shortcutAction

5 files changed, 119 insertions, 49 deletions

diff --git a/TalerWallet1/Views/Exchange/ManualWithdraw.swift b/TalerWallet1/Views/Exchange/ManualWithdraw.swift
index a50f64d..da6e34b 100644
--- a/TalerWallet1/Views/Exchange/ManualWithdraw.swift
+++ b/TalerWallet1/Views/Exchange/ManualWithdraw.swift
@@ -53,7 +53,8 @@ struct ManualWithdraw: View {
             CurrencyInputView(amount: $amountToTransfer,
                            available: nil,
                                title: iconOnly ? String(localized: "How much:")
-                                               : String(localized: "Amount to withdraw:"))
+                                               : String(localized: "Amount to withdraw:"),
+                      shortcutAction: nil)
                 .padding(.top)
             QuiteSomeCoins(someCoins: someCoins,
                        shouldShowFee: true,           // TODO: set to false if we never charge withdrawal fees
diff --git a/TalerWallet1/Views/HelperViews/CurrencyInputView.swift b/TalerWallet1/Views/HelperViews/CurrencyInputView.swift
index 8c3f7c2..3c9cbae 100644
--- a/TalerWallet1/Views/HelperViews/CurrencyInputView.swift
+++ b/TalerWallet1/Views/HelperViews/CurrencyInputView.swift
@@ -55,6 +55,7 @@ struct CurrencyInputView: View {
     @Binding var amount: Amount         // the `value´
     let available: Amount?
     let title: String
+    let shortcutAction: ((_ amount: Amount) -> Void)?
 
     @EnvironmentObject private var controller: Controller
     
@@ -63,11 +64,15 @@ struct CurrencyInputView: View {
     @State private var useShortcut = 0
 
     func action(shortcut: Int, currencyField: CurrencyField) {
-        useShortcut = shortcut
         let shortie = Amount(currency: amount.currencyStr, cent: UInt64(shortcut))      // TODO: adapt for ¥
-        currencyField.updateText(amount: shortie)
-        amount = shortie
-        currencyField.resignFirstResponder()
+        if let shortcutAction {
+            shortcutAction(shortie)
+        } else {
+            useShortcut = shortcut
+            currencyField.updateText(amount: shortie)
+            amount = shortie
+            currencyField.resignFirstResponder()
+        }
     }
 
     var body: some View {
@@ -168,7 +173,8 @@ fileprivate struct Previews: PreviewProvider {
 //            Preview_Content()
             CurrencyInputView(amount: $amountToTransfer,
                            available: nil,
-                               title: "Amount to withdraw:")
+                               title: "Amount to withdraw:",
+                      shortcutAction: nil)
                 .environmentObject(controller)
         }
     }
diff --git a/TalerWallet1/Views/Peer2peer/P2PSubjectV.swift b/TalerWallet1/Views/Peer2peer/P2PSubjectV.swift
index 5637946..d6a788c 100644
--- a/TalerWallet1/Views/Peer2peer/P2PSubjectV.swift
+++ b/TalerWallet1/Views/Peer2peer/P2PSubjectV.swift
@@ -6,33 +6,61 @@ import SwiftUI
 import taler_swift
 import SymLog
 
+func p2pFee(ppCheck: CheckPeerPushDebitResponse) -> Amount? {
+    do {
+        // Outgoing: fee = effective - raw
+        let fee = try ppCheck.amountEffective - ppCheck.amountRaw
+        return fee
+    } catch {}
+    return nil
+}
+
 struct P2PSubjectV: View {
     private let symLog = SymLogV(0)
     let stack: CallStack
-    let navTitle: String
-    let buttonTitle: String
-    let feeLabel: String
+    let feeLabel: String?
     let currencyInfo: CurrencyInfo
     let amountToSend: Bool
     @Binding var amountToTransfer: Amount
     @Binding var summary: String
     @Binding var expireDays: UInt
 
+    @EnvironmentObject private var model: WalletModel
     @AppStorage("iconOnly") var iconOnly: Bool = false
 
+    @State private var myFeeLabel: String = EMPTYSTRING
     @State private var transactionStarted: Bool = false
     @FocusState private var isFocused: Bool
 
+    private func buttonTitle(_ amount: Amount, _ currencyInfo: CurrencyInfo) -> String {
+        let amountWithCurrency = amount.string(currencyInfo, useSymbol: false)
+        return amountToSend ? String(localized: "Send \(amountWithCurrency) now",
+                                       comment: "amount with currency")
+                            : String(localized: "Request \(amountWithCurrency)",
+                                       comment: "amount with currency")
+    }
+
+    private func subjectTitle(_ amount: Amount, _ currencyInfo: CurrencyInfo) -> String {
+        let amountStr = amount.string(currencyInfo)
+        return amountToSend ? String(localized: "NavTitle_Send_AmountStr",
+                                  defaultValue: "Send \(amountStr)",
+                                       comment: "NavTitle: Send 'amountStr'")
+                            : String(localized: "NavTitle_Request_AmountStr",
+                                  defaultValue: "Request \(amountStr)",
+                                       comment: "NavTitle: Request 'amountStr'")
+    }
+
     var body: some View {
 #if DEBUG
         let _ = Self._printChanges()
-        let _ = symLog.vlog()       // just to get the # to compare it with .onAppear & onDisappear
+        let _ = symLog.vlog(amountToTransfer.readableDescription)       // just to get the # to compare it with .onAppear & onDisappear
 #endif
         ScrollView { VStack (alignment: .leading, spacing: 6) {
-            if feeLabel.count > 0 {
+            let label = feeLabel ?? myFeeLabel
+            if label.count > 0 {
                 HStack {
                     Spacer()
-                    Text(feeLabel)
+                    Text(label)
                         .foregroundColor(.red)
                         .accessibilityFont(.body)
                 }
@@ -85,13 +113,13 @@ struct P2PSubjectV: View {
                    amountToTransfer: amountToTransfer,
                  transactionStarted: $transactionStarted)
                 }) {
-                    Text(buttonTitle)
+                    Text(buttonTitle(amountToTransfer, currencyInfo))
                 }
                 .buttonStyle(TalerButtonStyle(type: .prominent))
                 .disabled(disabled)
                 .accessibilityHint(disabled ? "enabled when subject and expiration are set" : EMPTYSTRING)
         }.padding(.horizontal) } // ScrollVStack
-        .navigationTitle(navTitle)
+        .navigationTitle(subjectTitle(amountToTransfer, currencyInfo))
         .background(WalletColors().backgroundColor.edgesIgnoringSafeArea(.all))
         .onAppear {
             DebugViewC.shared.setViewID(VIEW_P2P_SUBJECT, stack: stack.push())
@@ -100,6 +128,19 @@ struct P2PSubjectV: View {
         .onDisappear {
 //            print("❗️ P2PSubjectV onDisappear")
         }
+        .task(id: amountToTransfer.value) {
+            if feeLabel == nil {
+                do {
+                    let ppCheck = try await model.checkPeerPushDebitM(amountToTransfer)
+                    if let feeAmount = p2pFee(ppCheck: ppCheck) {
+                        let feeStr = feeAmount.string(currencyInfo)
+                        myFeeLabel = String(localized: "+ \(feeStr) send fee")
+                    } else { myFeeLabel = EMPTYSTRING }
+                } catch {    // TODO: error
+                    symLog.log(error.localizedDescription)
+                }
+            }
+        }
     }
 }
 // MARK: -
diff --git a/TalerWallet1/Views/Peer2peer/RequestPayment.swift b/TalerWallet1/Views/Peer2peer/RequestPayment.swift
index 74205af..45c0441 100644
--- a/TalerWallet1/Views/Peer2peer/RequestPayment.swift
+++ b/TalerWallet1/Views/Peer2peer/RequestPayment.swift
@@ -20,6 +20,13 @@ struct RequestPayment: View {
 
     @State private var peerPullCheck: CheckPeerPullCreditResponse? = nil
     @State private var expireDays: UInt = 0
+    @State private var buttonSelected = false
+    @State private var amountShortcut = Amount.zero(currency: EMPTYSTRING)      // Update currency when used
+
+    private func shortcutAction(_ shortcut: Amount) {
+        amountShortcut = shortcut
+        buttonSelected = true
+    }
 
     var body: some View {
 #if DEBUG
@@ -32,41 +39,45 @@ struct RequestPayment: View {
         let navTitle = String(localized: "NavTitle_Request_Currency",
                            defaultValue: "Request \(currencySymbol)",
                                 comment: "NavTitle: Request 'currencySymbol'")
-        let amountStr = amountToTransfer.string(currencyInfo)
-        let amountWithCurrency = amountToTransfer.string(currencyInfo, useSymbol: false)
-        let buttonTitle = String(localized: "Request \(amountWithCurrency)", comment: "amount with currency")
-        let navTitle2 = String(localized: "NavTitle_Request_AmountStr",
-                            defaultValue: "Request \(amountStr)",
-                                 comment: "NavTitle: Request 'amountStr'")
-
         let someCoins = SomeCoins(details: peerPullCheck)
-        let p2pSubjectV = LazyView {
+        let _ = symLog.log("currency: \(currency)")
+        let inputDestination = LazyView {
             P2PSubjectV(stack: stack.push(),
-                 amountToSend: nil,
-              amountToReceive: amountToTransfer,
-                     navTitle: navTitle2,
-                  buttonTitle: buttonTitle,
                      feeLabel: someCoins.feeLabel(currencyInfo),
                  currencyInfo: currencyInfo,
+                 amountToSend: false,
+             amountToTransfer: $amountToTransfer,
+                      summary: $summary,
+                   expireDays: $expireDays)
+        }
+        let shortcutDestination = LazyView {
+            P2PSubjectV(stack: stack.push(),
+                     feeLabel: nil,
+                 currencyInfo: currencyInfo,
+                 amountToSend: false,
+             amountToTransfer: $amountShortcut,
                       summary: $summary,
                    expireDays: $expireDays)
         }
-        let _ = symLog.log("currency: \(currency)")
         let disabled = amountToTransfer.isZero || someCoins.invalid || someCoins.tooMany
         ScrollView { VStack(alignment: .trailing) {
             CurrencyInputView(amount: $amountToTransfer,
                            available: nil,
                                title: iconOnly ? String(localized: "How much:")
-                                               : String(localized: "Amount to request:"))
+                                               : String(localized: "Amount to request:"),
+                      shortcutAction: shortcutAction)
                 .padding(.top)
             QuiteSomeCoins(someCoins: someCoins,
                        shouldShowFee: true,     // always true since the requester pays fees
                             currency: currency,
                         currencyInfo: currencyInfo,
                      amountEffective: peerPullCheck?.amountEffective)
-            NavigationLink(destination: p2pSubjectV) { Text("Next") }
+            NavigationLink(destination: inputDestination) { Text("Next") }
                 .buttonStyle(TalerButtonStyle(type: .prominent))
                 .disabled(disabled)
+                .background(NavigationLink(destination: shortcutDestination, isActive: $buttonSelected)
+                            { EmptyView() }.frame(width: 0).opacity(0).hidden()
+                )
         } } // ScrollVStack
         .frame(maxWidth: .infinity, alignment: .leading)
         .padding(.horizontal)   // Lists do this automatically, but this is a VStack
diff --git a/TalerWallet1/Views/Peer2peer/SendAmount.swift b/TalerWallet1/Views/Peer2peer/SendAmount.swift
index 99de703..d66f41c 100644
--- a/TalerWallet1/Views/Peer2peer/SendAmount.swift
+++ b/TalerWallet1/Views/Peer2peer/SendAmount.swift
@@ -23,6 +23,8 @@ struct SendAmount: View {
     @State private var expireDays = SEVENDAYS
     @State private var insufficient = false
     @State private var feeStr: String = EMPTYSTRING
+    @State private var buttonSelected = false
+    @State private var amountShortcut = Amount.zero(currency: EMPTYSTRING)      // Update currency when used
 
     private func fee(ppCheck: CheckPeerPushDebitResponse?) -> Amount? {
         do {
@@ -37,6 +39,11 @@ struct SendAmount: View {
     
     var feeLabel: String { feeStr.count > 0 ? String(localized: "+ \(feeStr) send fee") : EMPTYSTRING }
 
+    private func shortcutAction(_ shortcut: Amount) {
+        amountShortcut = shortcut
+        buttonSelected = true
+    }
+
     var body: some View {
 #if DEBUG
         let _ = Self._printChanges()
@@ -48,13 +55,6 @@ struct SendAmount: View {
         let navTitle = String(localized: "NavTitle_Send_Currency",
                            defaultValue: "Send \(currencySymbol)",
                                 comment: "NavTitle: Send 'currencySymbol'")
-        let amountStr = amountToTransfer.string(currencyInfo)
-        let amountWithCurrency = amountToTransfer.string(currencyInfo, useSymbol: false)
-        let buttonTitle = String(localized: "Send \(amountWithCurrency) now", comment: "amount with currency")
-        let navTitle2 = String(localized: "NavTitle_Send_AmountStr",
-                            defaultValue: "Send \(amountStr)",
-                                 comment: "NavTitle: Send 'amountStr'")
-
         let available = amountAvailable.string(currencyInfo)
 //        let _ = print("available: \(available)")
         let _ = symLog.log("currency: \(currency), available: \(available)")
@@ -62,6 +62,24 @@ struct SendAmount: View {
         let insufficientLabel = String(localized: "You don't have enough \(currency).")
         let insufficientLabel2 = String(localized: "but you only have \(available) to send.")
 
+        let inputDestination = LazyView {
+            P2PSubjectV(stack: stack.push(),
+                     feeLabel: feeLabel,
+                 currencyInfo: currencyInfo,
+                 amountToSend: true,
+             amountToTransfer: $amountToTransfer,
+                      summary: $summary,
+                   expireDays: $expireDays)
+        }
+        let shortcutDestination = LazyView {
+            P2PSubjectV(stack: stack.push(),
+                     feeLabel: nil,
+                 currencyInfo: currencyInfo,
+                 amountToSend: true,
+             amountToTransfer: $amountShortcut,
+                      summary: $summary,
+                   expireDays: $expireDays)
+        }
         let disabled = insufficient || amountToTransfer.isZero
         ScrollView { VStack(alignment: .trailing) {
             Text("Available:\t\(available)")
@@ -70,26 +88,19 @@ struct SendAmount: View {
             CurrencyInputView(amount: $amountToTransfer,
                            available: amountAvailable,
                                title: iconOnly ? String(localized: "How much:")
-                                               : String(localized: "Amount to send:"))
+                                               : String(localized: "Amount to send:"),
+                      shortcutAction: shortcutAction)
             Text(insufficient ? insufficientLabel
                               : feeLabel)
                 .accessibilityFont(.body)
                 .foregroundColor(.red)
                 .padding(4)
-            NavigationLink(destination: LazyView {
-                P2PSubjectV(stack: stack.push(),
-                         navTitle: navTitle2,
-                      buttonTitle: buttonTitle,
-                         feeLabel: feeLabel,
-                     currencyInfo: currencyInfo,
-                     amountToSend: true,
-                 amountToTransfer: $amountToTransfer,
-                          summary: $summary,
-                       expireDays: $expireDays)
-            }) { Text("Next") }
+            NavigationLink(destination: inputDestination) { Text("Next") }
                 .buttonStyle(TalerButtonStyle(type: .prominent))
                 .disabled(disabled)
-//            Spacer()
+                .background(NavigationLink(destination: shortcutDestination, isActive: $buttonSelected)
+                    { EmptyView() }.frame(width: 0).opacity(0).hidden()
+                )
         } } // ScrollVStack
         .frame(maxWidth: .infinity, alignment: .leading)
         .padding(.horizontal)