feat(dashboard): 接入预测结果聚合

src/server/api/routers/battery.router.ts

@@ -1,11 +1,23 @@
 import { createBatteriesResponse, createDashboardSnapshot } from '@/domain/battery'
 import { os } from '@/server/api/server'
-import { getBatteryHistory, getLatestBatteryPerDevice } from '@/server/battery/mysql'
+import { getBatteryHistory, getBatteryPredictionHistory, getLatestBatteryPerDevice } from '@/server/battery/mysql'
+import { isPredictionEnabled, predictSoh } from '@/server/prediction/client'
 
 export const dashboard = os.battery.dashboard.handler(async () => {
   const items = await getLatestBatteryPerDevice()
+  const predictionEntries = isPredictionEnabled()
+    ? await Promise.all(
+        items.map(async (item) => {
+          const history = await getBatteryPredictionHistory(item.mac)
+          const prediction = await predictSoh(item, history)
 
-  return createDashboardSnapshot(items)
+          return prediction ? ([item.mac, prediction] as const) : null
+        }),
+      )
+    : []
+  const predictions = new Map(predictionEntries.filter((entry) => entry !== null))
+
+  return createDashboardSnapshot(items, new Date(), predictions)
 })
 
 export const batteries = os.battery.batteries.handler(async ({ input }) => {

src/server/battery/mysql.ts

@@ -4,6 +4,7 @@ import { type BatteryInfo, type BatteryInfoSourceRow, toBatteryInfo } from '@/do
 import { env } from '@/env'
 
 const historyLimit = 500
+const predictionHistoryLimit = 10
 
 type BatteryInfoMysqlRow = RowDataPacket & BatteryInfoSourceRow
 
@@ -55,6 +56,21 @@ export async function getBatteryHistory(mac: string): Promise<BatteryInfo[]> {
   return rows.map(toBatteryInfo)
 }
 
+export async function getBatteryPredictionHistory(mac: string): Promise<BatteryInfo[]> {
+  const [rows] = await getBatteryPool().query<BatteryInfoMysqlRow[]>(
+    `
+      SELECT ${sourceColumns}
+      FROM ls_battery_info
+      WHERE mac = :mac
+      ORDER BY create_time DESC, id DESC
+      LIMIT :limit
+    `,
+    { mac, limit: predictionHistoryLimit },
+  )
+
+  return rows.map(toBatteryInfo).reverse()
+}
+
 export async function getLatestBatteryPerDevice(): Promise<BatteryInfo[]> {
   const [rows] = await getBatteryPool().query<BatteryInfoMysqlRow[]>(`
     SELECT ${sourceColumns}