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nvm that esitmated via part

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pigwin
2025-01-11 19:51:41 +00:00
parent bed666bd81
commit fd43b3e4bb
2 changed files with 32 additions and 72 deletions
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96
database/EstimatedVehicleJourney.go
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@@ -1,79 +1,41 @@
package database
import (
"context"
"crypto/md5"
"database/sql"
"encoding/hex"
"fmt"
"ti1/valki"
"github.com/valkey-io/valkey-go"
)
func InsertOrUpdateEstimatedVehicleJourney(ctx context.Context, db *sql.DB, values []interface{}, valkeyClient valkey.Client) (int, string, error) {
// Generate a key using lineref, directionref, datasource, and datedvehiclejourneyref
lineref := values[2]
directionref := values[3]
datasource := values[4]
datedvehiclejourneyref := values[5]
key := fmt.Sprintf("%v.%v.%v.%v", lineref, directionref, datasource, datedvehiclejourneyref)
func InsertOrUpdateEstimatedVehicleJourney(db *sql.DB, values []interface{}) (int, string, error) {
query := `
INSERT INTO estimatedvehiclejourney (servicedelivery, recordedattime, lineref, directionref, datasource, datedvehiclejourneyref, vehiclemode, dataframeref, originref, destinationref, operatorref, vehicleref, cancellation, other, firstservicedelivery)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $1)
ON CONFLICT (lineref, directionref, datasource, datedvehiclejourneyref)
DO UPDATE SET
servicedelivery = EXCLUDED.servicedelivery,
recordedattime = EXCLUDED.recordedattime,
vehiclemode = COALESCE(EXCLUDED.vehiclemode, estimatedvehiclejourney.vehiclemode),
dataframeref = COALESCE(EXCLUDED.dataframeref, estimatedvehiclejourney.dataframeref),
originref = COALESCE(EXCLUDED.originref, estimatedvehiclejourney.originref),
destinationref = COALESCE(EXCLUDED.destinationref, estimatedvehiclejourney.destinationref),
operatorref = COALESCE(EXCLUDED.operatorref, estimatedvehiclejourney.operatorref),
vehicleref = COALESCE(EXCLUDED.vehicleref, estimatedvehiclejourney.vehicleref),
cancellation = COALESCE(EXCLUDED.cancellation, estimatedvehiclejourney.cancellation),
other = COALESCE(EXCLUDED.other, estimatedvehiclejourney.other)
RETURNING CASE WHEN xmax = 0 THEN 'insert' ELSE 'update' END, id;
`
// Convert values to a single string and hash it using MD5
var valuesString string
for _, v := range values {
if v != nil {
valuesString += fmt.Sprintf("%v", v)
}
}
hash := md5.Sum([]byte(valuesString))
hashString := hex.EncodeToString(hash[:])
// Get the MD5 hash from Valkey
retrievedHash, err := valki.GetValkeyValue(ctx, valkeyClient, key)
stmt, err := db.Prepare(query)
if err != nil {
return 0, "", fmt.Errorf("failed to get value from Valkey: %v", err)
return 0, "", fmt.Errorf("error preparing statement: %v", err)
}
defer stmt.Close()
var action string
var id int
err = stmt.QueryRow(values...).Scan(&action, &id)
if err != nil {
return 0, "", fmt.Errorf("error executing statement: %v", err)
}
// Check if the retrieved value matches the original MD5 hash
if retrievedHash != hashString {
query := `
INSERT INTO estimatedvehiclejourney (servicedelivery, recordedattime, lineref, directionref, datasource, datedvehiclejourneyref, vehiclemode, dataframeref, originref, destinationref, operatorref, vehicleref, cancellation, other, firstservicedelivery)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $1)
ON CONFLICT (lineref, directionref, datasource, datedvehiclejourneyref)
DO UPDATE SET
servicedelivery = EXCLUDED.servicedelivery,
recordedattime = EXCLUDED.recordedattime,
vehiclemode = COALESCE(EXCLUDED.vehiclemode, estimatedvehiclejourney.vehiclemode),
dataframeref = COALESCE(EXCLUDED.dataframeref, estimatedvehiclejourney.dataframeref),
originref = COALESCE(EXCLUDED.originref, estimatedvehiclejourney.originref),
destinationref = COALESCE(EXCLUDED.destinationref, estimatedvehiclejourney.destinationref),
operatorref = COALESCE(EXCLUDED.operatorref, estimatedvehiclejourney.operatorref),
vehicleref = COALESCE(EXCLUDED.vehicleref, estimatedvehiclejourney.vehicleref),
cancellation = COALESCE(EXCLUDED.cancellation, estimatedvehiclejourney.cancellation),
other = COALESCE(EXCLUDED.other, estimatedvehiclejourney.other)
RETURNING CASE WHEN xmax = 0 THEN 'insert' ELSE 'update' END, id;
`
stmt, err := db.Prepare(query)
if err != nil {
return 0, "", fmt.Errorf("error preparing statement: %v", err)
}
defer stmt.Close()
err = valki.SetValkeyValue(ctx, valkeyClient, key, hashString)
if err != nil {
return 0, "", fmt.Errorf("failed to set value in Valkey: %v", err)
}
var action string
var id int
err = stmt.QueryRow(values...).Scan(&action, &id)
if err != nil {
return 0, "", fmt.Errorf("error executing statement: %v", err)
}
return id, action, nil
} else {
return 0, "none", nil
}
return id, action, nil
}