1 files changed, 101 insertions, 0 deletions
diff --git a/src/eu/equalparts/cardbase/data/CardbaseManager.java b/src/eu/equalparts/cardbase/data/CardbaseManager.java
new file mode 100644
index 0000000..cf18390
--- /dev/null
+++ b/src/eu/equalparts/cardbase/data/CardbaseManager.java
@@ -0,0 +1,101 @@
+package eu.equalparts.cardbase.data;
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Iterator;
+
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+
+import eu.equalparts.cardbase.query.IO;
+
+public class CardbaseManager {
+	
+	private ArrayList<MetaCardSet> metaSets;
+	public Cardbase cardBase;
+
+	/**
+	 * Parse a cardbase file and create an associated CardBase object.
+	 * @throws IOException 
+	 * @throws JsonMappingException 
+	 * @throws JsonParseException 
+	 */
+	public CardbaseManager(File cardBaseFile) throws JsonParseException, JsonMappingException, IOException {
+		metaSets = IO.getAllMetaSets();
+		cardBase = IO.readCardBase(cardBaseFile);
+	}
+
+	/**
+	 * Create an empty CardBase.
+	 * @throws IOException 
+	 * @throws JsonMappingException 
+	 * @throws JsonParseException 
+	 */
+	public CardbaseManager() throws JsonParseException, JsonMappingException, IOException {
+		metaSets = IO.getAllMetaSets();
+		cardBase = new Cardbase();
+	}
+	
+	public ArrayList<MetaCardSet> getAllMetaSets() {
+		return metaSets;
+	}
+	
+	/**
+	 * Add a specific amount of a card to the cardbase.
+	 * If the card is not already in the cardbase, it is added.
+	 * If it is already present, the count is simply updated.
+	 * 
+	 * 
+	 * @param newCard
+	 * @param count
+	 */
+	public void addCard(Card newCard, Integer count) {
+		Card card = cardBase.getCardByNumber(newCard.setCode, newCard.number);
+		if (card != null) {
+			card.count += count;
+		} else {
+			newCard.count = count;
+			cardBase.cards.add(newCard);
+		}
+	}
+
+	/**
+	 * Remove a specific amount of a card from the cardbase.
+	 * If the card is not present in the cardbase, nothing happens.
+	 * If the card is present in the card, the specified amount is removed.
+	 * If that amount is equal to or exceeds the count already in the cardbase,
+	 * the card entry is removed altogether. 
+	 * 
+	 * @param remove
+	 * @param count
+	 */
+	public void removeCard(Card remove, Integer count) {
+		Card card = cardBase.getCardByNumber(remove.setCode, remove.number);
+		if (card != null) {
+			if (card.count <= count) {
+				cardBase.cards.remove(card);
+			} else {
+				card.count -= count;
+			}
+		}
+	}
+	
+	/**
+	 * @return an iterator to the cards in the cardbase.
+	 */
+	public Iterator<Card> cardIterator() {
+		return cardBase.cards.iterator();
+	}
+
+	/**
+	 * Return a card from the cardBase by setCode and number.
+	 * If no such card is in the cardbase, return null.
+	 * 
+	 * @param code
+	 * @param string
+	 * @return
+	 */
+	public Card getCard(String code, String number) {
+		return cardBase.getCardByNumber(code, number);
+	}
+}