Item Purchase API

// This function MUST be on your secure server.
public IEnumerator PurchaseItem(string playerEmail, string itemName, string itemId, int quantity, float price, Action<string> onSuccess, Action<string> onError)
{
    string url = "https://invo.network/api/item-purchases/purchase-item";
    
    var requestData = new {
        client_request_id = System.Guid.NewGuid().ToString(), // Generate a unique ID for each attempt
        player_email = playerEmail,
        player_name = "Player fetched from your DB",
        item_id = itemId,
        item_name = itemName,
        item_quantity = quantity,
        unit_price = price.ToString("F2"),
        total_price = (price * quantity).ToString("F2")
    };
    string jsonBody = JsonUtility.ToJson(requestData);

    using (UnityWebRequest request = new UnityWebRequest(url, "POST"))
    {
        byte[] bodyRaw = System.Text.Encoding.UTF8.GetBytes(jsonBody);
        request.uploadHandler = new UploadHandlerRaw(bodyRaw);
        request.downloadHandler = new DownloadHandlerBuffer();
        
        request.SetRequestHeader("X-Game-Secret-Key", "your_game_secret_key_here");
        request.SetRequestHeader("Content-Type", "application/json");

        yield return request.SendWebRequest();

        if (request.result == UnityWebRequest.Result.Success) {
            onSuccess?.Invoke(request.downloadHandler.text);
        } else {
            onError?.Invoke(request.downloadHandler.text);
        }
    }
}

// This function MUST be on your secure server.
void AYourGameBackend::PurchaseItem(const FString& PlayerEmail, const FString& ItemId, int32 Quantity, float Price)
{
    TSharedPtr<FJsonObject> RequestObj = MakeShareable(new FJsonObject);
    RequestObj->SetStringField("client_request_id", FGuid::NewGuid().ToString());
    RequestObj->SetStringField("player_email", PlayerEmail);
    RequestObj->SetStringField("player_name", "Player Name from DB");
    RequestObj->SetStringField("item_id", ItemId);
    RequestObj->SetStringField("item_name", "Item Name from DB");
    RequestObj->SetNumberField("item_quantity", Quantity);
    RequestObj->SetStringField("unit_price", FString::Printf(TEXT("%.2f"), Price));
    RequestObj->SetStringField("total_price", FString::Printf(TEXT("%.2f"), Price * Quantity));

    FString RequestBody;
    TSharedRef<TJsonWriter<>> Writer = TJsonWriterFactory<>::Create(&RequestBody);
    FJsonSerializer::Serialize(RequestObj.ToSharedRef(), Writer);

    TSharedRef<IHttpRequest> Request = FHttpModule::Get().CreateRequest();
    Request->SetURL("https://invo.network/api/item-purchases/purchase-item");
    Request->SetVerb("POST");
    Request->SetHeader("X-Game-Secret-Key", "your_game_secret_key_here");
    Request->SetHeader("Content-Type", "application/json");
    Request->SetContentAsString(RequestBody);
    
    Request->OnProcessRequestComplete().BindUObject(this, &AYourGameBackend::OnPurchaseItemResponse);
    Request->ProcessRequest();
}

# This function MUST be on your secure server.
# Assumes you have an HTTPRequest node named 'http_request'.
# You can use OS.execute("uuidgen") on supported platforms or other methods for unique IDs.

func purchase_item(player_email: String, item_id: String, quantity: int, price: float):
    var url = "https://invo.network/api/item-purchases/purchase-item"
    var headers = [
        "X-Game-Secret-Key: your_game_secret_key_here",
        "Content-Type: application/json"
    ]
    var body = {
        "client_request_id": UUID.new().uuid_string(), # Requires a UUID plugin or custom function
        "player_email": player_email,
        "player_name": "Player From DB",
        "item_id": item_id,
        "item_name": "Item From DB",
        "item_quantity": quantity,
        "unit_price": "%.2f" % price,
        "total_price": "%.2f" % (price * quantity)
    }
    
    http_request.request(url, headers, HTTPClient.METHOD_POST, JSON.stringify(body))