Files
ClaudeDo/src/ClaudeDo.Worker/Usage/UsageSnapshotBuilder.cs
T

96 lines
3.9 KiB
C#

using ClaudeDo.Data;
using ClaudeDo.Data.Repositories;
using ClaudeDo.Worker.Config;
using ClaudeDo.Worker.Hub;
using ClaudeDo.Worker.Usage.Interfaces;
using Microsoft.EntityFrameworkCore;
namespace ClaudeDo.Worker.Usage;
/// <summary>
/// Builds the Hub-facing usage snapshot DTO from UsageState + IUsageGate + AppSettings
/// thresholds. Shared by WorkerHub.GetUsageSnapshot and UsageMonitorService's post-poll
/// broadcast so both surfaces agree on staleness/threshold logic.
/// </summary>
public sealed class UsageSnapshotBuilder
{
private readonly UsageState _state;
private readonly IUsageGate _gate;
private readonly IDbContextFactory<ClaudeDoDbContext> _dbFactory;
private readonly WorkerConfig _cfg;
public UsageSnapshotBuilder(
UsageState state, IUsageGate gate, IDbContextFactory<ClaudeDoDbContext> dbFactory, WorkerConfig cfg)
{
_state = state;
_gate = gate;
_dbFactory = dbFactory;
_cfg = cfg;
}
public async Task<UsageSnapshotDto> BuildAsync(CancellationToken ct = default)
{
var snapshot = _state.Snapshot;
var lastError = _state.LastError;
Data.Models.AppSettingsEntity settings;
using (var context = _dbFactory.CreateDbContext())
settings = await new AppSettingsRepository(context).GetAsync(ct);
var decision = await _gate.EvaluateAsync(ct);
// Measured against the *slowest* cadence — the idle interval — so a genuinely idle
// worker on its 15-minute heartbeat isn't reported stale just for not polling.
var maxAge = TimeSpan.FromSeconds(
Math.Max(_cfg.UsagePollIntervalActiveSeconds, _cfg.UsagePollIntervalIdleSeconds) * 3);
var isStale = snapshot is null || lastError is not null || (DateTime.UtcNow - snapshot.FetchedAtUtc) > maxAge;
var limits = (snapshot?.Limits ?? Array.Empty<UsageLimitRow>())
.Select(l => new UsageLimitDto(l.Kind, l.Group, l.Percent, l.Severity, l.ResetsAt, l.ScopeModelDisplayName, l.IsActive))
.ToList();
var fiveHourThresholds = new UsageThresholds(
settings.UsageThrottleFiveHourSoftPct, settings.UsageThrottleFiveHourHardPct, settings.UsageGateFiveHourPct);
var sevenDayThresholds = new UsageThresholds(
settings.UsageThrottleSevenDaySoftPct, settings.UsageThrottleSevenDayHardPct, settings.UsageGateSevenDayPct);
var configuredSlots = Math.Max(1, settings.MaxParallelExecutions);
var effectiveSlots = snapshot is null || lastError is not null
? configuredSlots
: UsageThrottle.EffectiveSlots(
configuredSlots,
snapshot.FiveHour?.Utilization, fiveHourThresholds,
snapshot.SevenDay?.Utilization, sevenDayThresholds);
var throttleBucket = effectiveSlots < configuredSlots
? DecisiveBucket(snapshot?.FiveHour?.Utilization, snapshot?.SevenDay?.Utilization)
: null;
return new UsageSnapshotDto(
snapshot?.FiveHour?.Utilization,
snapshot?.FiveHour?.ResetsAt,
snapshot?.SevenDay?.Utilization,
snapshot?.SevenDay?.ResetsAt,
limits,
settings.UsageGateFiveHourPct,
settings.UsageGateSevenDayPct,
decision.IsBlocked,
decision.Reason,
snapshot?.FetchedAtUtc,
isStale,
lastError,
configuredSlots,
effectiveSlots,
throttleBucket,
fiveHourThresholds.SoftPct,
fiveHourThresholds.HardPct,
sevenDayThresholds.SoftPct,
sevenDayThresholds.HardPct);
}
private static string? DecisiveBucket(double? fiveHourPct, double? sevenDayPct)
{
if (fiveHourPct is null && sevenDayPct is null) return null;
return (fiveHourPct ?? 0) >= (sevenDayPct ?? 0) ? "five_hour" : "seven_day";
}
}