zk
275 lines
12 KiB
Python
275 lines
12 KiB
Python
"""简历诊断 Service
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加载简历描述数据 → 并行 AI 诊断 → 统计评级 → AI 汇总评价 → 写入数据库。
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依赖：resume_diagnoser（AI诊断引擎）
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使用表：bg_user_resume + 5张子表（读）、bg_resume_diagnosis_report + issue（写）
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"""
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import json
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from sqlalchemy import select, desc
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.core.logger import log
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from app.models.resume_diagnosis_issue import ResumeDiagnosisIssue
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from app.models.resume_diagnosis_report import ResumeDiagnosisReport
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from app.models.user_resume import UserResume
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from app.services.resume_loader import load_resume_detail
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from app.tool.snowflake import next_id
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# 模块中文名映射
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_MODULE_LABELS = {
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"summary": "个人概述", "education": "教育经历", "work": "工作经历",
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"internship": "实习经历", "project": "项目经历", "competition": "竞赛经历",
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}
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class ResumeDiagnoseService:
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def __init__(self, session: AsyncSession):
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self.session = session
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async def load_resume_data(self, resume_id: int, user_id: int) -> tuple[UserResume, list[dict]]:
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"""加载简历主表 + 5 张子表数据，组装 AI 任务列表"""
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detail = await load_resume_detail(self.session, resume_id, user_id)
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resume = detail.resume
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target_position = resume.target_position or ""
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tasks: list[dict] = []
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# summary
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if resume.summary and resume.summary.strip():
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tasks.append({
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"module_type": "个人概述", "target_position": target_position or "未指定",
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"context": f"姓名: {resume.name or '未填写'}",
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"description_text": resume.summary,
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"_module_type_key": "summary", "_module_record_id": resume_id,
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})
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# 子表
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self._collect_tasks(tasks, target_position, "education", detail.education,
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lambda r: f"学校: {r.school or ''}, 专业: {r.major or ''}, 学历: {r.degree or ''}")
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self._collect_tasks(tasks, target_position, "work", detail.work,
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lambda r: f"公司: {r.company_name or ''}, 职位: {r.position or ''}")
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self._collect_tasks(tasks, target_position, "internship", detail.internship,
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lambda r: f"公司: {r.company_name or ''}, 职位: {r.position or ''}")
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self._collect_tasks(tasks, target_position, "project", detail.project,
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lambda r: f"公司: {r.company_name or ''}, 项目: {r.project_name or ''}, 角色: {r.role or ''}")
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self._collect_tasks(tasks, target_position, "competition", detail.competition,
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lambda r: f"竞赛: {r.competition_name or ''}, 获奖: {r.award or ''}")
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return resume, tasks
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@staticmethod
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def _collect_tasks(tasks: list[dict], target_position: str,
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module_type: str, records: list, context_fn):
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"""将有 description 的记录加入 tasks"""
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for record in records:
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desc_text = _build_description_text(record.description)
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if not desc_text:
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continue
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tasks.append({
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"module_type": _MODULE_LABELS[module_type],
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"target_position": target_position or "未指定",
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"context": context_fn(record),
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"description_text": desc_text,
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"_module_type_key": module_type, "_module_record_id": record.id,
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"_original_description": record.description,
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})
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async def save_report(self, resume_id: int, user_id: int, grade: str, summary: str,
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urgent_total: int, important_total: int, expression_total: int,
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tasks: list[dict], ai_results: list[dict]) -> int:
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"""纯写入：接收已算好的 grade、summary、统计数据，写入 report + issues"""
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report_id = next_id()
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self.session.add(ResumeDiagnosisReport(
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id=report_id, resume_id=resume_id, user_id=user_id,
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grade=grade, summary=summary,
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urgent_total=urgent_total, important_total=important_total, expression_total=expression_total,
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))
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for task, ai_result in zip(tasks, ai_results):
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if not _has_issues(ai_result):
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continue
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self.session.add(ResumeDiagnosisIssue(
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id=next_id(), report_id=report_id, resume_id=resume_id, user_id=user_id,
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module_type=task["_module_type_key"], module_record_id=task["_module_record_id"],
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finding=ai_result.get("finding", ""), importance=ai_result.get("importance", ""),
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suggestion=ai_result.get("suggestion", ""),
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urgent_issues=ai_result.get("urgent_issues"), important_issues=ai_result.get("important_issues"),
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expression_issues=ai_result.get("expression_issues"),
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optimized_content=_build_optimized_content(task, ai_result.get("optimized_content")),
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status=0, user_feedback=0,
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))
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await self.session.flush()
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log.info(f"诊断报告保存完成 reportId:{report_id} grade:{grade}")
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return report_id
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async def get_latest_report(self, resume_id: int, user_id: int) -> dict | None:
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"""查询最近一次诊断报告 + 所有 issues"""
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result = await self.session.execute(
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select(ResumeDiagnosisReport).where(
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ResumeDiagnosisReport.resume_id == resume_id, ResumeDiagnosisReport.user_id == user_id,
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).order_by(desc(ResumeDiagnosisReport.create_time)).limit(1))
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report = result.scalar_one_or_none()
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if report is None:
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return None
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result = await self.session.execute(
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select(ResumeDiagnosisIssue).where(ResumeDiagnosisIssue.report_id == report.id))
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issues = result.scalars().all()
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return {
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"report": {
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"id": str(report.id), "resumeId": str(report.resume_id),
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"grade": report.grade, "summary": report.summary,
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"urgentTotal": report.urgent_total, "importantTotal": report.important_total,
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"expressionTotal": report.expression_total,
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"createTime": report.create_time.strftime("%Y-%m-%d %H:%M:%S") if report.create_time else None,
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},
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"issues": [_issue_to_dict(i) for i in issues],
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}
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async def resolve_issue(self, issue_id: int, user_id: int) -> None:
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"""标记问题已处理"""
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result = await self.session.execute(
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select(ResumeDiagnosisIssue).where(
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ResumeDiagnosisIssue.id == issue_id, ResumeDiagnosisIssue.user_id == user_id))
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issue = result.scalar_one_or_none()
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if issue is None:
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raise ValueError("诊断问题不存在")
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issue.status = 1
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await self.session.flush()
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async def update_feedback(self, issue_id: int, user_id: int, user_feedback: int) -> None:
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"""单独更新用户评价"""
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result = await self.session.execute(
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select(ResumeDiagnosisIssue).where(
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ResumeDiagnosisIssue.id == issue_id, ResumeDiagnosisIssue.user_id == user_id))
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issue = result.scalar_one_or_none()
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if issue is None:
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raise ValueError("诊断问题不存在")
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issue.user_feedback = user_feedback
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await self.session.flush()
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async def get_issue_for_polish(self, issue_id: int, user_id: int) -> dict:
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"""获取 issue 润色所需的上下文信息"""
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result = await self.session.execute(
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select(ResumeDiagnosisIssue).where(
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ResumeDiagnosisIssue.id == issue_id, ResumeDiagnosisIssue.user_id == user_id))
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issue = result.scalar_one_or_none()
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if issue is None:
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raise ValueError("诊断问题不存在")
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return {
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"module_type": issue.module_type,
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"module_label": _MODULE_LABELS.get(issue.module_type, issue.module_type),
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"optimized_content": issue.optimized_content,
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"is_summary": issue.module_type == "summary",
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}
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# ===== 工具函数 =====
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def _build_optimized_content(task: dict, ai_texts: list[str] | None):
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"""将 AI 返回的纯文本数组映射回存储格式
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- summary 模块：取第一个元素作为纯文本字符串
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- 子表模块：用原始 description 的 id + AI 改写的 text 组合成 [{id, text}]
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"""
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if not ai_texts or not isinstance(ai_texts, list):
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return None
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original = task.get("_original_description")
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if original is None:
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# summary 模块，存纯文本
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return ai_texts[0] if ai_texts else None
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# 子表模块，映射回 [{id, text}]
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result = []
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for i, item in enumerate(original):
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if not isinstance(item, dict):
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continue
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text = ai_texts[i] if i < len(ai_texts) else item.get("text", "")
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result.append({"id": item.get("id"), "text": text})
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return result
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def _build_description_text(description: list[dict] | None) -> str:
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"""子表 description [{id, text}] → JSON 字符串传给 AI（保留 id 以便 AI 返回同格式）"""
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if not description:
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return ""
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valid = [item for item in description if isinstance(item, dict) and item.get("text")]
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if not valid:
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return ""
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return json.dumps(valid, ensure_ascii=False)
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def aggregate_results(tasks: list[dict], ai_results: list[dict]) -> dict:
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"""统计汇总 + 评级，返回 {grade, urgent_total, important_total, expression_total, has_weak_relevance, all_findings}"""
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urgent_total = 0
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important_total = 0
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expression_total = 0
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has_weak_relevance = False
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all_findings: list[str] = []
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for task, ai_result in zip(tasks, ai_results):
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urgent = ai_result.get("urgent_issues", {})
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important = ai_result.get("important_issues", {})
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expression = ai_result.get("expression_issues", {})
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urgent_total += sum(v for v in urgent.values() if isinstance(v, int))
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important_total += sum(v for v in important.values() if isinstance(v, int))
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expression_total += sum(v for v in expression.values() if isinstance(v, int))
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if important.get("weak_relevance", 0) > 0:
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has_weak_relevance = True
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finding = ai_result.get("finding", "")
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if finding and _has_issues(ai_result):
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label = _MODULE_LABELS.get(task["_module_type_key"], task["_module_type_key"])
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all_findings.append(f"【{label}】{finding}")
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grade = _calc_grade(urgent_total, important_total, expression_total, has_weak_relevance)
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return {
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"grade": grade, "urgent_total": urgent_total,
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"important_total": important_total, "expression_total": expression_total,
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"all_findings": "\n".join(all_findings),
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}
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def _calc_grade(urgent: int, important: int, expression: int, has_weak_relevance: bool) -> str:
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"""评级硬算：D → C → B → A
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A：urgent=0, important<=1, expression<=1
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B：urgent=0, important<=3, expression<=2（且不满足A）
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C：urgent=1, 或 important 3-4
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D：urgent>=2, 或 (important>=4 且 has_weak_relevance)
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"""
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if urgent >= 2 or (important >= 4 and has_weak_relevance):
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return "D"
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if urgent == 1 or 3 <= important <= 4:
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return "C"
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if urgent == 0 and important <= 1 and expression <= 1:
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return "A"
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if urgent == 0 and important <= 3 and expression <= 2:
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return "B"
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return "C"
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def _has_issues(ai_result: dict) -> bool:
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"""判断诊断结果是否存在问题（所有计数都为 0 则无问题）"""
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for key in ("urgent_issues", "important_issues", "expression_issues"):
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counts = ai_result.get(key, {})
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if any(v > 0 for v in counts.values() if isinstance(v, int)):
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return True
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return False
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def _issue_to_dict(issue: ResumeDiagnosisIssue) -> dict:
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"""ORM → API 响应字典"""
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return {
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"id": str(issue.id), "moduleType": issue.module_type,
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"moduleRecordId": str(issue.module_record_id),
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"finding": issue.finding, "importance": issue.importance, "suggestion": issue.suggestion,
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"urgentIssues": issue.urgent_issues, "importantIssues": issue.important_issues,
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"expressionIssues": issue.expression_issues, "optimizedContent": issue.optimized_content,
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"status": issue.status, "userFeedback": issue.user_feedback,
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}
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