wsb1224
cf77d40569
PPT 对象选择和绿色选中框。 双击编辑文本框、表格单元格。 文字字体、字号、加粗、颜色、对齐属性。 Ctrl/Cmd+Z、Ctrl/Cmd+Shift+Z 撤销重做。 PPT 缩略图/网格总览切换。 历史版本只读查看。 历史版本“恢复为新版本”，不覆盖旧文件。 海报区块显示/隐藏。 长图区块上移、下移排序。 新背景候选确认，可选择使用新背景或保留原背景。 合规问题“一键采用建议”。 新增 warn 合规级别。 解析失败人工填写入口。 展示解析方法和低质量页诊断。 同步更新了[API 接口文档](/D:/work/code/python/coding/baodanagent/docs/保险智能客服系统_API接口文档.md)。 验证结果： 相关后端测试：28 passed, 1 skipped Python 编译检查：通过 前端生产构建：通过 git diff --check：通过
336 lines
11 KiB
Python
336 lines
11 KiB
Python
"""海报后台任务管理。
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使用与 PPT parse_worker 相同的后台线程 + Redis 锁模式。
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任务状态通过数据库字段追踪，前端轮询获取进度。
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"""
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import json
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import logging
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import threading
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import os
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from datetime import datetime
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from insurance.db.compat import db
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logger = logging.getLogger(__name__)
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_local_locks: set = set()
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_local_locks_guard = threading.Lock()
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_redis_locks: set = set()
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# 超过此时间仍为 queued/generating 的任务视为过期（秒）
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STALE_TASK_TIMEOUT = 600 # 10 分钟
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def recover_stale_tasks():
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"""启动时恢复过期任务：将长时间 queued/generating 的任务标记为 failed。
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应在应用启动时调用。
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"""
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from insurance.models.poster_record import PosterRecord
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from insurance.models.poster_case_upload import PosterCaseUpload
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cutoff = datetime.now().timestamp() - STALE_TASK_TIMEOUT
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# 恢复过期的海报生成任务
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stale_records = PosterRecord.query.filter(
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PosterRecord.task_status.in_(["queued", "generating"]),
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PosterRecord.created_at < datetime.fromtimestamp(cutoff),
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).all()
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for record in stale_records:
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record.task_status = "failed"
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record.task_error = "任务因服务重启而中断，请重新生成"
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record.finished_at = datetime.now()
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logger.warning(f"恢复过期海报任务: record_id={record.id}")
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# 恢复过期的计划书解析任务
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stale_cases = PosterCaseUpload.query.filter(
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PosterCaseUpload.parse_status.in_(["queued", "parsing"]),
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PosterCaseUpload.created_at < datetime.fromtimestamp(cutoff),
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).all()
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for case in stale_cases:
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case.parse_status = "failed"
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logger.warning(f"恢复过期解析任务: case_id={case.id}")
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if stale_records or stale_cases:
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db.session.commit()
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logger.info(f"已恢复 {len(stale_records)} 个海报任务, {len(stale_cases)} 个解析任务")
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# ─── 计划书解析任务 ───────────────────────────────────────
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def start_case_parse_task(app, case_upload_id: int) -> bool:
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"""启动后台计划书解析任务，返回是否新启动。"""
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lock_key = f"poster_case_parse:{case_upload_id}"
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if not _acquire_lock(lock_key):
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return False
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thread = threading.Thread(
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target=_run_case_parse_task,
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args=(app, case_upload_id, lock_key),
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daemon=True,
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)
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thread.start()
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return True
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def _run_case_parse_task(app, case_upload_id: int, lock_key: str):
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with app.app_context():
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try:
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_execute_case_parse(case_upload_id)
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except Exception as exc:
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logger.error(f"计划书解析任务失败 [{case_upload_id}]: {exc}", exc_info=True)
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_mark_case_failed(case_upload_id, str(exc))
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finally:
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_release_lock(lock_key)
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db.session.remove()
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def _execute_case_parse(case_upload_id: int):
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from insurance.models.poster_case_upload import PosterCaseUpload
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record = PosterCaseUpload.query.get(case_upload_id)
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if not record:
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return
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filepath = record.source_file_url
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if not filepath or not os.path.exists(filepath):
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record.parse_status = "failed"
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db.session.commit()
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return
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record.parse_status = "parsing"
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db.session.commit()
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from insurance.ppt.extraction import ExtractionOrchestrator
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orchestrator = ExtractionOrchestrator(use_cache=False)
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import asyncio
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parsed = None
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product_context = {}
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if record.product_snapshot_json:
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try:
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product_context = json.loads(record.product_snapshot_json) or {}
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except (json.JSONDecodeError, TypeError):
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logger.warning("计划书产品快照无效: case_id=%s", case_upload_id)
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plan_type = str(product_context.get("planType") or "savings").lower()
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product_data = product_context.get("productData") or {}
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product_name = (
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product_context.get("productName")
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or product_data.get("displayName")
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or ""
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)
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product_aliases = product_data.get("aliases") or []
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company_id = (
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product_context.get("companyId")
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or product_data.get("companyId")
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or ""
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)
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# 优先使用完整解析（获取利益演示表）
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try:
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result = asyncio.run(orchestrator.extract_plan(
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filepath,
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plan_type=plan_type,
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company_id=company_id,
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product_id=record.product_id or "",
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product_name_hint=product_name,
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product_aliases=product_aliases,
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))
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if result.status != "error" and result.data:
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data = result.data
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parsed = _map_extract_plan_fields(data, result.plan_type, result.status)
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logger.info(f"使用 extract_plan 解析成功: case_id={case_upload_id}, type={result.plan_type}")
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except Exception as exc:
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logger.warning(f"extract_plan 失败，降级到 extract_for_poster: {exc}")
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# 降级：使用轻量解析
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if not parsed:
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try:
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parsed = asyncio.run(orchestrator.extract_for_poster(filepath))
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logger.info(f"使用 extract_for_poster 降级解析: case_id={case_upload_id}")
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except Exception as exc:
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logger.error(f"extract_for_poster 也失败: {exc}")
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record = PosterCaseUpload.query.get(case_upload_id)
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if record:
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record.parse_status = "failed"
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db.session.commit()
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return
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record = PosterCaseUpload.query.get(case_upload_id)
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if not record:
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return
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parse_status = (parsed.get("meta") or {}).get("status", "failed")
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record.parsed_data = json.dumps(parsed, ensure_ascii=False)
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record.parse_status = parse_status
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db.session.commit()
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def _map_extract_plan_fields(data: dict, plan_type: str, status: str) -> dict:
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"""将 extract_plan 的完整数据映射为海报前端所需字段结构。
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兼容多种可能的字段命名（LLM 输出不固定）。
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"""
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insured = data.get("insured") or {}
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policy = data.get("policy") or {}
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def first_value(*values):
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for value in values:
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if value is not None and value != "":
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return value
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return None
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raw_gender = first_value(insured.get("gender"), data.get("gender"))
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gender_map = {
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"male": "男", "m": "男", "男": "男",
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"female": "女", "f": "女", "女": "女",
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}
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gender = gender_map.get(str(raw_gender).strip().lower(), raw_gender) if raw_gender else None
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raw_currency = first_value(policy.get("currency"), data.get("currency"))
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from insurance.ppt.normalizer import _normalize_currency
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currency = _normalize_currency(raw_currency)
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# 保额：优先读取正式提取结构中的 policy
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sum_assured = (
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policy.get("sum_insured")
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or policy.get("basic_sum_insured")
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or policy.get("sum_assured")
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or data.get("sum_insured")
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or data.get("basic_sum_insured")
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or data.get("sum_assured")
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or data.get("face_amount")
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or data.get("coverage_amount")
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)
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# 缴费年期
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premium_term = (
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policy.get("premium_payment_period")
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or policy.get("premium_term")
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or data.get("premium_term")
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or data.get("payment_period")
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or data.get("paying_period")
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or data.get("premium_payment_term")
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)
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# 年缴保费
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annual_premium = (
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policy.get("annual_premium")
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or policy.get("target_premium")
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or data.get("annual_premium")
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or data.get("premium_amount")
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or data.get("yearly_premium")
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)
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# 保障期限
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coverage_period = (
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policy.get("coverage_period")
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or data.get("coverage_period")
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or data.get("policy_term")
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or data.get("coverage_term")
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)
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# 利益演示表
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benefit_table = (
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data.get("benefit_illustration")
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or data.get("benefit_table")
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or data.get("cash_value_projection")
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or []
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)
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result = {
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"age": first_value(insured.get("age"), data.get("age")),
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"gender": gender,
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"currency": currency,
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"sum_assured": sum_assured,
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"premium_term": premium_term,
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"annual_premium": annual_premium,
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"coverage_period": coverage_period,
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"key_benefits": data.get("key_benefits") or [],
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"benefit_table": benefit_table,
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"plan_type": plan_type,
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"extraction_status": status,
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}
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business_fields = (
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"age", "gender", "currency", "sum_assured",
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"premium_term", "annual_premium", "coverage_period",
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)
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valid_count = sum(
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1 for key in business_fields
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if result.get(key) is not None and result.get(key) != ""
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)
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required_by_type = {
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"savings": ("age", "currency", "annual_premium", "premium_term"),
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"ci": ("age", "currency", "sum_assured"),
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"iul": ("age", "currency", "sum_assured", "annual_premium"),
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}
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required = required_by_type.get(str(plan_type or "").lower(), ("age", "currency"))
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missing = [
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key for key in required
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if result.get(key) is None or result.get(key) == ""
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]
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mapped_status = "failed" if valid_count == 0 else ("partial" if missing else "parsed")
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result["meta"] = {
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"planType": plan_type,
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"status": mapped_status,
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"sourceStatus": status,
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"missingFields": missing,
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"validFieldCount": valid_count,
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"method": (
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(data.get("_meta") or {}).get("method")
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or (data.get("extraction_meta") or {}).get("method")
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or status
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),
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"provenance": data.get("_provenance") or data.get("provenance") or {},
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"lowQualityPages": (
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(data.get("_meta") or {}).get("low_quality_pages")
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or (data.get("extraction_meta") or {}).get("lowQualityPages")
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or []
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),
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}
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return result
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def _mark_case_failed(case_upload_id: int, error: str):
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from insurance.models.poster_case_upload import PosterCaseUpload
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record = PosterCaseUpload.query.get(case_upload_id)
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if not record:
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return
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record.parse_status = "failed"
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db.session.commit()
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# ─── 锁管理 ────────────────────────────────────────────────
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def _acquire_lock(key: str) -> bool:
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"""获取任务锁（优先 Redis，降级本地内存）。"""
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redis_key = f"poster_task_lock:{key}"
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try:
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from insurance.db.compat import redis_client
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if redis_client and redis_client.set(redis_key, "1", nx=True, ex=1800):
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_redis_locks.add(key)
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return True
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if redis_client:
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return False
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except Exception:
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pass
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with _local_locks_guard:
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if key in _local_locks:
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return False
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_local_locks.add(key)
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return True
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def _release_lock(key: str):
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"""释放任务锁。"""
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if key in _redis_locks:
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try:
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from insurance.db.compat import redis_client
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if redis_client:
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redis_client.delete(f"poster_task_lock:{key}")
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except Exception:
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pass
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_redis_locks.discard(key)
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with _local_locks_guard:
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_local_locks.discard(key)
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