113 lines
3.5 KiB
C#
113 lines
3.5 KiB
C#
using System.Text.Encodings.Web;
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using System.Text.Json;
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using System.Text.Json.Nodes;
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using MiGu.Server.Launcher;
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namespace MiGu.Server.Signal;
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public sealed record SignalColumn(string Key, string Label, string Type, IReadOnlyList<string>? Options = null, string? Group = null);
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public sealed record SignalTableDef(
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string Id,
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string Title,
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string Category,
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string FileName,
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IReadOnlyList<SignalColumn> Columns);
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/// <summary>
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/// 读写 SimpleLite 工作目录 <c>Config/Signal/*.json</c>，供迷毂「数据中心」表格编辑。
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/// 表结构优先从 StandardScene.Signal.dll 反射；无插件时才读 signal-tables.json。
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/// </summary>
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public sealed class SignalDataStore
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{
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private static readonly JsonSerializerOptions FileJson = new()
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{
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WriteIndented = true,
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Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
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};
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private static readonly object FileLock = new();
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private readonly SimpleLiteLauncher _launcher;
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private IReadOnlyList<SignalTableDef>? _cachedTables;
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private long _cachedSignature;
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public SignalDataStore(SimpleLiteLauncher launcher) => _launcher = launcher;
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public IReadOnlyList<SignalTableDef> GetTables()
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{
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var sig = SignalTableManifestLoader.ComputeManifestSignature(_launcher);
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if (_cachedTables == null || sig != _cachedSignature)
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{
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_cachedTables = SignalTableManifestLoader.Load(_launcher);
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_cachedSignature = sig;
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}
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return _cachedTables;
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}
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public SignalTableDef? Find(string id) =>
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GetTables().FirstOrDefault(t => string.Equals(t.Id, id, StringComparison.OrdinalIgnoreCase));
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public string? ResolveWorkingDirectory() => _launcher.ResolveWorkingDirectory();
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public (string? Path, string? Error) ResolveFile(SignalTableDef table, bool createDir)
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{
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var wd = _launcher.ResolveWorkingDirectory();
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if (string.IsNullOrWhiteSpace(wd))
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return (null, "未找到 SimpleLite 工作目录，无法定位 Config/Signal");
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var dest = Path.GetFullPath(Path.Combine(wd, "Config", "Signal", table.FileName));
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if (File.Exists(dest))
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return (dest, null);
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if (createDir)
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{
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try
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{
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var dir = Path.GetDirectoryName(dest);
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if (!string.IsNullOrEmpty(dir))
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Directory.CreateDirectory(dir);
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}
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catch (Exception ex)
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{
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return (null, ex.Message);
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}
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}
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return (dest, null);
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}
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public JsonArray LoadRows(SignalTableDef table)
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{
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var (path, _) = ResolveFile(table, createDir: false);
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if (path == null || !File.Exists(path))
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return new JsonArray();
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lock (FileLock)
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{
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var json = File.ReadAllText(path);
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if (string.IsNullOrWhiteSpace(json))
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return new JsonArray();
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var node = JsonNode.Parse(json);
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if (node is JsonArray arr)
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return arr;
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return new JsonArray();
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}
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}
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public void SaveRows(SignalTableDef table, JsonArray rows)
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{
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var (path, error) = ResolveFile(table, createDir: true);
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if (path == null)
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throw new InvalidOperationException(error ?? "无法解析信号配置文件路径");
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var dir = Path.GetDirectoryName(path);
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if (!string.IsNullOrEmpty(dir))
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Directory.CreateDirectory(dir);
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lock (FileLock)
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File.WriteAllText(path, rows.ToJsonString(FileJson));
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}
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}
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