initial commit

Core/Service/Vendoring/Buyback.lua

@@ -0,0 +1,74 @@
+-- ------------------------------------------------------------------------------ --
+--                                TradeSkillMaster                                --
+--                          https://tradeskillmaster.com                          --
+--    All Rights Reserved - Detailed license information included with addon.     --
+-- ------------------------------------------------------------------------------ --
+
+local _, TSM = ...
+local Buyback = TSM.Vendoring:NewPackage("Buyback")
+local Database = TSM.Include("Util.Database")
+local Delay = TSM.Include("Util.Delay")
+local Event = TSM.Include("Util.Event")
+local ItemString = TSM.Include("Util.ItemString")
+local ItemInfo = TSM.Include("Service.ItemInfo")
+local private = {
+	buybackDB = nil,
+}
+
+
+
+-- ============================================================================
+-- Module Functions
+-- ============================================================================
+
+function Buyback.OnInitialize()
+	private.buybackDB = Database.NewSchema("BUYBACK")
+		:AddUniqueNumberField("index")
+		:AddStringField("itemString")
+		:AddNumberField("price")
+		:AddNumberField("quantity")
+		:Commit()
+	Event.Register("MERCHANT_SHOW", private.MerchantShowEventHandler)
+	Event.Register("MERCHANT_CLOSED", private.MerchantClosedEventHandler)
+	Event.Register("MERCHANT_UPDATE", private.MerchantUpdateEventHandler)
+end
+
+function Buyback.CreateQuery()
+	return private.buybackDB:NewQuery()
+		:InnerJoin(ItemInfo.GetDBForJoin(), "itemString")
+end
+
+function Buyback.BuybackItem(index)
+	BuybackItem(index)
+end
+
+
+
+-- ============================================================================
+-- Private Helper Functions
+-- ============================================================================
+
+function private.MerchantShowEventHandler()
+	Delay.AfterFrame("UPDATE_BUYBACK_DB", 1, private.UpdateBuybackDB)
+end
+
+function private.MerchantClosedEventHandler()
+	Delay.Cancel("UPDATE_BUYBACK_DB")
+	private.buybackDB:Truncate()
+end
+
+function private.MerchantUpdateEventHandler()
+	Delay.AfterFrame("UPDATE_BUYBACK_DB", 1, private.UpdateBuybackDB)
+end
+
+function private.UpdateBuybackDB()
+	private.buybackDB:TruncateAndBulkInsertStart()
+	for i = 1, GetNumBuybackItems() do
+		local itemString = ItemString.Get(GetBuybackItemLink(i))
+		if itemString then
+			local _, _, price, quantity = GetBuybackItemInfo(i)
+			private.buybackDB:BulkInsertNewRow(i, itemString, price, quantity)
+		end
+	end
+	private.buybackDB:BulkInsertEnd()
+end