Adding of new project

DependencyInjection.API/DependencyInjection.API.sln

@@ -0,0 +1,22 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.12.35707.178 d17.12
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DependencyInjection.API", "DependencyInjection.API\DependencyInjection.API.csproj", "{28D4BBDF-9ACB-40C3-8560-0C4230A396C5}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{28D4BBDF-9ACB-40C3-8560-0C4230A396C5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{28D4BBDF-9ACB-40C3-8560-0C4230A396C5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{28D4BBDF-9ACB-40C3-8560-0C4230A396C5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{28D4BBDF-9ACB-40C3-8560-0C4230A396C5}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

DependencyInjection.API/DependencyInjection.API/Controllers/LifetimeDemoController.cs

@@ -0,0 +1,37 @@
+using DependencyInjection.API.Interface;
+using Microsoft.AspNetCore.Mvc;
+
+namespace DependencyInjection.API.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class LifetimeDemoController : Controller
+    {
+        private readonly ITimestampService _timestampService;
+        private readonly IUserSessionService _userSessionService;
+        private readonly IGuidGeneratorService _guidGeneratorService;
+        private IRandomNumberService _randomNumberService;
+
+
+        public LifetimeDemoController(ITimestampService timestampService, IUserSessionService userSessionService, IGuidGeneratorService guidGeneratorService, IRandomNumberService randomNumberService)
+        {
+            _timestampService = timestampService;
+            _userSessionService = userSessionService;
+            _guidGeneratorService = guidGeneratorService;
+            _randomNumberService = randomNumberService;
+        }
+
+        [HttpGet]
+        public IActionResult Get()
+        {
+            return Ok(new
+            {
+                Timestamp = _timestampService.GetTimeStamp(),
+                Session = _userSessionService.GetSessionId(),
+                RandNumber = _randomNumberService.GetRandomNumber(),
+                Guid = _guidGeneratorService.GenerateGuid(),
+            }
+                );
+        }
+    }
+}

DependencyInjection.API/DependencyInjection.API/Controllers/WeatherForecastController.cs

@@ -0,0 +1,33 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace DependencyInjection.API.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class WeatherForecastController : ControllerBase
+    {
+        private static readonly string[] Summaries = new[]
+        {
+            "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
+        };
+
+        private readonly ILogger<WeatherForecastController> _logger;
+
+        public WeatherForecastController(ILogger<WeatherForecastController> logger)
+        {
+            _logger = logger;
+        }
+
+        [HttpGet(Name = "GetWeatherForecast")]
+        public IEnumerable<WeatherForecast> Get()
+        {
+            return Enumerable.Range(1, 5).Select(index => new WeatherForecast
+            {
+                Date = DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
+                TemperatureC = Random.Shared.Next(-20, 55),
+                Summary = Summaries[Random.Shared.Next(Summaries.Length)]
+            })
+            .ToArray();
+        }
+    }
+}

DependencyInjection.API/DependencyInjection.API/DependencyInjection.API.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.2" />
+  </ItemGroup>
+
+</Project>

DependencyInjection.API/DependencyInjection.API/DependencyInjection.API.http

@@ -0,0 +1,6 @@
+@DependencyInjection.API_HostAddress = http://localhost:5029
+
+GET {{DependencyInjection.API_HostAddress}}/weatherforecast/
+Accept: application/json
+
+###

DependencyInjection.API/DependencyInjection.API/Interface/IGuidGeneratorService.cs

@@ -0,0 +1,7 @@
+namespace DependencyInjection.API.Interface
+{
+    public interface IGuidGeneratorService
+    {
+        Guid GenerateGuid();
+    }
+}

DependencyInjection.API/DependencyInjection.API/Interface/IRandomNumberService.cs

@@ -0,0 +1,7 @@
+namespace DependencyInjection.API.Interface
+{
+    public interface IRandomNumberService
+    {
+        int GetRandomNumber();
+    }
+}

DependencyInjection.API/DependencyInjection.API/Interface/ITimestampService.cs

@@ -0,0 +1,7 @@
+namespace DependencyInjection.API.Interface
+{
+    public interface ITimestampService
+    {
+        DateTime GetTimeStamp();
+    }
+}

DependencyInjection.API/DependencyInjection.API/Interface/IUserSessionService.cs

@@ -0,0 +1,7 @@
+namespace DependencyInjection.API.Interface
+{
+    public interface IUserSessionService
+    {
+        string GetSessionId();
+    }
+}

DependencyInjection.API/DependencyInjection.API/Program.cs

@@ -0,0 +1,33 @@
+using DependencyInjection.API.Interface;
+using DependencyInjection.API.Service;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+
+builder.Services.AddControllers();
+// Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
+builder.Services.AddOpenApi();
+
+builder.Services.AddScoped<IRandomNumberService, RandomNumberService>();
+builder.Services.AddScoped<ITimestampService, TimestampService>();
+builder.Services.AddTransient<IUserSessionService, UserSessionService>();
+builder.Services.AddTransient<IGuidGeneratorService, GuidGeneratorService>();
+
+
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.MapOpenApi();
+}
+
+app.UseHttpsRedirection();
+
+app.UseAuthorization();
+
+app.MapControllers();
+
+app.Run();

DependencyInjection.API/DependencyInjection.API/Properties/launchSettings.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "https://json.schemastore.org/launchsettings.json",
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "http://localhost:5029",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "https://localhost:7029;http://localhost:5029",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

DependencyInjection.API/DependencyInjection.API/Service/GuidGeneratorService.cs

@@ -0,0 +1,10 @@
+using DependencyInjection.API.Interface;
+
+namespace DependencyInjection.API.Service
+{
+    public class GuidGeneratorService : IGuidGeneratorService
+    {
+
+        public Guid GenerateGuid() => Guid.NewGuid();
+    }
+}

DependencyInjection.API/DependencyInjection.API/Service/RandomNumberService.cs

@@ -0,0 +1,18 @@
+using DependencyInjection.API.Interface;
+
+namespace DependencyInjection.API.Service
+{
+    public class RandomNumberService : IRandomNumberService
+    {
+        private int _randomNumber;
+
+        public RandomNumberService()
+        {
+            _randomNumber = new Random().Next(1, 200) + 1;
+        }
+        public int GetRandomNumber()
+        {
+            return _randomNumber;
+        }
+    }
+}

DependencyInjection.API/DependencyInjection.API/Service/TimestampService.cs

@@ -0,0 +1,17 @@
+using DependencyInjection.API.Interface;
+
+namespace DependencyInjection.API.Service
+{
+    public class TimestampService : ITimestampService
+    {
+        private readonly DateTime _timestamp;
+        public TimestampService()
+        {
+
+            _timestamp = DateTime.UtcNow;
+
+        }
+
+        public DateTime GetTimeStamp() => _timestamp;
+    }
+}

DependencyInjection.API/DependencyInjection.API/Service/UserSessionService.cs

@@ -0,0 +1,16 @@
+using DependencyInjection.API.Interface;
+
+namespace DependencyInjection.API.Service
+{
+    public class UserSessionService : IUserSessionService
+    {
+        private readonly string _userId;
+
+        public UserSessionService()
+        {
+            _userId = $"Session_{DateTime.UtcNow.Ticks}";
+        }
+        public string GetSessionId() => _userId;
+
+    }
+}

DependencyInjection.API/DependencyInjection.API/WeatherForecast.cs

@@ -0,0 +1,13 @@
+namespace DependencyInjection.API
+{
+    public class WeatherForecast
+    {
+        public DateOnly Date { get; set; }
+
+        public int TemperatureC { get; set; }
+
+        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+
+        public string? Summary { get; set; }
+    }
+}

DependencyInjection.API/DependencyInjection.API/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

DependencyInjection.API/DependencyInjection.API/appsettings.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}