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fix: 优化门店健康分评分公式 - 正态分布(均值63, 标准差9)

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This commit is contained in:
freedakgmail
2026-07-30 09:07:16 +08:00
parent 268e085ffa
commit efb27127e2
2 changed files with 34 additions and 25 deletions
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server/src/routes/situational-awareness.ts
+29 -20
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@@ -17,18 +17,17 @@ router.get('/health-score', async (req: AuthRequest, res) => {
FROM analytics.mv_store_risk_rating
WHERE received IS NOT NULL
),
max_rev AS (
SELECT max(avg_daily_received) AS max_avg FROM base WHERE avg_daily_received > 0
),
cost AS (
SELECT store_code,
round(sum(CASE WHEN variance_to_theoretical_pct > 0 THEN 1 ELSE 0 END)::numeric / nullif(count(*), 0) * 100, 1) AS over_cost_rate
round(avg(LEAST(variance_to_theoretical_pct, 50))::numeric, 1) AS avg_cost_variance_pct
FROM analytics.v_store_theoretical_actual_cost_april
WHERE variance_to_theoretical_pct IS NOT NULL
GROUP BY store_code
),
member AS (
SELECT store_code, repeat_rate_pct
SELECT store_code, max(repeat_rate_pct) AS repeat_rate_pct
FROM analytics.v_store_repeat_summary_monthly
GROUP BY store_code
),
task AS (
SELECT store_code,
@@ -43,26 +42,35 @@ router.get('/health-score', async (req: AuthRequest, res) => {
b.store_code, b.store_name, b.received, b.bill_count, b.avg_bill_value,
b.risk_level,
COALESCE(b.theoretical_margin_pct, 0) AS avg_margin,
COALESCE(c.over_cost_rate, 0) AS over_cost_rate,
COALESCE(c.avg_cost_variance_pct, 20) AS avg_cost_variance_pct,
COALESCE(m.repeat_rate_pct, 0) AS repeat_rate_pct,
COALESCE(b.member_bill_share_pct, 0) AS member_share_pct,
COALESCE(t.completion_rate, 0) AS task_completion_rate,
LEAST(100, GREATEST(0,
25 * CASE WHEN b.avg_daily_received > 0 THEN LEAST(1.0, b.avg_daily_received / mx.max_avg) ELSE 0 END
+ 20 * GREATEST(0, LEAST(1.0, COALESCE(b.theoretical_margin_pct, 0) / 70)) * GREATEST(0, 1 - COALESCE(c.over_cost_rate, 0) / 100)
+ CASE b.risk_level WHEN '绿色' THEN 20 WHEN '黄色' THEN 12 WHEN '红色' THEN 4 ELSE 10 END
+ 10 * GREATEST(0, LEAST(1.0, COALESCE(m.repeat_rate_pct, 0) / 80))
-- 1. 营收规模 20分：30000=满分，中位18642≈12分
20 * LEAST(1.0, b.avg_daily_received / 30000)
-- 2. 成本控制 20分：差异率0%=满分，50%=0分，中位19%≈12分
+ 20 * GREATEST(0, 1 - LEAST(COALESCE(c.avg_cost_variance_pct, 20), 50) / 50)
-- 3. 毛利率 15分：60%=0分，75%=满分，均值71.5%≈11.5分
+ 15 * LEAST(1.0, GREATEST(0, COALESCE(b.theoretical_margin_pct, 0) - 60) / 15)
-- 4. 风险等级 10分
+ CASE b.risk_level WHEN '绿色' THEN 10 WHEN '黄色' THEN 6 WHEN '红色' THEN 2 ELSE 4 END
-- 5. 复购率 10分：40%=满分，中位35%≈8.75分
+ 10 * LEAST(1.0, COALESCE(m.repeat_rate_pct, 0) / 40)
-- 6. 会员占比 10分：20%=满分，中位12.5%≈6.25分
+ 10 * LEAST(1.0, COALESCE(b.member_bill_share_pct, 0) / 20)
-- 7. 任务完成 10分
+ 10 * COALESCE(t.completion_rate, 0) / 100
+ 10 * GREATEST(0, LEAST(1.0, COALESCE(b.member_bill_share_pct, 0) / 60))
-- 8. 客单价 5分：40元=满分，中位33.4≈4.2分
+ 5 * LEAST(1.0, COALESCE(b.avg_bill_value, 0) / 40)
))::numeric(5,1) AS health_score
FROM base b
CROSS JOIN max_rev mx
LEFT JOIN cost c ON b.store_code = c.store_code
LEFT JOIN member m ON b.store_code = m.store_code
LEFT JOIN task t ON b.store_code = t.store_code
)
SELECT store_code, store_name, received, bill_count, avg_bill_value,
risk_level, avg_margin, over_cost_rate, repeat_rate_pct,
risk_level, avg_margin, avg_cost_variance_pct, repeat_rate_pct,
member_share_pct, task_completion_rate, health_score,
CASE WHEN health_score >= 75 THEN '健康'
WHEN health_score >= 55 THEN '亚健康'
@@ -272,26 +280,27 @@ router.get('/correlation', async (req: AuthRequest, res) => {
r.store_code, r.store_name, r.risk_level,
r.received, r.avg_daily_received,
COALESCE(r.theoretical_margin_pct, 0) AS avg_margin,
COALESCE(c.over_cost_rate, 0) AS over_cost_rate,
COALESCE(c.avg_cost_variance_pct, 20) AS avg_cost_variance_pct,
CASE
WHEN r.risk_level = '红色' AND COALESCE(c.over_cost_rate, 0) > 30 THEN '成本失控+高风险'
WHEN r.risk_level = '红色' AND COALESCE(c.avg_cost_variance_pct, 20) > 30 THEN '成本失控+高风险'
WHEN r.risk_level = '红色' THEN '高风险'
WHEN r.risk_level = '黄色' AND COALESCE(c.over_cost_rate, 0) > 20 THEN '成本偏高+中风险'
WHEN COALESCE(c.over_cost_rate, 0) > 30 THEN '成本失控'
WHEN r.risk_level = '黄色' AND COALESCE(c.avg_cost_variance_pct, 20) > 25 THEN '成本偏高+中风险'
WHEN COALESCE(c.avg_cost_variance_pct, 20) > 30 THEN '成本失控'
ELSE '正常'
END AS correlation_status
FROM analytics.mv_store_risk_rating r
LEFT JOIN (
SELECT store_code,
round(sum(CASE WHEN variance_to_theoretical_pct > 0 THEN 1 ELSE 0 END)::numeric / nullif(count(*), 0) * 100, 1) AS over_cost_rate
round(avg(LEAST(variance_to_theoretical_pct, 50))::numeric, 1) AS avg_cost_variance_pct
FROM analytics.v_store_theoretical_actual_cost_april
WHERE variance_to_theoretical_pct IS NOT NULL
GROUP BY store_code
) c ON r.store_code = c.store_code
WHERE r.received IS NOT NULL
ORDER BY
CASE WHEN r.risk_level = '红色' AND COALESCE(c.over_cost_rate, 0) > 30 THEN 0
CASE WHEN r.risk_level = '红色' AND COALESCE(c.avg_cost_variance_pct, 20) > 30 THEN 0
WHEN r.risk_level = '红色' THEN 1
WHEN r.risk_level = '黄色' AND COALESCE(c.over_cost_rate, 0) > 20 THEN 2
WHEN r.risk_level = '黄色' AND COALESCE(c.avg_cost_variance_pct, 20) > 25 THEN 2
ELSE 3 END,
r.received DESC NULLS LAST
`)