73 lines
2.4 KiB
C#
73 lines
2.4 KiB
C#
using System.Runtime.InteropServices;
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namespace EpsonPrintService;
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public static class ConfigurationPaths
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{
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private const string LinuxConfigDir = "/root/epsonprintservice";
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private const string LocalConfigFileName = "config.txt";
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public static string GetConfigPath()
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{
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// Check for explicit override via environment variable
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var envPath = Environment.GetEnvironmentVariable("EPSON_CONFIG_PATH");
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if (!string.IsNullOrEmpty(envPath))
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return envPath;
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// Windows: always use local config.json
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if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
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{
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return LocalConfigFileName;
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}
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// Linux: use persistent system directory
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var persistentPath = Path.Combine(LinuxConfigDir, LocalConfigFileName);
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// If persistent config exists, use it
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if (File.Exists(persistentPath))
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{
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return persistentPath;
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}
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// If only local config exists, migrate it to persistent location
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if (File.Exists(LocalConfigFileName))
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{
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MigrateConfig(LocalConfigFileName, persistentPath);
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return persistentPath;
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}
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// Default to persistent path (will fail if doesn't exist, which is expected)
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return persistentPath;
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}
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private static void MigrateConfig(string sourcePath, string destinationPath)
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{
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try
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{
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var destDir = Path.GetDirectoryName(destinationPath);
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if (!string.IsNullOrEmpty(destDir) && !Directory.Exists(destDir))
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{
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Directory.CreateDirectory(destDir);
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}
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File.Copy(sourcePath, destinationPath, overwrite: false);
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Console.WriteLine($"Migrated configuration from {sourcePath} to {destinationPath}");
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}
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catch (UnauthorizedAccessException)
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{
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Console.WriteLine($"Warning: Cannot migrate config to {destinationPath} (permission denied). Using local config.");
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// Fall back to local config if we can't write to system directory
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}
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catch (IOException ex) when (ex.Message.Contains("already exists"))
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{
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// File was created by another process, that's fine
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}
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}
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public static string GetConfigDirectory()
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{
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var configPath = GetConfigPath();
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return Path.GetDirectoryName(configPath) ?? ".";
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}
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}
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