100 lines
3.6 KiB
C#
100 lines
3.6 KiB
C#
using NeonSprawl.Server.Game.PositionState;
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namespace NeonSprawl.Server.Game.Factions;
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/// <summary>Maps <c>GET /game/players/{{id}}/faction-standing</c> — read snapshot (NEO-139).</summary>
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public static class FactionStandingApi
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{
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public static WebApplication MapFactionStandingApi(this WebApplication app)
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{
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app.MapGet(
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"/game/players/{id}/faction-standing",
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(string id, IPositionStateStore positions, IFactionDefinitionRegistry factionRegistry,
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IFactionStandingStore standingStore) =>
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{
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var trimmedId = id.Trim();
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if (trimmedId.Length == 0 || !positions.TryGetPosition(trimmedId, out _))
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{
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return Results.NotFound();
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}
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var snapshotResult = TryBuildSnapshot(trimmedId, factionRegistry, standingStore);
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return snapshotResult.Kind switch
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{
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FactionStandingSnapshotBuildKind.Success => Results.Json(snapshotResult.Response),
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FactionStandingSnapshotBuildKind.StoreReadFailed =>
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Results.Problem(
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statusCode: StatusCodes.Status500InternalServerError,
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title: "Faction standing read failed",
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detail: snapshotResult.ReasonCode),
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_ => throw new InvalidOperationException($"Unexpected build outcome: {snapshotResult.Kind}"),
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};
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});
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return app;
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}
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internal static FactionStandingSnapshotResponse BuildSnapshot(
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string playerId,
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IFactionDefinitionRegistry factionRegistry,
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IFactionStandingStore standingStore)
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{
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var result = TryBuildSnapshot(playerId, factionRegistry, standingStore);
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if (result.Kind != FactionStandingSnapshotBuildKind.Success || result.Response is null)
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{
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throw new InvalidOperationException(
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$"BuildSnapshot failed: {result.ReasonCode ?? result.Kind.ToString()}");
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}
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return result.Response;
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}
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private static FactionStandingSnapshotBuildResult TryBuildSnapshot(
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string playerId,
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IFactionDefinitionRegistry factionRegistry,
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IFactionStandingStore standingStore)
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{
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var defs = factionRegistry.GetDefinitionsInIdOrder();
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var factions = new List<FactionStandingRowJson>(defs.Count);
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foreach (var definition in defs)
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{
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var outcome = standingStore.TryGetStanding(playerId, definition.Id);
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if (!outcome.Success)
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{
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return new FactionStandingSnapshotBuildResult(
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FactionStandingSnapshotBuildKind.StoreReadFailed,
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null,
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outcome.ReasonCode);
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}
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factions.Add(
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new FactionStandingRowJson
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{
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Id = definition.Id,
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Standing = outcome.Standing,
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});
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}
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return new FactionStandingSnapshotBuildResult(
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FactionStandingSnapshotBuildKind.Success,
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new FactionStandingSnapshotResponse
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{
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PlayerId = playerId,
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Factions = factions,
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SchemaVersion = FactionStandingSnapshotResponse.CurrentSchemaVersion,
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},
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null);
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}
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private enum FactionStandingSnapshotBuildKind
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{
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Success,
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StoreReadFailed,
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}
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private readonly record struct FactionStandingSnapshotBuildResult(
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FactionStandingSnapshotBuildKind Kind,
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FactionStandingSnapshotResponse? Response,
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string? ReasonCode);
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}
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