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Updated on 2026-08-14

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Tangem 2023-08-16 16:53:42 +03:00
parent 72a1365157
commit f4ab3116fe
6 changed files with 27 additions and 39 deletions
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26
core/datasource/src/main/java/com/tangem/datasource/local/appcurrency/MockSelectedAppCurrencyStore.kt
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@ -1,26 +0,0 @@
package com.tangem.datasource.local.appcurrency
import com.tangem.datasource.api.tangemTech.models.CurrenciesResponse
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.flowOf
// TODO: Will be implemented in [REDACTED_TASK_KEY] task
internal class MockSelectedAppCurrencyStore : SelectedAppCurrencyStore {
override fun get(): Flow<CurrenciesResponse.Currency> {
return flowOf(
CurrenciesResponse.Currency(
id = "usd",
code = "USD",
name = "US Dollar",
unit = "$",
type = "fiat",
rateBTC = "",
),
)
}
override suspend fun store(item: CurrenciesResponse.Currency) {
/* no-op */
}
}

2
core/datasource/src/main/java/com/tangem/datasource/local/appcurrency/SelectedAppCurrencyStore.kt
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@ -8,4 +8,6 @@ interface SelectedAppCurrencyStore {
fun get(): Flow<CurrenciesResponse.Currency>
suspend fun store(item: CurrenciesResponse.Currency)
suspend fun isEmpty(): Boolean
}

7
core/datasource/src/main/java/com/tangem/datasource/local/appcurrency/implementation/DefaultSelectedAppCurrencyStore.kt
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@ -7,4 +7,9 @@ import com.tangem.datasource.local.datastore.core.StringKeyDataStore
internal class DefaultSelectedAppCurrencyStore(
dataStore: StringKeyDataStore<CurrenciesResponse.Currency>,
) : SelectedAppCurrencyStore, KeylessDataStoreDecorator<CurrenciesResponse.Currency>(dataStore)
) : SelectedAppCurrencyStore, KeylessDataStoreDecorator<CurrenciesResponse.Currency>(dataStore) {
override suspend fun isEmpty(): Boolean {
return getSyncOrNull() == null
}
}

6
core/datasource/src/main/java/com/tangem/datasource/local/datastore/core/KeylessDataStoreDecorator.kt
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@ -10,15 +10,15 @@ internal abstract class KeylessDataStoreDecorator<Value : Any>(
return STRING_KEY
}
fun get(): Flow<Value> {
open fun get(): Flow<Value> {
return get(Unit)
}
suspend fun getSyncOrNull(): Value? {
open suspend fun getSyncOrNull(): Value? {
return getSyncOrNull(Unit)
}
suspend fun store(item: Value) {
open suspend fun store(item: Value) {
store(Unit, item)
}

21
data/app-currency/src/main/kotlin/com/tangem/data/appcurrency/DefaultAppCurrencyRepository.kt
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@ -10,9 +10,9 @@ import com.tangem.domain.appcurrency.model.AppCurrency
import com.tangem.domain.appcurrency.repository.AppCurrencyRepository
import com.tangem.utils.coroutines.CoroutineDispatcherProvider
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.flowOn
import kotlinx.coroutines.flow.channelFlow
import kotlinx.coroutines.flow.map
import kotlinx.coroutines.flow.onEmpty
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import org.joda.time.Duration
import timber.log.Timber
@ -27,11 +27,18 @@ internal class DefaultAppCurrencyRepository(
private val appCurrencyConverter = AppCurrencyConverter()
override fun getSelectedAppCurrency(): Flow<AppCurrency> {
return selectedAppCurrencyStore.get()
.onEmpty { fetchDefaultAppCurrency() }
.map(appCurrencyConverter::convert)
.flowOn(dispatchers.io)
override fun getSelectedAppCurrency(): Flow<AppCurrency> = channelFlow {
launch(dispatchers.io) {
selectedAppCurrencyStore.get()
.map(appCurrencyConverter::convert)
.collect(::send)
}
launch(dispatchers.io) {
if (selectedAppCurrencyStore.isEmpty()) {
fetchDefaultAppCurrency()
}
}
}
override suspend fun getAvailableAppCurrencies(): List<AppCurrency> {

4
data/tokens/src/main/kotlin/com/tangem/data/tokens/repository/DefaultCurrenciesRepository.kt
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@ -8,8 +8,8 @@ import com.tangem.datasource.api.tangemTech.TangemTechApi
import com.tangem.datasource.api.tangemTech.models.UserTokensResponse
import com.tangem.datasource.local.token.UserTokensStore
import com.tangem.datasource.local.userwallet.UserWalletsStore
import com.tangem.domain.core.error.DataError
import com.tangem.domain.common.util.derivationStyleProvider
import com.tangem.domain.core.error.DataError
import com.tangem.domain.demo.DemoConfig
import com.tangem.domain.tokens.models.CryptoCurrency
import com.tangem.domain.tokens.repository.CurrenciesRepository
@ -164,7 +164,7 @@ internal class DefaultCurrenciesRepository(
tangemTechApi.saveUserTokens(userWallet.walletId.stringValue, response)
} else {
throw error
Timber.e(error, "Unable to fetch currencies for: ${userWallet.walletId}")
}
}