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LearnCollectInst.Api/Controllers/WeatherForecastController.cs

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+using LearnCollectInst.Api.Model;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LearnCollectInst.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()
+        {
+            _logger.LogInformation("Weather forecast list started");
+
+            var result = Enumerable.Range(1, 5).Select(index => new WeatherForecast
+            {
+                Date = DateTime.Now.AddDays(index),
+                TemperatureC = Random.Shared.Next(-20, 55),
+                Summary = Summaries[Random.Shared.Next(Summaries.Length)]
+            })
+            .ToArray();
+
+            // PLAYGROUND:
+            //throw new ArgumentException("some induced error");
+
+            _logger.LogWarning("Weather forecast list was generated", result.Length);
+            return result;
+        }
+    }
+}