Fix Delverlens import flow

sevenkeys/database/storagearea.go

@@ -6,6 +6,7 @@ import (
 )
 
 var ErrStorageAreaDoesNotExist error = errors.New("Storage area does not exist.")
+var ErrNoEmptySlotsInBinder error = errors.New("No empty slots in binder.")
 
 var StorageAreaTypeBinder string = "Binder"
 var StorageAreaTypeBox string = "Box"
@@ -75,7 +76,7 @@ func GetNextEmptySlotInBinder(db *sql.DB, storageAreaId int) (int, error) {
 	var emptySlotId int
 	err := db.QueryRow(query, storageAreaId).Scan(&emptySlotId)
 	if err == sql.ErrNoRows {
-		return -1, nil
+		return -1, ErrNoEmptySlotsInBinder
 	} else if err != nil {
 		return 0, err
 	}

sevenkeys/logic/import.go

@@ -10,9 +10,9 @@ func ImportDelverLensCards(db *sql.DB, cards []delverlens.DelverLensCard, storag
 	for _, card := range cards {
 		var cardPrintingId string
 		if card.IsFoil {
-			cardPrintingId = card.ScryfallID + "n"
-		} else {
 			cardPrintingId = card.ScryfallID + "f"
+		} else {
+			cardPrintingId = card.ScryfallID + "n"
 		}
 
 		cardLocation := database.CardLocation{

sevenkeys/logic/storage.go

@@ -94,7 +94,7 @@ func StoreCard(db *sql.DB, cardLocation database.CardLocation) error {
 	if storageAreaType == database.StorageAreaTypeBinder {
 		nextEmptySlotId, err := database.GetNextEmptySlotInBinder(db, cardLocation.StorageAreaId)
 
-		if err == sql.ErrNoRows {
+		if err == database.ErrNoEmptySlotsInBinder {
 			err = storeAfterLastCard(db, cardLocation)
 			if err != nil {
 				return err