make structure

add tests

.cursor/rules/coderule.mdc

@@ -0,0 +1,21 @@
+---
+description: Coding rules
+alwaysApply: true
+---
+# Coding preferences
+- Always prefer simple solution
+- Generate concise code
+- Do not put comments in the code
+- Do not put logs unless it is an exception, or was asked specifically
+- Do not put code annotations unless it was asked specifically 
+- Your changes should be well correlated with what was requested. In case of any uncertainties ask questions.
+- Mocking data is needed only for tests
+- When you add new libraries or dependencies make sure you are using the same version of it as other parts of the code
+
+- Focus on the areas of code relevant to the task
+- Do not touch code that is unrelated to the task
+- Always think about what other methods and areas of code might be affected by the code changes
+- When you think you are done with changes, run tests and make sure they are not broken
+- Do not rename any databases or tables or table columns without confirmation. Avoid such renaming if possible.
+- Do not create diagrams unless I ask explicitly
+- Do not commit binaries, create and keep .gitignore up to date and delete binaries after you are done with the task

.cursor/rules/techstackrule.mdc

@@ -0,0 +1,9 @@
+---
+description: Techstack
+alwaysApply: true
+---
+# Tech Stack
+- Use poetry
+- Cython for backend
+- Using Postgres database
+- document api with OpenAPI

.vscode/settings.json

@@ -0,0 +1,12 @@
+{
+    "workbench.colorCustomizations": {
+        "editor.background": "#191A1C",
+        "sideBar.background": "#191A1C",
+        "activityBar.background": "#191A1C",
+        "panel.background": "#191A1C",
+        "terminal.background": "#191A1C",
+        "editorGroupHeader.tabsBackground": "#191A1C",
+        "tab.inactiveBackground": "#191A1C"
+    }
+}
+

SatelliteProvider.Api/SatelliteProvider.Api.csproj

@@ -13,4 +13,8 @@
         <PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2"/>
     </ItemGroup>
 
+    <ItemGroup>
+      <ProjectReference Include="..\SatelliteProvider.Common\SatelliteProvider.Common.csproj" />
+    </ItemGroup>
+
 </Project>

SatelliteProvider.Common/Configs/MapConfig.cs

@@ -1,4 +1,4 @@
-namespace SatelliteProvider.Configs;
+namespace SatelliteProvider.Common.Configs;
 
 public class MapConfig
 {

SatelliteProvider.Common/DTO/Direction.cs

@@ -1,4 +1,4 @@
-namespace SatelliteProvider.DTO;
+namespace SatelliteProvider.Common.DTO;
 
 public class Direction
 {

SatelliteProvider.Common/DTO/GeoPoint.cs

@@ -1,4 +1,4 @@
-namespace SatelliteProvider;
+namespace SatelliteProvider.Common.DTO;
 
 public class GeoPoint
 {

SatelliteProvider.Common/DTO/SatTile.cs

@@ -1,9 +1,12 @@
-namespace SatelliteProvider.DTO;
+using SatelliteProvider.Common.Utils;
+
+namespace SatelliteProvider.Common.DTO;
 
 public class SatTile
 {
     public int X { get; }
     public int Y { get; }
+    public int Zoom { get; }
     public GeoPoint LeftTop { get; }
     public GeoPoint BottomRight { get; }
     public string Url { get; set; }
@@ -13,13 +16,14 @@ public class SatTile
     {
         X = x;
         Y = y;
+        Zoom = zoom;
         Url = url;
 
         LeftTop = GeoUtils.TileToWorldPos(x, y, zoom);
         BottomRight = GeoUtils.TileToWorldPos(x + 1, y + 1, zoom);
     }
 
-    public string FileName => $"tile_lt_{LeftTop.Lat:F6}_{LeftTop.Lon:F6}_br_{BottomRight.Lat:F6}_{BottomRight.Lon:F6}.jpg";
+    public string FileName => $"{X}.{Y}.{Zoom}.jpg";
 
     public override string ToString()
     {

SatelliteProvider.Common/Interfaces/ISatelliteDownloader.cs

@@ -0,0 +1,8 @@
+using SatelliteProvider.Common.DTO;
+
+namespace SatelliteProvider.Common.Interfaces;
+
+public interface ISatelliteDownloader
+{
+    Task GetTiles(GeoPoint geoPoint, double radiusM, int zoomLevel, CancellationToken token = default);
+}

SatelliteProvider.Common/SatelliteProvider.Common.csproj

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

SatelliteProvider.Common/Utils/GeoUtils.cs

@@ -1,16 +1,16 @@
-using SatelliteProvider.DTO;
+using SatelliteProvider.Common.DTO;
 
-namespace SatelliteProvider;
+namespace SatelliteProvider.Common.Utils;
 
 public static class GeoUtils
 {
     private const double EARTH_RADIUS = 6378137;
 
-    public static (int x, int y) WorldToTilePos(double lat, double lon, int zoom)
+    public static (int x, int y) WorldToTilePos(GeoPoint point, int zoom)
     {
-        var latRad = lat * Math.PI / 180.0;
+        var latRad = point.Lat * Math.PI / 180.0;
         var n = Math.Pow(2.0, zoom);
-        var xTile = (int)Math.Floor((lon + 180.0) / 360.0 * n);
+        var xTile = (int)Math.Floor((point.Lon + 180.0) / 360.0 * n);
         var yTile = (int)Math.Floor((1.0 - Math.Log(Math.Tan(latRad) + 1.0 / Math.Cos(latRad)) / Math.PI) / 2.0 * n);
         return (xTile, yTile);
     }

SatelliteProvider.Services/GoogleMapsDownloader.cs

@@ -0,0 +1,104 @@
+using System.Collections.Concurrent;
+using System.Net.Http.Json;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using Newtonsoft.Json;
+using SatelliteProvider.Common.Configs;
+using SatelliteProvider.Common.DTO;
+using SatelliteProvider.Common.Interfaces;
+using SatelliteProvider.Common.Utils;
+using SixLabors.ImageSharp;
+
+namespace SatelliteProvider.Services;
+
+
+public class GoogleMapsDownloader(ILogger<GoogleMapsDownloader> logger, IOptions<MapConfig> mapConfig, IHttpClientFactory httpClientFactory)
+    : ISatelliteDownloader
+{
+    private const string TILE_URL_TEMPLATE = "https://mt{0}.google.com/vt/lyrs=s&x={1}&y={2}&z={3}&token={4}";
+    private const string USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.0.0 Safari/537.36";
+    private const int NUM_SERVERS = 4;
+    private readonly string _apiKey = mapConfig.Value.ApiKey;
+
+    private readonly string _satDirectory = Path.Combine(Directory.GetCurrentDirectory(), "maps");
+
+
+    private record SessionResponse(string Session);
+
+    private async Task<string?> GetSessionToken()
+    {
+        var url = $"https://tile.googleapis.com/v1/createSession?key={_apiKey}";
+        using var httpClient = httpClientFactory.CreateClient();
+        try
+        {
+            var str = JsonConvert.SerializeObject(new { mapType = "satellite" });
+            var response = await httpClient.PostAsync(url, new StringContent(str));
+            response.EnsureSuccessStatusCode();
+            var sessionResponse = await response.Content.ReadFromJsonAsync<SessionResponse>();
+            return sessionResponse?.Session;
+        }
+        catch (Exception e)
+        {
+            logger.LogError(e, "Failed to get session token");
+            throw;
+        }
+    }
+
+    public async Task GetTiles(GeoPoint centerGeoPoint, double radiusM, int zoomLevel, CancellationToken token = default)
+    {
+        var (latMin, latMax, lonMin, lonMax) = GeoUtils.GetBoundingBox(centerGeoPoint, radiusM);
+
+        var (xMin, yMin) = GeoUtils.WorldToTilePos(new GeoPoint(latMax, lonMin), zoomLevel);
+        var (xMax, yMax) = GeoUtils.WorldToTilePos(new GeoPoint(latMin, lonMax), zoomLevel);
+
+        var tilesToDownload = new ConcurrentQueue<SatTile>();
+        var server = 0;
+        var sessionToken = await GetSessionToken();
+
+        for (var y = yMin; y <= yMax + 1; y++)
+            for (var x = xMin; x <= xMax + 1; x++)
+            {
+                token.ThrowIfCancellationRequested();
+                var url = string.Format(TILE_URL_TEMPLATE, server, x, y, zoomLevel, sessionToken);
+
+                tilesToDownload.Enqueue(new SatTile(x, y, zoomLevel, url));
+                server = (server + 1) % NUM_SERVERS;
+            }
+
+        var downloadTasks = new List<Task>();
+
+        for (int i = 0; i < NUM_SERVERS; i++)
+        {
+            downloadTasks.Add(Task.Run(() => DownloadTilesWorker(tilesToDownload, token), token));
+        }
+
+        await Task.WhenAll(downloadTasks);
+    }
+
+    private async Task DownloadTilesWorker(ConcurrentQueue<SatTile> tilesToDownload, CancellationToken token)
+    {
+        using var httpClient = httpClientFactory.CreateClient();
+
+        while (tilesToDownload.TryDequeue(out var tileInfo))
+        {
+            if (token.IsCancellationRequested) break;
+            try
+            {
+                httpClient.DefaultRequestHeaders.UserAgent.ParseAdd(USER_AGENT);
+                var response = await httpClient.GetAsync(tileInfo.Url, token);
+                response.EnsureSuccessStatusCode();
+                var tileData = await response.Content.ReadAsByteArrayAsync(token);
+                using var tileImage = Image.Load(tileData);
+                await tileImage.SaveAsync(Path.Combine(_satDirectory, tileInfo.FileName), token);
+            }
+            catch (HttpRequestException requestException)
+            {
+                logger.LogError(requestException, "Failed to download tile. Url: {Url}", tileInfo.Url);
+            }
+            catch (Exception e)
+            {
+                logger.LogError(e, "Failed to download tile");
+            }
+        }
+    }
+}

SatelliteProvider.Services/SatelliteProvider.Services.csproj

@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.10" />
+      <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.10" />
+      <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="9.0.10" />
+      <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
+      <PackageReference Include="SixLabors.ImageSharp" Version="3.1.11" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\SatelliteProvider.Common\SatelliteProvider.Common.csproj" />
+    </ItemGroup>
+
+</Project>

SatelliteProvider.Tests/GoogleMapsDownloaderTests.cs

@@ -0,0 +1,57 @@
+using FluentAssertions;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using SatelliteProvider.Common.Configs;
+using SatelliteProvider.Common.DTO;
+using SatelliteProvider.Services;
+using Xunit;
+
+namespace SatelliteProvider.Tests;
+
+public class GoogleMapsDownloaderTests
+{
+    [Fact]
+    public async Task IntegrationTest_DownloadRealTiles_ShouldDownloadBytes()
+    {
+        var configuration = new ConfigurationBuilder()
+            .SetBasePath(Directory.GetCurrentDirectory())
+            .AddJsonFile("appsettings.json")
+            .Build();
+
+        var mapConfig = new MapConfig();
+        configuration.GetSection("MapConfig").Bind(mapConfig);
+
+        var services = new ServiceCollection();
+        services.AddHttpClient();
+        services.AddLogging(builder => builder.AddConsole());
+        var serviceProvider = services.BuildServiceProvider();
+
+        var logger = serviceProvider.GetRequiredService<ILogger<GoogleMapsDownloader>>();
+        var options = Options.Create(mapConfig);
+        var httpClientFactory = serviceProvider.GetRequiredService<IHttpClientFactory>();
+
+        var downloader = new GoogleMapsDownloader(logger, options, httpClientFactory);
+
+        var centerPoint = new GeoPoint(37.7749, -122.4194);
+        var radius = 200.0;
+        var zoomLevel = 15;
+
+        await downloader.GetTiles(centerPoint, radius, zoomLevel);
+
+        var mapsDirectory = Path.Combine(Directory.GetCurrentDirectory(), "maps");
+        Directory.Exists(mapsDirectory).Should().BeTrue();
+
+        var files = Directory.GetFiles(mapsDirectory, "*.jpg");
+        files.Should().NotBeEmpty();
+
+        var totalBytes = files.Sum(file => new FileInfo(file).Length);
+        totalBytes.Should().BeGreaterThan(0);
+
+        foreach (var file in files)
+        {
+            File.Delete(file);
+        }
+    }
+}

SatelliteProvider.Tests/SatelliteProvider.Tests.csproj

@@ -0,0 +1,42 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="coverlet.collector" Version="6.0.0" />
+    <PackageReference Include="FluentAssertions" Version="8.8.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="9.0.10" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.10" />
+    <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.10" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.10" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="9.0.10" />
+    <PackageReference Include="Microsoft.Extensions.Options" Version="9.0.10" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Moq" Version="4.20.72" />
+    <PackageReference Include="xunit" Version="2.5.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Using Include="Xunit" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="appsettings.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\SatelliteProvider.Services\SatelliteProvider.Services.csproj" />
+    <ProjectReference Include="..\SatelliteProvider.Common\SatelliteProvider.Common.csproj" />
+  </ItemGroup>
+
+</Project>

SatelliteProvider.Tests/appsettings.json

@@ -0,0 +1,5 @@
+{
+  "MapConfig": {
+    "ApiKey": "AIzaSyAXRBDBOskC5QOHG6VJWzmVJwYKcu6WH8k"
+  }
+}

SatelliteProvider.sln

@@ -1,6 +1,13 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SatelliteProvider", "SatelliteProvider\SatelliteProvider.csproj", "{35C6FC8B-92D8-4D8D-BE36-D6B181715019}"
+# 
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SatelliteProvider.Api", "SatelliteProvider.Api\SatelliteProvider.Api.csproj", "{35C6FC8B-92D8-4D8D-BE36-D6B181715019}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SatelliteProvider.Common", "SatelliteProvider.Common\SatelliteProvider.Common.csproj", "{5499248E-F025-4091-9103-6AA02C6CB613}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SatelliteProvider.Services", "SatelliteProvider.Services\SatelliteProvider.Services.csproj", "{452166A0-28C3-429F-B2BD-39041FB7B5A5}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SatelliteProvider.Tests", "SatelliteProvider.Tests\SatelliteProvider.Tests.csproj", "{A44A2E49-9270-4938-9D34-A31CE63E636C}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -12,5 +19,17 @@ Global
 		{35C6FC8B-92D8-4D8D-BE36-D6B181715019}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{35C6FC8B-92D8-4D8D-BE36-D6B181715019}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{35C6FC8B-92D8-4D8D-BE36-D6B181715019}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5499248E-F025-4091-9103-6AA02C6CB613}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5499248E-F025-4091-9103-6AA02C6CB613}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5499248E-F025-4091-9103-6AA02C6CB613}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5499248E-F025-4091-9103-6AA02C6CB613}.Release|Any CPU.Build.0 = Release|Any CPU
+		{452166A0-28C3-429F-B2BD-39041FB7B5A5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{452166A0-28C3-429F-B2BD-39041FB7B5A5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{452166A0-28C3-429F-B2BD-39041FB7B5A5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{452166A0-28C3-429F-B2BD-39041FB7B5A5}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A44A2E49-9270-4938-9D34-A31CE63E636C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A44A2E49-9270-4938-9D34-A31CE63E636C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A44A2E49-9270-4938-9D34-A31CE63E636C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A44A2E49-9270-4938-9D34-A31CE63E636C}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

SatelliteProvider/Configs/DirectoriesConfig.cs

@@ -1,15 +0,0 @@
-namespace SatelliteProvider.Configs;
-
-public class DirectoriesConfig
-{
-    public string? ApiResourcesDirectory { get; set; } = null!;
-
-    public string VideosDirectory { get; set; } = null!;
-    public string LabelsDirectory { get; set; } = null!;
-    public string ImagesDirectory { get; set; } = null!;
-    public string ResultsDirectory { get; set; } = null!;
-    public string ThumbnailsDirectory { get; set; } = null!;
-
-    public string GpsSatDirectory { get; set; } = null!;
-    public string GpsRouteDirectory { get; set; } = null!;
-}

SatelliteProvider/SatelliteDownloader.cs

@@ -1,107 +0,0 @@
-using System.Collections.Concurrent;
-using Microsoft.Extensions.Options;
-using Newtonsoft.Json;
-using SatelliteProvider.Configs;
-using SatelliteProvider.DTO;
-using SixLabors.ImageSharp;
-
-namespace SatelliteProvider;
-
-public interface ISatelliteDownloader
-{
-    Task GetTiles(GeoPoint geoPoint, double radiusM, int zoomLevel, CancellationToken token = default);
-}
-
-public class SatelliteDownloader(ILogger<SatelliteDownloader> logger, IOptions<MapConfig> mapConfig, IHttpClientFactory httpClientFactory)
-    : ISatelliteDownloader
-{
-    private const string TILE_URL_TEMPLATE = "https://mt{0}.google.com/vt/lyrs=s&x={1}&y={2}&z={3}&token={4}";
-    private const int NUM_SERVERS = 4;
-    private readonly string _apiKey = mapConfig.Value.ApiKey;
-
-    private readonly string _satDirectory = Path.Combine(Directory.GetCurrentDirectory(), "maps");
-
-
-    private record SessionResponse(string Session);
-
-    private async Task<string?> GetSessionToken()
-    {
-        var url = $"https://tile.googleapis.com/v1/createSession?key={_apiKey}";
-        using var httpClient = httpClientFactory.CreateClient();
-        try
-        {
-            var str = JsonConvert.SerializeObject(new { mapType = "satellite" });
-            var response = await httpClient.PostAsync(url, new StringContent(str));
-            response.EnsureSuccessStatusCode();
-            var sessionResponse = await response.Content.ReadFromJsonAsync<SessionResponse>();
-            return sessionResponse?.Session;
-        }
-        catch (Exception e)
-        {
-            logger.LogError(e, e.Message);
-            throw;
-        }
-    }
-
-    public async Task GetTiles(GeoPoint centerGeoPoint, double radiusM, int zoomLevel, CancellationToken token = default)
-    {
-        var (latMin, latMax, lonMin, lonMax) = GeoUtils.GetBoundingBox(centerGeoPoint, radiusM);
-
-        var (xMin, yMin) = GeoUtils.WorldToTilePos(latMax, lonMin, zoomLevel); // Top-left corner
-        var (xMax, yMax) = GeoUtils.WorldToTilePos(latMin, lonMax, zoomLevel); // Bottom-right corner
-
-        var tilesToDownload = new ConcurrentQueue<SatTile>();
-        var server = 0;
-        var sessionToken = await GetSessionToken();
-
-        for (var y = yMin; y <= yMax + 1; y++)
-            for (var x = xMin; x <= xMax + 1; x++)
-            {
-                token.ThrowIfCancellationRequested();
-                var url = string.Format(TILE_URL_TEMPLATE, server, x, y, zoomLevel, sessionToken);
-
-                tilesToDownload.Enqueue(new SatTile(x, y, zoomLevel, url));
-                server = (server + 1) % NUM_SERVERS;
-            }
-
-        var downloadTasks = new List<Task>();
-        int downloadedCount = 0;
-
-
-        for (int i = 0; i < NUM_SERVERS; i++)
-        {
-            downloadTasks.Add(Task.Run(async () =>
-            {
-                using var httpClient = httpClientFactory.CreateClient();
-
-                while (tilesToDownload.TryDequeue(out var tileInfo))
-                {
-                    if (token.IsCancellationRequested) break;
-                    try
-                    {
-                        httpClient.DefaultRequestHeaders.UserAgent.ParseAdd("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.0.0 Safari/537.36");
-                        var response = await httpClient.GetAsync(tileInfo.Url, token);
-                        response.EnsureSuccessStatusCode();
-                        var tileData = await response.Content.ReadAsByteArrayAsync(token);
-                        using var tileImage = Image.Load(tileData);
-                        await tileImage.SaveAsync(Path.Combine(_satDirectory, tileInfo.FileName), token);
-                        if (tileData.Length > 0)
-                        {
-                            Interlocked.Increment(ref downloadedCount);
-                        }
-                    }
-                    catch (HttpRequestException requestException)
-                    {
-                        logger.LogError(requestException, $"Fail to download tile! Url: {tileInfo.Url}. {requestException.Message}");
-                    }
-                    catch (Exception e)
-                    {
-                        logger.LogError(e, $"Fail to download tile! {e.Message}");
-                    }
-                }
-            }, token));
-        }
-
-        await Task.WhenAll(downloadTasks);
-    }
-}