Dhananjaya99
51 lines
2.5 KiB
C#
51 lines
2.5 KiB
C#
using Fitness_core_BE.DTOs.Auth;
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using Fitness_core_BE.Exceptions;
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using Fitness_core_BE.Models.IOs;
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using System.Text.Json;
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namespace Fitness_core_BE.Helpers
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{
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// Parses AuthHex's real /api/alt|/api/user response shapes. The AuthHex gateway wraps
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// whatever the underlying handler returns in its own {success,message,data} envelope, so
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// authResponse.Data (already unwrapped once by AuthService) can itself be a SECOND envelope:
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// { "success": true, "message": "...", "data": { "referenceNumber": "REC...", "expiresAt": "2026-07-03T18:49:38Z", "recoveryType": "..." } }
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// referenceNumber is an opaque string, not a Guid, and there is no "expiresInSeconds" field -
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// it's an absolute "expiresAt" timestamp that we convert to a countdown.
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public static class AuthOtpResponseParser
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{
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public static SendOtpResult ToSendOtpResult(AuthResponse authResponse, int resendAllowedInSeconds = 60)
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{
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if (authResponse.Data == null)
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throw new BadRequestException("Auth service did not return OTP data.");
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var data = UnwrapToField(DeserializePayload.Deserialize(authResponse.Data), "referenceNumber", "ReferenceNumber");
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var referenceNumber = DataExtractor.GetRequiredStringByKeys(data, "referenceNumber");
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var expiresAt = DataExtractor.GetOptionalDateTime(data, "expiresAt");
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var expiresInSeconds = expiresAt.HasValue
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? Math.Max(0, (int)(expiresAt.Value.ToUniversalTime() - DateTime.UtcNow).TotalSeconds)
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: DataExtractor.GetNullableInt(data, "expiresInSeconds") ?? 600;
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return new SendOtpResult(referenceNumber, expiresInSeconds, resendAllowedInSeconds);
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}
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// If the payload doesn't have any of the fields we're after but looks like another
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// {success,message,data} envelope, drop down into its "data" and try again.
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public static Dictionary<string, JsonElement> UnwrapToField(Dictionary<string, JsonElement> data, params string[] anyOfKeys)
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{
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for (var depth = 0; depth < 3; depth++)
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{
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if (anyOfKeys.Any(k => data.ContainsKey(k)))
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return data;
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if (!data.TryGetValue("data", out var nested) || nested.ValueKind != JsonValueKind.Object)
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return data;
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data = JsonSerializer.Deserialize<Dictionary<string, JsonElement>>(nested.GetRawText())!;
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}
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return data;
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}
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}
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}
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