Initial commit

This commit is contained in:
defiQUG
2025-12-26 10:48:33 -08:00
commit 97f75e144f
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plugins {
id("com.android.library")
id("org.jetbrains.kotlin.android")
id("kotlin-kapt")
id("dagger.hilt.android.plugin")
}
android {
namespace = "com.smoa.core.common"
compileSdk = AppConfig.compileSdk
defaultConfig {
minSdk = AppConfig.minSdk
}
compileOptions {
sourceCompatibility = JavaVersion.VERSION_17
targetCompatibility = JavaVersion.VERSION_17
}
kotlinOptions {
jvmTarget = "17"
}
}
java {
toolchain {
languageVersion.set(JavaLanguageVersion.of(17))
}
}
dependencies {
implementation(Dependencies.androidxCoreKtx)
implementation(Dependencies.androidxLifecycleRuntimeKtx)
implementation(Dependencies.coroutinesCore)
implementation(Dependencies.coroutinesAndroid)
implementation(Dependencies.hiltAndroid)
kapt(Dependencies.hiltAndroidCompiler)
// Testing
testImplementation(Dependencies.junit)
testImplementation(Dependencies.mockk)
testImplementation(Dependencies.coroutinesTest)
testImplementation(Dependencies.truth)
}

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package com.smoa.core.common
import android.content.Context
import android.net.Network
import android.net.NetworkCapabilities
import dagger.hilt.android.qualifiers.ApplicationContext
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.flow.asStateFlow
import javax.inject.Inject
import javax.inject.Singleton
/**
* Manages connectivity state (online/offline/restricted).
*/
@Singleton
class ConnectivityManager @Inject constructor(
@ApplicationContext private val context: Context
) {
private val systemConnectivityManager =
context.getSystemService(Context.CONNECTIVITY_SERVICE) as android.net.ConnectivityManager
private val _connectivityState = MutableStateFlow<ConnectivityState>(ConnectivityState.Unknown)
val connectivityState: StateFlow<ConnectivityState> = _connectivityState.asStateFlow()
private val networkCallback = object : android.net.ConnectivityManager.NetworkCallback() {
override fun onAvailable(network: Network) {
updateConnectivityState()
}
override fun onLost(network: Network) {
updateConnectivityState()
}
override fun onCapabilitiesChanged(
network: Network,
networkCapabilities: NetworkCapabilities
) {
updateConnectivityState()
}
}
init {
registerNetworkCallback()
updateConnectivityState()
}
/**
* Register network callback to monitor connectivity changes.
*/
private fun registerNetworkCallback() {
val networkRequest = android.net.NetworkRequest.Builder()
.addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
.build()
systemConnectivityManager.registerNetworkCallback(networkRequest, networkCallback)
}
/**
* Update current connectivity state.
*/
private fun updateConnectivityState() {
val activeNetwork = systemConnectivityManager.activeNetwork
val capabilities = activeNetwork?.let {
systemConnectivityManager.getNetworkCapabilities(it)
}
_connectivityState.value = when {
capabilities == null -> ConnectivityState.Offline
capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET) &&
capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED) -> {
// Check if connection is restricted (e.g., VPN required but not connected)
if (isRestricted(capabilities)) {
ConnectivityState.Restricted
} else {
ConnectivityState.Online
}
}
else -> ConnectivityState.Offline
}
}
/**
* Check if connection is restricted (e.g., requires VPN but not connected).
*/
private fun isRestricted(capabilities: NetworkCapabilities): Boolean {
// Implement policy-based restriction checks
// For now, return false (can be extended based on policy)
return false
}
/**
* Check if device is currently online.
*/
fun isOnline(): Boolean {
return _connectivityState.value == ConnectivityState.Online
}
/**
* Check if device is offline.
*/
fun isOffline(): Boolean {
return _connectivityState.value == ConnectivityState.Offline
}
/**
* Check if connection is restricted.
*/
fun isRestricted(): Boolean {
return _connectivityState.value == ConnectivityState.Restricted
}
/**
* Get current connectivity state.
*/
fun getState(): ConnectivityState {
return _connectivityState.value
}
enum class ConnectivityState {
Online,
Offline,
Restricted,
Unknown
}
}

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package com.smoa.core.common
import java.util.Locale
/**
* ISO 3166 country codes utilities (ISO 3166-1:2020).
* Provides country code validation and conversion per ISO 3166 standard.
*/
object CountryCodes {
/**
* Get ISO 3166-1 alpha-2 country code (2-letter) from country name.
*/
fun getAlpha2Code(countryName: String): String? {
return alpha2Codes[countryName.uppercase(Locale.US)]
}
/**
* Get ISO 3166-1 alpha-3 country code (3-letter) from country name.
*/
fun getAlpha3Code(countryName: String): String? {
return alpha3Codes[countryName.uppercase(Locale.US)]
}
/**
* Convert alpha-2 to alpha-3 code.
*/
fun alpha2ToAlpha3(alpha2: String): String? {
return alpha2ToAlpha3Map[alpha2.uppercase(Locale.US)]
}
/**
* Convert alpha-3 to alpha-2 code.
*/
fun alpha3ToAlpha2(alpha3: String): String? {
return alpha3ToAlpha2Map[alpha3.uppercase(Locale.US)]
}
/**
* Validate ISO 3166-1 alpha-2 code format and validity.
*/
fun isValidAlpha2(code: String): Boolean {
val upperCode = code.uppercase(Locale.US)
return upperCode.length == 2 &&
upperCode.all { it.isLetter() } &&
alpha2Codes.values.contains(upperCode)
}
/**
* Validate ISO 3166-1 alpha-3 code format and validity.
*/
fun isValidAlpha3(code: String): Boolean {
val upperCode = code.uppercase(Locale.US)
return upperCode.length == 3 &&
upperCode.all { it.isLetter() } &&
alpha3Codes.values.contains(upperCode)
}
/**
* Get numeric country code (ISO 3166-1 numeric).
*/
fun getNumericCode(alpha2: String): String? {
return numericCodes[alpha2.uppercase(Locale.US)]
}
// Common country codes - in production, use full ISO 3166-1:2020 database
private val alpha2Codes = mapOf(
"UNITED STATES" to "US",
"CANADA" to "CA",
"MEXICO" to "MX",
"UNITED KINGDOM" to "GB",
"FRANCE" to "FR",
"GERMANY" to "DE",
"ITALY" to "IT",
"SPAIN" to "ES",
"AUSTRALIA" to "AU",
"JAPAN" to "JP",
"CHINA" to "CN",
"RUSSIA" to "RU"
)
private val alpha3Codes = mapOf(
"UNITED STATES" to "USA",
"CANADA" to "CAN",
"MEXICO" to "MEX",
"UNITED KINGDOM" to "GBR",
"FRANCE" to "FRA",
"GERMANY" to "DEU",
"ITALY" to "ITA",
"SPAIN" to "ESP",
"AUSTRALIA" to "AUS",
"JAPAN" to "JPN",
"CHINA" to "CHN",
"RUSSIA" to "RUS"
)
private val alpha2ToAlpha3Map = mapOf(
"US" to "USA",
"CA" to "CAN",
"MX" to "MEX",
"GB" to "GBR",
"FR" to "FRA",
"DE" to "DEU",
"IT" to "ITA",
"ES" to "ESP"
)
private val alpha3ToAlpha2Map = alpha2ToAlpha3Map.entries.associate { (k, v) -> v to k }
private val numericCodes = mapOf(
"US" to "840",
"CA" to "124",
"MX" to "484",
"GB" to "826",
"FR" to "250",
"DE" to "276"
)
}

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package com.smoa.core.common
import java.text.SimpleDateFormat
import java.util.Date
import java.util.Locale
import java.util.TimeZone
/**
* Date formatting utilities for ISO 8601 compliance (ISO 8601:2019).
* Ensures full compliance with ISO 8601 standard for date/time representation.
*/
object DateFormatting {
private val iso8601Format = SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.US).apply {
timeZone = TimeZone.getTimeZone("UTC")
}
private val iso8601Basic = SimpleDateFormat("yyyyMMdd'T'HHmmss'Z'", Locale.US).apply {
timeZone = TimeZone.getTimeZone("UTC")
}
private val iso8601DateOnly = SimpleDateFormat("yyyy-MM-dd", Locale.US)
private val iso8601TimeOnly = SimpleDateFormat("HH:mm:ss", Locale.US)
/**
* Format date to ISO 8601 format with timezone (YYYY-MM-DDTHH:mm:ss.sssZ).
*/
fun toISO8601(date: Date): String {
return iso8601Format.format(date)
}
/**
* Format date to ISO 8601 basic format (YYYYMMDDTHHmmssZ).
*/
fun toISO8601Basic(date: Date): String {
return iso8601Basic.format(date)
}
/**
* Format date to ISO 8601 date-only format (YYYY-MM-DD).
*/
fun toISO8601Date(date: Date): String {
return iso8601DateOnly.format(date)
}
/**
* Format time to ISO 8601 time format (HH:mm:ss).
*/
fun toISO8601Time(date: Date): String {
return iso8601TimeOnly.format(date)
}
/**
* Parse ISO 8601 date string (extended format).
*/
fun fromISO8601(dateString: String): Date? {
return try {
iso8601Format.parse(dateString)
} catch (e: Exception) {
null
}
}
/**
* Parse ISO 8601 basic format date string.
*/
fun fromISO8601Basic(dateString: String): Date? {
return try {
iso8601Basic.parse(dateString)
} catch (e: Exception) {
null
}
}
/**
* Get current time in ISO 8601 format.
*/
fun nowISO8601(): String {
return toISO8601(Date())
}
}

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package com.smoa.core.common
import android.content.res.Configuration
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.flow.asStateFlow
import javax.inject.Inject
import javax.inject.Singleton
/**
* Manages foldable device state (folded/unfolded).
*/
@Singleton
class FoldableStateManager @Inject constructor() {
private val _foldState = MutableStateFlow<FoldState>(FoldState.Unknown)
val foldState: StateFlow<FoldState> = _foldState.asStateFlow()
/**
* Update fold state based on configuration.
*/
fun updateFoldState(configuration: Configuration) {
val isFolded = configuration.screenWidthDp < 600 // Threshold for tablet/folded detection
_foldState.value = if (isFolded) {
FoldState.Folded
} else {
FoldState.Unfolded
}
}
/**
* Check if device is currently folded.
*/
fun isFolded(): Boolean {
return _foldState.value == FoldState.Folded
}
/**
* Check if device is currently unfolded.
*/
fun isUnfolded(): Boolean {
return _foldState.value == FoldState.Unfolded
}
enum class FoldState {
Folded,
Unfolded,
Unknown
}
}

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package com.smoa.core.common
import java.util.Date
/**
* ISO/IEC 19794 biometric template support.
*/
object ISO19794Biometric {
/**
* Biometric template format identifiers per ISO/IEC 19794.
*/
enum class FormatIdentifier(val code: Int) {
FINGERPRINT(0x0010),
FACIAL(0x0011),
IRIS(0x0012),
VOICE(0x0013)
}
/**
* Create ISO 19794 compliant biometric header.
*/
fun createBiometricHeader(
formatIdentifier: FormatIdentifier,
version: Int = 0x30313000, // Version 1.0
length: Int,
captureDate: Date
): ByteArray {
// ISO 19794 header structure
val header = mutableListOf<Byte>()
// Format identifier (4 bytes)
header.addAll(intToBytes(formatIdentifier.code, 4))
// Version (4 bytes)
header.addAll(intToBytes(version, 4))
// Length (4 bytes)
header.addAll(intToBytes(length, 4))
// Capture date/time (14 bytes - YYYYMMDDHHmmss)
val dateFormat = java.text.SimpleDateFormat("yyyyMMddHHmmss", java.util.Locale.US)
val dateStr = dateFormat.format(captureDate)
header.addAll(dateStr.toByteArray(Charsets.ISO_8859_1).toList())
return header.toByteArray()
}
private fun intToBytes(value: Int, bytes: Int): List<Byte> {
val result = mutableListOf<Byte>()
for (i in bytes - 1 downTo 0) {
result.add(((value shr (i * 8)) and 0xFF).toByte())
}
return result
}
}

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package com.smoa.core.common
import java.util.Date
/**
* ISO/IEC 27001 Information Security Management System (ISMS) compliance utilities.
*/
object ISO27001ISMS {
/**
* Security control categories per ISO 27001.
*/
enum class ControlCategory {
SECURITY_POLICIES,
ORGANIZATION_OF_INFORMATION_SECURITY,
HUMAN_RESOURCE_SECURITY,
ASSET_MANAGEMENT,
ACCESS_CONTROL,
CRYPTOGRAPHY,
PHYSICAL_AND_ENVIRONMENTAL_SECURITY,
OPERATIONS_SECURITY,
COMMUNICATIONS_SECURITY,
SYSTEM_ACQUISITION_DEVELOPMENT_AND_MAINTENANCE,
SUPPLIER_RELATIONSHIPS,
INFORMATION_SECURITY_INCIDENT_MANAGEMENT,
INFORMATION_SECURITY_ASPECTS_OF_BUSINESS_CONTINUITY_MANAGEMENT,
COMPLIANCE
}
/**
* Security event record for ISMS compliance.
*/
data class SecurityEvent(
val eventId: String,
val timestamp: Date,
val category: ControlCategory,
val description: String,
val severity: Severity,
val userId: String?,
val resource: String?,
val outcome: EventOutcome
)
enum class Severity {
LOW,
MEDIUM,
HIGH,
CRITICAL
}
enum class EventOutcome {
SUCCESS,
FAILURE,
PARTIAL
}
/**
* ISMS documentation structure.
*/
data class ISMSDocumentation(
val policyDocuments: List<PolicyDocument>,
val procedures: List<Procedure>,
val records: List<SecurityEvent>,
val riskAssessments: List<RiskAssessment>,
val lastReviewed: Date
)
data class PolicyDocument(
val documentId: String,
val title: String,
val version: String,
val effectiveDate: Date,
val reviewDate: Date?,
val owner: String
)
data class Procedure(
val procedureId: String,
val title: String,
val steps: List<String>,
val version: String,
val lastUpdated: Date
)
data class RiskAssessment(
val assessmentId: String,
val asset: String,
val threat: String,
val vulnerability: String,
val riskLevel: RiskLevel,
val mitigation: String?,
val assessmentDate: Date
)
enum class RiskLevel {
LOW,
MEDIUM,
HIGH,
CRITICAL
}
}

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package com.smoa.core.common
/**
* ISO/IEC 7816 smart card integration support.
*/
object ISO7816SmartCard {
/**
* APDU (Application Protocol Data Unit) command structure per ISO 7816-4.
*/
data class APDUCommand(
val cla: Byte, // Class byte
val ins: Byte, // Instruction byte
val p1: Byte, // Parameter 1
val p2: Byte, // Parameter 2
val data: ByteArray? = null,
val le: Byte? = null // Expected length
) {
fun toByteArray(): ByteArray {
val result = mutableListOf<Byte>()
result.add(cla)
result.add(ins)
result.add(p1)
result.add(p2)
if (data != null) {
result.add(data.size.toByte())
result.addAll(data.toList())
}
if (le != null) {
result.add(le)
}
return result.toByteArray()
}
}
/**
* APDU response structure.
*/
data class APDUResponse(
val data: ByteArray,
val sw1: Byte,
val sw2: Byte
) {
val statusWord: Int
get() = ((sw1.toInt() and 0xFF) shl 8) or (sw2.toInt() and 0xFF)
val isSuccess: Boolean
get() = statusWord == 0x9000
}
/**
* Common APDU instructions per ISO 7816-4.
*/
object Instructions {
const val SELECT_FILE: Byte = 0xA4.toByte()
const val READ_BINARY: Byte = 0xB0.toByte()
const val UPDATE_BINARY: Byte = 0xD6.toByte()
const val READ_RECORD: Byte = 0xB2.toByte()
const val GET_RESPONSE: Byte = 0xC0.toByte()
const val VERIFY: Byte = 0x20
const val CHANGE_REFERENCE_DATA: Byte = 0x24
}
/**
* Create SELECT FILE APDU command.
*/
fun createSelectFileCommand(fileId: ByteArray, p2: Byte = 0x00.toByte()): APDUCommand {
return APDUCommand(
cla = 0x00,
ins = Instructions.SELECT_FILE,
p1 = 0x00,
p2 = p2,
data = fileId
)
}
/**
* Create READ BINARY APDU command.
*/
fun createReadBinaryCommand(offset: Int, length: Int): APDUCommand {
val offsetBytes = byteArrayOf(
((offset shr 8) and 0xFF).toByte(),
(offset and 0xFF).toByte()
)
return APDUCommand(
cla = 0x00,
ins = Instructions.READ_BINARY,
p1 = offsetBytes[0],
p2 = offsetBytes[1],
le = length.toByte()
)
}
}

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package com.smoa.core.common
import java.util.Date
import javax.inject.Inject
import javax.inject.Singleton
/**
* Offline policy manager.
* Enforces time-bounded offline data caches and automatic purge.
*/
@Singleton
class OfflinePolicyManager @Inject constructor() {
companion object {
private const val DEFAULT_MAX_OFFLINE_DURATION_MS = 7L * 24 * 60 * 60 * 1000 // 7 days
private const val DEFAULT_CREDENTIAL_CACHE_DURATION_MS = 30L * 24 * 60 * 60 * 1000 // 30 days
private const val DEFAULT_ORDER_CACHE_DURATION_MS = 14L * 24 * 60 * 60 * 1000 // 14 days
private const val DEFAULT_EVIDENCE_CACHE_DURATION_MS = 90L * 24 * 60 * 60 * 1000 // 90 days
}
/**
* Get maximum offline duration for a data type.
*/
fun getMaxOfflineDuration(dataType: OfflineDataType): Long {
return when (dataType) {
OfflineDataType.Credential -> DEFAULT_CREDENTIAL_CACHE_DURATION_MS
OfflineDataType.Order -> DEFAULT_ORDER_CACHE_DURATION_MS
OfflineDataType.Evidence -> DEFAULT_EVIDENCE_CACHE_DURATION_MS
OfflineDataType.Directory -> DEFAULT_MAX_OFFLINE_DURATION_MS
OfflineDataType.Report -> DEFAULT_MAX_OFFLINE_DURATION_MS
}
}
/**
* Check if offline data is still valid.
*/
fun isOfflineDataValid(lastSyncTime: Date, dataType: OfflineDataType): Boolean {
val maxDuration = getMaxOfflineDuration(dataType)
val now = Date()
val offlineDuration = now.time - lastSyncTime.time
return offlineDuration <= maxDuration
}
/**
* Check if offline data should be purged.
*/
fun shouldPurgeOfflineData(lastSyncTime: Date, dataType: OfflineDataType): Boolean {
return !isOfflineDataValid(lastSyncTime, dataType)
}
/**
* Get time remaining until offline data expires.
*/
fun getTimeUntilExpiration(lastSyncTime: Date, dataType: OfflineDataType): Long {
val maxDuration = getMaxOfflineDuration(dataType)
val now = Date()
val offlineDuration = now.time - lastSyncTime.time
return maxOf(0, maxDuration - offlineDuration)
}
}
/**
* Offline data types.
*/
enum class OfflineDataType {
Credential,
Order,
Evidence,
Directory,
Report
}

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package com.smoa.core.common
sealed class Result<out T> {
data class Success<out T>(val data: T) : Result<T>()
data class Error(val exception: Throwable) : Result<Nothing>()
object Loading : Result<Nothing>()
}

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package com.smoa.core.common
import javax.inject.Inject
import javax.inject.Singleton
/**
* Smart card reader interface for ISO 7816 card integration.
*
* Note: Actual implementation will depend on hardware card reader support.
*/
@Singleton
class SmartCardReader @Inject constructor() {
/**
* Check if smart card is present.
*/
suspend fun isCardPresent(): Boolean {
// TODO: Implement actual card detection
return false
}
/**
* Connect to smart card.
*/
suspend fun connect(): Result<SmartCardConnection> {
// TODO: Implement actual card connection
return Result.Error(NotImplementedError("Smart card connection not yet implemented"))
}
/**
* Disconnect from smart card.
*/
suspend fun disconnect() {
// TODO: Implement actual card disconnection
}
}
/**
* Smart card connection for APDU communication.
*/
interface SmartCardConnection {
/**
* Transmit APDU command and receive response.
*/
suspend fun transmit(command: ISO7816SmartCard.APDUCommand): Result<ISO7816SmartCard.APDUResponse>
/**
* Close connection.
*/
suspend fun close()
}

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package com.smoa.core.common
/**
* Sync API interface for backend synchronization.
* Defines the contract for syncing data with backend services.
*/
interface SyncAPI {
/**
* Sync order to backend.
*/
suspend fun syncOrder(orderData: ByteArray): Result<SyncResponse>
/**
* Sync evidence to backend.
*/
suspend fun syncEvidence(evidenceData: ByteArray): Result<SyncResponse>
/**
* Sync credential to backend.
*/
suspend fun syncCredential(credentialData: ByteArray): Result<SyncResponse>
/**
* Sync directory entry to backend.
*/
suspend fun syncDirectoryEntry(entryData: ByteArray): Result<SyncResponse>
/**
* Sync report to backend.
*/
suspend fun syncReport(reportData: ByteArray): Result<SyncResponse>
}
/**
* Sync response from backend.
*/
data class SyncResponse(
val success: Boolean,
val itemId: String,
val serverTimestamp: Long,
val conflict: Boolean = false,
val remoteData: ByteArray? = null,
val message: String? = null
)
/**
* Default implementation of SyncAPI.
* In production, this would use Retrofit or similar to call actual backend APIs.
*/
class DefaultSyncAPI : SyncAPI {
override suspend fun syncOrder(orderData: ByteArray): Result<SyncResponse> {
// TODO: Implement actual API call
// This would use Retrofit to POST order data to backend
return Result.Success(
SyncResponse(
success = true,
itemId = "order_123",
serverTimestamp = System.currentTimeMillis()
)
)
}
override suspend fun syncEvidence(evidenceData: ByteArray): Result<SyncResponse> {
// TODO: Implement actual API call
return Result.Success(
SyncResponse(
success = true,
itemId = "evidence_123",
serverTimestamp = System.currentTimeMillis()
)
)
}
override suspend fun syncCredential(credentialData: ByteArray): Result<SyncResponse> {
// TODO: Implement actual API call
return Result.Success(
SyncResponse(
success = true,
itemId = "credential_123",
serverTimestamp = System.currentTimeMillis()
)
)
}
override suspend fun syncDirectoryEntry(entryData: ByteArray): Result<SyncResponse> {
// TODO: Implement actual API call
return Result.Success(
SyncResponse(
success = true,
itemId = "directory_123",
serverTimestamp = System.currentTimeMillis()
)
)
}
override suspend fun syncReport(reportData: ByteArray): Result<SyncResponse> {
// TODO: Implement actual API call
return Result.Success(
SyncResponse(
success = true,
itemId = "report_123",
serverTimestamp = System.currentTimeMillis()
)
)
}
}

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package com.smoa.core.common
import android.content.Context
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.StateFlow
import kotlinx.coroutines.flow.asStateFlow
import java.util.Date
import javax.inject.Inject
import javax.inject.Singleton
/**
* Offline synchronization service.
* Handles data synchronization when connectivity is restored.
*/
@Singleton
class SyncService @Inject constructor(
private val context: Context,
private val connectivityManager: ConnectivityManager,
private val syncAPI: SyncAPI = DefaultSyncAPI()
) {
private val _syncState = MutableStateFlow<SyncState>(SyncState.Idle)
val syncState: StateFlow<SyncState> = _syncState.asStateFlow()
private val syncQueue = mutableListOf<SyncItem>()
private val conflictResolver = ConflictResolver()
/**
* Queue an item for synchronization.
*/
fun queueSync(item: SyncItem) {
syncQueue.add(item)
if (connectivityManager.isOnline()) {
// Note: startSync() is a suspend function, caller should use coroutine scope
// This will be handled by the sync service when connectivity is restored
}
}
/**
* Start synchronization process.
*/
suspend fun startSync() {
if (!connectivityManager.isOnline()) {
_syncState.value = SyncState.WaitingForConnection
return
}
if (syncQueue.isEmpty()) {
_syncState.value = SyncState.Idle
return
}
_syncState.value = SyncState.Syncing(syncQueue.size)
val itemsToSync = syncQueue.toList()
syncQueue.clear()
for (item in itemsToSync) {
try {
syncItem(item)
} catch (e: ConflictException) {
// Handle conflict
val resolution = conflictResolver.resolveConflict(item, e)
when (resolution) {
is ConflictResolution.UseLocal -> {
// Keep local version
}
is ConflictResolution.UseRemote -> {
// Use remote version
syncItem(item.copy(data = e.remoteData))
}
is ConflictResolution.Merge -> {
// Merge both versions
syncItem(item.copy(data = resolution.mergedData))
}
}
} catch (e: Exception) {
// Re-queue failed items
syncQueue.add(item)
}
}
_syncState.value = SyncState.Idle
}
/**
* Sync a single item.
*/
private suspend fun syncItem(item: SyncItem) {
// Implement sync logic based on item type
// In a full implementation, this would call appropriate service methods
when (item.type) {
SyncItemType.Order -> {
syncOrder(item)
}
SyncItemType.Evidence -> {
syncEvidence(item)
}
SyncItemType.Credential -> {
syncCredential(item)
}
SyncItemType.Directory -> {
syncDirectoryEntry(item)
}
SyncItemType.Report -> {
syncReport(item)
}
}
}
/**
* Sync order item.
*/
private suspend fun syncOrder(item: SyncItem) {
try {
// Serialize order data (in production, use proper serialization like JSON)
val orderData = serializeOrderData(item.data)
// Send to backend API
val result = syncAPI.syncOrder(orderData)
when (result) {
is Result.Success -> {
val response = result.data
if (response.conflict && response.remoteData != null) {
// Handle conflict
throw ConflictException(
localData = item.data,
remoteData = response.remoteData,
message = "Order conflict detected: ${item.id}"
)
}
// Sync successful - item is now synced
}
is Result.Error -> throw result.exception
is Result.Loading -> throw Exception("Unexpected loading state")
}
} catch (e: ConflictException) {
throw e
} catch (e: Exception) {
throw Exception("Failed to sync order: ${e.message}", e)
}
}
/**
* Sync evidence item.
*/
private suspend fun syncEvidence(item: SyncItem) {
try {
val evidenceData = serializeEvidenceData(item.data)
val result = syncAPI.syncEvidence(evidenceData)
when (result) {
is Result.Success -> {
val response = result.data
if (response.conflict && response.remoteData != null) {
throw ConflictException(
localData = item.data,
remoteData = response.remoteData,
message = "Evidence conflict detected: ${item.id}"
)
}
}
is Result.Error -> throw result.exception
is Result.Loading -> throw Exception("Unexpected loading state")
}
} catch (e: ConflictException) {
throw e
} catch (e: Exception) {
throw Exception("Failed to sync evidence: ${e.message}", e)
}
}
/**
* Sync credential item.
*/
private suspend fun syncCredential(item: SyncItem) {
try {
val credentialData = serializeCredentialData(item.data)
val result = syncAPI.syncCredential(credentialData)
when (result) {
is Result.Success -> {
val response = result.data
if (response.conflict && response.remoteData != null) {
throw ConflictException(
localData = item.data,
remoteData = response.remoteData,
message = "Credential conflict detected: ${item.id}"
)
}
}
is Result.Error -> throw result.exception
is Result.Loading -> throw Exception("Unexpected loading state")
}
} catch (e: ConflictException) {
throw e
} catch (e: Exception) {
throw Exception("Failed to sync credential: ${e.message}", e)
}
}
/**
* Sync directory entry item.
*/
private suspend fun syncDirectoryEntry(item: SyncItem) {
try {
val entryData = serializeDirectoryEntryData(item.data)
val result = syncAPI.syncDirectoryEntry(entryData)
when (result) {
is Result.Success -> {
val response = result.data
if (response.conflict && response.remoteData != null) {
throw ConflictException(
localData = item.data,
remoteData = response.remoteData,
message = "Directory entry conflict detected: ${item.id}"
)
}
}
is Result.Error -> throw result.exception
is Result.Loading -> throw Exception("Unexpected loading state")
}
} catch (e: ConflictException) {
throw e
} catch (e: Exception) {
throw Exception("Failed to sync directory entry: ${e.message}", e)
}
}
/**
* Sync report item.
*/
private suspend fun syncReport(item: SyncItem) {
try {
val reportData = serializeReportData(item.data)
val result = syncAPI.syncReport(reportData)
when (result) {
is Result.Success -> {
val response = result.data
if (response.conflict && response.remoteData != null) {
throw ConflictException(
localData = item.data,
remoteData = response.remoteData,
message = "Report conflict detected: ${item.id}"
)
}
}
is Result.Error -> throw result.exception
is Result.Loading -> throw Exception("Unexpected loading state")
}
} catch (e: ConflictException) {
throw e
} catch (e: Exception) {
throw Exception("Failed to sync report: ${e.message}", e)
}
}
/**
* Serialize order data for transmission.
*/
private fun serializeOrderData(data: Any): ByteArray {
// TODO: Use proper JSON serialization (e.g., Jackson, Gson)
// For now, return empty array as placeholder
return ByteArray(0)
}
/**
* Serialize evidence data for transmission.
*/
private fun serializeEvidenceData(data: Any): ByteArray {
// TODO: Use proper JSON serialization
return ByteArray(0)
}
/**
* Serialize credential data for transmission.
*/
private fun serializeCredentialData(data: Any): ByteArray {
// TODO: Use proper JSON serialization
return ByteArray(0)
}
/**
* Serialize directory entry data for transmission.
*/
private fun serializeDirectoryEntryData(data: Any): ByteArray {
// TODO: Use proper JSON serialization
return ByteArray(0)
}
/**
* Serialize report data for transmission.
*/
private fun serializeReportData(data: Any): ByteArray {
// TODO: Use proper JSON serialization
return ByteArray(0)
}
/**
* Check if offline duration threshold has been exceeded.
*/
fun checkOfflineDuration(lastSyncTime: Date, maxOfflineDurationMs: Long): Boolean {
val now = Date()
val offlineDuration = now.time - lastSyncTime.time
return offlineDuration > maxOfflineDurationMs
}
/**
* Purge data that exceeds offline duration threshold.
*/
suspend fun purgeExpiredOfflineData(maxOfflineDurationMs: Long) {
// Purge expired items from sync queue
val now = Date()
val expiredItems = syncQueue.filter { item ->
val itemAge = now.time - item.timestamp.time
itemAge > maxOfflineDurationMs
}
syncQueue.removeAll(expiredItems)
// TODO: Integrate with individual services to purge expired data
// This would:
// 1. Check each data type's offline duration policy
// 2. Remove expired data from local storage
// 3. Log purging events
}
}
/**
* Sync item types.
*/
enum class SyncItemType {
Order,
Evidence,
Credential,
Directory,
Report
}
/**
* Item to be synchronized.
*/
data class SyncItem(
val id: String,
val type: SyncItemType,
val data: Any,
val timestamp: Date = Date(),
val operation: SyncOperation = SyncOperation.Update
)
/**
* Sync operations.
*/
enum class SyncOperation {
Create,
Update,
Delete
}
/**
* Sync state.
*/
sealed class SyncState {
object Idle : SyncState()
object WaitingForConnection : SyncState()
data class Syncing(val itemsRemaining: Int) : SyncState()
data class Error(val message: String) : SyncState()
}
/**
* Conflict exception.
*/
class ConflictException(
val localData: Any,
val remoteData: Any,
message: String
) : Exception(message)
/**
* Conflict resolver.
*/
class ConflictResolver {
fun resolveConflict(item: SyncItem, exception: ConflictException): ConflictResolution {
// Default strategy: use remote (server wins)
// Can be customized based on item type or policy
return ConflictResolution.UseRemote
}
}
/**
* Conflict resolution strategies.
*/
sealed class ConflictResolution {
object UseLocal : ConflictResolution()
object UseRemote : ConflictResolution()
data class Merge(val mergedData: Any) : ConflictResolution()
}

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package com.smoa.core.common.di
import android.content.Context
import com.smoa.core.common.ConnectivityManager
import com.smoa.core.common.FoldableStateManager
import dagger.Module
import dagger.Provides
import dagger.hilt.InstallIn
import dagger.hilt.android.qualifiers.ApplicationContext
import dagger.hilt.components.SingletonComponent
import javax.inject.Singleton
@Module
@InstallIn(SingletonComponent::class)
object CommonModule {
@Provides
@Singleton
fun provideFoldableStateManager(): FoldableStateManager {
return FoldableStateManager()
}
@Provides
@Singleton
fun provideConnectivityManager(
@ApplicationContext context: Context
): ConnectivityManager {
return ConnectivityManager(context)
}
@Provides
@Singleton
fun provideSyncService(
@ApplicationContext context: Context,
connectivityManager: ConnectivityManager
): com.smoa.core.common.SyncService {
return com.smoa.core.common.SyncService(context, connectivityManager)
}
@Provides
@Singleton
fun provideOfflinePolicyManager(): com.smoa.core.common.OfflinePolicyManager {
return com.smoa.core.common.OfflinePolicyManager()
}
}

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package com.smoa.core.common
import io.mockk.MockKMatcherScope
import io.mockk.coEvery
import io.mockk.coVerify
import io.mockk.mockk
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.flowOf
/**
* Mock helpers for common test scenarios.
*/
object MockHelpers {
/**
* Create a mock that returns a successful Result.
*/
inline fun <reified T> mockSuccess(value: T): T {
return mockk<T> {
// Add common mock behaviors here
}
}
/**
* Create a mock that returns a failed Result.
*/
inline fun <reified T> mockFailure(exception: Exception): T {
return mockk<T> {
// Add common mock behaviors here
}
}
/**
* Create a Flow mock that emits a single value.
*/
fun <T> mockFlow(value: T): Flow<T> = flowOf(value)
/**
* Create a Flow mock that emits multiple values.
*/
fun <T> mockFlow(vararg values: T): Flow<T> = flowOf(*values)
}
/**
* Extension function for coEvery with Result.
*/
fun <T> MockKMatcherScope.coEveryResult(
block: suspend MockKMatcherScope.() -> Result<T>
): Result<T> {
return coEvery { block() }
}
/**
* Extension function for coVerify with Result.
*/
fun <T> MockKMatcherScope.coVerifyResult(
verifyBlock: suspend MockKMatcherScope.(Result<T>) -> Unit
) {
coVerify { verifyBlock(any()) }
}

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package com.smoa.core.common
import org.junit.Assert.*
import org.junit.Test
import java.util.Date
/**
* Unit tests for OfflinePolicyManager.
*/
class OfflinePolicyManagerTest {
private val policyManager = OfflinePolicyManager()
@Test
fun `getMaxOfflineDuration should return correct duration for each type`() {
// When
val credentialDuration = policyManager.getMaxOfflineDuration(OfflineDataType.Credential)
val orderDuration = policyManager.getMaxOfflineDuration(OfflineDataType.Order)
val evidenceDuration = policyManager.getMaxOfflineDuration(OfflineDataType.Evidence)
// Then
assertTrue(credentialDuration > 0)
assertTrue(orderDuration > 0)
assertTrue(evidenceDuration > 0)
assertTrue(evidenceDuration > orderDuration) // Evidence has longer retention
}
@Test
fun `isOfflineDataValid should return true for recent data`() {
// Given
val recentDate = Date(System.currentTimeMillis() - (1 * 24 * 60 * 60 * 1000L)) // 1 day ago
// When
val result = policyManager.isOfflineDataValid(recentDate, OfflineDataType.Credential)
// Then
assertTrue(result)
}
@Test
fun `isOfflineDataValid should return false for expired data`() {
// Given
val oldDate = Date(System.currentTimeMillis() - (100 * 24 * 60 * 60 * 1000L)) // 100 days ago
// When
val result = policyManager.isOfflineDataValid(oldDate, OfflineDataType.Credential)
// Then
assertFalse(result)
}
@Test
fun `shouldPurgeOfflineData should return true for expired data`() {
// Given
val oldDate = Date(System.currentTimeMillis() - (100 * 24 * 60 * 60 * 1000L))
// When
val result = policyManager.shouldPurgeOfflineData(oldDate, OfflineDataType.Credential)
// Then
assertTrue(result)
}
@Test
fun `getTimeUntilExpiration should return positive value for valid data`() {
// Given
val recentDate = Date(System.currentTimeMillis() - (1 * 24 * 60 * 60 * 1000L))
// When
val timeRemaining = policyManager.getTimeUntilExpiration(recentDate, OfflineDataType.Credential)
// Then
assertTrue(timeRemaining > 0)
}
}

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package com.smoa.core.common
import com.smoa.core.common.SyncAPI
import com.smoa.core.common.SyncResponse
import io.mockk.coEvery
import io.mockk.mockk
import kotlinx.coroutines.test.runTest
import org.junit.Assert.*
import org.junit.Test
import java.util.Date
/**
* Unit tests for SyncService.
*/
class SyncServiceTest {
private val context = mockk<android.content.Context>(relaxed = true)
private val connectivityManager = mockk<ConnectivityManager>(relaxed = true)
private val syncAPI = mockk<SyncAPI>(relaxed = true)
private val syncService = SyncService(context, connectivityManager, syncAPI)
@Test
fun `queueSync should add item to queue`() = runTest {
// Given
val item = SyncItem(
id = "test1",
type = SyncItemType.Order,
data = "test data"
)
every { connectivityManager.isOnline() } returns false
// When
syncService.queueSync(item)
// Then
// Item should be queued (we can't directly verify queue, but sync should work)
assertTrue(true) // Placeholder - would verify queue state if exposed
}
@Test
fun `startSync should sync items when online`() = runTest {
// Given
val item = SyncItem(
id = "test1",
type = SyncItemType.Order,
data = "test data"
)
every { connectivityManager.isOnline() } returns true
coEvery { syncAPI.syncOrder(any()) } returns Result.success(
SyncResponse(
success = true,
itemId = "test1",
serverTimestamp = System.currentTimeMillis()
)
)
// When
syncService.queueSync(item)
syncService.startSync()
// Then
// Sync should complete successfully
assertTrue(true) // Placeholder - would verify sync state
}
@Test
fun `checkOfflineDuration should return true when exceeded`() {
// Given
val lastSyncTime = Date(System.currentTimeMillis() - (8 * 24 * 60 * 60 * 1000L)) // 8 days ago
val maxDuration = 7L * 24 * 60 * 60 * 1000L // 7 days
// When
val result = syncService.checkOfflineDuration(lastSyncTime, maxDuration)
// Then
assertTrue(result)
}
@Test
fun `checkOfflineDuration should return false when within limit`() {
// Given
val lastSyncTime = Date(System.currentTimeMillis() - (5 * 24 * 60 * 60 * 1000L)) // 5 days ago
val maxDuration = 7L * 24 * 60 * 60 * 1000L // 7 days
// When
val result = syncService.checkOfflineDuration(lastSyncTime, maxDuration)
// Then
assertFalse(result)
}
}

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package com.smoa.core.common
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.ExperimentalCoroutinesApi
import kotlinx.coroutines.test.StandardTestDispatcher
import kotlinx.coroutines.test.TestDispatcher
import kotlinx.coroutines.test.resetMain
import kotlinx.coroutines.test.setMain
import org.junit.rules.TestWatcher
import org.junit.runner.Description
/**
* JUnit rule for testing coroutines.
* Provides a test dispatcher and manages coroutine context.
*/
@OptIn(ExperimentalCoroutinesApi::class)
class TestCoroutineRule(
private val testDispatcher: TestDispatcher = StandardTestDispatcher()
) : TestWatcher() {
override fun starting(description: Description) {
super.starting(description)
Dispatchers.setMain(testDispatcher)
}
override fun finished(description: Description) {
super.finished(description)
Dispatchers.resetMain()
}
fun runTest(block: suspend () -> Unit) {
testDispatcher.scheduler.advanceUntilIdle()
}
}

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package com.smoa.core.common
/**
* Test utilities and helpers.
*/
object TestUtils {
/**
* Create a test connectivity manager.
*/
fun createTestConnectivityManager(): ConnectivityManager {
// This would be a mock or test implementation
// For now, return a placeholder
throw NotImplementedError("Test implementation needed")
}
}