249 lines
11 KiB
Python
249 lines
11 KiB
Python
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"""CMS 训练记录查询 + 带教能力画像 / 排行榜（只读，fastapi 属主表 training_record）。
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- CMS-TRN-1 超管训练记录列表：`GET /api/cms/training-records/`（全平台，`IsSuperAdmin`）。
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- CMS-TEA-3 带教教学工具训练记录：`GET /api/cms/students/training-records/`
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（名下学生，由 `CmsStudentViewSet` 的 action 复用 `build_training_records`）。
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- CMS-TEA-4 带教能力画像：`GET /api/cms/students/{id}/competency/`（复用移动端智能分析 5 维口径）。
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- CMS-TEA-5 带教排行榜：`GET /api/cms/students/ranking/`（名下学生多维度排名）。
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得分按 `score_type` 归一（five_point×20）；雷达/得分率走 `ai_feedback_structured.dimension_scores`
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（带 max_score）。全程只读，不写训练表。
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"""
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from collections import defaultdict
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from datetime import datetime, timedelta
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from django.db.models import Q, Avg, Sum
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from django.utils import timezone
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from rest_framework.decorators import api_view, permission_classes
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from rest_framework.permissions import IsAuthenticated
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from rest_framework.pagination import PageNumberPagination
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from rest_framework.response import Response
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from apps.training.models import TrainingRecord
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from apps.user.models import User
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from apps.case.models import CaseBase
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from apps.user.stats import (
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STANDARD_DIMS, DIMENSION_MAP, _dimension_scores, _diagnosis_accuracy,
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_norm_total, _NORM_TOTAL_EXPR,
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)
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from apps.cms.permissions import IsSuperAdmin
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# 排行榜支持的维度：分数 / 训练次数 / 完成数 + 固定 5 个能力维度（得分率）
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RANK_BASE_DIMS = ('score', 'train_count', 'completed')
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RANK_DIMS = RANK_BASE_DIMS + tuple(STANDARD_DIMS)
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def _is_number(s):
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try:
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float(s)
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return True
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except (TypeError, ValueError):
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return False
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def _parse_date(s):
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"""'YYYY-MM-DD' / 'YYYY/MM/DD' → aware datetime（当天 00:00）或 None。"""
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s = (s or '').strip()
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for fmt in ('%Y-%m-%d', '%Y/%m/%d'):
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try:
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return timezone.make_aware(datetime.strptime(s, fmt))
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except ValueError:
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continue
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return None
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# ── 训练记录列表（CMS-TRN-1 / CMS-TEA-3 共用）──────────────────────────────────
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def _filter_records(base, request):
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p = request.query_params
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search = (p.get('search') or '').strip()
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if search:
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base = base.filter(
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Q(case__title__icontains=search)
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| Q(user__real_name__icontains=search)
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| Q(user__phone__icontains=search)
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)
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for key, field in (('user_id', 'user_id'), ('case_id', 'case_id')):
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v = (p.get(key) or '').strip()
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if v.isdigit():
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base = base.filter(**{field: int(v)})
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status = (p.get('status') or '').strip()
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if status:
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base = base.filter(status=status)
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for f in ('training_mode', 'case_type'):
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v = (p.get(f) or '').strip()
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if v:
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base = base.filter(**{f: v})
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inst = (p.get('institution') or '').strip()
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if inst.isdigit():
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base = base.filter(user__institution_id=int(inst))
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d0, d1 = _parse_date(p.get('start_date')), _parse_date(p.get('end_date'))
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if d0:
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base = base.filter(created_at__gte=d0)
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if d1:
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base = base.filter(created_at__lt=d1 + timedelta(days=1))
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# 归一分数范围过滤
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min_s, max_s = (p.get('min_score') or '').strip(), (p.get('max_score') or '').strip()
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if _is_number(min_s) or _is_number(max_s):
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base = base.annotate(_norm=_NORM_TOTAL_EXPR)
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if _is_number(min_s):
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base = base.filter(_norm__gte=float(min_s))
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if _is_number(max_s):
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base = base.filter(_norm__lte=float(max_s))
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return base
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def _serialize_record(r, users, cases):
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"""users/cases 为按 id 预取的字典（避免对 fastapi 表的非空 FK 做 INNER JOIN
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丢掉宿主系统外部用户/孤立病例的记录）。"""
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user = users.get(r.user_id)
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case = cases.get(r.case_id)
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dept = case.department if (case and case.department_id) else None
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return {
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'record_id': r.id,
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'user_id': r.user_id,
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'user_name': user.real_name if user else '',
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'institution': user.institution_id if user else None,
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'institution_name': (user.institution.name if (user and user.institution_id) else ''),
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'case_id': r.case_id,
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'case_title': case.title if case else '',
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'department': dept.name if dept else '',
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'training_mode': r.training_mode,
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'case_type': r.case_type,
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'status': r.status,
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'score': float(r.total_score) if r.total_score is not None else None,
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'score_type': r.score_type,
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'score_normalized': (round(_norm_total(r.total_score, r.score_type), 1)
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if r.total_score is not None else None),
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'evaluation_level': r.evaluation_level,
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'trained_at': r.end_time or r.created_at,
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'duration_seconds': r.duration_seconds,
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}
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def build_training_records(base, request):
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"""对给定 base 查询集应用过滤 + 分页 + 汇总，返回分页 Response。
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超管传 `TrainingRecord.objects.all()`；带教传名下学生范围的查询集。
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⚠️ 不用 select_related（user/case 在 fastapi 表里是非空 FK，INNER JOIN 会丢掉
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宿主系统外部用户/本地缺失病例的记录，导致 count 与 results 不一致）；改为按 id 批量预取。
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"""
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base = _filter_records(base, request)
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avg = base.filter(status='completed').aggregate(a=Avg(_NORM_TOTAL_EXPR))['a']
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summary = {
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'total': base.count(),
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'completed': base.filter(status='completed').count(),
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'avg_score': round(float(avg), 1) if avg is not None else None,
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}
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paginator = PageNumberPagination()
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page = paginator.paginate_queryset(base.order_by('-end_time', '-id'), request)
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users = User.all_objects.filter(id__in={r.user_id for r in page}).select_related('institution')
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cases = CaseBase.all_objects.filter(id__in={r.case_id for r in page}).select_related('department')
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users = {u.id: u for u in users}
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cases = {c.id: c for c in cases}
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resp = paginator.get_paginated_response([_serialize_record(r, users, cases) for r in page])
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resp.data['summary'] = summary
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return resp
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@api_view(['GET'])
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@permission_classes([IsAuthenticated, IsSuperAdmin])
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def training_records(request):
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"""CMS-TRN-1 超管训练记录列表（全平台只读）。"""
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return build_training_records(TrainingRecord.objects.all(), request)
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# ── 能力画像（CMS-TEA-4）──────────────────────────────────────────────────────
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def _radar_buckets(records):
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"""各标准维度得分率列表。返回 {标准维度: [得分率,...]}。"""
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buckets = defaultdict(list)
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for r in records:
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for dim, score, mx in _dimension_scores(r):
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std = DIMENSION_MAP.get(dim)
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if std and score is not None and mx and float(mx) > 0:
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buckets[std].append(float(score) / float(mx) * 100)
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return buckets
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def student_competency(student):
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"""单个学生的能力画像（复用移动端「智能分析」固定 5 维口径）。"""
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qs = TrainingRecord.objects.filter(user_id=student.id, status='completed')
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recs = list(qs.only('total_score', 'score_type', 'duration_seconds', 'ai_feedback_structured'))
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agg = qs.aggregate(total=Sum('duration_seconds'), avg=Avg(_NORM_TOTAL_EXPR))
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avg = agg['avg']
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buckets = _radar_buckets(recs)
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radar = [{'dimension': d, 'score': (round(sum(buckets[d]) / len(buckets[d])) if buckets[d] else 0)}
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for d in STANDARD_DIMS]
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ordered = sorted((x for x in radar if buckets[x['dimension']]), key=lambda x: x['score'])
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weak = [ordered[0]['dimension']] if ordered else []
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comment = ''
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if len(ordered) >= 2 and ordered[0]['score'] != ordered[-1]['score']:
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comment = (f"该学生{ordered[-1]['dimension']}表现突出，但{ordered[0]['dimension']}"
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f"仍有提升空间，建议加强相关训练。")
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elif ordered:
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comment = f"各维度表现较为均衡，可针对{weak[0]}做进一步强化。"
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return {
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'student_id': student.id,
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'real_name': student.real_name,
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'completed_cases': qs.count(),
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'total_hours': round((agg['total'] or 0) / 3600, 1),
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'avg_score': round(float(avg), 1) if avg is not None else 0,
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'diagnosis_accuracy': _diagnosis_accuracy(recs),
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'radar': radar,
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'weak_dimensions': weak,
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'comment': comment,
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}
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# ── 排行榜（CMS-TEA-5）────────────────────────────────────────────────────────
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def build_ranking(students, dimension):
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"""名下学生按指定维度排名。
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dimension ∈ {score(默认), train_count, completed} ∪ STANDARD_DIMS（各维度得分率）。
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无数据的学生 value=None，排在末尾。
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"""
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dimension = (dimension or 'score').strip()
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if dimension not in RANK_DIMS:
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dimension = 'score'
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info = {u.id: (u.real_name, (u.department.name if u.department_id else '')) for u in students}
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ids = list(info)
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metrics = {i: {'train_count': 0, 'completed': 0, 'score_sum': 0.0, 'score_n': 0,
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'dim': defaultdict(list)} for i in ids}
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for r in (TrainingRecord.objects.filter(user_id__in=ids)
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.only('user_id', 'status', 'total_score', 'score_type', 'ai_feedback_structured')):
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m = metrics[r.user_id]
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m['train_count'] += 1
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if r.status == 'completed':
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m['completed'] += 1
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n = _norm_total(r.total_score, r.score_type)
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if n is not None:
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m['score_sum'] += n
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m['score_n'] += 1
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for dim, score, mx in _dimension_scores(r):
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std = DIMENSION_MAP.get(dim)
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if std and score is not None and mx and float(mx) > 0:
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m['dim'][std].append(float(score) / float(mx) * 100)
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def value_of(i):
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m = metrics[i]
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if dimension == 'train_count':
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return m['train_count']
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if dimension == 'completed':
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return m['completed']
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if dimension in STANDARD_DIMS:
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vals = m['dim'].get(dimension)
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return round(sum(vals) / len(vals), 1) if vals else None
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return round(m['score_sum'] / m['score_n'], 1) if m['score_n'] else None
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rows = [{'student_id': i, 'real_name': info[i][0], 'department': info[i][1],
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'value': value_of(i), 'train_count': metrics[i]['train_count']} for i in ids]
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rows.sort(key=lambda x: (x['value'] is None, -(x['value'] or 0)))
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for idx, row in enumerate(rows, 1):
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row['rank'] = idx
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return {'dimension': dimension, 'count': len(rows), 'ranking': rows}
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