fixed bug in dbgatway where id -1 was getting added to database

Author: lucasprates74

src/data/Users.csv

@@ -1,3 +1,4 @@
-username,password,isAdmin,flashcardSetsIds
-testUser,password,false,0,1
-jempio,ilovejempio,false,
+username,password,isAdmin,flashcardSetIds
+jempio,ilovejempio,false
+ducas,badpassword,false
+testUser,password,false,0,1,2

src/main/java/dataAccess/DBGateway.java

@@ -71,8 +71,9 @@ public void saveUser(CommonUserDsRequestModel user) {
 
 
     public int saveFlashcardSet(FlashcardSetDsRequestModel flashcardSet) {
+        int id = this.flashcardSetGateway.saveFlashcardSet(flashcardSet);
         this.userGateway.saveFlashcardSetID(flashcardSet.getOwnerUsername(), flashcardSet.getFlashcardSetId());
-        return this.flashcardSetGateway.saveFlashcardSet(flashcardSet);
+        return id;
     }
 
     public void deleteFlashcardSet(String ownerUsername, int flashcardSetID) {
@@ -81,8 +82,9 @@ public void deleteFlashcardSet(String ownerUsername, int flashcardSetID) {
     }
 
     public int saveFlashcard(FlashcardDsRequestModel flashcard) {
+        int id = this.flashcardGateway.saveFlashcard(flashcard);
         this.flashcardSetGateway.saveFlashcardID(flashcard.getBelongsToId(), flashcard.getFlashcardId());
-        return this.flashcardGateway.saveFlashcard(flashcard);
+        return id;
     }
 
     public void deleteFlashcard(int flashcardSetId, int flashcardId) {