feat: 迁入 MiGu.Server、平台前端与车辆列表 reflection 回退
从 Simple-FR 拆出 Platform.Server 并重命名为 MiGu.Server；frontends 源码与构建脚本迁入本仓库。地图监控在 projection/cars 失败或为空时回退 reflection 车辆列表；Simple 仓库已移除旧 Platform.Server。 Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
zhaowei.huang
Cursor
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using System.Collections.Concurrent;
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using System.Text.Json;
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namespace MiGu.Server.Configs;
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/// <summary>
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/// 配置中心存储（内存 + JSON 文件持久化占位）。
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/// 14 个 section 对应 ARCHITECTURE.md §9 的 13+1 维度。
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/// 真实落地时由 SimpleShared.Persistence 接入 EF Core，并配合 YARP 下发至 SimpleLite。
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/// </summary>
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public sealed class ConfigStore
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{
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public static readonly string[] AllSections =
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{
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"system", "integrations", "routing", "vehicle", "charge", "task",
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"traffic", "auth", "device", "fleet", "scenario", "location", "ops", "widget"
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};
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public sealed record Envelope(string Section, int Version, DateTimeOffset UpdatedAt, object Payload);
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private readonly ConcurrentDictionary<string, Envelope> _mem = new(StringComparer.OrdinalIgnoreCase);
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private readonly string _dataDir;
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private readonly ILogger<ConfigStore> _logger;
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private readonly JsonSerializerOptions _jsonOpts = new()
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{
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PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
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WriteIndented = true
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};
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public ConfigStore(IWebHostEnvironment env, ILogger<ConfigStore> logger)
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{
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_logger = logger;
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_dataDir = Path.Combine(env.ContentRootPath, "data");
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Directory.CreateDirectory(_dataDir);
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SeedAndLoad();
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}
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public Envelope Get(string section)
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{
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section = section.ToLowerInvariant();
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if (_mem.TryGetValue(section, out var env))
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{
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if (section == "ops") return MergeOpsEnvelope(env);
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return env;
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}
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var def = NewDefault(section);
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_mem[section] = def;
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Persist(def);
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return def;
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}
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public Envelope Put(string section, JsonElement payload)
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{
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section = section.ToLowerInvariant();
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if (!AllSections.Contains(section))
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throw new ArgumentException($"未知 section: {section}");
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var prev = _mem.TryGetValue(section, out var p) ? p : null;
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var version = (prev?.Version ?? 0) + 1;
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// payload 保留 JsonElement 原样；序列化器会按 camelCase 输出
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var env = new Envelope(section, version, DateTimeOffset.UtcNow, JsonElementToObject(payload));
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if (section == "ops") env = MergeOpsEnvelope(env);
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_mem[section] = env;
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Persist(env);
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return env;
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}
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public IEnumerable<Envelope> List() => AllSections.Select(Get);
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private static object JsonElementToObject(JsonElement el)
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{
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// 简化：直接保留 JsonElement，让 STJ 在响应时再原样写回
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return el.Clone();
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}
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private void SeedAndLoad()
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{
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foreach (var s in AllSections)
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{
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var file = FilePath(s);
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if (File.Exists(file))
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{
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try
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{
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var json = File.ReadAllText(file);
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var doc = JsonDocument.Parse(json);
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var root = doc.RootElement;
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var version = root.TryGetProperty("version", out var v) && v.ValueKind == JsonValueKind.Number
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? v.GetInt32() : 1;
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var updated = root.TryGetProperty("updatedAt", out var u) && u.ValueKind == JsonValueKind.String
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? DateTimeOffset.Parse(u.GetString()!) : DateTimeOffset.UtcNow;
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var payload = root.TryGetProperty("payload", out var pl)
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? (object)pl.Clone()
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: DefaultPayload(s);
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_mem[s] = new Envelope(s, version, updated, payload);
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continue;
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}
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catch (Exception ex)
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{
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_logger.LogWarning(ex, "加载 {Section} 失败，回退到默认值", s);
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}
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}
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_mem[s] = NewDefault(s);
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Persist(_mem[s]);
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}
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}
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private Envelope NewDefault(string section)
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{
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return new Envelope(section, 1, DateTimeOffset.UtcNow, DefaultPayload(section));
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}
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private static object DefaultPayload(string section) => section switch
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{
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"system" => SystemConfig.Default(),
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"integrations" => ExternalIntegrations.Default(),
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"routing" => RoutingPolicy.Default(),
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"vehicle" => VehicleMaintenancePolicy.Default(),
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"charge" => ChargePolicy.Default(),
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"task" => TaskAllocationPolicy.Default(),
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"traffic" => TrafficRule.Default(),
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"auth" => AuthRoleConfig.Default(),
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"device" => DeviceManagementConfig.Default(),
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"fleet" => FleetLifecycleConfig.Default(),
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"scenario" => ScenarioTemplateConfig.Default(),
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"location" => LocationManagement.Default(),
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"ops" => OpsConfig.Default(),
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"widget" => CustomWidgetConfig.Default(),
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_ => new { }
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};
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private void Persist(Envelope env)
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{
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try
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{
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var toWrite = env.Section == "ops" ? MergeOpsEnvelope(env) : env;
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var root = new Dictionary<string, object?>
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{
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["section"] = toWrite.Section,
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["version"] = toWrite.Version,
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["updatedAt"] = toWrite.UpdatedAt,
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["payload"] = toWrite.Payload
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};
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var json = JsonSerializer.Serialize(root, _jsonOpts);
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File.WriteAllText(FilePath(env.Section), json);
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}
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catch (Exception ex)
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{
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_logger.LogWarning(ex, "持久化 {Section} 失败", env.Section);
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}
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}
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private static Envelope MergeOpsEnvelope(Envelope env)
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{
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if (env.Payload is not JsonElement el || el.ValueKind != JsonValueKind.Object)
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return env;
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var def = OpsConfig.Default();
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var merged = JsonSerializer.SerializeToElement(new
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{
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playback = ReadSection(el, "playback") ?? def.Playback,
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logRetention = ReadSection(el, "logRetention") ?? def.LogRetention,
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version = ReadSection(el, "version") ?? def.Version,
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monitor = MergeOpsMonitor(el, def.Monitor)
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}, new JsonSerializerOptions { PropertyNamingPolicy = JsonNamingPolicy.CamelCase });
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return env with { Payload = merged.Clone() };
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}
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private static object? ReadSection(JsonElement root, string name) =>
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root.TryGetProperty(name, out var p) ? p.Clone() : null;
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private static JsonElement MergeOpsMonitor(JsonElement root, MonitorOpsPolicy def)
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{
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var opts = new JsonSerializerOptions { PropertyNamingPolicy = JsonNamingPolicy.CamelCase };
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if (!root.TryGetProperty("monitor", out var m) || m.ValueKind != JsonValueKind.Object)
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return JsonSerializer.SerializeToElement(def, opts);
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var car = m.TryGetProperty("car", out var c) ? c.Clone() : JsonSerializer.SerializeToElement(def.Car, opts);
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var site = m.TryGetProperty("site", out var s) ? s.Clone() : JsonSerializer.SerializeToElement(def.Site, opts);
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var track = m.TryGetProperty("track", out var t) ? t.Clone() : JsonSerializer.SerializeToElement(def.Track, opts);
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var carActionByType = m.TryGetProperty("carActionByType", out var cat)
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? cat.Clone()
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: JsonSerializer.SerializeToElement(def.CarActionByType, opts);
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return JsonSerializer.SerializeToElement(new { car, site, track, carActionByType }, opts);
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}
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private string FilePath(string section) => Path.Combine(_dataDir, $"config-{section}.json");
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}
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