfigureHttpJsonOptions(options =>
+builder.Services.AddDbContext<AppDbContext>(options =>
+    options.UseSqlServer(builder.Configuration.GetConnectionString("DefaultConnection")));
+
+// SWAGGER !!!
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen(c =>
 {
-    options.SerializerOptions.TypeInfoResolverChain.Insert(0, AppJsonSerializerContext.Default);
+    c.SwaggerDoc("v1", new OpenApiInfo { Title = "WorkFlowCheck API", Version = "v1" });
+
+    // API Key Auth definíció
+    c.AddSecurityDefinition("ApiKey", new OpenApiSecurityScheme
+    {
+        Description = "API Key szükséges. Használat: 'ApiKey: {kulcs}'",
+        Name = "X-Api-Key", // A fejlécek között keresendõ
+        In = ParameterLocation.Header,
+        Type = SecuritySchemeType.ApiKey,
+        Scheme = "ApiKey"
     });
 
+    c.AddSecurityRequirement(new OpenApiSecurityRequirement
+    {
+        {
+            new OpenApiSecurityScheme
+            {
+                Reference = new OpenApiReference
+                {
+                    Type = ReferenceType.SecurityScheme,
+                    Id = "ApiKey"
+                },
+                Scheme = "ApiKey",
+                Name = "ApiKey",
+                In = ParameterLocation.Header,
+            },
+            Array.Empty<string>()
+        }
+    });
+});
+
+// Szolgáltatások hozzáadása
+builder.Services.AddControllers().AddJsonOptions(options =>
+{
+    options.JsonSerializerOptions.PropertyNamingPolicy = JsonNamingPolicy.CamelCase;
+    options.JsonSerializerOptions.DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull;
+}); ;
+
 var app = builder.Build();
+// Swagger middleware
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI(c =>
+    {
+        c.SwaggerEndpoint("/swagger/v1/swagger.json", "WorkFlowCheck API v1");
+    });
+}
 
+// Routing és endpointok
+app.UseHttpsRedirection();
+app.UseAuthorization();
 
-var sampleTodos = new Todo[] {
+app.MapControllers();
-    new(1, "Walk the dog"),
-    new(2, "Do the dishes", DateOnly.FromDateTime(DateTime.Now)),
-    new(3, "Do the laundry", DateOnly.FromDateTime(DateTime.Now.AddDays(1))),
-    new(4, "Clean the bathroom"),
-    new(5, "Clean the car", DateOnly.FromDateTime(DateTime.Now.AddDays(2)))
-};
 
-var todosApi = app.MapGroup("/todos");
+app.UseMiddleware<ApiKeyMiddleware>();
-todosApi.MapGet("/", () => sampleTodos);
-todosApi.MapGet("/{id}", (int id) =>
-    sampleTodos.FirstOrDefault(a => a.Id == id) is { } todo
-        ? Results.Ok(todo)
-        : Results.NotFound());
 
 app.Run();
 
-public record Todo(int Id, string? Title, DateOnly? DueBy = null, bool IsComplete = false);
-
-[JsonSerializable(typeof(Todo[]))]
-internal partial class AppJsonSerializerContext : JsonSerializerContext
-{
-
-}

src/WorkFlowCheck.API/WorkFlowCheck.API.csproj

@@ -8,4 +8,13 @@
     <PublishAot>true</PublishAot>
   </PropertyGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\WorkFlowCheck.BL\WorkFlowCheck.BL.csproj" />
+    <ProjectReference Include="..\WorkFlowCheck.DL\WorkFlowCheck.DL.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+  </ItemGroup>
+
 </Project>

src/WorkFlowCheck.API/appsettings.json

@@ -1,4 +1,8 @@
 {
+  "DefaultConnection": {
+    "ConnectionString": "Data Source=(localdb)\\MSSQLLocalDB;Initial Catalog=WorkFlowCheckDB;Integrated Security=True;Connect Timeout=30;Encrypt=False;Trust Server Certificate=False;Application Intent=ReadWrite;Multi Subnet Failover=False"
+  },
+  "ApiKey": "YOUR_SECRET_API_KEY",
   "Logging": {
     "LogLevel": {
       "Default": "Information",

src/WorkFlowCheck.BL/DTO/ResponseDTO.cs

@@ -0,0 +1,10 @@
+using System.Text.Json.Serialization;
+
+namespace WorkFlowCheck.BL.DTO
+{
+    [JsonSerializable(typeof(ResponseDTO))]
+    public class ResponseDTO
+    {
+        public string Message { get; set; } = null!;
+    }
+}

src/WorkFlowCheck.BL/WorkFlowCheck.BL.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

src/WorkFlowCheck.DL/AppDbContext.cs

@@ -0,0 +1,19 @@
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace WorkFlowCheck.DL
+{
+    public class AppDbContext : DbContext
+    {
+        public AppDbContext(DbContextOptions<AppDbContext> options)
+            : base(options)
+        {
+        }
+
+        public DbSet<Entities.User> Users { get; set; } = null!;
+    }
+}

src/WorkFlowCheck.DL/Entities/User.cs

@@ -0,0 +1,9 @@
+namespace WorkFlowCheck.DL.Entities
+{
+    public class User
+    {
+        public int Id { get; set; }
+        public string Name { get; set; } = null!;
+        public string Email { get; set; } = null!;
+    }
+}

src/WorkFlowCheck.DL/WorkFlowCheck.DL.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="9.0.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="7.2.0" />
+  </ItemGroup>
+
+</Project>

src/WorkFlowCheck.sln

@@ -9,6 +9,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Plugin.NFC", "Plugin.NFC\Pl
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WorkFlowCheck.MAUI", "WorkFlowCheck.MAUI\WorkFlowCheck.MAUI.csproj", "{0E2BD120-EE91-4A24-A78A-CE7CA87E09AE}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WorkFlowCheck.DL", "WorkFlowCheck.DL\WorkFlowCheck.DL.csproj", "{25A8C0E7-18C7-4672-ABE8-29596E7E9B72}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WorkFlowCheck.BL", "WorkFlowCheck.BL\WorkFlowCheck.BL.csproj", "{73049F81-7A5D-4819-ADB8-A9926672365E}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -29,6 +33,14 @@ Global
 		{0E2BD120-EE91-4A24-A78A-CE7CA87E09AE}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{0E2BD120-EE91-4A24-A78A-CE7CA87E09AE}.Release|Any CPU.Build.0 = Release|Any CPU
 		{0E2BD120-EE91-4A24-A78A-CE7CA87E09AE}.Release|Any CPU.Deploy.0 = Release|Any CPU
+		{25A8C0E7-18C7-4672-ABE8-29596E7E9B72}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{25A8C0E7-18C7-4672-ABE8-29596E7E9B72}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{25A8C0E7-18C7-4672-ABE8-29596E7E9B72}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{25A8C0E7-18C7-4672-ABE8-29596E7E9B72}.Release|Any CPU.Build.0 = Release|Any CPU
+		{73049F81-7A5D-4819-ADB8-A9926672365E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{73049F81-7A5D-4819-ADB8-A9926672365E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{73049F81-7A5D-4819-ADB8-A9926672365E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{73049F81-7A5D-4819-ADB8-A9926672365E}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE