Add CardStrorageLocation database operations

sevenkeys/database/cardstoragelocation.go

@@ -0,0 +1,42 @@
+package database
+
+import "database/sql"
+
+type CardStorageLocation struct {
+	Id             int
+	CardPrintingId int
+	StorageBox     string
+	Position       int
+	Source         string
+}
+
+func GetLastPositionInBox(db *sql.DB, storageBox string) (int, error) {
+	query := "SELECT Position FROM CardStorageLocation WHERE StorageBox = ? ORDER BY Position DESC LIMIT 1"
+
+	var lastPosition int
+	err := db.QueryRow(query, storagebox).Scan(&lastPosition)
+
+	if err == sql.ErrNoRows {
+		return 0, nil
+	} else {
+		return 0, err
+	}
+
+	return lastPosition, nil
+}
+
+func InsertCardStorageLocation(db *sql.DB, location CardStorageLocation) error {
+	query := `INSERT INTO CardStorageLocation
+		(CardPrintingId, StorageBox, Position, Source)
+		VALUES (?, ?, ?, ?);`
+
+	insert, err := db.Prepare(query)
+	if err != nil {
+		return err
+	}
+
+	_, err := insert.Exec(location.CardPrintingId, location.StorageBox, location.Position, location.Source)
+	if err != nil {
+		return err
+	}
+}