I hate my code, but buy/sell is done

scripts/Base/Menu/buy_sell.gd

@@ -45,6 +45,7 @@ func get_buy_sell_list(buy: bool) -> String:
 		total += item_description(buy, item) + "\n"
 	return total
 
+## Returns amount of items in buy/sell list
 func get_buy_sell_len(buy: bool) -> int:
 	var list = items_on_buy if buy else items_on_sell
 	return len(list)

scripts/Base/Menu/buy_sell_button.gd

@@ -0,0 +1,41 @@
+extends MessageSenderAction
+
+## How many items will be bought/sold
+var amount: int
+## How much money will be received/spent
+var total_cost: float
+## Item name which will be added to cargo
+var item_name: String
+
+var buy: bool
+
+@onready var player_ship: PlayerShip = get_tree().current_scene.player_ship
+
+func _ready():
+	amount = format["amount"]
+	total_cost = format["total_cost"]
+	item_name = format["item_name"]
+	buy = format["buy"]
+	if amount < 1:
+		disabled = true
+	elif !buy and player_ship.money < total_cost:
+		disabled = true
+	elif buy and item_name in player_ship.cargo:
+		if player_ship.cargo[item_name] < amount:
+			disabled = true
+	elif buy and !(item_name in player_ship.cargo):
+		disabled = true
+	super._ready()
+
+func action():
+	get_parent().buy_sell_amount = amount
+	if !buy and player_ship.money >= total_cost:
+		player_ship.money -= total_cost
+		if item_name in player_ship.cargo:
+			player_ship.cargo[item_name] += amount
+		else:
+			player_ship.cargo[item_name] = amount
+	elif buy and player_ship.cargo[item_name] >= amount:
+			player_ship.cargo[item_name] -= amount
+			player_ship.money += total_cost
+	super.action()

scripts/Base/Menu/close_button.gd

@@ -0,0 +1,7 @@
+extends Button
+
+@onready var menu = $"../../.."
+
+func _on_button_up():
+	menu.base.dock_leave()
+	menu.queue_free()

scripts/Base/Menu/dialogue.gd

@@ -4,6 +4,10 @@ extends NinePatchRect
 const BUY_FETCH = "BASE_FETCH_BUY"
 ## This message will trigger buy/sell node to fetch sell prices
 const SELL_FETCH = "BASE_FETCH_SELL"
+## This message will trigger dialogue to get selected item data
+const BUY_ITEM = "BASE_BUY_ITEM"
+## This message will trigger dialogue to get selected item data
+const SELL_ITEM = "BASE_SELL_ITEM"
 
 @onready var dialogue = $DialogueView
 @onready var buy_sell = $"../../BuySell"
@@ -24,7 +28,18 @@ func send_message(msg: Message):
 			format["buy_list"] = buy_sell.get_buy_sell_list(true)
 			actions_menu.buy = true
 			actions_menu.buy_sell_options = buy_sell.get_buy_sell_len(true)
-	
+		BUY_ITEM:
+			var list = buy_sell.items_on_sell
+			var id = actions_menu.buy_sell_selected_item
+			var item_name = list[id].name
+			format["amount"] = actions_menu.buy_sell_amount
+			format["item_name"] = item_name
+		SELL_ITEM:
+			var list = buy_sell.items_on_buy
+			var id = actions_menu.buy_sell_selected_item
+			var item_name = list[id].name
+			format["amount"] = actions_menu.buy_sell_amount
+			format["item_name"] = item_name
 	var new_msg = tr(msg.fact + "_RECEIVED").format(format)
 	var old_len = len(dialogue.get_parsed_text())
 	dialogue.append_text(new_msg)

scripts/Base/Menu/set_buy_sell_selected_item.gd

@@ -0,0 +1,7 @@
+extends MenuAction
+
+@onready var menu = get_parent()
+
+func action():
+	menu.buy_sell_selected_item = id - 1 + menu.buy_sell_tab * 6
+	get_parent().transit_menu(id)