add backend source code
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299
backend/app/services/stats_service.py
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299
backend/app/services/stats_service.py
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"""
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统计服务层 - BSC 维度分析、绩效统计
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"""
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from typing import Optional, List, Dict, Any
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from datetime import datetime
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from sqlalchemy import select, func, and_
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy.orm import selectinload
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from app.models.models import (
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Assessment, AssessmentDetail, Indicator, Department, Staff,
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BSCDimension, AssessmentStatus
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)
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class StatsService:
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"""统计服务"""
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@staticmethod
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async def get_bsc_dimension_stats(
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db: AsyncSession,
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department_id: Optional[int] = None,
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period_year: int = None,
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period_month: int = None
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) -> Dict[str, Any]:
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"""获取 BSC 维度统计"""
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dimensions = {
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BSCDimension.FINANCIAL: {'score': 0, 'weight': 0, 'indicators': 0},
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BSCDimension.CUSTOMER: {'score': 0, 'weight': 0, 'indicators': 0},
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BSCDimension.INTERNAL_PROCESS: {'score': 0, 'weight': 0, 'indicators': 0},
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BSCDimension.LEARNING_GROWTH: {'score': 0, 'weight': 0, 'indicators': 0},
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}
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# 构建查询条件
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conditions = [
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Assessment.status == AssessmentStatus.FINALIZED
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]
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if period_year:
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conditions.append(Assessment.period_year == period_year)
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if period_month:
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conditions.append(Assessment.period_month == period_month)
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if department_id:
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conditions.append(Assessment.staff_id.has(Staff.department_id == department_id))
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# 查询各维度得分
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result = await db.execute(
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select(
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Indicator.bs_dimension,
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func.sum(AssessmentDetail.score * Indicator.weight).label('total_score'),
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func.sum(Indicator.weight).label('total_weight'),
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func.count(AssessmentDetail.id).label('indicator_count')
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)
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.join(AssessmentDetail, AssessmentDetail.indicator_id == Indicator.id)
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.join(Assessment, Assessment.id == AssessmentDetail.assessment_id)
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.where(and_(*conditions))
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.group_by(Indicator.bs_dimension)
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)
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for row in result.fetchall():
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dim = row.bs_dimension
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if dim in dimensions:
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dimensions[dim] = {
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'score': float(row.total_score) if row.total_score else 0,
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'weight': float(row.total_weight) if row.total_weight else 0,
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'indicators': row.indicator_count,
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'average': (float(row.total_score) / float(row.total_weight)) if row.total_weight else 0
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}
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return {
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'dimensions': dimensions,
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'period': f"{period_year}年{period_month}月" if period_year and period_month else "全部"
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}
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@staticmethod
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async def get_department_stats(
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db: AsyncSession,
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period_year: int = None,
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period_month: int = None
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) -> List[Dict[str, Any]]:
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"""获取科室绩效统计"""
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conditions = [
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Assessment.status == AssessmentStatus.FINALIZED
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]
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if period_year:
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conditions.append(Assessment.period_year == period_year)
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if period_month:
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conditions.append(Assessment.period_month == period_month)
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result = await db.execute(
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select(
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Department.id,
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Department.name,
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Department.dept_type,
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Staff.id.label('staff_id'),
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Staff.name.label('staff_name'),
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Assessment.total_score,
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Assessment.weighted_score
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)
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.join(Staff, Staff.department_id == Department.id)
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.join(Assessment, Assessment.staff_id == Staff.id)
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.where(and_(*conditions))
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.order_by(Department.id, Assessment.weighted_score.desc())
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)
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# 按科室汇总
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dept_stats = {}
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for row in result.fetchall():
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dept_id = row.id
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if dept_id not in dept_stats:
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dept_stats[dept_id] = {
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'department_id': dept_id,
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'department_name': row.name,
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'dept_type': row.dept_type,
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'staff_count': 0,
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'total_score': 0,
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'avg_score': 0,
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'max_score': 0,
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'min_score': None,
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'staff_list': []
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}
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dept_stats[dept_id]['staff_count'] += 1
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dept_stats[dept_id]['total_score'] += row.weighted_score or 0
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dept_stats[dept_id]['staff_list'].append({
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'staff_id': row.staff_id,
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'staff_name': row.staff_name,
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'score': row.weighted_score
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})
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if row.weighted_score:
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if row.weighted_score > dept_stats[dept_id]['max_score']:
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dept_stats[dept_id]['max_score'] = row.weighted_score
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if dept_stats[dept_id]['min_score'] is None or row.weighted_score < dept_stats[dept_id]['min_score']:
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dept_stats[dept_id]['min_score'] = row.weighted_score
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# 计算平均分
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result_list = []
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for dept in dept_stats.values():
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if dept['staff_count'] > 0:
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dept['avg_score'] = dept['total_score'] / dept['staff_count']
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result_list.append(dept)
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# 按平均分排序
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result_list.sort(key=lambda x: x['avg_score'], reverse=True)
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return result_list
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@staticmethod
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async def get_trend_stats(
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db: AsyncSession,
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department_id: Optional[int] = None,
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period_year: int = None,
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months: int = 6
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) -> List[Dict[str, Any]]:
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"""获取趋势统计（月度）"""
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conditions = [
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Assessment.status == AssessmentStatus.FINALIZED
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]
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if period_year:
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# 查询最近 months 个月的数据
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from datetime import datetime
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current_month = datetime.now().month
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start_month = current_month - months + 1
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if start_month < 1:
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# 跨年份
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conditions.append(
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((Assessment.period_year == period_year - 1) & (Assessment.period_month >= start_month + 12)) |
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((Assessment.period_year == period_year) & (Assessment.period_month <= current_month))
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)
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else:
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conditions.append(Assessment.period_year == period_year)
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conditions.append(Assessment.period_month >= start_month)
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conditions.append(Assessment.period_month <= current_month)
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if department_id:
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conditions.append(Assessment.staff_id.has(Staff.department_id == department_id))
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result = await db.execute(
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select(
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Assessment.period_month,
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func.avg(Assessment.total_score).label('avg_score'),
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func.avg(Assessment.weighted_score).label('avg_weighted_score'),
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func.count(Assessment.id).label('count')
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)
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.join(Staff, Staff.id == Assessment.staff_id)
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.where(and_(*conditions))
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.group_by(Assessment.period_month)
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.order_by(Assessment.period_month)
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)
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return [
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{
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'month': row.period_month,
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'avg_score': float(row.avg_score) if row.avg_score else 0,
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'avg_weighted_score': float(row.avg_weighted_score) if row.avg_weighted_score else 0,
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'count': row.count
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}
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for row in result.fetchall()
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]
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@staticmethod
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async def get_ranking_stats(
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db: AsyncSession,
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period_year: int = None,
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period_month: int = None,
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limit: int = 10
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) -> List[Dict[str, Any]]:
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"""获取绩效排名"""
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conditions = [
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Assessment.status == AssessmentStatus.FINALIZED
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]
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if period_year:
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conditions.append(Assessment.period_year == period_year)
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if period_month:
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conditions.append(Assessment.period_month == period_month)
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result = await db.execute(
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select(
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Staff.id,
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Staff.name,
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Staff.employee_id,
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Department.name.label('dept_name'),
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Assessment.total_score,
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Assessment.weighted_score
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)
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.join(Department, Department.id == Staff.department_id)
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.join(Assessment, Assessment.staff_id == Staff.id)
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.where(and_(*conditions))
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.order_by(Assessment.weighted_score.desc())
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.limit(limit)
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)
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return [
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{
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'staff_id': row.id,
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'staff_name': row.name,
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'employee_id': row.employee_id,
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'department': row.dept_name,
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'total_score': float(row.total_score) if row.total_score else 0,
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'weighted_score': float(row.weighted_score) if row.weighted_score else 0,
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'rank': idx + 1
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}
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for idx, row in enumerate(result.fetchall())
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]
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@staticmethod
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async def get_completion_stats(
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db: AsyncSession,
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indicator_id: Optional[int] = None,
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period_year: int = None,
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period_month: int = None
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) -> Dict[str, Any]:
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"""获取指标完成度统计"""
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conditions = [
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Assessment.status == AssessmentStatus.FINALIZED
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]
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if period_year:
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conditions.append(Assessment.period_year == period_year)
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if period_month:
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conditions.append(Assessment.period_month == period_month)
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query = select(
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Indicator.id,
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Indicator.name,
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Indicator.code,
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Indicator.target_value,
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Indicator.max_score,
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func.avg(AssessmentDetail.score).label('avg_score'),
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func.max(AssessmentDetail.score).label('max_score'),
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func.min(AssessmentDetail.score).label('min_score'),
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func.count(AssessmentDetail.id).label('count')
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).join(AssessmentDetail, AssessmentDetail.indicator_id == Indicator.id)
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if indicator_id:
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conditions.append(Indicator.id == indicator_id)
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result = await db.execute(
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query.where(and_(*conditions))
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.group_by(Indicator.id, Indicator.name, Indicator.code, Indicator.target_value, Indicator.max_score)
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)
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indicators = []
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for row in result.fetchall():
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completion_rate = 0
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if row.target_value and row.avg_score:
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completion_rate = (float(row.avg_score) / float(row.target_value)) * 100 if row.target_value else 0
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indicators.append({
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'indicator_id': row.id,
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'indicator_name': row.name,
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'indicator_code': row.code,
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'target_value': float(row.target_value) if row.target_value else None,
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'max_score': float(row.max_score) if row.max_score else 0,
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'avg_score': float(row.avg_score) if row.avg_score else 0,
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'completion_rate': min(completion_rate, 100), # 最高 100%
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'count': row.count
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})
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return {'indicators': indicators}
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