TheMathemagicians/sevenkeys/database/operations/inserts.go

package operations

import (
	"database/sql"
)

func InsertCardStorageLocation(db *sql.DB, cardPrintingId string, isFoil bool, storageBox string, source string) error {
	var lastPosition int
	getLastPositionQuery := `SELECT Position FROM CardStorageLocation WHERE StorageBox = ? ORDER BY Position DESC LIMIT 1;`
	err := db.QueryRow(getLastPositionQuery, storageBox).Scan(&lastPosition)

	var nextPosition int
	if err == sql.ErrNoRows {
		nextPosition = 1
	} else {
		nextPosition = lastPosition + 1
	}

	insertQuery := `INSERT INTO CardStorageLocation
		(CardPrintingId, IsFoil, StorageBox, Source, Position)
		VALUES (?, ?, ?, ?, ?);`
	insert, err := db.Prepare(insertQuery)
	if err != nil {
		return err
	}

	_, err = insert.Exec(cardPrintingId, isFoil, storageBox, source, nextPosition)
	if err != nil {
		return err
	}

	return nil
}