加入專案檔案。

CoreProfilerExample.Repository/CoreProfilerExample.Repository.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\CoreProfilerExample.Common\CoreProfilerExample.Common.csproj" />
+  </ItemGroup>
+
+</Project>

CoreProfilerExample.Repository/Implements/WeatherForecastRepository.cs

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+using CoreProfilerExample.Repository.Interfaces;
+using CoreProfilerExample.Repository.Models.DataModels;
+using static CoreProfilerExample.Common.Constants.WeatherConstant;
+
+namespace CoreProfilerExample.Repository.Implements
+{
+    public class WeatherForecastRepository : IWeatherForecastRepository
+    {
+        public Task<IEnumerable<WeatherForecastDataModel>> GetAsync(int days)
+        {
+            return Task.Run(() => days > 0 ? Enumerable.Range(1, days).Select(index => new WeatherForecastDataModel
+            {
+                Date = DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
+                TemperatureC = Random.Shared.Next(-20, 55),
+                Summary = WeatherSummaries[Random.Shared.Next(WeatherSummaries.Length)]
+            }) : []);
+        }
+    }
+}

CoreProfilerExample.Repository/Interfaces/IWeatherForecastRepository.cs

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+using CoreProfilerExample.Repository.Models.DataModels;
+
+namespace CoreProfilerExample.Repository.Interfaces
+{
+    public interface IWeatherForecastRepository
+    {
+        public Task<IEnumerable<WeatherForecastDataModel>> GetAsync(int days);
+    }
+}

CoreProfilerExample.Repository/Models/DataModels/WeatherForecastDataModel.cs

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+namespace CoreProfilerExample.Repository.Models.DataModels
+{
+    public class WeatherForecastDataModel
+    {
+        public DateOnly Date { get; set; }
+
+        public int TemperatureC { get; set; }
+
+        public string? Summary { get; set; }
+    }
+}