Files
steipete--codexbar/Sources/CodexBarCore/PiSessionCostScanner.swift
T
2026-07-13 12:22:33 +08:00

944 lines
37 KiB
Swift

import Foundation
private final class PiSessionISO8601FormatterBox: @unchecked Sendable {
let lock = NSLock()
let withFractional: ISO8601DateFormatter = {
let formatter = ISO8601DateFormatter()
formatter.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
return formatter
}()
let plain: ISO8601DateFormatter = {
let formatter = ISO8601DateFormatter()
formatter.formatOptions = [.withInternetDateTime]
return formatter
}()
}
enum PiSessionCostScanner {
struct Options {
var piSessionsRoot: URL?
var cacheRoot: URL?
var refreshMinIntervalSeconds: TimeInterval = 60
var forceRescan: Bool = false
init(
piSessionsRoot: URL? = nil,
cacheRoot: URL? = nil,
refreshMinIntervalSeconds: TimeInterval = 60,
forceRescan: Bool = false)
{
self.piSessionsRoot = piSessionsRoot
self.cacheRoot = cacheRoot
self.refreshMinIntervalSeconds = refreshMinIntervalSeconds
self.forceRescan = forceRescan
}
}
private struct ParseResult {
let contributions: [String: [String: [String: PiPackedUsage]]]
let parsedBytes: Int64
let lastModelContext: PiModelContext?
}
private struct AssistantIdentity {
let provider: UsageProvider
let modelName: String
}
private struct ModelsDevPricingContext {
let catalog: ModelsDevCatalog?
let cacheRoot: URL?
let pricingKey: String
}
private struct ScanContext {
let range: CostUsageScanner.CostUsageDayRange
let forceRescan: Bool
let pricingContext: ModelsDevPricingContext
let checkCancellation: CostUsageScanner.CancellationCheck?
}
private static let costScale = 1_000_000_000.0
/// Bump for Pi-only cost formula changes not represented by the parser or pricing fingerprints.
private static let costFormulaVersion = 1
private static let maxLineBytes = 16 * 1024 * 1024
private static let maxSafeRoundedInt = Double(Int.max) - 1
private static let sessionStartFilenameRegex = try? NSRegularExpression(
pattern: "^(\\d{4}-\\d{2}-\\d{2})T(\\d{2})-(\\d{2})-(\\d{2})-(\\d{3})Z_")
private static let isoFormatterBox = PiSessionISO8601FormatterBox()
static func loadDailyReport(
provider: UsageProvider,
since: Date,
until: Date,
now: Date = Date(),
options: Options = Options()) -> CostUsageDailyReport
{
(
try? self.loadDailyReportCancellable(
provider: provider,
since: since,
until: until,
now: now,
options: options,
checkCancellation: nil)) ?? CostUsageDailyReport(data: [], summary: nil)
}
static func loadDailyReportCancellable(
provider: UsageProvider,
since: Date,
until: Date,
now: Date = Date(),
options: Options = Options(),
checkCancellation: CostUsageScanner.CancellationCheck?) throws -> CostUsageDailyReport
{
guard provider == .codex || provider == .claude else {
return CostUsageDailyReport(data: [], summary: nil)
}
let range = CostUsageScanner.CostUsageDayRange(since: since, until: until)
var cache = PiSessionCostCacheIO.load(cacheRoot: options.cacheRoot)
let nowMs = Int64(now.timeIntervalSince1970 * 1000)
let refreshMs = Int64(max(0, options.refreshMinIntervalSeconds) * 1000)
let pricingContext = self.pricingContext(now: now, cacheRoot: options.cacheRoot)
let windowExpanded = self.requestedWindowExpandsCache(range: range, cache: cache)
let pricingChanged = cache.pricingKey != pricingContext.pricingKey
let shouldRefresh = options.forceRescan
|| windowExpanded
|| pricingChanged
|| refreshMs == 0
|| cache.lastScanUnixMs == 0
|| nowMs - cache.lastScanUnixMs > refreshMs
if shouldRefresh {
try checkCancellation?()
let root = self.defaultPiSessionsRoot(options: options)
let startCutoff = self.dateFromDayKey(range.scanSinceKey) ?? since
let files = self.listPiSessionFiles(root: root, startCutoffLocal: startCutoff)
let filePathsInScan = Set(files.map(\.path))
for fileURL in files {
try self.scanPiSessionFile(
fileURL: fileURL,
cache: &cache,
context: ScanContext(
range: range,
forceRescan: options.forceRescan || windowExpanded || pricingChanged,
pricingContext: pricingContext,
checkCancellation: checkCancellation))
}
try checkCancellation?()
for key in cache.files.keys where !filePathsInScan.contains(key) {
if let old = cache.files[key] {
self.applyContributions(
daysByProvider: &cache.daysByProvider,
contributions: old.contributions,
sign: -1)
}
cache.files.removeValue(forKey: key)
}
cache.scanSinceKey = range.scanSinceKey
cache.scanUntilKey = range.scanUntilKey
cache.pricingKey = pricingContext.pricingKey
cache.lastScanUnixMs = nowMs
try checkCancellation?()
PiSessionCostCacheIO.save(cache: cache, cacheRoot: options.cacheRoot)
}
return self.buildReport(
provider: provider,
cache: cache,
range: range,
pricingContext: pricingContext)
}
struct CachedDailyReportResult {
let report: CostUsageDailyReport
let lastScanAt: Date?
}
static func loadCachedDailyReport(
provider: UsageProvider,
since: Date,
until: Date,
now: Date = Date(),
cacheRoot: URL? = nil) -> CostUsageDailyReport?
{
self.loadCachedDailyReportResult(
provider: provider,
since: since,
until: until,
now: now,
cacheRoot: cacheRoot)?.report
}
static func loadCachedDailyReportResult(
provider: UsageProvider,
since: Date,
until: Date,
now: Date = Date(),
cacheRoot: URL? = nil) -> CachedDailyReportResult?
{
guard provider == .codex || provider == .claude else { return nil }
let range = CostUsageScanner.CostUsageDayRange(since: since, until: until)
let cache = PiSessionCostCacheIO.load(cacheRoot: cacheRoot)
guard !cache.daysByProvider.isEmpty else { return nil }
guard !self.requestedWindowExpandsCache(range: range, cache: cache) else { return nil }
let pricingContext = self.pricingContext(now: now, cacheRoot: cacheRoot)
guard cache.pricingKey == pricingContext.pricingKey else { return nil }
let report = self.buildReport(
provider: provider,
cache: cache,
range: range,
pricingContext: pricingContext)
guard !report.data.isEmpty else { return nil }
let lastScanAt = cache.lastScanUnixMs > 0
? Date(timeIntervalSince1970: TimeInterval(cache.lastScanUnixMs) / 1000)
: nil
return CachedDailyReportResult(report: report, lastScanAt: lastScanAt)
}
private static func pricingContext(now: Date, cacheRoot: URL?) -> ModelsDevPricingContext {
let modelsDevArtifact = ModelsDevCache.load(now: now, cacheRoot: cacheRoot).artifact
return ModelsDevPricingContext(
catalog: modelsDevArtifact?.catalog,
cacheRoot: cacheRoot,
pricingKey: CostUsagePricingKey.codex(
modelsDevArtifact: modelsDevArtifact,
formulaVersion: Self.costFormulaVersion,
parserHash: CodexParserHash.value,
modelsDevProviderIDs: ["anthropic", "openai"]))
}
private static func requestedWindowExpandsCache(
range: CostUsageScanner.CostUsageDayRange,
cache: PiSessionCostCache) -> Bool
{
guard let cachedSince = cache.scanSinceKey,
let cachedUntil = cache.scanUntilKey
else {
return true
}
if range.scanSinceKey < cachedSince {
return true
}
if range.scanUntilKey > cachedUntil {
return true
}
return false
}
private static func defaultPiSessionsRoot(options: Options) -> URL {
if let override = options.piSessionsRoot { return override }
return FileManager.default.homeDirectoryForCurrentUser
.appendingPathComponent(".pi", isDirectory: true)
.appendingPathComponent("agent", isDirectory: true)
.appendingPathComponent("sessions", isDirectory: true)
}
private static func listPiSessionFiles(root: URL, startCutoffLocal: Date) -> [URL] {
guard FileManager.default.fileExists(atPath: root.path) else { return [] }
let keys: Set<URLResourceKey> = [.isRegularFileKey, .contentModificationDateKey]
guard let enumerator = FileManager.default.enumerator(
at: root,
includingPropertiesForKeys: Array(keys),
options: [.skipsHiddenFiles])
else {
return []
}
var output: [URL] = []
while let item = enumerator.nextObject() as? URL {
guard item.pathExtension.lowercased() == "jsonl" else { continue }
let values = try? item.resourceValues(forKeys: keys)
guard values?.isRegularFile == true else { continue }
let startedAt = self.parseSessionStartFromFilename(item.lastPathComponent)
let modifiedAt = values?.contentModificationDate
if self
.shouldIncludeFile(startedAt: startedAt, modifiedAt: modifiedAt, startCutoffLocal: startCutoffLocal)
{
output.append(item)
}
}
return output.sorted(by: { $0.path < $1.path })
}
private static func shouldIncludeFile(
startedAt: Date?,
modifiedAt: Date?,
startCutoffLocal: Date) -> Bool
{
if let modifiedAt, self.localMidnight(modifiedAt) >= startCutoffLocal {
return true
}
if let startedAt, self.localMidnight(startedAt) >= startCutoffLocal {
return true
}
return false
}
private static func scanPiSessionFile(
fileURL: URL,
cache: inout PiSessionCostCache,
context: ScanContext)
throws
{
try context.checkCancellation?()
let path = fileURL.path
let attrs = (try? FileManager.default.attributesOfItem(atPath: path)) ?? [:]
let mtime = (attrs[.modificationDate] as? Date)?.timeIntervalSince1970 ?? 0
let size = (attrs[.size] as? NSNumber)?.int64Value ?? 0
let mtimeMs = Int64(mtime * 1000)
func storeFileUsage(_ usage: PiSessionFileUsage) {
cache.files[path] = usage
}
let cached = cache.files[path]
if !context.forceRescan,
let cached,
cached.mtimeUnixMs == mtimeMs,
cached.size == size
{
return
}
if !context.forceRescan,
let cached,
size > cached.size,
cached.parsedBytes > 0,
cached.parsedBytes <= size
{
let delta = try self.parsePiSessionFile(
fileURL: fileURL,
range: context.range,
startOffset: cached.parsedBytes,
initialModelContext: cached.lastModelContext,
pricingContext: context.pricingContext,
checkCancellation: context.checkCancellation)
if !delta.contributions.isEmpty {
self.applyContributions(
daysByProvider: &cache.daysByProvider,
contributions: delta.contributions,
sign: 1)
}
let merged = self.mergedContributions(existing: cached.contributions, delta: delta.contributions)
storeFileUsage(PiSessionFileUsage(
mtimeUnixMs: mtimeMs,
size: size,
parsedBytes: delta.parsedBytes,
lastModelContext: delta.lastModelContext,
contributions: merged))
return
}
if let cached {
self.applyContributions(
daysByProvider: &cache.daysByProvider,
contributions: cached.contributions,
sign: -1)
}
let parsed = try self.parsePiSessionFile(
fileURL: fileURL,
range: context.range,
pricingContext: context.pricingContext,
checkCancellation: context.checkCancellation)
if !parsed.contributions.isEmpty {
self.applyContributions(daysByProvider: &cache.daysByProvider, contributions: parsed.contributions, sign: 1)
}
storeFileUsage(PiSessionFileUsage(
mtimeUnixMs: mtimeMs,
size: size,
parsedBytes: parsed.parsedBytes,
lastModelContext: parsed.lastModelContext,
contributions: parsed.contributions))
}
private static func parsePiSessionFile(
fileURL: URL,
range: CostUsageScanner.CostUsageDayRange,
startOffset: Int64 = 0,
initialModelContext: PiModelContext? = nil,
pricingContext: ModelsDevPricingContext? = nil,
checkCancellation: CostUsageScanner.CancellationCheck? = nil) throws -> ParseResult
{
var currentModelContext = initialModelContext
var contributions: [String: [String: [String: PiPackedUsage]]] = [:]
func add(provider: UsageProvider, dayKey: String, modelName: String, usage: PiPackedUsage) {
guard !usage.isZero else { return }
guard CostUsageScanner.CostUsageDayRange.isInRange(
dayKey: dayKey,
since: range.scanSinceKey,
until: range.scanUntilKey)
else {
return
}
let providerKey = provider.rawValue
var providerDays = contributions[providerKey] ?? [:]
var dayModels = providerDays[dayKey] ?? [:]
let merged = self.addPacked(a: dayModels[modelName] ?? PiPackedUsage(), b: usage, sign: 1)
if merged.isZero {
dayModels.removeValue(forKey: modelName)
} else {
dayModels[modelName] = merged
}
if dayModels.isEmpty {
providerDays.removeValue(forKey: dayKey)
} else {
providerDays[dayKey] = dayModels
}
if providerDays.isEmpty {
contributions.removeValue(forKey: providerKey)
} else {
contributions[providerKey] = providerDays
}
}
let parsedBytes: Int64
do {
parsedBytes = try CostUsageJsonl.scan(
fileURL: fileURL,
offset: startOffset,
maxLineBytes: Self.maxLineBytes,
prefixBytes: Self.maxLineBytes,
checkCancellation: checkCancellation,
onLine: { line in
guard !line.bytes.isEmpty, !line.wasTruncated else { return }
autoreleasepool {
guard let object = (try? JSONSerialization.jsonObject(with: line.bytes)) as? [String: Any]
else { return }
guard let type = object["type"] as? String else { return }
if type == "model_change" {
currentModelContext = self.modelContext(from: object)
return
}
guard type == "message", let message = object["message"] as? [String: Any] else { return }
guard (message["role"] as? String) == "assistant" else { return }
let identity = self.resolveAssistantIdentity(
entry: object,
message: message,
fallback: currentModelContext)
guard let identity else { return }
guard let date = self.timestampDate(entry: object, message: message) else { return }
let dayKey = CostUsageScanner.CostUsageDayRange.dayKey(from: date)
let usage = self.extractUsage(
provider: identity.provider,
modelName: identity.modelName,
message: message,
pricingDate: date,
pricingContext: pricingContext)
add(provider: identity.provider, dayKey: dayKey, modelName: identity.modelName, usage: usage)
}
})
} catch is CancellationError {
throw CancellationError()
} catch {
parsedBytes = startOffset
}
return ParseResult(
contributions: contributions,
parsedBytes: parsedBytes,
lastModelContext: currentModelContext)
}
private static func modelContext(from object: [String: Any]) -> PiModelContext? {
guard let providerText = object["provider"] as? String,
let provider = self.mappedProvider(fromPiProvider: providerText)
else {
return nil
}
let rawModelName = (object["modelId"] as? String)?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
guard let modelName = self.normalizeModelName(rawModelName, provider: provider) else { return nil }
return PiModelContext(providerRawValue: provider.rawValue, modelName: modelName)
}
private static func resolveAssistantIdentity(
entry: [String: Any],
message: [String: Any],
fallback: PiModelContext?) -> AssistantIdentity?
{
let explicitProviderText = self.extractProviderText(entry: entry, message: message)
let explicitProvider = explicitProviderText.flatMap(self.mappedProvider(fromPiProvider:))
let explicitModelText = self.extractModelText(entry: entry, message: message)
if explicitProviderText != nil, explicitProvider == nil {
return nil
}
if let explicitProvider,
let explicitModelText,
let explicitModel = self.normalizeModelName(explicitModelText, provider: explicitProvider)
{
return AssistantIdentity(provider: explicitProvider, modelName: explicitModel)
}
if let explicitProvider,
let fallback,
fallback.providerRawValue == explicitProvider.rawValue
{
return AssistantIdentity(provider: explicitProvider, modelName: fallback.modelName)
}
if explicitProviderText == nil,
let explicitModelText,
let fallbackProvider = fallback.flatMap({ UsageProvider(rawValue: $0.providerRawValue) }),
let explicitModel = self.normalizeModelName(explicitModelText, provider: fallbackProvider)
{
return AssistantIdentity(provider: fallbackProvider, modelName: explicitModel)
}
if explicitProviderText == nil,
let fallback,
let provider = UsageProvider(rawValue: fallback.providerRawValue)
{
return AssistantIdentity(provider: provider, modelName: fallback.modelName)
}
return nil
}
private static func extractProviderText(entry: [String: Any], message: [String: Any]) -> String? {
if let provider = (message["provider"] as? String)?.trimmingCharacters(in: .whitespacesAndNewlines),
!provider.isEmpty
{
return provider
}
if let provider = (entry["provider"] as? String)?.trimmingCharacters(in: .whitespacesAndNewlines),
!provider.isEmpty
{
return provider
}
return nil
}
private static func extractModelText(entry: [String: Any], message: [String: Any]) -> String? {
for value in [message["model"], entry["model"], message["modelId"], entry["modelId"]] {
if let model = (value as? String)?.trimmingCharacters(in: .whitespacesAndNewlines), !model.isEmpty {
return model
}
}
return nil
}
private static func normalizeModelName(_ raw: String, provider: UsageProvider) -> String? {
let trimmed = raw.trimmingCharacters(in: .whitespacesAndNewlines)
guard !trimmed.isEmpty else { return nil }
return switch provider {
case .codex:
CostUsagePricing.normalizeCodexModel(trimmed)
case .claude:
CostUsagePricing.normalizeClaudeModel(trimmed)
default:
trimmed
}
}
private static func timestampDate(entry: [String: Any], message: [String: Any]) -> Date? {
self.parseTimestampValue(message["timestamp"])
?? self.parseTimestampValue(entry["timestamp"])
}
private static func parseTimestampValue(_ value: Any?) -> Date? {
if let number = value as? NSNumber {
let raw = number.doubleValue
guard raw.isFinite else { return nil }
if raw > 1_000_000_000_000 {
return Date(timeIntervalSince1970: raw / 1000)
}
return Date(timeIntervalSince1970: raw)
}
if let string = value as? String {
if let numeric = Double(string), numeric.isFinite {
if numeric > 1_000_000_000_000 {
return Date(timeIntervalSince1970: numeric / 1000)
}
return Date(timeIntervalSince1970: numeric)
}
return self.parseISO(string)
}
return nil
}
private static func extractUsage(
provider: UsageProvider,
modelName: String,
message: [String: Any],
pricingDate: Date? = nil,
pricingContext: ModelsDevPricingContext? = nil) -> PiPackedUsage
{
let usage = (message["usage"] as? [String: Any]) ?? [:]
let input = self.readNonNegativeInt(
usage["input"]
?? usage["inputTokens"]
?? usage["input_tokens"]
?? usage["promptTokens"]
?? usage["prompt_tokens"])
let cacheRead = self.readNonNegativeInt(
usage["cacheRead"]
?? usage["cacheReadTokens"]
?? usage["cache_read"]
?? usage["cache_read_tokens"]
?? usage["cacheReadInputTokens"]
?? usage["cache_read_input_tokens"])
let cacheWrite = self.readNonNegativeInt(
usage["cacheWrite"]
?? usage["cacheWriteTokens"]
?? usage["cache_write"]
?? usage["cache_write_tokens"]
?? usage["cacheCreationTokens"]
?? usage["cache_creation_tokens"]
?? usage["cacheCreationInputTokens"]
?? usage["cache_creation_input_tokens"])
let output = self.readNonNegativeInt(
usage["output"]
?? usage["outputTokens"]
?? usage["output_tokens"]
?? usage["completionTokens"]
?? usage["completion_tokens"])
let directTotal = self.readNonNegativeInt(
usage["totalTokens"]
?? usage["total_tokens"]
?? usage["tokenCount"]
?? usage["token_count"]
?? usage["tokens"])
let derivedTotal = input + cacheRead + cacheWrite + output
let totalTokens = max(directTotal, derivedTotal)
let rawUsage = PiPackedUsage(
inputTokens: input,
cacheReadTokens: cacheRead,
cacheWriteTokens: cacheWrite,
outputTokens: output,
totalTokens: totalTokens)
// Pi JSONL does not record Anthropic cache retention, so use Pi's persisted default tariff.
let costUSD = self.computedCostUSD(
provider: provider,
modelName: modelName,
usage: rawUsage,
pricingDate: pricingDate,
pricingContext: pricingContext)
let costNanos = costUSD.map { Int64(($0 * self.costScale).rounded()) } ?? 0
return PiPackedUsage(
inputTokens: rawUsage.inputTokens,
cacheReadTokens: rawUsage.cacheReadTokens,
cacheWriteTokens: rawUsage.cacheWriteTokens,
outputTokens: rawUsage.outputTokens,
totalTokens: rawUsage.totalTokens,
costNanos: costNanos,
costSampleCount: costUSD == nil ? 0 : 1,
usageSampleCount: 1)
}
private static func computedCostUSD(
provider: UsageProvider,
modelName: String,
usage: PiPackedUsage,
pricingDate: Date? = nil,
pricingContext: ModelsDevPricingContext? = nil) -> Double?
{
switch provider {
case .codex:
// Pi records input, cache reads, and cache writes as disjoint counts. Codex pricing
// expects cached/write tokens to be subsets of total input, so reconstruct that total
// here and pass writes separately (1.25x input for GPT-5.6 when rates are known).
CostUsagePricing.codexCostUSD(
model: modelName,
inputTokens: usage.inputTokens + usage.cacheReadTokens + usage.cacheWriteTokens,
cachedInputTokens: usage.cacheReadTokens,
outputTokens: usage.outputTokens,
cacheWriteInputTokens: usage.cacheWriteTokens,
modelsDevCatalog: pricingContext?.catalog,
modelsDevCacheRoot: pricingContext?.cacheRoot)
case .claude:
CostUsagePricing.claudeCostUSD(
model: modelName,
inputTokens: usage.inputTokens,
cacheReadInputTokens: usage.cacheReadTokens,
cacheCreationInputTokens: usage.cacheWriteTokens,
outputTokens: usage.outputTokens,
pricingDate: pricingDate,
modelsDevCatalog: pricingContext?.catalog,
modelsDevCacheRoot: pricingContext?.cacheRoot)
default:
nil
}
}
private static func readNonNegativeInt(_ value: Any?) -> Int {
if let number = value as? NSNumber {
let numeric = number.doubleValue
guard numeric.isFinite, numeric >= 0, numeric <= self.maxSafeRoundedInt else { return 0 }
return Int(numeric.rounded())
}
if let string = value as? String,
let numeric = Double(string),
numeric.isFinite,
numeric >= 0,
numeric <= self.maxSafeRoundedInt
{
return Int(numeric.rounded())
}
return 0
}
}
extension PiSessionCostScanner {
private static func mappedProvider(fromPiProvider provider: String) -> UsageProvider? {
switch provider.lowercased() {
case "openai-codex":
.codex
case "anthropic":
.claude
default:
nil
}
}
private static func buildReport(
provider: UsageProvider,
cache: PiSessionCostCache,
range: CostUsageScanner.CostUsageDayRange,
pricingContext: ModelsDevPricingContext? = nil) -> CostUsageDailyReport
{
guard let providerDays = cache.daysByProvider[provider.rawValue] else {
return CostUsageDailyReport(data: [], summary: nil)
}
let dayKeys = providerDays.keys.sorted().filter {
CostUsageScanner.CostUsageDayRange.isInRange(dayKey: $0, since: range.sinceKey, until: range.untilKey)
}
var entries: [CostUsageDailyReport.Entry] = []
var totalInput = 0
var totalOutput = 0
var totalCacheRead = 0
var totalCacheWrite = 0
var totalTokens = 0
var totalCostNanos: Int64 = 0
var totalCostSamples = 0
for dayKey in dayKeys {
guard let models = providerDays[dayKey] else { continue }
let modelNames = models.keys.sorted()
var dayInput = 0
var dayOutput = 0
var dayCacheRead = 0
var dayCacheWrite = 0
var dayTotalTokens = 0
var dayCostNanos: Int64 = 0
var dayCostSamples = 0
var breakdown: [CostUsageDailyReport.ModelBreakdown] = []
for modelName in modelNames {
let packed = models[modelName] ?? PiPackedUsage()
let modelTotalTokens = max(
packed.totalTokens,
packed.inputTokens + packed.cacheReadTokens + packed.cacheWriteTokens + packed.outputTokens)
let currentPricingCost = self.computedCostUSD(
provider: provider,
modelName: modelName,
usage: packed,
pricingContext: pricingContext)
let usageSampleCount = packed.usageSampleCount
let hasCompleteCachedCost = (usageSampleCount ?? 0) > 0
&& packed.costSampleCount == usageSampleCount
// Cached costs are accumulated per message, which preserves Claude long-context threshold boundaries.
let costNanos = hasCompleteCachedCost
? packed.costNanos
: currentPricingCost.map { Int64(($0 * self.costScale).rounded()) }
breakdown.append(CostUsageDailyReport.ModelBreakdown(
modelName: modelName,
costUSD: costNanos.map { Double($0) / Self.costScale },
totalTokens: modelTotalTokens > 0 ? modelTotalTokens : nil))
dayInput += packed.inputTokens
dayOutput += packed.outputTokens
dayCacheRead += packed.cacheReadTokens
dayCacheWrite += packed.cacheWriteTokens
dayTotalTokens += modelTotalTokens
if let costNanos {
dayCostNanos += costNanos
dayCostSamples += 1
}
}
let sortedBreakdown = self.sortedModelBreakdowns(breakdown)
entries.append(CostUsageDailyReport.Entry(
date: dayKey,
inputTokens: dayInput > 0 ? dayInput : nil,
outputTokens: dayOutput > 0 ? dayOutput : nil,
cacheReadTokens: dayCacheRead > 0 ? dayCacheRead : nil,
cacheCreationTokens: dayCacheWrite > 0 ? dayCacheWrite : nil,
totalTokens: dayTotalTokens > 0 ? dayTotalTokens : nil,
costUSD: dayCostSamples > 0 ? Double(dayCostNanos) / Self.costScale : nil,
modelsUsed: modelNames,
modelBreakdowns: sortedBreakdown))
totalInput += dayInput
totalOutput += dayOutput
totalCacheRead += dayCacheRead
totalCacheWrite += dayCacheWrite
totalTokens += dayTotalTokens
totalCostNanos += dayCostNanos
totalCostSamples += dayCostSamples
}
guard !entries.isEmpty else { return CostUsageDailyReport(data: [], summary: nil) }
return CostUsageDailyReport(
data: entries,
summary: CostUsageDailyReport.Summary(
totalInputTokens: totalInput > 0 ? totalInput : nil,
totalOutputTokens: totalOutput > 0 ? totalOutput : nil,
cacheReadTokens: totalCacheRead > 0 ? totalCacheRead : nil,
cacheCreationTokens: totalCacheWrite > 0 ? totalCacheWrite : nil,
totalTokens: totalTokens > 0 ? totalTokens : nil,
totalCostUSD: totalCostSamples > 0 ? Double(totalCostNanos) / Self.costScale : nil))
}
private static func mergedContributions(
existing: [String: [String: [String: PiPackedUsage]]],
delta: [String: [String: [String: PiPackedUsage]]]) -> [String: [String: [String: PiPackedUsage]]]
{
var merged = existing
self.applyContributions(daysByProvider: &merged, contributions: delta, sign: 1)
return merged
}
private static func applyContributions(
daysByProvider: inout [String: [String: [String: PiPackedUsage]]],
contributions: [String: [String: [String: PiPackedUsage]]],
sign: Int)
{
for (providerKey, providerDays) in contributions {
var mergedProviderDays = daysByProvider[providerKey] ?? [:]
for (dayKey, dayModels) in providerDays {
var mergedDayModels = mergedProviderDays[dayKey] ?? [:]
for (modelName, packed) in dayModels {
let updated = self.addPacked(
a: mergedDayModels[modelName] ?? PiPackedUsage(),
b: packed,
sign: sign)
if updated.isZero {
mergedDayModels.removeValue(forKey: modelName)
} else {
mergedDayModels[modelName] = updated
}
}
if mergedDayModels.isEmpty {
mergedProviderDays.removeValue(forKey: dayKey)
} else {
mergedProviderDays[dayKey] = mergedDayModels
}
}
if mergedProviderDays.isEmpty {
daysByProvider.removeValue(forKey: providerKey)
} else {
daysByProvider[providerKey] = mergedProviderDays
}
}
}
private static func addPacked(a: PiPackedUsage, b: PiPackedUsage, sign: Int) -> PiPackedUsage {
let aUsageSampleCount = a.usageSampleCount ?? (a.isZero ? 0 : nil)
let bUsageSampleCount = b.usageSampleCount ?? (b.isZero ? 0 : nil)
let usageSampleCount: Int? = if let aCount = aUsageSampleCount, let bCount = bUsageSampleCount {
max(0, aCount + sign * bCount)
} else {
nil
}
return PiPackedUsage(
inputTokens: max(0, a.inputTokens + sign * b.inputTokens),
cacheReadTokens: max(0, a.cacheReadTokens + sign * b.cacheReadTokens),
cacheWriteTokens: max(0, a.cacheWriteTokens + sign * b.cacheWriteTokens),
outputTokens: max(0, a.outputTokens + sign * b.outputTokens),
totalTokens: max(0, a.totalTokens + sign * b.totalTokens),
costNanos: max(0, a.costNanos + Int64(sign) * b.costNanos),
costSampleCount: max(0, a.costSampleCount + sign * b.costSampleCount),
usageSampleCount: usageSampleCount)
}
private static func parseSessionStartFromFilename(_ filename: String) -> Date? {
guard let regex = self.sessionStartFilenameRegex else { return nil }
let range = NSRange(filename.startIndex..<filename.endIndex, in: filename)
guard let match = regex.firstMatch(in: filename, range: range) else { return nil }
guard (1...5).allSatisfy({ Range(match.range(at: $0), in: filename) != nil }) else { return nil }
let date = String(filename[Range(match.range(at: 1), in: filename)!])
let hour = String(filename[Range(match.range(at: 2), in: filename)!])
let minute = String(filename[Range(match.range(at: 3), in: filename)!])
let second = String(filename[Range(match.range(at: 4), in: filename)!])
let millis = String(filename[Range(match.range(at: 5), in: filename)!])
return self.parseISO("\(date)T\(hour):\(minute):\(second).\(millis)Z")
}
private static func parseISO(_ text: String) -> Date? {
self.isoFormatterBox.lock.lock()
defer { self.isoFormatterBox.lock.unlock() }
return self.isoFormatterBox.withFractional.date(from: text)
?? self.isoFormatterBox.plain.date(from: text)
}
private static func localMidnight(_ date: Date) -> Date {
let components = Calendar.current.dateComponents([.year, .month, .day], from: date)
return Calendar.current.date(from: components) ?? date
}
private static func dateFromDayKey(_ key: String) -> Date? {
let parts = key.split(separator: "-")
guard parts.count == 3,
let year = Int(parts[0]),
let month = Int(parts[1]),
let day = Int(parts[2]) else { return nil }
var components = DateComponents()
components.calendar = Calendar.current
components.timeZone = TimeZone.current
components.year = year
components.month = month
components.day = day
components.hour = 0
return components.date
}
private static func sortedModelBreakdowns(_ breakdowns: [CostUsageDailyReport.ModelBreakdown])
-> [CostUsageDailyReport.ModelBreakdown]
{
breakdowns.sorted { lhs, rhs in
let lhsCost = lhs.costUSD ?? -1
let rhsCost = rhs.costUSD ?? -1
if lhsCost != rhsCost {
return lhsCost > rhsCost
}
let lhsTokens = lhs.totalTokens ?? -1
let rhsTokens = rhs.totalTokens ?? -1
if lhsTokens != rhsTokens {
return lhsTokens > rhsTokens
}
return lhs.modelName > rhs.modelName
}
}
}