Node / meshtastic / Meshtastic-Android / files / core / datastore / src / commonMain / kotlin / org / meshtastic / core / datastore / FirmwareRecoveryDataSource.kt

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T8b949e/*

* Copyright (c) 2026 Meshtastic LLC

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <https://www.gnu.org/licenses/>.

*/

Tff7b72package T7ee787org.meshtastic.core.datastore

Tff7b72import T7ee787androidx.datastore.core.DataStore

Tff7b72import T7ee787androidx.datastore.preferences.core.Preferences

Tff7b72import T7ee787androidx.datastore.preferences.core.edit

Tff7b72import T7ee787androidx.datastore.preferences.core.stringPreferencesKey

Tff7b72import T7ee787co.touchlab.kermit.Logger

Tff7b72import T7ee787kotlinx.coroutines.flow.Flow

Tff7b72import T7ee787kotlinx.coroutines.flow.map

Tff7b72import T7ee787kotlinx.serialization.SerializationException

Tff7b72import T7ee787kotlinx.serialization.json.Json

Tff7b72import T7ee787org.koin.core.annotation.Named

Tff7b72import T7ee787org.koin.core.annotation.Single

Tff7b72import T7ee787org.meshtastic.core.datastore.model.PendingFirmwareRecovery

T8b949e/**

* Persists a single [PendingFirmwareRecovery] record for a firmware update that may have left a device stranded in

* bootloader mode. Only the most recent trigger is retained (updates are one-device-at-a-time in practice).

*/

Tf0883e@Single

Tff7b72open Tff7b72class T56d364FirmwareRecoveryDataSourceTb4b4b4(

Tf0883e@NamedTb4b4b4(Ta5d6ff"Ta5d6ffCorePreferencesDataStoreTa5d6ff"Tb4b4b4) Tff7b72private Tff7b72val Te6edf3dataStoreTb4b4b4: Te6edf3DataStoreTff7b72<Te6edf3PreferencesTff7b72>Tb4b4b4,

Tb4b4b4) Tb4b4b4{

Tff7b72private Tff7b72object T56d364PreferencesKeys Tb4b4b4{

Tff7b72val Te6edf3PENDING_RECOVERY Tff7b72= Te6edf3stringPreferencesKeyTb4b4b4(Ta5d6ff"Ta5d6ffpending-firmware-recoveryTa5d6ff"Tb4b4b4)

Tb4b4b4}

T8b949e/** The pending recovery record, or `null` when no interrupted update is outstanding. */

Tff7b72open Tff7b72val Te6edf3pendingTb4b4b4: Te6edf3FlowTff7b72<Te6edf3PendingFirmwareRecovery?Tff7b72> Tff7b72=

Te6edf3dataStoreTb4b4b4.Te6edf3dataTb4b4b4.Te6edf3map Tb4b4b4{ Te6edf3preferences Tff7b72-Tff7b72>

Tff7b72val Te6edf3jsonString Tff7b72= Te6edf3preferencesTff7b72[Te6edf3PreferencesKeysTb4b4b4.Te6edf3PENDING_RECOVERYTff7b72] Tff7b72?: Tff7b72returnTf0883e@map Tff7b72null

Te6edf3runCatching Tb4b4b4{ Te6edf3JsonTb4b4b4.Te6edf3decodeFromStringTff7b72<Te6edf3PendingFirmwareRecoveryTff7b72>Tb4b4b4(Te6edf3jsonStringTb4b4b4) Tb4b4b4}

Tb4b4b4.Te6edf3onFailure Tb4b4b4{ Te6edf3e Tff7b72-Tff7b72>

Tff7b72if Tb4b4b4(Te6edf3e Tff7b72is Te6edf3IllegalArgumentException Tff7b72|Tff7b72| Te6edf3e Tff7b72is Te6edf3SerializationExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3wTb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffFailed to parse pending firmware recovery, clearing preferenceTa5d6ff" Tb4b4b4}

Tb4b4b4} Tff7b72else Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3wTb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ffUnexpected error parsing pending firmware recoveryTa5d6ff" Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tb4b4b4.Te6edf3getOrNullTb4b4b4(Tb4b4b4)

Tb4b4b4}

T8b949e/** Records [recovery] as the outstanding interrupted update, replacing any previous record. */

Tff7b72open Tff7b72suspend Tff7b72fun Td2a8ffsetTb4b4b4(Te6edf3recoveryTb4b4b4: Te6edf3PendingFirmwareRecoveryTb4b4b4) Tb4b4b4{

Te6edf3dataStoreTb4b4b4.Te6edf3edit Tb4b4b4{ Te6edf3preferences Tff7b72-Tff7b72> Te6edf3preferencesTff7b72[Te6edf3PreferencesKeysTb4b4b4.Te6edf3PENDING_RECOVERYTff7b72] Tff7b72= Te6edf3JsonTb4b4b4.Te6edf3encodeToStringTb4b4b4(Te6edf3recoveryTb4b4b4) Tb4b4b4}

Tb4b4b4}

T8b949e/** Clears the outstanding recovery record (update finished, or the device returned on its own). */

Tff7b72open Tff7b72suspend Tff7b72fun Td2a8ffclearTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3dataStoreTb4b4b4.Te6edf3edit Tb4b4b4{ Te6edf3preferences Tff7b72-Tff7b72> Te6edf3preferencesTb4b4b4.Te6edf3removeTb4b4b4(Te6edf3PreferencesKeysTb4b4b4.Te6edf3PENDING_RECOVERYTb4b4b4) Tb4b4b4}

Tb4b4b4}

Tb4b4b4}