Server/project/src/services/PaymentService.ts
2023-04-24 13:23:50 +01:00

333 lines
12 KiB
TypeScript

import { inject, injectable } from "tsyringe";
import { HandbookHelper } from "../helpers/HandbookHelper";
import { InventoryHelper } from "../helpers/InventoryHelper";
import { ItemHelper } from "../helpers/ItemHelper";
import { PaymentHelper } from "../helpers/PaymentHelper";
import { TraderHelper } from "../helpers/TraderHelper";
import { IPmcData } from "../models/eft/common/IPmcData";
import { Item } from "../models/eft/common/tables/IItem";
import { IItemEventRouterResponse } from "../models/eft/itemEvent/IItemEventRouterResponse";
import { IProcessBuyTradeRequestData } from "../models/eft/trade/IProcessBuyTradeRequestData";
import { IProcessSellTradeRequestData } from "../models/eft/trade/IProcessSellTradeRequestData";
import { BackendErrorCodes } from "../models/enums/BackendErrorCodes";
import { ILogger } from "../models/spt/utils/ILogger";
import { DatabaseServer } from "../servers/DatabaseServer";
import { HttpResponseUtil } from "../utils/HttpResponseUtil";
import { LocalisationService } from "./LocalisationService";
@injectable()
export class PaymentService
{
constructor(
@inject("WinstonLogger") protected logger: ILogger,
@inject("HttpResponseUtil") protected httpResponse: HttpResponseUtil,
@inject("DatabaseServer") protected databaseServer: DatabaseServer,
@inject("HandbookHelper") protected handbookHelper: HandbookHelper,
@inject("TraderHelper") protected traderHelper: TraderHelper,
@inject("ItemHelper") protected itemHelper: ItemHelper,
@inject("InventoryHelper") protected inventoryHelper: InventoryHelper,
@inject("LocalisationService") protected localisationService: LocalisationService,
@inject("PaymentHelper") protected paymentHelper: PaymentHelper
)
{ }
/**
* Take money and insert items into return to server request
* @param {IPmcData} pmcData Player profile
* @param {IProcessBuyTradeRequestData} request
* @param {string} sessionID
* @returns Object
*/
public payMoney(pmcData: IPmcData, request: IProcessBuyTradeRequestData, sessionID: string, output: IItemEventRouterResponse): IItemEventRouterResponse
{
const trader = this.traderHelper.getTrader(request.tid, sessionID);
let currencyTpl = this.paymentHelper.getCurrency(trader.currency);
// Delete barter items(not money) from inventory
if (request.Action === "TradingConfirm")
{
for (const index in request.scheme_items)
{
const item = pmcData.Inventory.items.find(i => i._id === request.scheme_items[index].id);
if (item !== undefined)
{
if (!this.paymentHelper.isMoneyTpl(item._tpl))
{
output = this.inventoryHelper.removeItem(pmcData, item._id, sessionID, output);
request.scheme_items[index].count = 0;
}
else
{
currencyTpl = item._tpl;
break;
}
}
}
}
// prepare a price for barter
let barterPrice = 0;
barterPrice = request.scheme_items.reduce((accumulator, item) => accumulator + item.count, 0);
// Nothing to do here, since we dont need to pay money.
if (barterPrice === 0)
{
this.logger.success(this.localisationService.getText("payment-zero_price_no_payment"));
return output;
}
output = this.addPaymentToOutput(pmcData, currencyTpl, barterPrice, sessionID, output);
if (output.warnings.length > 0)
{
return output;
}
// set current sale sum
// convert barterPrice itemTpl into RUB then convert RUB into trader currency
const saleSum = pmcData.TradersInfo[request.tid].salesSum += this.handbookHelper.fromRUB(this.handbookHelper.inRUB(barterPrice, currencyTpl), this.paymentHelper.getCurrency(trader.currency));
pmcData.TradersInfo[request.tid].salesSum = saleSum;
this.traderHelper.lvlUp(request.tid, sessionID);
Object.assign(output.profileChanges[sessionID].traderRelations, { [request.tid]: pmcData.TradersInfo[request.tid] });
this.logger.debug("Items taken. Status OK.");
return output;
}
/**
* Receive money back after selling
* @param {IPmcData} pmcData
* @param {number} amount
* @param {IProcessSellTradeRequestData} body
* @param {IItemEventRouterResponse} output
* @param {string} sessionID
* @returns IItemEventRouterResponse
*/
public getMoney(pmcData: IPmcData, amount: number, body: IProcessSellTradeRequestData, output: IItemEventRouterResponse, sessionID: string): IItemEventRouterResponse
{
const trader = this.traderHelper.getTrader(body.tid, sessionID);
const currency = this.paymentHelper.getCurrency(trader.currency);
let calcAmount = this.handbookHelper.fromRUB(this.handbookHelper.inRUB(amount, currency), currency);
const maxStackSize = this.databaseServer.getTables().templates.items[currency]._props.StackMaxSize;
let skip = false;
for (const item of pmcData.Inventory.items)
{
// item is not currency
if (item._tpl !== currency)
{
continue;
}
// item is not in the stash
if (!this.isItemInStash(pmcData, item))
{
continue;
}
if (item.upd.StackObjectsCount < maxStackSize)
{
if (item.upd.StackObjectsCount + calcAmount > maxStackSize)
{
// calculate difference
calcAmount -= maxStackSize - item.upd.StackObjectsCount;
item.upd.StackObjectsCount = maxStackSize;
}
else
{
skip = true;
item.upd.StackObjectsCount = item.upd.StackObjectsCount + calcAmount;
}
output.profileChanges[sessionID].items.change.push(item);
if (skip)
{
break;
}
}
}
if (!skip)
{
const request = {
items: [{
// eslint-disable-next-line @typescript-eslint/naming-convention
item_id: currency,
count: calcAmount
}],
tid: body.tid
};
output = this.inventoryHelper.addItem(pmcData, request, output, sessionID, null, false);
}
// set current sale sum
const saleSum = pmcData.TradersInfo[body.tid].salesSum + amount;
pmcData.TradersInfo[body.tid].salesSum = saleSum;
this.traderHelper.lvlUp(body.tid, sessionID);
Object.assign(output.profileChanges[sessionID].traderRelations, { [body.tid]: { "salesSum": saleSum } });
return output;
}
/**
* Recursively checks if the given item is
* inside the stash, that is it has the stash as
* ancestor with slotId=hideout
*/
protected isItemInStash(pmcData: IPmcData, item: Item): boolean
{
let container = item;
while ("parentId" in container)
{
if (container.parentId === pmcData.Inventory.stash && container.slotId === "hideout")
{
return true;
}
container = pmcData.Inventory.items.find(i => i._id === container.parentId);
if (!container)
{
break;
}
}
return false;
}
/**
* Remove currency from player stash/inventory
* @param pmcData Player profile to find and remove currency from
* @param currencyTpl Type of currency to pay
* @param amountToPay money value to pay
* @param sessionID Session id
* @param output output object to send to client
* @returns IItemEventRouterResponse
*/
public addPaymentToOutput(pmcData: IPmcData, currencyTpl: string, amountToPay: number, sessionID: string, output: IItemEventRouterResponse): IItemEventRouterResponse
{
const moneyItemsInInventory = this.getSortedMoneyItemsInInventory(pmcData, currencyTpl);
const amountAvailable = moneyItemsInInventory.reduce((accumulator, item) => accumulator + item.upd.StackObjectsCount, 0);
// If no money in inventory or amount is not enough we return false
if (moneyItemsInInventory.length <= 0 || amountAvailable < amountToPay)
{
this.logger.error(this.localisationService.getText("payment-not_enough_money_to_complete_transation", {amountToPay: amountToPay, amountAvailable: amountAvailable}));
output = this.httpResponse.appendErrorToOutput(output, this.localisationService.getText("payment-not_enough_money_to_complete_transation_short"), BackendErrorCodes.UNKNOWN_TRADING_ERROR);
return output;
}
let leftToPay = amountToPay;
for (const moneyItem of moneyItemsInInventory)
{
const itemAmount = moneyItem.upd.StackObjectsCount;
if (leftToPay >= itemAmount)
{
leftToPay -= itemAmount;
output = this.inventoryHelper.removeItem(pmcData, moneyItem._id, sessionID, output);
}
else
{
moneyItem.upd.StackObjectsCount -= leftToPay;
leftToPay = 0;
output.profileChanges[sessionID].items.change.push(moneyItem);
}
if (leftToPay === 0)
{
break;
}
}
return output;
}
/**
* Get all money stacks in inventory and prioritse items in stash
* @param pmcData
* @param currencyTpl
* @returns Sorting money items
*/
protected getSortedMoneyItemsInInventory(pmcData: IPmcData, currencyTpl: string): Item[]
{
const moneyItemsInInventory = this.itemHelper.findBarterItems("tpl", pmcData, currencyTpl);
// Prioritise items in stash to top of array
moneyItemsInInventory.sort((a, b) => this.prioritiseStashSort(a, b, pmcData.Inventory.items));
return moneyItemsInInventory;
}
/**
* Prioritise player stash first over player inventory
* Post-raid healing would often take money out of the players pockets/secure container
* @param a First money stack item
* @param b Second money stack item
* @param inventoryItems players inventory items
* @returns sort order
*/
protected prioritiseStashSort(a: Item, b: Item, inventoryItems: Item[]): number
{
// a is stash, prioritise
if (a.slotId === "hideout" && b.slotId !== "hideout")
{
return -1;
}
// b is stash, prioritise
if (a.slotId !== "hideout" && b.slotId === "hideout")
{
return 1;
}
// both in containers
if (a.slotId === "main" && b.slotId === "main")
{
// Item is in inventory, not stash, deprioritise
const aIsInInventory = this.isInInventory(a.parentId, inventoryItems);
const bIsInInventory = this.isInInventory(b.parentId, inventoryItems);
// Lower a as its in inventory, not stash
if (!aIsInInventory && bIsInInventory)
{
return -1;
}
// Raise a as its in stash, not inventory
if (aIsInInventory && !bIsInInventory)
{
return 1;
}
}
// they match
return 0;
}
/**
* Recursivly check items parents to see if it is inside the players inventory, not stash
* @param itemId item id to check
* @param inventoryItems player inventory
* @returns true if its in inventory
*/
protected isInInventory(itemId: string, inventoryItems: Item[]): boolean
{
const itemParent = inventoryItems.find(x => x._id === itemId);
if (itemParent)
{
if (itemParent._id === "5fe49a0e2694b0755a50476c") // Default inventory tpl
{
return true;
}
return this.isInInventory(itemParent.parentId, inventoryItems);
}
return false;
}
}