675c33bea1
feat(CaptureService): 改进报告解析逻辑并添加多语言键支持 - 修改应用描述从"个人健康影像档案"到"个人健康随记" - 添加对多种JSON键名的支持，包括中文键名（如"指标"、"项目"、"结果"等） - 实现指标状态智能推断功能，可根据数值和参考范围自动判断高低状态 - 支持多种状态标识符，包括箭头符号（↑↓）和中英文状态词 - 增加对不同参考范围格式的解析支持（如"< 3.40"、"208 - 428"等） - 添加相关单元测试验证中文键名和状态推断功能 ```
489 lines
20 KiB
Swift
489 lines
20 KiB
Swift
import Foundation
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import UIKit
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import SwiftData
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/// VL 解析结果(已结构化,可直接喂 SwiftData 模型构造)。
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/// 与 Indicator/Report 字段近似但解耦 —— 这样 prompt schema 调整不污染数据层。
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struct ParsedReport: Sendable {
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var title: String
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var typeRaw: String
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var reportDate: Date
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var institution: String
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var summary: String
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var pageCount: Int
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var indicators: [ParsedIndicator]
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struct ParsedIndicator: Sendable, Identifiable {
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// 稳定身份:供可编辑列表 ForEach 用,避免按 indices 作 id 在增删时错配输入。
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let id = UUID()
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var name: String
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var value: String
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var unit: String
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var range: String
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var status: IndicatorStatus
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}
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/// 一项都没识别出来 = 视作失败,UI 走手动录入回退。
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var isEmpty: Bool { indicators.isEmpty }
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/// 占位空结果,失败回退时给 UI。
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static func empty(date: Date = .now) -> ParsedReport {
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ParsedReport(
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title: "",
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typeRaw: ReportType.other.rawValue,
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reportDate: date,
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institution: "",
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summary: "",
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pageCount: 1,
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indicators: []
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)
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}
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}
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/// CaptureService 错误 — UI 决定怎么呈现(回退表单 vs 重试)。
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enum CaptureError: Error, LocalizedError {
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case modelNotReady
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case inferenceFailed(String)
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case parseFailed(String)
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var errorDescription: String? {
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switch self {
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case .modelNotReady: return String(appLoc: "VL 模型尚未就绪")
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case .inferenceFailed(let m): return String(appLoc: "识别失败:\(m)")
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case .parseFailed(let m): return String(appLoc: "结构化失败:\(m)")
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}
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}
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}
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/// `CaptureService` 是 actor 是因为它的方法会等 AIRuntime(也是 actor),
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/// 但本身不持任何可变状态 —— 单例 stateless,纯粹是 §3.1 模块边界的"门面"。
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actor CaptureService {
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static let shared = CaptureService()
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private init() {}
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/// 对已写入 Vault 的 Asset 跑 VL,返回结构化 ParsedReport。
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/// 用于:
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/// - UnifiedCaptureFlow 的初次识别(UI 先写图、再调本方法,失败/取消都能保留 assets 走手动录入)
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/// - 录入表单顶部的「重新识别」按钮
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/// - C2「重新解读」(W5)
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/// SwiftData 写回由调用方(MainActor)负责,见 `Report.applyReanalyzed(_:in:)`。
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/// 不直接接 @Model 类型,避免把非 Sendable 引用抛过 actor 边界。
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func reanalyze(assets: [FileVault.SavedAsset]) async throws -> ParsedReport {
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try await runVL(on: assets)
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}
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/// 异常项快拍:对一张**局部照片**(JPEG data)跑 VL,只抽 indicators,不建 Report、不留图。
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/// - 临时文件落 `NSTemporaryDirectory`(`.completeFileProtectionUnlessOpen`),推理后 `defer` 删除 ——
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/// 符合「最后只存参数和异常值」(§ 需求)与隐私基线(§6),全程不写 Vault、不建 Asset。
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/// - 失败抛 `CaptureError`,UI 回退手动录入(§3.2 失败回退红线)。
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/// 调用方(MainActor)负责把识别结果落成独立 Indicator。
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func recognizeRegion(imageData: Data) async throws -> [ParsedReport.ParsedIndicator] {
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do {
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try await AIRuntime.shared.prepareVL()
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} catch {
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throw CaptureError.modelNotReady
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}
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let tmpURL = URL(fileURLWithPath: NSTemporaryDirectory())
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.appendingPathComponent("region-\(UUID().uuidString).jpg")
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do {
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// 用 .completeFileProtectionUnlessOpen 而非 .complete:VL 推理可能持续数秒,
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// 期间设备若锁屏,.complete 会让读/写抛 EPERM 使快拍在锁屏下必失败;
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// unlessOpen 允许已打开句柄继续访问,与 Vault(completeUnlessOpen)一致。
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try imageData.write(to: tmpURL, options: [.completeFileProtectionUnlessOpen, .atomic])
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} catch {
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throw CaptureError.inferenceFailed("临时图片写入失败:\(error.localizedDescription)")
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}
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defer { try? FileManager.default.removeItem(at: tmpURL) }
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let raw: String
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do {
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raw = try await AIRuntime.shared.analyzeReport(
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imageURLs: [tmpURL],
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prompt: VLPrompts.regionExtraction()
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)
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} catch {
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throw CaptureError.inferenceFailed("\(error)")
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}
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do {
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return try CaptureService.parseIndicatorsJSON(raw)
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} catch let CaptureError.parseFailed(msg) {
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throw CaptureError.parseFailed(msg)
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} catch {
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throw CaptureError.parseFailed("\(error)")
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}
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}
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/// VL 推理 + JSON 解析的纯阶段。assets 必须已写入 Vault。
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private func runVL(on assets: [FileVault.SavedAsset]) async throws -> ParsedReport {
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do {
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try await AIRuntime.shared.prepareVL()
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} catch {
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throw CaptureError.modelNotReady
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}
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let urls = assets.map { FileVault.shared.rootURL.appendingPathComponent($0.relativePath) }
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let raw: String
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do {
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raw = try await AIRuntime.shared.analyzeReport(
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imageURLs: urls,
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prompt: VLPrompts.reportExtraction()
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)
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} catch {
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throw CaptureError.inferenceFailed("\(error)")
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}
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do {
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return try CaptureService.parseReportJSON(raw, pageCount: assets.count)
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} catch let CaptureError.parseFailed(msg) {
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throw CaptureError.parseFailed(msg)
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} catch {
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throw CaptureError.parseFailed("\(error)")
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}
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}
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// MARK: - JSON parse(static + 纯函数 → 方便单测)
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/// 从 VL 输出里抠出第一段合法 JSON 对象并解析。
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/// 容错:
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/// - 去掉 ```json``` markdown 围栏
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/// - 去掉首尾非 JSON 文字
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/// - 缺字段填默认值
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/// 解析不到任何 indicator 也算成功,但 ParsedReport.isEmpty = true,
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/// UI 走「手动录入」分支。
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static func parseReportJSON(_ raw: String, pageCount: Int = 1) throws -> ParsedReport {
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// 用 extractBalancedJSON(而非只认 {} 的 extractJSONObject):VL 多项时偶尔直接吐
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// 裸数组 [{...},{...}],只认对象会从第一个 { 配对,只截出第一个 indicator、静默丢掉
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// 其余 —— 这是影像档案核心卖点上的数据丢失。顶层是数组时整体视作 indicators。
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let jsonString = extractBalancedJSON(from: raw)
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guard let data = jsonString.data(using: .utf8) else {
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throw CaptureError.parseFailed("非 UTF-8 输出")
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}
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let obj: Any
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do {
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obj = try JSONSerialization.jsonObject(with: data, options: [.fragmentsAllowed])
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} catch {
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throw CaptureError.parseFailed("JSON 不合法:\(error.localizedDescription)")
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}
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let dict: [String: Any]
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if let d = obj as? [String: Any] {
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dict = d
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} else if let arr = obj as? [[String: Any]] {
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dict = ["indicators": arr]
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} else {
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throw CaptureError.parseFailed("根节点既不是对象也不是数组")
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}
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let title = (dict["title"] as? String)?.trimmingCharacters(in: .whitespaces) ?? ""
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let typeRaw = parseReportType(dict["type"] as? String)
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let reportDate = parseDate(dict["report_date"] as? String) ?? .now
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let institution = (dict["institution"] as? String) ?? ""
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let summary = (dict["summary"] as? String) ?? ""
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let pages = (dict["page_count"] as? Int) ?? pageCount
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let indicatorsRaw = arrayValue(dict, keys: ["indicators", "indicator", "items", "指标", "指标列表", "项目"])
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let indicators: [ParsedReport.ParsedIndicator] = indicatorsRaw.compactMap {
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parseIndicator($0)
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}
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return ParsedReport(
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title: title.isEmpty ? String(appLoc: "拍摄识别") : title,
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typeRaw: typeRaw,
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reportDate: reportDate,
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institution: institution,
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summary: summary,
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pageCount: max(pages, pageCount),
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indicators: indicators
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)
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}
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/// 局部识别解析:VL 输出 `{"indicators":[...]}`,只抠 indicators 数组。
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/// 复用 `extractJSONObject` + `parseIndicator`。解析不到任何 indicator 返回空数组(不抛),
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/// UI 据此走「没读出指标,手动补充」分支。JSON 本身不合法才抛 `parseFailed`。
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static func parseIndicatorsJSON(_ raw: String) throws -> [ParsedReport.ParsedIndicator] {
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let jsonString = extractBalancedJSON(from: raw)
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guard let data = jsonString.data(using: .utf8) else {
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throw CaptureError.parseFailed("非 UTF-8 输出")
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}
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let obj: Any
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do {
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obj = try JSONSerialization.jsonObject(with: data, options: [.fragmentsAllowed])
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} catch {
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throw CaptureError.parseFailed("JSON 不合法:\(error.localizedDescription)")
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}
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// 兼容两种形态:{"indicators":[...]} 或直接 [...](模型偶尔省外层 key)
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let indicatorsRaw: [[String: Any]]
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if let dict = obj as? [String: Any] {
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indicatorsRaw = arrayValue(dict, keys: ["indicators", "indicator", "items", "指标", "指标列表", "项目"])
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} else if let arr = obj as? [[String: Any]] {
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indicatorsRaw = arr
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} else {
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throw CaptureError.parseFailed("根节点既不是对象也不是数组")
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}
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return indicatorsRaw.compactMap { parseIndicator($0) }
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}
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/// 从字符串里抠出第一段平衡的 {...}。处理 markdown 围栏、前后乱码。
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/// 失败返回原字符串(后续 JSONSerialization 报错)。
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static func extractJSONObject(from raw: String) -> String {
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var s = raw.trimmingCharacters(in: .whitespacesAndNewlines)
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// 去 markdown 围栏
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if s.hasPrefix("```") {
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// 砍掉首行 ```json 或 ```
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if let firstNewline = s.firstIndex(of: "\n") {
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s = String(s[s.index(after: firstNewline)...])
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}
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// 砍掉末尾 ```
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if let endRange = s.range(of: "```", options: .backwards) {
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s = String(s[..<endRange.lowerBound])
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}
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s = s.trimmingCharacters(in: .whitespacesAndNewlines)
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}
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// 找第一个 {,然后括号配对到匹配的 }
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guard let start = s.firstIndex(of: "{") else { return s }
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var depth = 0
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var inString = false
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var escape = false
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var idx = start
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while idx < s.endIndex {
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let ch = s[idx]
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if escape { escape = false }
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else if ch == "\\" { escape = true }
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else if ch == "\"" { inString.toggle() }
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else if !inString {
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if ch == "{" { depth += 1 }
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else if ch == "}" {
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depth -= 1
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if depth == 0 {
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return String(s[start...idx])
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}
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}
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}
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idx = s.index(after: idx)
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}
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return String(s[start...])
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}
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/// 抠出第一段平衡的 JSON 值,`{...}` 或 `[...]` 以先出现者为准。
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/// 用于局部识别(模型可能输出 `{"indicators":[...]}` 或裸 `[...]`)。
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/// 失败返回去围栏后的原串(后续 JSONSerialization 报错)。
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static func extractBalancedJSON(from raw: String) -> String {
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var s = raw.trimmingCharacters(in: .whitespacesAndNewlines)
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if s.hasPrefix("```") {
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if let firstNewline = s.firstIndex(of: "\n") {
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s = String(s[s.index(after: firstNewline)...])
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}
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if let endRange = s.range(of: "```", options: .backwards) {
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s = String(s[..<endRange.lowerBound])
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}
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s = s.trimmingCharacters(in: .whitespacesAndNewlines)
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}
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let firstBrace = s.firstIndex(of: "{")
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let firstBracket = s.firstIndex(of: "[")
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let start: String.Index
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let open: Character
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let close: Character
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switch (firstBrace, firstBracket) {
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case let (b?, k?):
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if b < k { start = b; open = "{"; close = "}" }
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else { start = k; open = "["; close = "]" }
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case let (b?, nil): start = b; open = "{"; close = "}"
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case let (nil, k?): start = k; open = "["; close = "]"
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default: return s
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}
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var depth = 0
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var inString = false
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var escape = false
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var idx = start
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while idx < s.endIndex {
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let ch = s[idx]
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if escape { escape = false }
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else if ch == "\\" { escape = true }
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else if ch == "\"" { inString.toggle() }
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else if !inString {
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if ch == open { depth += 1 }
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else if ch == close {
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depth -= 1
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if depth == 0 { return String(s[start...idx]) }
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}
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}
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idx = s.index(after: idx)
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}
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return String(s[start...])
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}
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private static func parseReportType(_ raw: String?) -> String {
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guard let raw = raw?.lowercased() else { return ReportType.other.rawValue }
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return ReportType(rawValue: raw)?.rawValue ?? ReportType.other.rawValue
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}
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private static func parseDate(_ raw: String?) -> Date? {
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guard let s = raw?.trimmingCharacters(in: .whitespaces), !s.isEmpty else { return nil }
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let f = DateFormatter()
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f.locale = Locale(identifier: "en_US_POSIX")
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// VL 不同来源会吐多种日期格式;逐一尝试,避免解析失败回退到「今天」(parseReportJSON 里
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// ?? .now)导致归档按 reportDate 分年份时错位(C1)。
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let patterns = ["yyyy-MM-dd", "yyyy/MM/dd", "yyyy.MM.dd",
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"yyyy年MM月dd日", "yyyy年M月d日", "yyyy年MM月", "yyyy-MM", "yyyy/MM"]
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for p in patterns {
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f.dateFormat = p
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if let d = f.date(from: s) { return d }
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}
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return nil
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}
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private static func parseIndicator(_ d: [String: Any]) -> ParsedReport.ParsedIndicator? {
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guard let name = stringValue(d, keys: ["name", "item", "indicator", "test", "项目", "指标", "指标名", "指标名称", "检查项目", "检验项目"])?.trimmingCharacters(in: .whitespaces),
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!name.isEmpty else { return nil }
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let value: String
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if let v = stringValue(d, keys: ["value", "result", "reading", "结果", "数值", "检测值", "测定值"]) { value = v }
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else { value = "" }
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let unit = stringValue(d, keys: ["unit", "单位"]) ?? ""
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let range = stringValue(d, keys: ["range", "reference", "reference_range", "ref", "参考", "参考值", "参考范围", "正常范围"]) ?? ""
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let statusRaw = stringValue(d, keys: ["status", "flag", "abnormal", "异常", "提示", "标记"])
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let status = parseIndicatorStatus(raw: statusRaw, value: value, range: range)
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return .init(name: name, value: value, unit: unit, range: range, status: status)
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}
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private static func stringValue(_ d: [String: Any], keys: [String]) -> String? {
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for key in keys {
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if let s = d[key] as? String {
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return s
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}
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if let n = d[key] as? NSNumber {
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return n.stringValue
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}
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}
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return nil
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}
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private static func arrayValue(_ d: [String: Any], keys: [String]) -> [[String: Any]] {
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for key in keys {
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if let arr = d[key] as? [[String: Any]] {
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return arr
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}
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}
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return []
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}
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private static func parseIndicatorStatus(raw: String?, value: String, range: String) -> IndicatorStatus {
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let normalized = raw?
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.trimmingCharacters(in: .whitespacesAndNewlines)
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.lowercased() ?? ""
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if ["high", "h", "hi", "above", "up", "↑", "⬆", "+", "偏高", "高", "增高", "升高", "偏高↑", "h↑"].contains(normalized) {
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return .high
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}
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if ["low", "l", "lo", "below", "down", "↓", "⬇", "-", "偏低", "低", "降低", "偏低↓", "l↓"].contains(normalized) {
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return .low
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}
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if ["normal", "n", "ok", "正常", "阴性", "无异常"].contains(normalized) {
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return .normal
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}
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return inferStatus(value: value, range: range) ?? .normal
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}
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private static func inferStatus(value: String, range: String) -> IndicatorStatus? {
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guard let v = firstNumber(in: value) else { return nil }
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let compact = range
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.replacingOccurrences(of: "—", with: "-")
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.replacingOccurrences(of: "–", with: "-")
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.replacingOccurrences(of: "～", with: "-")
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.replacingOccurrences(of: "~", with: "-")
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.replacingOccurrences(of: "至", with: "-")
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.trimmingCharacters(in: .whitespacesAndNewlines)
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guard !compact.isEmpty else { return nil }
|
||
|
||
let numbers = numbers(in: compact)
|
||
if compact.contains("<") || compact.contains("≤") || compact.contains("＜") {
|
||
guard let upper = numbers.first else { return nil }
|
||
return v > upper ? .high : .normal
|
||
}
|
||
if compact.contains(">") || compact.contains("≥") || compact.contains("＞") {
|
||
guard let lower = numbers.first else { return nil }
|
||
return v < lower ? .low : .normal
|
||
}
|
||
if numbers.count >= 2 {
|
||
let lower = numbers[0]
|
||
let upper = numbers[1]
|
||
if v < lower { return .low }
|
||
if v > upper { return .high }
|
||
return .normal
|
||
}
|
||
return nil
|
||
}
|
||
|
||
private static func firstNumber(in text: String) -> Double? {
|
||
numbers(in: text).first
|
||
}
|
||
|
||
private static func numbers(in text: String) -> [Double] {
|
||
let pattern = #"-?\d+(?:\.\d+)?"#
|
||
guard let regex = try? NSRegularExpression(pattern: pattern) else { return [] }
|
||
let ns = text as NSString
|
||
let range = NSRange(location: 0, length: ns.length)
|
||
return regex.matches(in: text, range: range).compactMap {
|
||
Double(ns.substring(with: $0.range))
|
||
}
|
||
}
|
||
}
|
||
|
||
// MARK: - Report ↔ CaptureService 桥接(MainActor 侧)
|
||
//
|
||
// CaptureService 是 actor,不能直接收 Report(@Model 非 Sendable)。
|
||
// C2「重新解读」UI 走这条路径:
|
||
// ```
|
||
// let assets = report.savedAssets
|
||
// let parsed = try await CaptureService.shared.reanalyze(assets: assets)
|
||
// report.applyReanalyzed(parsed, in: ctx)
|
||
// ```
|
||
|
||
extension Report {
|
||
/// 关联 Asset 转 SavedAsset,直接喂 CaptureService.reanalyze。
|
||
var savedAssets: [FileVault.SavedAsset] {
|
||
assets.map { .init(relativePath: $0.relativePath, bytes: $0.bytes) }
|
||
}
|
||
|
||
/// 把 VL 重新识别结果写回 Report。
|
||
/// - indicators:旧的全删,新的整批插入并维持关联(cascade delete 会清缓存)
|
||
/// - summary / institution:非空才覆盖,避免空摘要把好结果清掉
|
||
/// 必须在 MainActor / SwiftData 主上下文里调用。
|
||
@MainActor
|
||
func applyReanalyzed(_ parsed: ParsedReport, in ctx: ModelContext) {
|
||
if !parsed.summary.isEmpty {
|
||
self.summary = parsed.summary
|
||
}
|
||
if !parsed.institution.isEmpty {
|
||
self.institution = parsed.institution
|
||
}
|
||
// 旧 indicators 全删。各自挂的 Asset(若有局部快拍图)关系是 nullify 不 cascade,
|
||
// 必须手动 unlink Vault 文件 + 删 Asset 记录,否则留下孤儿图片(违反 §6 隐私承诺)。
|
||
// 对照正确写法见 TimelineEntryDetailView.deleteIndicator。
|
||
for old in indicators {
|
||
if let asset = old.asset {
|
||
try? FileVault.shared.remove(relativePath: asset.relativePath)
|
||
ctx.delete(asset)
|
||
}
|
||
ctx.delete(old)
|
||
}
|
||
indicators.removeAll()
|
||
// 新 indicators 重新插入
|
||
for p in parsed.indicators {
|
||
let i = Indicator(
|
||
name: p.name,
|
||
value: p.value,
|
||
unit: p.unit,
|
||
range: p.range,
|
||
status: p.status,
|
||
capturedAt: reportDate,
|
||
report: self
|
||
)
|
||
ctx.insert(i)
|
||
}
|
||
try? ctx.save()
|
||
}
|
||
}
|