chore: commit mileage updates and accumulated project artifacts

2026-09-21 09:15:54 +08:00
parent 6cc872ceb6
commit 8b32ae2988
767 changed files with 572885 additions and 17 deletions
@@ -0,0 +1,105 @@
+// Apply a reviewed, backed-up stale-baseline plan and rebuild its projections atomically.
+package main
+
+import (
+	"context"
+	"database/sql"
+	"encoding/json"
+	"flag"
+	"fmt"
+	_ "github.com/go-sql-driver/mysql"
+	"lingniu-vehicle-ingest/go/vehicle-gateway/internal/envelope"
+	"lingniu-vehicle-ingest/go/vehicle-gateway/internal/stats"
+	"math"
+	"os"
+	"sort"
+	"strconv"
+	"time"
+)
+
+type change struct {
+	Before struct {
+		VIN       string `json:"vin"`
+		Protocol  string `json:"protocol"`
+		Date      string `json:"stat_date"`
+		Source    string `json:"source_key"`
+		First     string `json:"first_total_mileage_km"`
+		FirstTime string `json:"first_event_time"`
+		Total     string `json:"latest_total_mileage_km"`
+		LastTime  string `json:"latest_event_time"`
+		Daily     string `json:"daily_mileage_km"`
+	} `json:"before"`
+	Baseline struct {
+		Total string `json:"total"`
+		Time  string `json:"time"`
+	} `json:"baseline"`
+	Daily  string `json:"daily"`
+	Status string `json:"status"`
+	Reason string `json:"reason"`
+}
+
+func main() {
+	input := flag.String("input", "", "reviewed JSON plan")
+	apply := flag.Bool("apply", false, "apply plan and projections in one transaction")
+	manifest := flag.String("backup-manifest", "", "verified backup manifest required for apply")
+	flag.Parse()
+	data, err := os.ReadFile(*input)
+	must(err)
+	var changes []change
+	must(json.Unmarshal(data, &changes))
+	if !*apply {
+		fmt.Printf("planned=%d dry_run=true\n", len(changes))
+		return
+	}
+	backup, err := os.ReadFile(*manifest)
+	must(err)
+	if !json.Valid(backup) {
+		panic("invalid backup manifest")
+	}
+	db, err := sql.Open("mysql", os.Getenv("MYSQL_DSN"))
+	must(err)
+	defer db.Close()
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute)
+	defer cancel()
+	tx, err := db.BeginTx(ctx, nil)
+	must(err)
+	defer tx.Rollback()
+	affected := map[string]change{}
+	for _, c := range changes {
+		b := c.Before
+		total, stamp, found, err := stats.LookupLatestSourceBaselineBefore(ctx, tx, b.VIN, b.Date, envelope.Protocol(b.Protocol), b.Source)
+		must(err)
+		expected, err := strconv.ParseFloat(c.Baseline.Total, 64)
+		must(err)
+		if !found || math.Abs(total-expected) > 0.0001 || stamp.Format("2006-01-02 15:04:05") != c.Baseline.Time {
+			panic(fmt.Sprintf("baseline changed: %s %s", b.VIN, b.Date))
+		}
+		result, err := tx.ExecContext(ctx, `UPDATE vehicle_daily_mileage_source SET first_total_mileage_km=?,first_event_time=?,daily_mileage_km=?,quality_status=?,quality_reason=?
+  WHERE vin=? AND stat_date=? AND protocol=? AND source_key=?
+  AND first_total_mileage_km <=> ? AND first_event_time <=> ? AND latest_total_mileage_km=?
+  AND latest_event_time=? AND daily_mileage_km=? AND quality_status='OK'`, c.Baseline.Total, c.Baseline.Time, c.Daily, c.Status, c.Reason, b.VIN, b.Date, b.Protocol, b.Source, b.First, b.FirstTime, b.Total, b.LastTime, b.Daily)
+		must(err)
+		n, err := result.RowsAffected()
+		must(err)
+		if n != 1 {
+			panic(fmt.Sprintf("concurrent change: %s %s %s", b.VIN, b.Date, b.Source))
+		}
+		affected[b.Date+"|"+b.VIN+"|"+b.Protocol] = c
+	}
+	keys := make([]string, 0, len(affected))
+	for key := range affected {
+		keys = append(keys, key)
+	}
+	sort.Strings(keys)
+	for _, key := range keys {
+		b := affected[key].Before
+		must(stats.ProjectDailyMileage(ctx, tx, b.VIN, b.Date, envelope.Protocol(b.Protocol)))
+	}
+	must(tx.Commit())
+	must(json.NewEncoder(os.Stdout).Encode(map[string]any{"updatedSources": len(changes), "reprojectedDays": len(keys), "committed": true}))
+}
+func must(err error) {
+	if err != nil {
+		panic(err)
+	}
+}