Ole-Morten Duesund
8f5b18cf68
Milestone 5. One BackupManager entry point so export, import and auto-backup share the same serializer and crypto by construction. Explicit DTOs decouple the backup contract from the Room schema. JCE baseline (PBKDF2-HMAC-SHA256 600k → AES-256-GCM) behind the BackupCrypto interface with format auto-detection on decrypt; age lands behind the same interface in milestone 6. SigV4 signer verified against AWS's published documentation example signature. Settings in SharedPreferences encrypted under a non-exportable AndroidKeyStore key — replaces the now fully deprecated androidx security-crypto with the same construction (~70 lines, zero deps); threat-model comments state plainly that the stored auto-backup passphrase only protects against bucket compromise. WorkManager daily periodic job, inexact by design. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
45 lines
1.4 KiB
Kotlin
45 lines
1.4 KiB
Kotlin
package no.naiv.meddetsamme.data
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import android.content.Context
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import androidx.room.Database
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import androidx.room.Room
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import androidx.room.RoomDatabase
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/**
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* exportSchema=true with schemas/ committed: this DB holds a medical record,
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* so every future schema change ships as a tested Migration against the
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* exported baseline — never destructive fallback.
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*
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* Enums are stored as TEXT (Room's built-in enum converter); all other columns
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* are primitives, so no TypeConverters are needed yet.
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*/
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@Database(
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entities = [Medication::class, DoseTime::class, DoseLog::class],
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version = 1,
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exportSchema = true,
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)
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abstract class MedDatabase : RoomDatabase() {
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abstract fun medicationDao(): MedicationDao
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abstract fun doseTimeDao(): DoseTimeDao
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abstract fun doseLogDao(): DoseLogDao
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abstract fun backupDao(): BackupDao
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suspend fun restoreAll(
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meds: List<Medication>,
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doseTimes: List<DoseTime>,
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logs: List<DoseLog>,
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) = backupDao().replaceAll(meds, doseTimes, logs)
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companion object {
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@Volatile private var instance: MedDatabase? = null
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fun get(context: Context): MedDatabase =
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instance ?: synchronized(this) {
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instance ?: Room.databaseBuilder(
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context.applicationContext,
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MedDatabase::class.java,
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"med-det-samme.db",
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).build().also { instance = it }
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}
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}
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}
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