class OrderView:
def __init__(self):
self.window = Tk()
self.window.title('Orders')
self.window.geometry('503x500+0+0')
self.item = Item()
self.order = Order()
self.all_items = self.item.show_item()
self.ordered_item_list = []
self.label_item = Label(self.window, text='Item')
self.label_item.grid(row=0, column=0)
self.combo_item = ttk.Combobox(self.window, state='readonly', width=27)
self.combo_item.grid(row=0, column=1)
# self.combo_item['values'] = self.all_items
self.label_qty = Label(self.window, text='Qty')
self.label_qty.grid(row=1, column=0)
self.entry_qty = Entry(self.window, width=30)
self.entry_qty.grid(row=1, column=1)
self.btn_add_item = Button(self.window,
text='Add >>',
command=self.on_add_item)
self.btn_add_item.grid(row=2, column=0)
self.label_tbl = Label(self.window, text='Table No.')
self.label_tbl.grid(row=3, column=0)
self.entry_tbl = Entry(self.window, width=30)
self.entry_tbl.grid(row=3, column=1)
self.btn_add_order = Button(self.window,
text='Submit Order',
command=self.on_submit_order)
self.btn_add_order.grid(row=4, column=0)
self.btn_reset = Button(self.window,
text='Reset',
command=self.on_reset)
self.btn_reset.grid(row=4, column=1)
self.combo_order = ttk.Combobox(self.window)
self.combo_order.grid(row=5, column=0)
self.btn_show_order = Button(self.window,
text='Show Order',
command=self.show_orders_in_tree)
self.btn_show_order.grid(row=5, column=1)
self.order_tree = ttk.Treeview(self.window,
column=('tbl', 'name', 'type', 'price',
'qty'))
self.order_tree.grid(row=6, column=0, columnspan=2)
self.order_tree['show'] = 'headings'
self.order_tree.column('tbl', width=100, anchor='center')
self.order_tree.column('name', width=100, anchor='center')
self.order_tree.column('type', width=100, anchor='center')
self.order_tree.column('price', width=100, anchor='center')
self.order_tree.column('qty', width=100, anchor='center')
self.order_tree.heading('tbl', text='Table No.')
self.order_tree.heading('name', text='Name')
self.order_tree.heading('type', text='Type')
self.order_tree.heading('price', text='Price')
self.order_tree.heading('qty', text='Qty')
self.btn_bill = Button(self.window,
text='Generate Bill',
command=self.generate_bill)
self.btn_bill.grid(row=7, column=0)
self.show_items_in_combo()
self.show_orders_in_combo()
self.window.mainloop()
def show_items_in_combo(self):
show_items = []
for i in self.all_items:
show_items.append((i[1], i[2]))
self.combo_item['values'] = show_items
def on_add_item(self):
# item_id = self.combo_item.get()[0]
item_index = self.combo_item.current()
# item_id = self.all_items[item_index][0]
item = self.all_items[item_index]
qty = self.entry_qty.get()
self.ordered_item_list.append((item[0], qty))
self.order_tree.insert('',
'end',
text='',
value=('', item[1], item[2], item[3], qty))
def on_submit_order(self):
if self.combo_order.get() == '':
tbl = self.entry_tbl.get()
if self.order.add_order(tbl, self.ordered_item_list):
messagebox.showinfo('Order', 'Order added')
self.show_orders_in_combo()
else:
messagebox.showerror('Error', 'Order can not added')
else:
order_id = self.combo_order.get()
if self.order.add_order_to_prev_customer(self.ordered_item_list,
order_id):
messagebox.showinfo('Order', 'Order added')
self.show_orders_in_combo()
else:
messagebox.showerror('Error', 'Order can not added')
self.ordered_item_list.clear()
def show_orders_in_combo(self):
self.combo_order['values'] = self.order.show_all_orders()
def show_orders_in_tree(self):
order_id = self.combo_order.get()
if order_id == '':
messagebox.showerror('Error', 'Select Order number First')
else:
orders = self.order.show_orders_by_order_id(order_id)
self.order_tree.delete(*self.order_tree.get_children())
for i in orders:
self.order_tree.insert('', 'end', text='', value=i)
def on_reset(self):
self.combo_order.set('')
self.entry_qty.delete(0, END)
self.entry_tbl.delete(0, END)
self.order_tree.delete(*self.order_tree.get_children())
self.ordered_item_list.clear()
def generate_bill(self):
if self.combo_order.get() == '':
messagebox.showerror('Error', 'Select Order number First')
else:
orders = self.order_tree.get_children()
if len(orders) == 0:
messagebox.showerror('Error', 'Show order first')
else:
total = 0
bill_list = []
tbl_no = self.order_tree.item(orders[0], 'values')[0]
for i in orders:
order = self.order_tree.item(i, 'values')
amt = float(order[3]) * float(order[4])
total += amt
bill_list.append(
(order[1], order[2], order[3], order[4], amt))
# tbl_no = order[0]
BillView(bill_list, total, tbl_no)
