[wallet] add clickable actions to transaction details screen

Bank confirmation can be reached from withdrawal screen and
digital fulfillment (http URI) from payment screen.

6 files changed, 62 insertions, 37 deletions

diff --git a/taler-kotlin-common/src/main/java/net/taler/common/AndroidUtils.kt b/taler-kotlin-common/src/main/java/net/taler/common/AndroidUtils.kt
index 64d5656..f171039 100644
--- a/taler-kotlin-common/src/main/java/net/taler/common/AndroidUtils.kt
+++ b/taler-kotlin-common/src/main/java/net/taler/common/AndroidUtils.kt
@@ -18,6 +18,8 @@ package net.taler.common
 
 import android.content.Context
 import android.content.Context.CONNECTIVITY_SERVICE
+import android.content.Intent
+import android.content.pm.PackageManager.MATCH_DEFAULT_ONLY
 import android.net.ConnectivityManager
 import android.net.NetworkCapabilities.NET_CAPABILITY_INTERNET
 import android.os.Build.VERSION.SDK_INT
@@ -75,6 +77,10 @@ fun Context.isOnline(): Boolean {
     }
 }
 
+fun Intent.isSafe(context: Context): Boolean {
+    return context.packageManager.queryIntentActivities(this, MATCH_DEFAULT_ONLY).isNotEmpty()
+}
+
 fun Fragment.navigate(directions: NavDirections) = findNavController().navigate(directions)
 
 fun Long.toRelativeTime(context: Context): CharSequence {
diff --git a/wallet/src/main/java/net/taler/wallet/transactions/TransactionDetailFragment.kt b/wallet/src/main/java/net/taler/wallet/transactions/TransactionDetailFragment.kt
index c9e51e4..9893852 100644
--- a/wallet/src/main/java/net/taler/wallet/transactions/TransactionDetailFragment.kt
+++ b/wallet/src/main/java/net/taler/wallet/transactions/TransactionDetailFragment.kt
@@ -16,12 +16,15 @@
 
 package net.taler.wallet.transactions
 
+import android.content.Intent
+import android.net.Uri
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
 import android.view.View
+import android.view.View.GONE
 import android.view.ViewGroup
 import android.widget.Toast
 import android.widget.Toast.LENGTH_LONG
@@ -33,6 +36,8 @@ import kotlinx.android.synthetic.main.fragment_transaction_withdrawal.*
 import kotlinx.android.synthetic.main.fragment_transaction_withdrawal.feeView
 import kotlinx.android.synthetic.main.fragment_transaction_withdrawal.timeView
 import net.taler.common.Amount
+import net.taler.common.AmountOverflowException
+import net.taler.common.isSafe
 import net.taler.common.toAbsoluteTime
 import net.taler.wallet.MainViewModel
 import net.taler.wallet.R
@@ -90,10 +95,22 @@ class TransactionDetailFragment : Fragment() {
     private fun bind(t: TransactionWithdrawal) {
         effectiveAmountLabel.text = getString(R.string.withdraw_total)
         effectiveAmountView.text = t.amountEffective.toString()
+        if (t.pending && !t.confirmed && t.bankConfirmationUrl != null) {
+            val i = Intent().apply {
+                data = Uri.parse(t.bankConfirmationUrl)
+            }
+            if (i.isSafe(requireContext())) {
+                confirmWithdrawalButton.setOnClickListener { startActivity(i) }
+            }
+        } else confirmWithdrawalButton.visibility = GONE
         chosenAmountLabel.text = getString(R.string.amount_chosen)
         chosenAmountView.text =
             getString(R.string.amount_positive, t.amountRaw.toString())
-        val fee = t.amountRaw - (t.amountEffective ?: t.amountRaw)
+        val fee = try {  // TODO remove when fixed in wallet-core
+            t.amountRaw - (t.amountEffective ?: t.amountRaw)
+        } catch (e: AmountOverflowException) {
+            (t.amountEffective ?: t.amountRaw) - t.amountRaw
+        }
         feeView.text = getString(R.string.amount_negative, fee.toString())
         exchangeView.text = cleanExchange(t.exchangeBaseUrl)
     }
@@ -117,6 +134,14 @@ class TransactionDetailFragment : Fragment() {
         orderAmountView.text = raw.toString()
         feeView.text = getString(R.string.amount_negative, fee.toString())
         orderSummaryView.text = info.summary
+        if (info.fulfillmentUrl.startsWith("http")) {
+            val i = Intent().apply {
+                data = Uri.parse(info.fulfillmentUrl)
+            }
+            if (i.isSafe(requireContext())) {
+                orderSummaryView.setOnClickListener { startActivity(i) }
+            }
+        }
         orderIdView.text = getString(R.string.transaction_order_id, info.orderId)
     }
 
diff --git a/wallet/src/main/java/net/taler/wallet/transactions/Transactions.kt b/wallet/src/main/java/net/taler/wallet/transactions/Transactions.kt
index 7f573ef..cff742f 100644
--- a/wallet/src/main/java/net/taler/wallet/transactions/Transactions.kt
+++ b/wallet/src/main/java/net/taler/wallet/transactions/Transactions.kt
@@ -140,7 +140,11 @@ class TransactionRefund(
     override val detailPageLayout = R.layout.fragment_transaction_payment
     override val amountType = AmountType.Positive
     override fun getTitle(context: Context): String {
-        return context.getString(R.string.transaction_refund, info.merchant.name)
+        return if (info.merchant.name == null) {
+            context.getString(R.string.transaction_refund_for, info.summary)
+        } else {
+            context.getString(R.string.transaction_refund_from, info.merchant.name)
+        }
     }
 }
 
diff --git a/wallet/src/main/res/layout/fragment_transaction_payment.xml b/wallet/src/main/res/layout/fragment_transaction_payment.xml
index 3f17464..20ba161 100644
--- a/wallet/src/main/res/layout/fragment_transaction_payment.xml
+++ b/wallet/src/main/res/layout/fragment_transaction_payment.xml
@@ -104,6 +104,7 @@
         <TextView
             android:id="@+id/orderSummaryView"
             style="@style/TransactionContent"
+            android:textColor="?android:textColorPrimary"
             app:layout_constraintBottom_toTopOf="@+id/orderIdView"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
@@ -113,6 +114,7 @@
         <TextView
             android:id="@+id/orderIdView"
             style="@style/TransactionLabel"
+            android:layout_marginBottom="16dp"
             android:text="@string/transaction_order_id"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
diff --git a/wallet/src/main/res/layout/fragment_transaction_withdrawal.xml b/wallet/src/main/res/layout/fragment_transaction_withdrawal.xml
index 5d30fcf..5a1e82f 100644
--- a/wallet/src/main/res/layout/fragment_transaction_withdrawal.xml
+++ b/wallet/src/main/res/layout/fragment_transaction_withdrawal.xml
@@ -47,40 +47,39 @@
 
         <TextView
             android:id="@+id/effectiveAmountView"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_marginStart="16dp"
-            android:layout_marginTop="8dp"
-            android:layout_marginEnd="16dp"
-            android:layout_marginBottom="16dp"
-            android:gravity="center"
+            style="@style/TransactionContent"
             android:textColor="@color/green"
-            android:textSize="24sp"
-            app:layout_constraintBottom_toTopOf="@+id/chosenAmountLabel"
+            app:layout_constraintBottom_toTopOf="@+id/confirmWithdrawalButton"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/effectiveAmountLabel"
             tools:text="23.42 TESTKUDOS" />
 
+        <Button
+            android:id="@+id/confirmWithdrawalButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:drawableLeft="@drawable/ic_account_balance"
+            android:drawableTint="?attr/colorOnPrimarySurface"
+            android:text="@string/withdraw_button_confirm_bank"
+            app:layout_constraintBottom_toTopOf="@+id/chosenAmountLabel"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/effectiveAmountView"
+            tools:ignore="RtlHardcoded" />
+
         <TextView
             android:id="@+id/chosenAmountLabel"
             style="@style/TransactionLabel"
             app:layout_constraintBottom_toTopOf="@+id/chosenAmountView"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/effectiveAmountView"
+            app:layout_constraintTop_toBottomOf="@+id/confirmWithdrawalButton"
             tools:text="@string/amount_chosen" />
 
         <TextView
             android:id="@+id/chosenAmountView"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_marginStart="16dp"
-            android:layout_marginTop="8dp"
-            android:layout_marginEnd="16dp"
-            android:layout_marginBottom="16dp"
-            android:gravity="center"
-            android:textSize="24sp"
+            style="@style/TransactionContent"
             app:layout_constraintBottom_toTopOf="@+id/feeLabel"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
@@ -98,15 +97,8 @@
 
         <TextView
             android:id="@+id/feeView"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_marginStart="16dp"
-            android:layout_marginTop="8dp"
-            android:layout_marginEnd="16dp"
-            android:layout_marginBottom="16dp"
-            android:gravity="center"
+            style="@style/TransactionContent"
             android:textColor="@color/red"
-            android:textSize="24sp"
             app:layout_constraintBottom_toTopOf="@+id/exchangeLabel"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
@@ -124,16 +116,9 @@
 
         <TextView
             android:id="@+id/exchangeView"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_marginStart="16dp"
-            android:layout_marginTop="8dp"
-            android:layout_marginEnd="16dp"
-            android:gravity="center"
-            android:textSize="24sp"
+            style="@style/TransactionContent"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintHorizontal_bias="0.5"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/exchangeLabel"
             tools:text="exchange.demo.taler.net" />
diff --git a/wallet/src/main/res/values/strings.xml b/wallet/src/main/res/values/strings.xml
index 58b432a..1f2d80c 100644
--- a/wallet/src/main/res/values/strings.xml
+++ b/wallet/src/main/res/values/strings.xml
@@ -81,7 +81,9 @@ GNU Taler is immune against many types of fraud, such as phishing of credit card
     <string name="transaction_tip_accepted">Tip Accepted</string>
     <string name="transaction_tip_declined">Tip Declined</string>
     <string name="transaction_tip_from">Tip from %s</string>
-    <string name="transaction_refund">Refund from %s</string>
+    <string name="transaction_refund">Refund</string>
+    <string name="transaction_refund_from">Refund from %s</string>
+    <string name="transaction_refund_for">Refund for %s</string>
     <string name="transaction_pending">PENDING</string>
     <string name="transaction_refresh">Coin expiry change fee</string>
     <string name="transaction_refresh_reason_manual">because of manual request</string>
@@ -110,6 +112,7 @@ GNU Taler is immune against many types of fraud, such as phishing of credit card
     <string name="withdraw_fees">Fee</string>
     <string name="withdraw_exchange">Exchange</string>
     <string name="withdraw_button_confirm">Confirm Withdraw</string>
+    <string name="withdraw_button_confirm_bank">Confirm with bank</string>
     <string name="withdraw_button_tos">Review Terms</string>
     <string name="withdraw_error_title">Withdrawal Error</string>
     <string name="withdraw_error_message">Withdrawing is currently not possible. Please try again later!</string>