From b113d5fca1864336754d8921263bf52c29ecaa4d Mon Sep 17 00:00:00 2001
From: Josef Rokos <pepa@bukova.info>
Date: Tue, 19 Jun 2018 19:55:18 +0200
Subject: [PATCH] Added setting for bill double printing.

---
 shop/receiptgenerator.cpp          | 331 +++++++++++++++--------------
 shop/settings/shopsettings.cpp     |  22 ++
 shop/settings/shopsettings.h       |  12 ++
 shop/settings/shopsettingsform.cpp |   3 +
 shop/settings/shopsettingsform.ui  |  25 +++
 5 files changed, 237 insertions(+), 156 deletions(-)

diff --git a/shop/receiptgenerator.cpp b/shop/receiptgenerator.cpp
index a2f9481..8548634 100644
--- a/shop/receiptgenerator.cpp
+++ b/shop/receiptgenerator.cpp
@@ -114,207 +114,226 @@ QByteArray ReceiptGenerator::generate()
     ShopSettingsPtr shopSettings = srvShopSettings.loadSettings<ShopSettings>();
     GlobalSettingsPtr gs = srvGsSettings.loadSettings<GlobalSettings>();
 
-    out.append("\x1b\x40\x1b\x61\x01");
-    out.append(prepareString(gs->firmName()));
-    out.append("\x0a");
-    out.append(prepareString(gs->street() + " " + gs->houseNumber()));
-    out.append("\x0a");
-    out.append(prepareString(gs->zipCode() + " " + gs->city()));
-    out.append("\x0a");
-    out.append(prepareString("IC: " + QString::number(gs->ic())));
-    out.append("\x0a");
-    out.append(prepareString("DIC: " + gs->dic()));
-    out.append("\x0a");
-    out.append(prepareString("ID provozovny: " + shopSettings->eetShopId()));
-    out.append("\x0a");
-    out.append(prepareString("ID pokladny: " + shopSettings->eetRegisterId()));
-    out.append("\x0a");    
-    out.append(prepareString("Cislo uctenky: " + m_voucher->numSer()));
-    out.append("\x0a");
-
-    out.append("\x1b\x21");
-    out.append(printMode);
-    for (int i = 0; i < shopSettings->lettersPerLine(); i++ )
-    {
-        out.append("-");
-    }
-    out.append("\x1b\x21");
-    out.append((char)0);
-    out.append("\x0a");
+    bool hasDoubleItem = false;
+    bool first = true;
 
-    foreach (QSharedPointer<VoucherItem> item, m_voucher->items()) {
-        QString count = QString::number(item->count());
-        QString name = item->name();
-        QString price = QString::number(item->price().toDouble(), 'f', 2);
-
-        int numSpaces = 0;
-        name = count + "x " + name;
+    do
+    {
+        out.append("\x1b\x40\x1b\x61\x01");
+        out.append(prepareString(gs->firmName()));
+        out.append("\x0a");
+        out.append(prepareString(gs->street() + " " + gs->houseNumber()));
+        out.append("\x0a");
+        out.append(prepareString(gs->zipCode() + " " + gs->city()));
+        out.append("\x0a");
+        out.append(prepareString("IC: " + QString::number(gs->ic())));
+        out.append("\x0a");
+        out.append(prepareString("DIC: " + gs->dic()));
+        out.append("\x0a");
+        out.append(prepareString("ID provozovny: " + shopSettings->eetShopId()));
+        out.append("\x0a");
+        out.append(prepareString("ID pokladny: " + shopSettings->eetRegisterId()));
+        out.append("\x0a");
+        out.append(prepareString("Cislo uctenky: " + m_voucher->numSer()));
+        out.append("\x0a");
 
-        if (gs->vatPayer())
+        out.append("\x1b\x21");
+        out.append(printMode);
+        for (int i = 0; i < shopSettings->lettersPerLine(); i++ )
         {
-            out.append(prepareString("DPH " + QString::number(item->vatRate().toDouble(), 'f', 0)) + "%");
-            out.append("\x0a");
+            out.append("-");
         }
+        out.append("\x1b\x21");
+        out.append((char)0);
+        out.append("\x0a");
 
-        if ((name.length() + price.length()) < shopSettings->lettersPerLine())
-        {
-            numSpaces = shopSettings->lettersPerLine() - (name.length() + price.length());
-            out.append(prepareString(name));
-        }
-        else
-        {
-            numSpaces = shopSettings->lettersPerLine() - (name.length() + price.length());
-            out.append(prepareString(name));
-            out.append("\x0a");
-        }
+        foreach (QSharedPointer<VoucherItem> item, m_voucher->items()) {
+            QString count = QString::number(item->count());
+            QString name = item->name();
+            QString price = QString::number(item->price().toDouble(), 'f', 2);
 
-        for (int i = 0; i < numSpaces; i++)
-        {
-            out.append(" ");
-        }
-        out.append(prepareString(price));
-        out.append("\x0a");
-    }
+            hasDoubleItem = name == shopSettings->doublePrintItem();
 
-    out.append("\x1b\x21");
-    out.append(printMode);
-    for (int i = 0; i < shopSettings->lettersPerLine(); i++ )
-    {
-        out.append("-");
-    }
-    out.append("\x1b\x21");
-    out.append((char)0);
-    out.append("\x0a");
+            int numSpaces = 0;
+            name = count + "x " + name;
 
-    if (gs->vatPayer())
-    {
-        QString zaklad = "Zaklad DPH ";
-        QString dph = "DPH ";
-        QString output;
-        QDecDouble zero(0);
+            if (gs->vatPayer())
+            {
+                out.append(prepareString("DPH " + QString::number(item->vatRate().toDouble(), 'f', 0)) + "%");
+                out.append("\x0a");
+            }
 
-        if (m_voucher->vatAmountHigh() > zero)
-        {
-            output = zaklad + QString::number(m_voucher->vatRateHigh().toDouble()) + "%";
-            out.append(prepareString(output));
-            QString amount = QString::number(m_voucher->priceVatHigh().toDouble(), 'f', 2);
-            int numSpaces = shopSettings->lettersPerLine() - (output.length() + amount.length());
-            for (int i = 0; i < numSpaces; i++)
+            if ((name.length() + price.length()) < shopSettings->lettersPerLine())
             {
-                out.append(" ");
+                numSpaces = shopSettings->lettersPerLine() - (name.length() + price.length());
+                out.append(prepareString(name));
+            }
+            else
+            {
+                numSpaces = shopSettings->lettersPerLine() - (name.length() + price.length());
+                out.append(prepareString(name));
+                out.append("\x0a");
             }
-            out.append(prepareString(amount));
-            out.append("\x0a");
 
-            output = dph + QString::number(m_voucher->vatRateHigh().toDouble()) + "%";
-            out.append(prepareString(output));
-            amount = QString::number(m_voucher->vatAmountHigh().toDouble(), 'f', 2);
-            numSpaces = shopSettings->lettersPerLine() - (output.length() + amount.length());
             for (int i = 0; i < numSpaces; i++)
             {
                 out.append(" ");
             }
-            out.append(prepareString(amount));
+            out.append(prepareString(price));
             out.append("\x0a");
         }
 
-        if (m_voucher->vatAmountFirstLower() > zero)
+        out.append("\x1b\x21");
+        out.append(printMode);
+        for (int i = 0; i < shopSettings->lettersPerLine(); i++ )
         {
-            output = zaklad + QString::number(m_voucher->vatRateFirstLower().toDouble()) + "%";
-            out.append(prepareString(output));
-            QString amount = QString::number(m_voucher->priceVatFirstLower().toDouble(), 'f', 2);
-            int numSpaces = shopSettings->lettersPerLine() - (output.length() + amount.length());
-            for (int i = 0; i < numSpaces; i++)
+            out.append("-");
+        }
+        out.append("\x1b\x21");
+        out.append((char)0);
+        out.append("\x0a");
+
+        if (gs->vatPayer())
+        {
+            QString zaklad = "Zaklad DPH ";
+            QString dph = "DPH ";
+            QString output;
+            QDecDouble zero(0);
+
+            if (m_voucher->vatAmountHigh() > zero)
             {
-                out.append(" ");
+                output = zaklad + QString::number(m_voucher->vatRateHigh().toDouble()) + "%";
+                out.append(prepareString(output));
+                QString amount = QString::number(m_voucher->priceVatHigh().toDouble(), 'f', 2);
+                int numSpaces = shopSettings->lettersPerLine() - (output.length() + amount.length());
+                for (int i = 0; i < numSpaces; i++)
+                {
+                    out.append(" ");
+                }
+                out.append(prepareString(amount));
+                out.append("\x0a");
+
+                output = dph + QString::number(m_voucher->vatRateHigh().toDouble()) + "%";
+                out.append(prepareString(output));
+                amount = QString::number(m_voucher->vatAmountHigh().toDouble(), 'f', 2);
+                numSpaces = shopSettings->lettersPerLine() - (output.length() + amount.length());
+                for (int i = 0; i < numSpaces; i++)
+                {
+                    out.append(" ");
+                }
+                out.append(prepareString(amount));
+                out.append("\x0a");
             }
-            out.append(prepareString(amount));
-            out.append("\x0a");
 
-            output = dph + QString::number(m_voucher->vatRateFirstLower().toDouble()) + "%";
-            out.append(prepareString(output));
-            amount = QString::number(m_voucher->vatAmountFirstLower().toDouble(), 'f', 2);
-            numSpaces = shopSettings->lettersPerLine() - (output.length() + amount.length());
-            for (int i = 0; i < numSpaces; i++)
+            if (m_voucher->vatAmountFirstLower() > zero)
             {
-                out.append(" ");
+                output = zaklad + QString::number(m_voucher->vatRateFirstLower().toDouble()) + "%";
+                out.append(prepareString(output));
+                QString amount = QString::number(m_voucher->priceVatFirstLower().toDouble(), 'f', 2);
+                int numSpaces = shopSettings->lettersPerLine() - (output.length() + amount.length());
+                for (int i = 0; i < numSpaces; i++)
+                {
+                    out.append(" ");
+                }
+                out.append(prepareString(amount));
+                out.append("\x0a");
+
+                output = dph + QString::number(m_voucher->vatRateFirstLower().toDouble()) + "%";
+                out.append(prepareString(output));
+                amount = QString::number(m_voucher->vatAmountFirstLower().toDouble(), 'f', 2);
+                numSpaces = shopSettings->lettersPerLine() - (output.length() + amount.length());
+                for (int i = 0; i < numSpaces; i++)
+                {
+                    out.append(" ");
+                }
+                out.append(prepareString(amount));
+                out.append("\x0a");
             }
-            out.append(prepareString(amount));
-            out.append("\x0a");
-        }
 
-        if (m_voucher->VatAmountSecondLower() > zero)
-        {
-            output = zaklad + QString::number(m_voucher->vatRateSecondLower().toDouble()) + "%";
-            out.append(prepareString(output));
-            QString amount = QString::number(m_voucher->priceVatSecondLower().toDouble(), 'f', 2);
-            int numSpaces = shopSettings->lettersPerLine() - (output.length() + amount.length());
-            for (int i = 0; i < numSpaces; i++)
+            if (m_voucher->VatAmountSecondLower() > zero)
             {
-                out.append(" ");
+                output = zaklad + QString::number(m_voucher->vatRateSecondLower().toDouble()) + "%";
+                out.append(prepareString(output));
+                QString amount = QString::number(m_voucher->priceVatSecondLower().toDouble(), 'f', 2);
+                int numSpaces = shopSettings->lettersPerLine() - (output.length() + amount.length());
+                for (int i = 0; i < numSpaces; i++)
+                {
+                    out.append(" ");
+                }
+                out.append(prepareString(amount));
+                out.append("\x0a");
+
+                output = dph + QString::number(m_voucher->vatRateSecondLower().toDouble()) + "%";
+                out.append(prepareString(output));
+                amount = QString::number(m_voucher->VatAmountSecondLower().toDouble(), 'f', 2);
+                numSpaces = shopSettings->lettersPerLine() - (output.length() + amount.length());
+                for (int i = 0; i < numSpaces; i++)
+                {
+                    out.append(" ");
+                }
+                out.append(prepareString(amount));
+                out.append("\x0a");
             }
-            out.append(prepareString(amount));
-            out.append("\x0a");
 
-            output = dph + QString::number(m_voucher->vatRateSecondLower().toDouble()) + "%";
-            out.append(prepareString(output));
-            amount = QString::number(m_voucher->VatAmountSecondLower().toDouble(), 'f', 2);
-            numSpaces = shopSettings->lettersPerLine() - (output.length() + amount.length());
-            for (int i = 0; i < numSpaces; i++)
+            out.append("\x1b\x21");
+            out.append(printMode);
+            for (int i = 0; i < shopSettings->lettersPerLine(); i++ )
             {
-                out.append(" ");
+                out.append("-");
             }
-            out.append(prepareString(amount));
+            out.append("\x1b\x21");
+            out.append((char)0);
             out.append("\x0a");
+
         }
 
         out.append("\x1b\x21");
         out.append(printMode);
-        for (int i = 0; i < shopSettings->lettersPerLine(); i++ )
+        out.append("Celkem:");
+
+        QString totalPrice = QString::number(m_voucher->totalPrice().toDouble(), 'f', 2);
+        int numSpaces = shopSettings->lettersPerLine() - (8 + totalPrice.length());
+        for (int i = 0; i < numSpaces; i++)
         {
-            out.append("-");
+            out.append(" ");
         }
+
+        out.append(prepareString(totalPrice));
         out.append("\x1b\x21");
         out.append((char)0);
         out.append("\x0a");
-
-    }
-
-    out.append("\x1b\x21");
-    out.append(printMode);
-    out.append("Celkem:");
-
-    QString totalPrice = QString::number(m_voucher->totalPrice().toDouble(), 'f', 2);
-    int numSpaces = shopSettings->lettersPerLine() - (8 + totalPrice.length());
-    for (int i = 0; i < numSpaces; i++)
-    {
-        out.append(" ");
-    }
-
-    out.append(prepareString(totalPrice));
-    out.append("\x1b\x21");
-    out.append((char)0);
-    out.append("\x0a");
-    out.append("Datum:");
-    out.append(prepareString(m_voucher->payDateTime().toString()));
-    out.append("\x0a");
-    if (!m_voucher->eetBkp().isEmpty())
-    {
-        out.append("Rezim EET: bezny");
-        out.append("\x0a");
-        out.append("BKP:");
-        out.append("\x0a");
-        out.append(prepareString(m_voucher->eetBkp()));
+        out.append("Datum:");
+        out.append(prepareString(m_voucher->payDateTime().toString()));
         out.append("\x0a");
-        out.append("FIK:");
+        if (!m_voucher->eetBkp().isEmpty())
+        {
+            out.append("Rezim EET: bezny");
+            out.append("\x0a");
+            out.append("BKP:");
+            out.append("\x0a");
+            out.append(prepareString(m_voucher->eetBkp()));
+            out.append("\x0a");
+            out.append("FIK:");
+            out.append("\x0a");
+            out.append(prepareString(m_voucher->eetFik()));
+            out.append("\x0a");
+            out.append("\x0a");
+        }
         out.append("\x0a");
-        out.append(prepareString(m_voucher->eetFik()));
         out.append("\x0a");
         out.append("\x0a");
-    }
-    out.append("\x0a");
-    out.append("\x0a");
-    out.append("\x0a");
+
+        if (shopSettings->doublePrint() && hasDoubleItem && first)
+        {
+            out.append("\x0a");
+            out.append("\x0a");
+            first = false;
+        }
+        else if (!first)
+        {
+            first = true;
+        }
+    } while (shopSettings->doublePrint() && hasDoubleItem && !first);
 
     return out;
 }
diff --git a/shop/settings/shopsettings.cpp b/shop/settings/shopsettings.cpp
index 167f5bf..ba42f1b 100644
--- a/shop/settings/shopsettings.cpp
+++ b/shop/settings/shopsettings.cpp
@@ -16,6 +16,8 @@ ShopSettings::ShopSettings(QObject *parent) : QObject(parent)
 
     m_rounding = Enums::R_NONE;
     m_decimalPlaces = 0;
+
+    m_doublePrint = false;
 }
 
 QString ShopSettings::output() const
@@ -197,3 +199,23 @@ void ShopSettings::setRoundingItem(const QString &roundingItem)
 {
     m_roundingItem = roundingItem;
 }
+
+bool ShopSettings::doublePrint() const
+{
+    return m_doublePrint;
+}
+
+void ShopSettings::setDoublePrint(bool doublePrint)
+{
+    m_doublePrint = doublePrint;
+}
+
+QString ShopSettings::doublePrintItem() const
+{
+    return m_doublePrintItem;
+}
+
+void ShopSettings::setDoublePrintItem(const QString &doublePrintItem)
+{
+    m_doublePrintItem = doublePrintItem;
+}
diff --git a/shop/settings/shopsettings.h b/shop/settings/shopsettings.h
index 8e5fbb6..b7b8b11 100644
--- a/shop/settings/shopsettings.h
+++ b/shop/settings/shopsettings.h
@@ -23,6 +23,9 @@ class ShopSettings : public QObject
     Q_PROPERTY(int favBtnRows READ favBtnRows WRITE setFavBtnRows)
     Q_PROPERTY(int favBtnSize READ favBtnSize WRITE setFavBtnSize)
 
+    Q_PROPERTY(bool doublePrint READ doublePrint WRITE setDoublePrint)
+    Q_PROPERTY(QString doublePrintItem READ doublePrintItem WRITE setDoublePrintItem)
+
     Q_PROPERTY(Enums::Rounding rounding READ rounding WRITE setRounding)
     Q_PROPERTY(int decimalPlaces READ decimalPlaces WRITE setDecimalPlaces)
     Q_PROPERTY(QString roundingItem READ roundingItem WRITE setRoundingItem)
@@ -91,6 +94,12 @@ public:
     QString roundingItem() const;
     void setRoundingItem(const QString &roundingItem);
 
+    bool doublePrint() const;
+    void setDoublePrint(bool doublePrint);
+
+    QString doublePrintItem() const;
+    void setDoublePrintItem(const QString &doublePrintItem);
+
 private:
     QString m_output;
     CODEPAGE m_codepage;
@@ -106,6 +115,9 @@ private:
     bool m_eetTest;
     bool m_eetPlayground;
 
+    bool m_doublePrint;
+    QString m_doublePrintItem;
+
     int m_favBtnCols;
     int m_favBtnRows;
     int m_favBtnSize;
diff --git a/shop/settings/shopsettingsform.cpp b/shop/settings/shopsettingsform.cpp
index 5bf9b4a..21b3d2f 100644
--- a/shop/settings/shopsettingsform.cpp
+++ b/shop/settings/shopsettingsform.cpp
@@ -45,6 +45,9 @@ ShopSettingsForm::ShopSettingsForm(QWidget *parent) :
     registerBinding(ui->decimalPlaces);
     registerBinding(ui->roundingItem);
 
+    registerBinding(ui->doublePrint);
+    registerBinding(ui->doublePrintItem);
+
     m_itemModel = new AutoTableModel<ShopItem>();
 }
 
diff --git a/shop/settings/shopsettingsform.ui b/shop/settings/shopsettingsform.ui
index b0222fd..fde28d8 100644
--- a/shop/settings/shopsettingsform.ui
+++ b/shop/settings/shopsettingsform.ui
@@ -320,6 +320,31 @@
          </layout>
         </widget>
        </item>
+       <item>
+        <widget class="QGroupBox" name="doublePrint">
+         <property name="title">
+          <string>Doub&amp;le print bill</string>
+         </property>
+         <property name="checkable">
+          <bool>true</bool>
+         </property>
+         <property name="checked">
+          <bool>false</bool>
+         </property>
+         <layout class="QFormLayout" name="formLayout_5">
+          <item row="0" column="0">
+           <widget class="QLabel" name="label_15">
+            <property name="text">
+             <string>Item name</string>
+            </property>
+           </widget>
+          </item>
+          <item row="0" column="1">
+           <widget class="QLineEdit" name="doublePrintItem"/>
+          </item>
+         </layout>
+        </widget>
+       </item>
       </layout>
      </widget>
     </widget>