def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.cw = QtGui.QWidget(self)
self.setGeometry(275, 125, 300, 300)
self.setWindowTitle("POS System")
self.w = None
# counters
self.total_sales = 0
self.total_cost = 0
self.total_income = 0
# GUI items
heading_label = QtGui.QLabel("POS System")
heading_label.setFont(QtGui.QFont("Arial",24))
item_label = QtGui.QLabel("Item to be sold:")
self.item_combo = QtGui.QComboBox()
self.item_combo.addItem("Chips")
self.item_combo.addItem("Biscuits")
self.item_combo.addItem("Chocolate")
self.item_combo.addItem("Cooldrink")
self.item_combo.addItem("Juice")
self.item_combo.addItem("Bubblegum")
self.item_combo.addItem("Lollypop")
self.item_combo.addItem("Marshmallows")
self.item_combo.addItem("Biltong")
self.item_combo.addItem("Dry Wors")
quantity_label = QtGui.QLabel("Quantity:")
self.quantity_edit = QtGui.QLineEdit()
self.sales_report = QtGui.QPushButton("Sales Report")
self.ok = QtGui.QPushButton("OK")
self.clos = QtGui.QPushButton("Close")
grid = QtGui.QGridLayout()
grid.addWidget(item_label, 0, 0)
grid.addWidget(self.item_combo, 0, 1)
grid.addWidget(quantity_label, 1, 0)
grid.addWidget(self.quantity_edit, 1, 1)
grid_widget = QtGui.QWidget()
grid_widget.setLayout(grid)
hbox = QtGui.QHBoxLayout()
hbox.addWidget(self.sales_report)
hbox.addWidget(self.ok)
hbox.addWidget(self.clos)
hbox_widget = QtGui.QWidget()
hbox_widget.setLayout(hbox)
vbox = QtGui.QVBoxLayout()
vbox.addWidget(heading_label)
vbox.addWidget(grid_widget)
vbox.addWidget(hbox_widget)
vbox_widget = QtGui.QWidget()
self.setLayout(vbox)
# default value
item_combo_text="'Chips'"
# signals for buttons
self.connect(self.ok, QtCore.SIGNAL("clicked()"), self.okButtonClicked)
self.connect(self.clos, QtCore.SIGNAL("clicked()"), self.closeButtonClicked)
self.connect(self.sales_report, QtCore.SIGNAL("clicked()"), self.salesReportButtonClicked)
# signals for threads
self.loop_thread = QuantityInStockLoop()
self.loop_thread.update_label_signal.connect(self.loop_thread_slot)
self.loop_thread_f_slot = StockCodeLoop()
self.loop_thread_f_slot.update_label_signal.connect(self.loop_thread_slot_f)
self.cost_price_loop = CostPriceLoop()
self.cost_price_loop.update_label_signal.connect(self.cost_price_slot)
self.sales_price_loop = SalesPriceLoop()
self.sales_price_loop.update_label_signal.connect(self.sales_price_slot)
class PosSystem(QtGui.QWidget):
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.cw = QtGui.QWidget(self)
self.setGeometry(275, 125, 300, 300)
self.setWindowTitle("POS System")
self.w = None
# counters
self.total_sales = 0
self.total_cost = 0
self.total_income = 0
# GUI items
heading_label = QtGui.QLabel("POS System")
heading_label.setFont(QtGui.QFont("Arial",24))
item_label = QtGui.QLabel("Item to be sold:")
self.item_combo = QtGui.QComboBox()
self.item_combo.addItem("Chips")
self.item_combo.addItem("Biscuits")
self.item_combo.addItem("Chocolate")
self.item_combo.addItem("Cooldrink")
self.item_combo.addItem("Juice")
self.item_combo.addItem("Bubblegum")
self.item_combo.addItem("Lollypop")
self.item_combo.addItem("Marshmallows")
self.item_combo.addItem("Biltong")
self.item_combo.addItem("Dry Wors")
quantity_label = QtGui.QLabel("Quantity:")
self.quantity_edit = QtGui.QLineEdit()
self.sales_report = QtGui.QPushButton("Sales Report")
self.ok = QtGui.QPushButton("OK")
self.clos = QtGui.QPushButton("Close")
grid = QtGui.QGridLayout()
grid.addWidget(item_label, 0, 0)
grid.addWidget(self.item_combo, 0, 1)
grid.addWidget(quantity_label, 1, 0)
grid.addWidget(self.quantity_edit, 1, 1)
grid_widget = QtGui.QWidget()
grid_widget.setLayout(grid)
hbox = QtGui.QHBoxLayout()
hbox.addWidget(self.sales_report)
hbox.addWidget(self.ok)
hbox.addWidget(self.clos)
hbox_widget = QtGui.QWidget()
hbox_widget.setLayout(hbox)
vbox = QtGui.QVBoxLayout()
vbox.addWidget(heading_label)
vbox.addWidget(grid_widget)
vbox.addWidget(hbox_widget)
vbox_widget = QtGui.QWidget()
self.setLayout(vbox)
# default value
item_combo_text="'Chips'"
# signals for buttons
self.connect(self.ok, QtCore.SIGNAL("clicked()"), self.okButtonClicked)
self.connect(self.clos, QtCore.SIGNAL("clicked()"), self.closeButtonClicked)
self.connect(self.sales_report, QtCore.SIGNAL("clicked()"), self.salesReportButtonClicked)
# signals for threads
self.loop_thread = QuantityInStockLoop()
self.loop_thread.update_label_signal.connect(self.loop_thread_slot)
self.loop_thread_f_slot = StockCodeLoop()
self.loop_thread_f_slot.update_label_signal.connect(self.loop_thread_slot_f)
self.cost_price_loop = CostPriceLoop()
self.cost_price_loop.update_label_signal.connect(self.cost_price_slot)
self.sales_price_loop = SalesPriceLoop()
self.sales_price_loop.update_label_signal.connect(self.sales_price_slot)
def sales_price_slot(self, txt):
sales = int(txt)
quantity_user_input = self.quantity_edit.displayText()
no = int(quantity_user_input)
transaction_income = no*sales
self.total_income+=transaction_income
print(self.total_income)
def cost_price_slot(self, txt):
cost = int(txt)
quantity_user_input = self.quantity_edit.displayText()
no = int(quantity_user_input)
transaction_cost = no*cost
self.total_cost+=transaction_cost
# Slot for QuantityInStock
def loop_thread_slot(self, txt):
x=txt
quantity_user_input = self.quantity_edit.displayText()
if int(x)<int(quantity_user_input):
msgBox = QtGui.QMessageBox()
msgBox.setWindowTitle("Error")
msgBox.setText("Error: Insufficient stock available")
msgBox.addButton(QtGui.QMessageBox.Cancel)
msgBox.setDefaultButton(QtGui.QMessageBox.Cancel)
ret = msgBox.exec_()
else:
c = db5.cursor()
newQuantity = int(x) - int(quantity_user_input)
it_combo_text = self.item_combo.currentText()
nq = "'" + str(newQuantity) + "'"
ict = "'" + str(it_combo_text) + "'"
cursor = c.execute('UPDATE Stock set QuantityInStock={tes} where ItemName={tess}'.format(tes=newQuantity, tess=ict))
db5.commit()
# slot for StockCode
def loop_thread_slot_f(self, tx):
h = tx
quantity_user_input = self.quantity_edit.displayText()
sold = int(quantity_user_input)
self.total_sales+=sold
cd = db7.cursor()
sc = "'" + h + "'"
date = datetime.datetime.strftime(datetime.datetime.now(), '%Y-%m-%d %H:%M:%S')
time= "'" + str(date) + "'"
cursor = cd.execute('INSERT into Sales values ({stockcode}, {sales}, {time})'.format(stockcode=h, sales=sold, time=time))
db7.commit()
# link here
def okButtonClicked(self):
item_combo_text = self.item_combo.currentText()
outFile = open("check_text.txt", "wb")
pickle.dump(item_combo_text, outFile)
outFile.close()
self.loop_thread.start()
outFile = open("check_StockCode.txt", "wb")
pickle.dump(item_combo_text, outFile)
outFile.close()
self.loop_thread_f_slot.start()
self.cost_price_loop.start()
self.sales_price_loop.start()
def closeButtonClicked(self):
self.close()
# pop up here
def salesReportButtonClicked(self):
total_profit = self.total_income - self.total_cost
x = "Sales Report" + "\n" + "Total items sold: " + str(self.total_sales) + "\n" + "Total cost price: " + str(self.total_cost) + "\n" + "Total income: " + str(self.total_income) + "\n" + "Total profit: " + str(total_profit)
mBox = QtGui.QMessageBox()
mBox.setWindowTitle("Sales Report")
mBox.setText(x)
mBox.addButton(QtGui.QMessageBox.Cancel)
mBox.setDefaultButton(QtGui.QMessageBox.Cancel)
ret = mBox.exec_()
