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Updated on 2026-08-14

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Tangem 2023-12-26 10:05:09 +03:00
parent f70d183814
commit e4f1557d72
6 changed files with 164 additions and 52 deletions
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48
data/txhistory/src/main/kotlin/com/tangem/data/txhistory/repository/paging/TxHistoryPagingSource.kt
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@ -2,8 +2,10 @@ package com.tangem.data.txhistory.repository.paging
import androidx.paging.PagingSource
import androidx.paging.PagingState
import com.tangem.blockchain.common.Blockchain
import com.tangem.data.common.cache.CacheRegistry
import com.tangem.datasource.local.txhistory.TxHistoryItemsStore
import com.tangem.domain.common.extensions.fromNetworkId
import com.tangem.domain.tokens.model.CryptoCurrency
import com.tangem.domain.txhistory.models.PaginationWrapper
import com.tangem.domain.txhistory.models.TxHistoryItem
@ -20,6 +22,8 @@ internal class TxHistoryPagingSource(
private val storeKey = TxHistoryItemsStore.Key(sourceParams.userWalletId, sourceParams.currency)
override val keyReuseSupported: Boolean get() = true
override fun getRefreshKey(state: PagingState<Int, TxHistoryItem>): Int? {
return state.anchorPosition?.let { anchorPosition ->
val anchorPage = state.closestPageToPosition(anchorPosition)
@ -70,14 +74,54 @@ internal class TxHistoryPagingSource(
}
private suspend fun fetch(pageToLoad: Int, pageSize: Int) {
val wrappedItems = walletManagersFacade.getTxHistoryItems(
var wrappedItems = walletManagersFacade.getTxHistoryItems(
userWalletId = sourceParams.userWalletId,
currency = sourceParams.currency,
page = pageToLoad,
pageSize = pageSize,
)
txHistoryItemsStore.store(storeKey, wrappedItems)
if (pageToLoad == 1) {
wrappedItems = wrappedItems.addRecentTransactions()
}
txHistoryItemsStore.store(key = storeKey, value = wrappedItems)
}
private suspend fun PaginationWrapper<TxHistoryItem>.addRecentTransactions(): PaginationWrapper<TxHistoryItem> {
val recentTxHistoryItems = Blockchain.fromNetworkId(sourceParams.currency.network.backendId)?.let {
walletManagersFacade.getRecentTransactions(
userWalletId = sourceParams.userWalletId,
blockchain = it,
derivationPath = sourceParams.currency.network.derivationPath.value,
)
.filterUnconfirmedTransaction()
.filterIfApiKnowsAboutTx(apiItems = items)
} ?: emptyList()
return if (recentTxHistoryItems.isEmpty()) {
Timber.d("Nothing to add to TxHistory")
this
} else {
Timber.d(
"Recent transactions were added to TxHistory: %s",
recentTxHistoryItems.joinToString(
prefix = "[",
postfix = "]",
transform = TxHistoryItem::txHash,
),
)
return copy(items = recentTxHistoryItems + items)
}
}
private fun List<TxHistoryItem>.filterUnconfirmedTransaction(): List<TxHistoryItem> {
return filter { it.status == TxHistoryItem.TransactionStatus.Unconfirmed }
}
private fun List<TxHistoryItem>.filterIfApiKnowsAboutTx(apiItems: List<TxHistoryItem>): List<TxHistoryItem> {
return filter { item -> apiItems.none { it.txHash == item.txHash } }
}
private fun getTxHistoryPageKey(page: Int): String {