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Handle the possible different exceptions when an application tries to establish a session but an error is thrown #12

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Handle the possible different exceptions when an application tries to establish a session but an error is thrown #12

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2d72ffa
add posible new status for EstablishSessionStatus enum
ivanhercaz Mar 2, 2024
e1aa3a4
example: add cases in the switch for the session status
ivanhercaz Mar 2, 2024
a979596
add possible way to handle the possible errors when a establishSessio…
ivanhercaz Mar 2, 2024
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6 changes: 6 additions & 0 deletions example/lib/src/features/ble_wifi_screen/bloc/ble_wifi_bloc.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,12 @@ class BleWifiBloc extends Bloc<BleWifiEvent, BleWifiState> {
emit(BleWifiEstablishedConnectionFailedState());
case EstablishSessionStatus.keymismatch:
emit(BleWifiEstablishedConnectionKeyMismatch());
case EstablishSessionStatus.bufferlengtherror:
// TODO: Handle this case.
case EstablishSessionStatus.unexpectedstate:
// TODO: Handle this case.
case EstablishSessionStatus.unknownerror:
// TODO: Handle this case.
}
});

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20 changes: 19 additions & 1 deletion lib/src/esp_prov.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,10 @@ enum EstablishSessionStatus {
connected,
disconnected,
keymismatch,
// TODO: review this values in the PR
bufferlengtherror,
unexpectedstate,
unknownerror
}

class EspProv {
Expand All @@ -41,7 +45,21 @@ class EspProv {
return EstablishSessionStatus.disconnected;
} catch (e) {
if (await transport.checkConnect()) {
return EstablishSessionStatus.keymismatch;
// TODO: review how to handle the possible errors.
// TODO: confirm the possible errors with flutter_ble_lib_ios_15 and flutter_blue_plus
// * It is just a possible way to handle the errors.
// * The ideal would be to have some standardized response to catch the exceptions,
// * But it must be confirmed.
String errorMessage = e.toString();
if (errorMessage.contains('Unexpected state')) {
return EstablishSessionStatus.unexpectedstate;
} else if (errorMessage.contains('Key mismatch')) {
return EstablishSessionStatus.keymismatch;
} else if (errorMessage.contains('Empty response')) {
return EstablishSessionStatus.bufferlengtherror;
} else {
return EstablishSessionStatus.unknownerror;
}
} else {
debugPrint('-----------------------');
debugPrint('EstablishSession Error:');
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