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Updated on 2026-08-14

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Tangem 2025-10-15 15:59:43 +07:00
parent b92bb00c7f
commit 5e6bf6aaae
14 changed files with 172 additions and 109 deletions
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1
features/wallet/api/src/main/kotlin/com/tangem/features/wallet/utils/UserWalletImageFetcher.kt
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@ -9,6 +9,7 @@ import kotlinx.coroutines.flow.Flow
interface UserWalletImageFetcher {
fun allWallets(size: ArtworkSize): Flow<Map<UserWalletId, UserWalletItemUM.ImageState>>
fun walletImage(walletId: UserWalletId, size: ArtworkSize): Flow<UserWalletItemUM.ImageState>
fun walletImage(cardDTO: CardDTO, size: ArtworkSize): Flow<UserWalletItemUM.ImageState>
fun walletImage(wallet: UserWallet, size: ArtworkSize): Flow<UserWalletItemUM.ImageState>

17
features/wallet/impl/src/main/java/com/tangem/feature/wallet/utils/DefaultUserWalletImageFetcher.kt
View file

@ -9,6 +9,7 @@ import com.tangem.domain.models.wallet.UserWallet
import com.tangem.domain.models.wallet.UserWalletId
import com.tangem.domain.wallets.usecase.GetCardImageUseCase
import com.tangem.domain.wallets.usecase.GetUserWalletUseCase
import com.tangem.domain.wallets.usecase.GetWalletsUseCase
import com.tangem.features.wallet.utils.UserWalletImageFetcher
import com.tangem.operations.attestation.ArtworkSize
import kotlinx.coroutines.flow.*
@ -17,12 +18,21 @@ import javax.inject.Inject
class DefaultUserWalletImageFetcher @Inject constructor(
private val getCardImageUseCase: GetCardImageUseCase,
private val getUserWalletUseCase: GetUserWalletUseCase,
private val getWalletsUseCase: GetWalletsUseCase,
private val artworkUMConverter: ArtworkUMConverter,
) : UserWalletImageFetcher {
private val smallCache = MutableStateFlow(mapOf<String, ArtworkUM>())
private val largeCache = MutableStateFlow(mapOf<String, ArtworkUM>())
override fun allWallets(size: ArtworkSize): Flow<Map<UserWalletId, UserWalletItemUM.ImageState>> =
getWalletsUseCase.invoke()
.map { list -> list.map { it.walletId } }
.distinctUntilChanged()
.map { list -> list.map { walletId -> walletImage(walletId, size).map { image -> walletId to image } } }
.flatMapLatest { flows -> combine(flows) { it.toMap() } }
.distinctUntilChanged()
override fun walletImage(wallet: UserWallet, size: ArtworkSize): Flow<UserWalletItemUM.ImageState> = when (wallet) {
is UserWallet.Cold -> walletImage(wallet.scanResponse.card, size)
is UserWallet.Hot -> flowOf(UserWalletItemUM.ImageState.MobileWallet)
@ -31,11 +41,8 @@ class DefaultUserWalletImageFetcher @Inject constructor(
override fun walletsImage(
wallets: Collection<UserWallet>,
size: ArtworkSize,
): Flow<Map<UserWalletId, UserWalletItemUM.ImageState>> = wallets
.map { userWallet -> walletImage(userWallet, size).map { imageState -> userWallet.walletId to imageState } }
.merge()
.runningFold(mapOf<UserWalletId, UserWalletItemUM.ImageState>()) { map, newState -> map.plus(newState) }
.filter { it.size >= wallets.size } // prevent spam, waiting full map
): Flow<Map<UserWalletId, UserWalletItemUM.ImageState>> = allWallets(size)
.map { allWallets -> allWallets.filter { (walletId, _) -> wallets.any { it.walletId == walletId } } }
.distinctUntilChanged()
override fun walletImage(walletId: UserWalletId, size: ArtworkSize): Flow<UserWalletItemUM.ImageState> = flow {