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Added QRResult and null guard for qr code

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This commit is contained in:
Savya Bikram Shah
2026-05-07 14:27:36 +05:45
parent 2223b2d3ae
commit 08d59d63c8
4 changed files with 78 additions and 29 deletions
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84
Packages/com.voidbotz.fonepayunity/Runtime/API/FonepayApiClient.cs
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@@ -14,8 +14,8 @@ namespace Darkmatter.Fonepay
/// </summary>
internal sealed class FonepayApiClient
{
private const string QrPath = "merchant/merchantDetailsForThirdParty/thirdPartyDynamicQrDownload";
private const string StatusPath = "merchant/merchantDetailsForThirdParty/thirdPartyDynamicQrGetStatus";
private const string QrPath = "merchant/merchantDetailsForThirdParty/thirdPartyDynamicQrDownload";
private const string StatusPath = "merchant/merchantDetailsForThirdParty/thirdPartyDynamicQrGetStatus";
private const string TaxRefundPath = "merchant/merchantDetailsForThirdParty/taxRefund";
private readonly FonepayConfigSO _config;
@@ -29,27 +29,28 @@ namespace Darkmatter.Fonepay
// ── public API ────────────────────────────────────────────────────
internal Task<QrResponse> PostQRAsync(QrRequest request, CancellationToken ct)
internal async Task<QrResult> PostQRAsync(QrRequest request, CancellationToken ct)
{
var amountStr = request.amount.ToString("0.00", CultureInfo.InvariantCulture);
var payload = new QrRequestPayload
{
amount = request.amount,
prn = request.prn,
remarks1 = request.remarks1,
remarks2 = request.remarks2,
pm = request.pm,
amount = request.amount,
prn = request.prn,
remarks1 = request.remarks1,
remarks2 = request.remarks2,
pm = request.pm,
merchantCode = _config.MerchantCode,
username = _config.Username,
password = _config.GetPassword(),
username = _config.Username,
password = _config.GetPassword(),
dataValidation = _signer.SignQrRequest(
amountStr, request.prn, _config.MerchantCode,
request.remarks1, request.remarks2),
};
return SendPostAsync<QrResponse>(QrPath, payload, ct);
var response = await SendPostAsync<QrResponse>(QrPath, payload, ct);
return MapToQrResult(response);
}
internal Task<QrResponse> GetStatusAsync(string prn, CancellationToken ct)
internal async Task<QrResult> GetStatusAsync(string prn, CancellationToken ct)
{
var sig = _signer.SignStatusCheck(prn, _config.MerchantCode);
var url = $"{_config.ResolveBaseUrl()}{StatusPath}" +
@@ -58,24 +59,26 @@ namespace Darkmatter.Fonepay
$"&dataValidation={UnityWebRequest.EscapeURL(sig)}" +
$"&username={UnityWebRequest.EscapeURL(_config.Username)}" +
$"&password={UnityWebRequest.EscapeURL(_config.GetPassword())}";
return SendAsync<QrResponse>(url, UnityWebRequest.kHttpVerbGET, null, ct);
var response = await SendAsync<QrResponse>(url, UnityWebRequest.kHttpVerbGET, null, ct);
return MapToQrResult(response);
}
internal Task<TaxRefundResponse> PostTaxRefundAsync(TaxRefundRequest r, CancellationToken ct)
{
var invoiceDate = r.invoiceDate.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture);
var amountStr = r.transactionAmount.ToString("0.00", CultureInfo.InvariantCulture);
var amountStr = r.transactionAmount.ToString("0.00", CultureInfo.InvariantCulture);
var payload = new TaxRefundRequestPayload
{
fonepayTraceId = r.fonepayTraceId,
merchantPRN = r.merchantPRN,
invoiceNumber = r.invoiceNumber,
invoiceDate = invoiceDate,
fonepayTraceId = r.fonepayTraceId,
merchantPRN = r.merchantPRN,
invoiceNumber = r.invoiceNumber,
invoiceDate = invoiceDate,
transactionAmount = r.transactionAmount,
merchantCode = _config.MerchantCode,
username = _config.Username,
password = _config.GetPassword(),
dataValidation = _signer.SignTaxRefund(
merchantCode = _config.MerchantCode,
username = _config.Username,
password = _config.GetPassword(),
dataValidation = _signer.SignTaxRefund(
r.fonepayTraceId, r.merchantPRN, r.invoiceNumber,
invoiceDate, amountStr, _config.MerchantCode),
};
@@ -86,7 +89,7 @@ namespace Darkmatter.Fonepay
private Task<T> SendPostAsync<T>(string relativePath, object body, CancellationToken ct)
{
var url = _config.ResolveBaseUrl() + relativePath;
var url = _config.ResolveBaseUrl() + relativePath;
var json = JsonUtility.ToJson(body);
return SendAsync<T>(url, UnityWebRequest.kHttpVerbPOST, json, ct);
}
@@ -103,11 +106,22 @@ namespace Darkmatter.Fonepay
req.uploadHandler = new UploadHandlerRaw(System.Text.Encoding.UTF8.GetBytes(jsonBody));
req.SetRequestHeader("Content-Type", "application/json");
}
req.SetRequestHeader("Accept", "application/json");
CancellationTokenRegistration reg = default;
if (ct.CanBeCanceled)
reg = ct.Register(() => { try { req.Abort(); } catch { /* ignored */ } });
reg = ct.Register(() =>
{
try
{
req.Abort();
}
catch
{
/* ignored */
}
});
var op = req.SendWebRequest();
op.completed += _ =>
@@ -135,13 +149,17 @@ namespace Darkmatter.Fonepay
var text = req.downloadHandler.text ?? string.Empty;
T result;
try { result = JsonUtility.FromJson<T>(text); }
try
{
result = JsonUtility.FromJson<T>(text);
}
catch (Exception e)
{
tcs.TrySetException(new FonepayError(0,
$"JSON parse failed: {e.Message}. Body: {text}", url));
return;
}
tcs.TrySetResult(result);
}
finally
@@ -152,5 +170,21 @@ namespace Darkmatter.Fonepay
};
return tcs.Task;
}
private QrResult MapToQrResult(QrResponse response)
{
return new QrResult
{
message = response.message,
qrCode = string.IsNullOrEmpty(response.qrMessage)
? null
: FonepayQRGenerator.GenerateTexture(response.qrMessage),
status = response.status,
statusCode = response.statusCode,
success = response.success,
thirdpartyQrWebSocketUrl = response.thirdpartyQrWebSocketUrl,
};
}
}
}

4
Packages/com.voidbotz.fonepayunity/Runtime/Core/FonepayClient.cs
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@@ -27,7 +27,7 @@ namespace Darkmatter.Fonepay
/// <param name="req"></param>
/// <param name="ct"></param>
/// <returns></returns>
public Task<QrResponse> PostQRAsync(QrRequest req, CancellationToken ct = default)
public Task<QrResult> PostQRAsync(QrRequest req, CancellationToken ct = default)
=> _api.PostQRAsync(req, ct);
/// <summary>
@@ -36,7 +36,7 @@ namespace Darkmatter.Fonepay
/// <param name="prn"></param>
/// <param name="ct"></param>
/// <returns></returns>
public Task<QrResponse> GetStatusAsync(string prn, CancellationToken ct = default)
public Task<QrResult> GetStatusAsync(string prn, CancellationToken ct = default)
=> _api.GetStatusAsync(prn, ct);
/// <summary>

15
Packages/com.voidbotz.fonepayunity/Runtime/Models/QrResponse.cs
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@@ -1,9 +1,22 @@
using System;
using UnityEngine;
namespace Darkmatter.Fonepay
{
[Serializable]
public struct QrResponse
public struct QrResult
{
public string message;
public Texture2D qrCode;
public string status;
public int statusCode;
public bool success;
public string thirdpartyQrWebSocketUrl;
}
[Serializable]
internal struct QrResponse
{
public string message;
public string qrMessage;

2
Packages/com.voidbotz.fonepayunity/Runtime/QR/FonepayQRGenerator.cs
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@@ -55,6 +55,8 @@ namespace Darkmatter.Fonepay
public static bool[,] GenerateMatrix(string text, EccLevel ecc = EccLevel.M)
{
if (string.IsNullOrEmpty(text))
throw new System.ArgumentException("QR text must be non-empty", nameof(text));
byte[] data = System.Text.Encoding.UTF8.GetBytes(text);
var (version, ecBlocks) = ChooseVersion(data.Length, ecc);
byte[] codewords = BuildCodewords(data, version, ecc, ecBlocks);