improve: purchases (#161)

Co-authored-by: Sainan <Sainan@users.noreply.github.com>

src/controllers/api/inventorySlotsController.ts

@@ -27,7 +27,7 @@ export const inventorySlotsController: RequestHandler = async (req, res) => {
 
     //TODO: check which slot was purchased because pvpBonus is also possible
 
-    const currencyChanges = await updateCurrency(-20, true, accountId);
+    const currencyChanges = await updateCurrency(20, true, accountId);
     await updateSlots(accountId, SlotNameToInventoryName.LOADOUT, 1, 1);
 
     //console.log({ InventoryChanges: currencyChanges }, " added loadout changes:");

src/services/inventoryService.ts

@@ -93,15 +93,19 @@ export const updateSlots = async (accountId: string, slotName: SlotNames, slotAm
 };
 
 export const updateCurrency = async (price: number, usePremium: boolean, accountId: string) => {
+    if (config.infiniteResources) {
+        return {};
+    }
+
     const inventory = await getInventory(accountId);
 
     if (usePremium) {
         if (inventory.PremiumCreditsFree > 0) {
-            inventory.PremiumCreditsFree += price;
+            inventory.PremiumCreditsFree -= Math.min(price, inventory.PremiumCreditsFree);
         }
-        inventory.PremiumCredits += price;
+        inventory.PremiumCredits -= price;
     } else {
-        inventory.RegularCredits += price;
+        inventory.RegularCredits -= price;
     }
 
     const modifiedPaths = inventory.modifiedPaths();

src/services/purchaseService.ts

@@ -5,12 +5,15 @@ import {
     addBooster,
     addCustomization,
     addMechSuit,
+    addMiscItems,
     addPowerSuit,
     addSentinel,
     addWeapon,
+    getInventory,
     updateCurrency,
     updateSlots
 } from "@/src/services/inventoryService";
+import { IMiscItem } from "@/src/types/inventoryTypes/inventoryTypes";
 import { IPurchaseRequest, IPurchaseResponse, SlotNameToInventoryName, SlotPurchase } from "@/src/types/purchaseTypes";
 import { logger } from "@/src/utils/logger";
 
@@ -44,11 +47,18 @@ export const handlePurchase = async (purchaseRequest: IPurchaseRequest, accountI
             inventoryChanges = await handleWeaponsPurchase(internalName, accountId);
             break;
         case "Types":
-            inventoryChanges = await handleTypesPurchase(internalName, accountId);
+            inventoryChanges = await handleTypesPurchase(
+                internalName,
+                accountId,
+                purchaseRequest.PurchaseParams.Quantity
+            );
             break;
         case "Boosters":
             inventoryChanges = await handleBoostersPurchase(internalName, accountId);
             break;
+        case "Interface":
+            inventoryChanges = await handleCustomizationPurchase(internalName, accountId);
+            break;
         default:
             const errorMessage = `unknown store category: ${storeCategory} not implemented or new`;
             logger.error(errorMessage);
@@ -163,18 +173,21 @@ const handlePowersuitPurchase = async (powersuitName: string, accountId: string)
 };
 
 //TODO: change to getInventory, apply changes then save at the end
-const handleTypesPurchase = async (typesName: string, accountId: string) => {
+const handleTypesPurchase = async (typesName: string, accountId: string, quantity: number) => {
     const typeCategory = getStoreItemTypesCategory(typesName);
     logger.debug(`type category ${typeCategory}`);
     switch (typeCategory) {
+        case "AvatarImages":
         case "SuitCustomizations":
-            return await handleSuitCustomizationsPurchase(typesName, accountId);
+            return await handleCustomizationPurchase(typesName, accountId);
         // case "Recipes":
         //     break;
         case "Sentinels":
             return await handleSentinelPurchase(typesName, accountId);
         case "SlotItems":
             return await handleSlotPurchase(typesName, accountId);
+        case "Items":
+            return await handleMiscItemPurchase(typesName, accountId, quantity);
         default:
             throw new Error(`unknown Types category: ${typeCategory} not implemented or new`);
     }
@@ -193,7 +206,7 @@ const handleSentinelPurchase = async (sentinelName: string, accountId: string) =
     };
 };
 
-const handleSuitCustomizationsPurchase = async (customizationName: string, accountId: string) => {
+const handleCustomizationPurchase = async (customizationName: string, accountId: string) => {
     const customization = await addCustomization(customizationName, accountId);
 
     return {
@@ -228,3 +241,20 @@ const handleBoostersPurchase = async (boosterStoreName: string, accountId: strin
         }
     };
 };
+
+const handleMiscItemPurchase = async (uniqueName: string, accountId: string, quantity: number) => {
+    const inventory = await getInventory(accountId);
+    const miscItemChanges = [
+        {
+            ItemType: uniqueName,
+            ItemCount: quantity
+        } satisfies IMiscItem
+    ];
+    addMiscItems(inventory, miscItemChanges);
+    await inventory.save();
+    return {
+        InventoryChanges: {
+            MiscItems: miscItemChanges
+        }
+    };
+};