From 97a7fa9892223a44454ece601e17bca297c1f082 Mon Sep 17 00:00:00 2001
From: Alexej Hlinka <gasstan@gmail.com>
Date: Tue, 3 Jan 2023 14:27:42 +0100
Subject: [PATCH] [#664] - transaction history, not fully implemented

---
 .idea/codeStyles/Project.xml                  |  2 -
 .../co/electriccoin/zcash/ui/Navigation.kt    | 11 ++-
 .../zcash/ui/history/AndroidHistory.kt        | 35 +++++++
 .../zcash/ui/history/view/HistoryView.kt      | 99 +++++++++++++++++++
 .../zcash/ui/screen/home/AndroidHome.kt       | 10 +-
 .../zcash/ui/screen/home/view/HomeView.kt     |  8 ++
 .../screen/home/viewmodel/WalletViewModel.kt  | 17 ++++
 .../src/main/res/ui/home/values/strings.xml   |  1 +
 8 files changed, 177 insertions(+), 6 deletions(-)
 create mode 100644 ui-lib/src/main/java/co/electriccoin/zcash/ui/history/AndroidHistory.kt
 create mode 100644 ui-lib/src/main/java/co/electriccoin/zcash/ui/history/view/HistoryView.kt

diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
index 35827e30..4725ed8b 100644
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -6,8 +6,6 @@
           <package name="kotlinx.android.synthetic" alias="false" withSubpackages="true" />
         </value>
       </option>
-      <option name="NAME_COUNT_TO_USE_STAR_IMPORT" value="2147483647" />
-      <option name="NAME_COUNT_TO_USE_STAR_IMPORT_FOR_MEMBERS" value="2147483647" />
     </JetCodeStyleSettings>
     <codeStyleSettings language="XML">
       <option name="FORCE_REARRANGE_MODE" value="1" />
diff --git a/ui-lib/src/main/java/co/electriccoin/zcash/ui/Navigation.kt b/ui-lib/src/main/java/co/electriccoin/zcash/ui/Navigation.kt
index 41f9144c..e56e76c0 100644
--- a/ui-lib/src/main/java/co/electriccoin/zcash/ui/Navigation.kt
+++ b/ui-lib/src/main/java/co/electriccoin/zcash/ui/Navigation.kt
@@ -8,6 +8,7 @@ import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.rememberNavController
 import co.electriccoin.zcash.ui.NavigationTargets.ABOUT
+import co.electriccoin.zcash.ui.NavigationTargets.HISTORY
 import co.electriccoin.zcash.ui.NavigationTargets.HOME
 import co.electriccoin.zcash.ui.NavigationTargets.PROFILE
 import co.electriccoin.zcash.ui.NavigationTargets.REQUEST
@@ -17,6 +18,7 @@ import co.electriccoin.zcash.ui.NavigationTargets.SEND
 import co.electriccoin.zcash.ui.NavigationTargets.SETTINGS
 import co.electriccoin.zcash.ui.NavigationTargets.SUPPORT
 import co.electriccoin.zcash.ui.NavigationTargets.WALLET_ADDRESS_DETAILS
+import co.electriccoin.zcash.ui.history.WrapHistory
 import co.electriccoin.zcash.ui.screen.about.WrapAbout
 import co.electriccoin.zcash.ui.screen.address.WrapWalletAddresses
 import co.electriccoin.zcash.ui.screen.home.WrapHome
@@ -44,7 +46,8 @@ internal fun MainActivity.Navigation() {
                 goScan = { navController.navigateJustOnce(SCAN) },
                 goProfile = { navController.navigateJustOnce(PROFILE) },
                 goSend = { navController.navigateJustOnce(SEND) },
-                goRequest = { navController.navigateJustOnce(REQUEST) }
+                goRequest = { navController.navigateJustOnce(REQUEST) },
+                goHistory = { navController.navigateJustOnce(HISTORY) }
             )
 
             WrapCheckForUpdate()
@@ -108,6 +111,10 @@ internal fun MainActivity.Navigation() {
                 goBack = { navController.popBackStackJustOnce(SCAN) }
             )
         }
+
+        composable(HISTORY) {
+            WrapHistory(goBack = { navController.navigateUp() })
+        }
     }
 }
 
@@ -152,6 +159,8 @@ object NavigationTargets {
 
     const val REQUEST = "request"
 
+    const val HISTORY = "history"
+
     const val SEND = "send"
 
     const val SUPPORT = "support"
diff --git a/ui-lib/src/main/java/co/electriccoin/zcash/ui/history/AndroidHistory.kt b/ui-lib/src/main/java/co/electriccoin/zcash/ui/history/AndroidHistory.kt
new file mode 100644
index 00000000..8e086d91
--- /dev/null
+++ b/ui-lib/src/main/java/co/electriccoin/zcash/ui/history/AndroidHistory.kt
@@ -0,0 +1,35 @@
+package co.electriccoin.zcash.ui.history
+
+import androidx.activity.ComponentActivity
+import androidx.activity.viewModels
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import co.electriccoin.zcash.ui.MainActivity
+import co.electriccoin.zcash.ui.history.view.History
+import co.electriccoin.zcash.ui.screen.home.viewmodel.WalletViewModel
+
+@Composable
+internal fun MainActivity.WrapHistory(
+    goBack: () -> Unit
+) {
+    WrapHistory(
+        activity = this,
+        goBack = goBack
+    )
+}
+
+@Composable
+internal fun WrapHistory(
+    activity: ComponentActivity,
+    goBack: () -> Unit
+) {
+    val walletViewModel by activity.viewModels<WalletViewModel>()
+
+    val transactionHistory by walletViewModel.transactionHistory.collectAsState()
+
+    History(
+        transactions = transactionHistory,
+        goBack = goBack
+    )
+}
\ No newline at end of file
diff --git a/ui-lib/src/main/java/co/electriccoin/zcash/ui/history/view/HistoryView.kt b/ui-lib/src/main/java/co/electriccoin/zcash/ui/history/view/HistoryView.kt
new file mode 100644
index 00000000..679d6e18
--- /dev/null
+++ b/ui-lib/src/main/java/co/electriccoin/zcash/ui/history/view/HistoryView.kt
@@ -0,0 +1,99 @@
+package co.electriccoin.zcash.ui.history.view
+
+import android.annotation.SuppressLint
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.sp
+import cash.z.ecc.android.sdk.internal.twig
+import cash.z.ecc.android.sdk.model.TransactionOverview
+import cash.z.ecc.sdk.ext.ui.model.toZecString
+import cash.z.ecc.sdk.ext.ui.toFiatString
+import cash.z.ecc.sdk.model.CurrencyConversion
+import co.electriccoin.zcash.ui.R
+import co.electriccoin.zcash.ui.design.component.Body
+import co.electriccoin.zcash.ui.design.component.GradientSurface
+import co.electriccoin.zcash.ui.design.component.Small
+import co.electriccoin.zcash.ui.design.theme.ZcashTheme
+
+@Composable
+fun ComposablePreview() {
+    ZcashTheme(darkTheme = true) {
+        GradientSurface {
+            History(transactions = listOf(), goBack = {})
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun History(
+    transactions: List<TransactionOverview>,
+    goBack: () -> Unit
+) {
+    Scaffold(topBar = {
+        HistoryTopBar(onBack = goBack)
+    }) { paddingValues ->
+        LazyColumn(Modifier.padding(paddingValues)) {
+            items(transactions) {
+                TransactionHistoryItem(it)
+            }
+        }
+    }
+}
+
+@Composable
+fun TransactionHistoryItem(transaction: TransactionOverview) {
+    Row(modifier = Modifier.fillMaxWidth(), verticalAlignment = Alignment.CenterVertically) {
+        Image(
+            painter = painterResource(id = co.electriccoin.zcash.ui.design.R.drawable.ic_dollar_currency_symbol),
+            contentDescription = "")
+        Column {
+            Body(text = "sent tx")
+            Small(text = "description", textAlign = TextAlign.Start)
+        }
+        Spacer(modifier = Modifier.weight(0.2f))
+        Column(horizontalAlignment = Alignment.End) {
+            Text(text = transaction.netValue.toZecString(), fontSize = 18.sp)
+            Body(text = transaction.feePaid.toZecString())
+        }
+    }
+}
+
+@Composable
+@OptIn(ExperimentalMaterial3Api::class)
+private fun HistoryTopBar(onBack: () -> Unit) {
+    TopAppBar(
+        title = { Text(text = stringResource(id = R.string.about_title)) },
+        navigationIcon = {
+            IconButton(
+                onClick = onBack
+            ) {
+                Icon(
+                    imageVector = Icons.Filled.ArrowBack,
+                    contentDescription = stringResource(R.string.about_back_content_description)
+                )
+            }
+        }
+    )
+}
\ No newline at end of file
diff --git a/ui-lib/src/main/java/co/electriccoin/zcash/ui/screen/home/AndroidHome.kt b/ui-lib/src/main/java/co/electriccoin/zcash/ui/screen/home/AndroidHome.kt
index 210cd202..f25b6ca5 100644
--- a/ui-lib/src/main/java/co/electriccoin/zcash/ui/screen/home/AndroidHome.kt
+++ b/ui-lib/src/main/java/co/electriccoin/zcash/ui/screen/home/AndroidHome.kt
@@ -24,14 +24,16 @@ internal fun MainActivity.WrapHome(
     goScan: () -> Unit,
     goProfile: () -> Unit,
     goSend: () -> Unit,
-    goRequest: () -> Unit
+    goRequest: () -> Unit,
+    goHistory: () -> Unit,
 ) {
     WrapHome(
         this,
         goScan = goScan,
         goProfile = goProfile,
         goSend = goSend,
-        goRequest = goRequest
+        goRequest = goRequest,
+        goHistory = goHistory
     )
 }
 
@@ -42,7 +44,8 @@ internal fun WrapHome(
     goScan: () -> Unit,
     goProfile: () -> Unit,
     goSend: () -> Unit,
-    goRequest: () -> Unit
+    goRequest: () -> Unit,
+    goHistory: () -> Unit,
 ) {
     // we want to show information about app update, if available
     val checkUpdateViewModel by activity.viewModels<CheckUpdateViewModel> {
@@ -77,6 +80,7 @@ internal fun WrapHome(
             transactionSnapshot,
             goScan = goScan,
             goRequest = goRequest,
+            goHistory = goHistory,
             goSend = goSend,
             goProfile = goProfile,
             isDebugMenuEnabled = isDebugMenuEnabled,
diff --git a/ui-lib/src/main/java/co/electriccoin/zcash/ui/screen/home/view/HomeView.kt b/ui-lib/src/main/java/co/electriccoin/zcash/ui/screen/home/view/HomeView.kt
index dfefd22d..7371f974 100644
--- a/ui-lib/src/main/java/co/electriccoin/zcash/ui/screen/home/view/HomeView.kt
+++ b/ui-lib/src/main/java/co/electriccoin/zcash/ui/screen/home/view/HomeView.kt
@@ -72,6 +72,7 @@ fun ComposablePreview() {
                 goProfile = {},
                 goSend = {},
                 goRequest = {},
+                goHistory = {},
                 resetSdk = {},
                 wipeEntireWallet = {},
                 isDebugMenuEnabled = false,
@@ -91,6 +92,7 @@ fun Home(
     goProfile: () -> Unit,
     goSend: () -> Unit,
     goRequest: () -> Unit,
+    goHistory: () -> Unit,
     resetSdk: () -> Unit,
     wipeEntireWallet: () -> Unit,
     isDebugMenuEnabled: Boolean,
@@ -107,6 +109,7 @@ fun Home(
             goProfile = goProfile,
             goSend = goSend,
             goRequest = goRequest,
+            goHistory = goHistory,
             updateAvailable = updateAvailable
         )
     }
@@ -184,6 +187,7 @@ private fun HomeMainContent(
     goProfile: () -> Unit,
     goSend: () -> Unit,
     goRequest: () -> Unit,
+    goHistory: () -> Unit,
     updateAvailable: Boolean
 ) {
     Column(Modifier.verticalScroll(rememberScrollState())) {
@@ -219,6 +223,8 @@ private fun HomeMainContent(
 
         TertiaryButton(onClick = goRequest, text = stringResource(R.string.home_button_request))
 
+        TertiaryButton(onClick = goHistory, text = stringResource(R.string.home_button_history))
+
         History(transactionHistory)
     }
 }
@@ -295,12 +301,14 @@ private fun Status(
                             amount = walletDisplayValues.fiatCurrencyAmountText
                         )
                     }
+
                     is FiatCurrencyConversionRateState.Stale -> {
                         // Note: we should show information about staleness too
                         BodyWithFiatCurrencySymbol(
                             amount = walletDisplayValues.fiatCurrencyAmountText
                         )
                     }
+
                     is FiatCurrencyConversionRateState.Unavailable -> {
                         Body(text = walletDisplayValues.fiatCurrencyAmountText)
                     }
diff --git a/ui-lib/src/main/java/co/electriccoin/zcash/ui/screen/home/viewmodel/WalletViewModel.kt b/ui-lib/src/main/java/co/electriccoin/zcash/ui/screen/home/viewmodel/WalletViewModel.kt
index 05c8df12..b74a4acb 100644
--- a/ui-lib/src/main/java/co/electriccoin/zcash/ui/screen/home/viewmodel/WalletViewModel.kt
+++ b/ui-lib/src/main/java/co/electriccoin/zcash/ui/screen/home/viewmodel/WalletViewModel.kt
@@ -172,6 +172,20 @@ class WalletViewModel(application: Application) : AndroidViewModel(application)
             null
         )
 
+    @OptIn(ExperimentalCoroutinesApi::class)
+    val transactionHistory = synchronizer
+        .flatMapLatest {
+            if (null == it) {
+                flowOf(emptyList())
+            } else {
+                it.toTransactionHistory()
+            }
+        }.stateIn(
+            viewModelScope,
+            SharingStarted.WhileSubscribed(ANDROID_STATE_FLOW_TIMEOUT),
+            emptyList()
+        )
+
     /**
      * Creates a wallet asynchronously and then persists it.  Clients observe
      * [secretState] to see the side effects.  This would be used for a user creating a new wallet.
@@ -387,3 +401,6 @@ private fun Synchronizer.toTransactions() =
             addAll(pending.map { CommonTransaction.Pending(it) })
         }
     }
+
+private fun Synchronizer.toTransactionHistory() = clearedTransactions.distinctUntilChanged()
+
diff --git a/ui-lib/src/main/res/ui/home/values/strings.xml b/ui-lib/src/main/res/ui/home/values/strings.xml
index 9730192c..7424ff15 100644
--- a/ui-lib/src/main/res/ui/home/values/strings.xml
+++ b/ui-lib/src/main/res/ui/home/values/strings.xml
@@ -3,6 +3,7 @@
     <string name="home_profile_content_description">Profile</string>
     <string name="home_button_send">Send</string>
     <string name="home_button_request">Request ZEC</string>
+    <string name="home_button_history">Transaction History</string>
 
     <string name="home_status_syncing_format" formatted="true">Syncing - <xliff:g id="synced_percent" example="50">%1$d</xliff:g>%%</string> <!-- double %% for escaping -->
     <string name="home_status_syncing_catchup">Syncing</string>