all items can be partially purchased (non bid ones with a stack size greater than 1 by default), players can provide -e or -entirestack to the sell command to negate that

Took 10 minutes

src/main/java/ca/tweetzy/auctionhouse/AuctionHouse.java

@@ -185,7 +185,8 @@ public class AuctionHouse extends TweetyPlugin {
 				new _10_InfiniteItemsMigration(),
 				new _11_AdminLogMigration(),
 				new _12_SerializeFormatDropMigration(),
-				new _13_MinItemPriceMigration()
+				new _13_MinItemPriceMigration(),
+				new _14_PartialQtyBuyMigration()
 		);
 
 		dataMigrationManager.runMigrations();

src/main/java/ca/tweetzy/auctionhouse/api/AuctionAPI.java

@@ -622,7 +622,7 @@ public class AuctionAPI {
 	}
 
 	public void listAuction(Player seller, ItemStack original, ItemStack item, int seconds, double basePrice, double bidStartPrice, double bidIncPrice, double currentPrice, boolean isBiddingItem, boolean isUsingBundle, boolean requiresHandRemove) {
-		listAuction(seller, original, item, seconds, basePrice, bidStartPrice, bidIncPrice, currentPrice, isBiddingItem, isUsingBundle, requiresHandRemove, false);
+		listAuction(seller, original, item, seconds, basePrice, bidStartPrice, bidIncPrice, currentPrice, isBiddingItem, isUsingBundle, requiresHandRemove, false, true);
 	}
 
 	/**
@@ -639,7 +639,7 @@ public class AuctionAPI {
 	 * @param isBiddingItem States whether the item is an auction or bin item
 	 * @param isUsingBundle States whether the item is a bundled item
 	 */
-	public void listAuction(Player seller, ItemStack original, ItemStack item, int seconds, double basePrice, double bidStartPrice, double bidIncPrice, double currentPrice, boolean isBiddingItem, boolean isUsingBundle, boolean requiresHandRemove, boolean isInfinite) {
+	public void listAuction(Player seller, ItemStack original, ItemStack item, int seconds, double basePrice, double bidStartPrice, double bidIncPrice, double currentPrice, boolean isBiddingItem, boolean isUsingBundle, boolean requiresHandRemove, boolean isInfinite, boolean allowPartialBuy) {
 		if (McMMOHook.isUsingAbility(seller)) {
 			AuctionHouse.getInstance().getLocale().getMessage("general.mcmmo_ability_active").sendPrefixedMessage(seller);
 			return;
@@ -679,6 +679,7 @@ public class AuctionAPI {
 
 		auctionedItem.setListedWorld(seller.getWorld().getName());
 		auctionedItem.setInfinite(isInfinite);
+		auctionedItem.setAllowPartialBuy(allowPartialBuy);
 
 		if (Settings.TAX_ENABLED.getBoolean() && Settings.TAX_CHARGE_LISTING_FEE.getBoolean()) {
 			if (!EconomyManager.hasBalance(seller, calculateListingFee(basePrice))) {

src/main/java/ca/tweetzy/auctionhouse/auction/AuctionedItem.java

@@ -52,6 +52,7 @@ public class AuctionedItem {
 
 	private String listedWorld = null;
 	private boolean infinite = false;
+	private boolean allowPartialBuy = false;
 
 	public AuctionedItem() {
 	}

src/main/java/ca/tweetzy/auctionhouse/commands/CommandSell.java

@@ -141,7 +141,7 @@ public final class CommandSell extends AbstractCommand {
 		boolean isBundle = false;
 		boolean isInfinite = false;
 		boolean isStackPrice = false;
-
+		boolean noPartialBuy = false;
 
 		for (int i = 0; i < args.length; i++) {
 			if (NumberUtils.isDouble(args[i])) {
@@ -156,6 +156,9 @@ public final class CommandSell extends AbstractCommand {
 			if (args[i].equalsIgnoreCase("-b") || args[i].equalsIgnoreCase("-bundle"))
 				isBundle = true;
 
+			if (args[i].equalsIgnoreCase("-e") || args[i].equalsIgnoreCase("-entirestack"))
+				noPartialBuy = true;
+
 			if (player.hasPermission("auctionhouse.cmdflag.stack") && args[i].equalsIgnoreCase("-s") || args[i].equalsIgnoreCase("-stack"))
 				isStackPrice = true;
 
@@ -298,7 +301,8 @@ public final class CommandSell extends AbstractCommand {
 					isBiddingItem || !buyNowAllow,
 					isBundle,
 					true,
-					isInfinite
+					isInfinite,
+					!noPartialBuy
 			);
 		}
 

src/main/java/ca/tweetzy/auctionhouse/database/DataManager.java

@@ -295,7 +295,7 @@ public class DataManager extends DataManagerAbstract {
 
 	public void insertAuction(AuctionedItem item, Callback<AuctionedItem> callback) {
 		this.databaseConnector.connect(connection -> {
-			try (PreparedStatement statement = connection.prepareStatement("INSERT INTO " + this.getTablePrefix() + "auctions(id, owner, highest_bidder, owner_name, highest_bidder_name, category, base_price, bid_start_price, bid_increment_price, current_price, expired, expires_at, item_material, item_name, item_lore, item_enchants, item, listed_world, infinite) VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)")) {
+			try (PreparedStatement statement = connection.prepareStatement("INSERT INTO " + this.getTablePrefix() + "auctions(id, owner, highest_bidder, owner_name, highest_bidder_name, category, base_price, bid_start_price, bid_increment_price, current_price, expired, expires_at, item_material, item_name, item_lore, item_enchants, item, listed_world, infinite, allow_partial_buys) VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)")) {
 				PreparedStatement fetch = connection.prepareStatement("SELECT * FROM " + this.getTablePrefix() + "auctions WHERE id = ?");
 
 				fetch.setString(1, item.getId().toString());
@@ -318,6 +318,7 @@ public class DataManager extends DataManagerAbstract {
 				statement.setString(17, AuctionAPI.encodeItem(item.getItem()));
 				statement.setString(18, item.getListedWorld());
 				statement.setBoolean(19, item.isInfinite());
+				statement.setBoolean(20, item.isAllowPartialBuy());
 				statement.executeUpdate();
 
 				if (callback != null) {
@@ -548,6 +549,7 @@ public class DataManager extends DataManagerAbstract {
 
 		auctionItem.setListedWorld(resultSet.getString("listed_world"));
 		auctionItem.setInfinite(hasColumn(resultSet, "infinite") && resultSet.getBoolean("infinite"));
+		auctionItem.setAllowPartialBuy(hasColumn(resultSet, "allow_partial_buys") && resultSet.getBoolean("allow_partial_buys"));
 		return auctionItem;
 	}
 

src/main/java/ca/tweetzy/auctionhouse/database/migrations/_14_PartialQtyBuyMigration.java

@@ -0,0 +1,28 @@
+package ca.tweetzy.auctionhouse.database.migrations;
+
+import ca.tweetzy.core.database.DataMigration;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.sql.Statement;
+
+/**
+ * The current file has been created by Kiran Hart
+ * Date Created: August 12 2021
+ * Time Created: 11:58 a.m.
+ * Usage of any code found within this class is prohibited unless given explicit permission otherwise
+ */
+public class _14_PartialQtyBuyMigration extends DataMigration {
+
+	public _14_PartialQtyBuyMigration() {
+		super(14);
+	}
+
+	@Override
+	public void migrate(Connection connection, String tablePrefix) throws SQLException {
+		try (Statement statement = connection.createStatement()) {
+			statement.execute("ALTER TABLE " + tablePrefix + "auctions ADD allow_partial_buys BOOLEAN NULL");
+
+		}
+	}
+}

src/main/java/ca/tweetzy/auctionhouse/guis/GUIAuctionHouse.java

@@ -370,6 +370,11 @@ public class GUIAuctionHouse extends AbstractPlaceholderGui {
 					}
 
 					if (e.clickType == ClickType.valueOf(Settings.CLICKS_NON_BID_ITEM_QTY_PURCHASE.getString().toUpperCase())) {
+						if (!auctionItem.isAllowPartialBuy()) {
+							AuctionHouse.getInstance().getLocale().getMessage("general.qtybuydisabled").processPlaceholder("item_owner", auctionItem.getOwnerName()).sendPrefixedMessage(e.player);
+							return;
+						}
+
 						handleNonBidItem(auctionItem, e, true);
 						return;
 					}

src/main/java/ca/tweetzy/auctionhouse/guis/confirmation/GUIConfirmListing.java

@@ -79,7 +79,8 @@ public class GUIConfirmListing extends AbstractPlaceholderGui {
 					this.isBiddingItem,
 					this.isBundle,
 					this.requiresHandRemove,
-					this.isInfinite
+					this.isInfinite,
+					!this.isBiddingItem
 			);
 			e.gui.close();
 		});

src/main/java/ca/tweetzy/auctionhouse/settings/LocaleSettings.java

@@ -64,6 +64,7 @@ public class LocaleSettings {
 		languageNodes.put("general.transaction delete begin", "&cBeginning transaction deletion, this may take some time.");
 		languageNodes.put("general.min price already added", "&cThere is already a minimum price set, please delete the existing one first.");
 		languageNodes.put("general.added min price", "&aSuccessfully set minimum price for %item% &ato &2$%price%");
+		languageNodes.put("general.qtybuydisabled", "&4%item_owner%&c is only accepting purchases of the entire stack.");
 
 
 		languageNodes.put("pricing.minbaseprice", "&cThe minimum base price must be &a$%price%");