server-master/srcs/_plugins/Plugin.ResourceLoader/Services/ResourceFilesPostgresSyncService.cs

118 lines
4.9 KiB
C#

using System;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Extensions.Hosting;
using Npgsql;
using PhoenixLib.Logging;
namespace Plugin.ResourceLoader.Services
{
public class ResourceFilesPostgresSyncService : IHostedService
{
private readonly ResourceLoadingConfiguration _configuration;
public ResourceFilesPostgresSyncService(ResourceLoadingConfiguration configuration)
{
_configuration = configuration;
}
public Task StartAsync(CancellationToken cancellationToken)
{
if (string.Equals(Environment.GetEnvironmentVariable("PARSER_DB_SYNC"), "false", StringComparison.OrdinalIgnoreCase))
{
return Task.CompletedTask;
}
try
{
string host = Environment.GetEnvironmentVariable("DATABASE_IP")
?? Environment.GetEnvironmentVariable("POSTGRES_DATABASE_IP")
?? "127.0.0.1";
string port = Environment.GetEnvironmentVariable("DATABASE_PORT")
?? Environment.GetEnvironmentVariable("POSTGRES_DATABASE_PORT")
?? "5432";
string db = Environment.GetEnvironmentVariable("DATABASE_NAME")
?? Environment.GetEnvironmentVariable("POSTGRES_DATABASE_NAME")
?? "game";
string user = Environment.GetEnvironmentVariable("DATABASE_USER")
?? Environment.GetEnvironmentVariable("POSTGRES_DATABASE_USER")
?? "postgres";
string pass = Environment.GetEnvironmentVariable("DATABASE_PASSWORD")
?? Environment.GetEnvironmentVariable("POSTGRES_DATABASE_PASSWORD")
?? "postgres";
string root = _configuration.ResourcePaths;
string datPath = _configuration.GameDataPath;
string langPath = _configuration.GameLanguagePath;
string[] datFiles = Directory.Exists(datPath)
? Directory.GetFiles(datPath, "*", SearchOption.AllDirectories)
: Array.Empty<string>();
string[] langFiles = Directory.Exists(langPath)
? Directory.GetFiles(langPath, "*", SearchOption.AllDirectories)
: Array.Empty<string>();
using var conn = new NpgsqlConnection($"Host={host};Port={port};Database={db};Username={user};Password={pass}");
conn.Open();
using var tx = conn.BeginTransaction();
using (var cmd = new NpgsqlCommand(@"CREATE TABLE IF NOT EXISTS resource_files (
id BIGSERIAL PRIMARY KEY,
category TEXT NOT NULL,
relative_path TEXT NOT NULL,
sha256 TEXT NOT NULL,
content BYTEA NOT NULL,
size_bytes INT NOT NULL,
synced_at TIMESTAMP NOT NULL DEFAULT NOW(),
UNIQUE(category, relative_path)
);", conn, tx))
{
cmd.ExecuteNonQuery();
}
UpsertFiles(conn, tx, root, "dat", datFiles);
UpsertFiles(conn, tx, root, "lang", langFiles);
tx.Commit();
Log.Info($"[PARSER_DB_SYNC] Synced resource_files dat={datFiles.Length} lang={langFiles.Length}");
}
catch (Exception ex)
{
Log.Error("[PARSER_DB_SYNC] Failed to sync resource files", ex);
}
return Task.CompletedTask;
}
public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask;
private static void UpsertFiles(NpgsqlConnection conn, NpgsqlTransaction tx, string root, string category, string[] files)
{
foreach (string file in files.Where(File.Exists))
{
byte[] content = File.ReadAllBytes(file);
string hash;
using (SHA256 sha = SHA256.Create())
{
hash = Convert.ToHexString(sha.ComputeHash(content));
}
string relative = Path.GetRelativePath(root, file).Replace('\\', '/');
using var cmd = new NpgsqlCommand(@"INSERT INTO resource_files(category,relative_path,sha256,content,size_bytes,synced_at)
VALUES (@category,@path,@sha,@content,@size,NOW())
ON CONFLICT (category, relative_path)
DO UPDATE SET sha256=EXCLUDED.sha256, content=EXCLUDED.content, size_bytes=EXCLUDED.size_bytes, synced_at=NOW();", conn, tx);
cmd.Parameters.AddWithValue("category", category);
cmd.Parameters.AddWithValue("path", relative);
cmd.Parameters.AddWithValue("sha", hash);
cmd.Parameters.AddWithValue("content", content);
cmd.Parameters.AddWithValue("size", content.Length);
cmd.ExecuteNonQuery();
}
}
}
}