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feat(platform): paginate realtime locations

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lingniu
2026-07-03 22:15:16 +08:00
parent c34996dcfb
commit ea96b6909a
4 changed files with 99 additions and 24 deletions
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28
vehicle-data-platform/apps/api/internal/platform/mysql_queries.go
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@@ -104,6 +104,34 @@ func buildVehicleCoverageSQL(query url.Values) SQLQuery {
}
}
func buildRealtimeLocationSQL(query url.Values) SQLQuery {
limit := parsePositive(query.Get("limit"), 20)
offset := parsePositive(query.Get("offset"), 0)
args := []any{}
where := []string{"1 = 1"}
if protocol := strings.TrimSpace(query.Get("protocol")); protocol != "" {
where = append(where, "l.protocol = ?")
args = append(args, protocol)
}
if vin := strings.TrimSpace(query.Get("vin")); vin != "" {
where = append(where, "(l.vin LIKE ? OR l.plate LIKE ? OR b.plate LIKE ?)")
like := "%" + vin + "%"
args = append(args, like, like, like)
}
countArgs := append([]any(nil), args...)
args = append(args, limit, offset)
fromSQL := `FROM vehicle_realtime_location l LEFT JOIN vehicle_identity_binding b ON b.vin = l.vin WHERE ` + strings.Join(where, " AND ")
return SQLQuery{
Text: `SELECT l.vin, COALESCE(NULLIF(l.plate, ''), b.plate, '') AS plate, l.protocol, l.longitude, l.latitude, ` +
`COALESCE(l.speed_kmh, 0), COALESCE(l.soc_percent, 0), COALESCE(l.total_mileage_km, 0), ` +
`COALESCE(DATE_FORMAT(l.updated_at, '%Y-%m-%d %H:%i:%s'), '') ` +
fromSQL + ` ORDER BY l.updated_at DESC, l.vin ASC, l.protocol ASC LIMIT ? OFFSET ?`,
Args: args,
CountText: `SELECT COUNT(*) ` + fromSQL,
CountArgs: countArgs,
}
}
func buildDailyMileageSQL(query url.Values) SQLQuery {
limit := parsePositive(query.Get("limit"), 20)
offset := parsePositive(query.Get("offset"), 0)