GradleSetup.cs

using System.IO;
using System.Text.RegularExpressions;
using Sentry.Extensibility;

namespace Sentry.Unity.Editor.Android;

internal class GradleSetup
{
    private readonly IDiagnosticLogger _logger;

    private const string AndroidMarker = "android {";
    private const string SdkDependenciesFull = SdkDependencies + "\n}\n\n" + AndroidMarker;

    public const string SdkDependencies = @"dependencies {
    implementation(name: 'sentry-android-ndk-release', ext:'aar')
    implementation(name: 'sentry-android-core-release', ext:'aar')
    implementation(name: 'sentry-android-replay-release', ext:'aar')";
    public const string DependenciesAddedMessage = "The Sentry Gradle dependencies have already been added.";
    private readonly string _unityLibraryGradle;

    public GradleSetup(IDiagnosticLogger logger, string gradleProjectPath)
    {
        _logger = logger;
        _unityLibraryGradle = Path.Combine(gradleProjectPath, "unityLibrary", "build.gradle");
    }

    public void UpdateGradleProject()
    {
        _logger.LogInfo("Adding Sentry to the gradle project.");
        var fileContent = LoadGradleScript(_unityLibraryGradle);
        fileContent = AddSentryToGradle(fileContent);
        File.WriteAllText(_unityLibraryGradle, fileContent);
    }

    public void ClearGradleProject()
    {
        _logger.LogInfo("Removing Sentry from the gradle project.");
        var fileContent = LoadGradleScript(_unityLibraryGradle);

        if (!fileContent.Contains(SdkDependenciesFull))
        {
            _logger.LogDebug("The Sentry Gradle dependencies have already been removed.");
            return;
        }

        fileContent = fileContent.Replace(SdkDependenciesFull, AndroidMarker);
        File.WriteAllText(_unityLibraryGradle, fileContent);
    }

    public string AddSentryToGradle(string fileContent)
    {
        if (fileContent.Contains(SdkDependenciesFull))
        {
            _logger.LogDebug(DependenciesAddedMessage);
            return fileContent;
        }

        var regex = new Regex(Regex.Escape(AndroidMarker));
        return regex.Replace(fileContent, SdkDependenciesFull, 1);
    }

    internal static string LoadGradleScript(string path)
    {
        if (!File.Exists(path))
        {
            throw new FileNotFoundException("Failed to find the gradle config.", path);
        }
        return File.ReadAllText(path);
    }
}