def show_item_tree(self):
"""show menu to order foods"""
self.item_tree.delete(*self.item_tree.get_children())
item = Item()
data = item.show_items()
for i in data:
self.item_tree.insert("",
"end",
text=i[0],
value=(i[0], i[2], i[1], i[3]))
def show_item_tree(self):
"""display menu"""
self.item_tree.delete(*self.item_tree.get_children())
item = Item()
data = item.show_items()
for i in data:
self.item_tree.insert("",
"end",
text=i[0],
value=(i[2], i[1], i[3]))
self.item_tree.bind("<Double-1>", self.select_item)
def ser_item(self):
"""search for food item to order"""
search = self.item_ser.get()
self.item_tree.delete(*self.item_tree.get_children())
item = Item()
data = item.search_item(search)
for i in data:
self.item_tree.insert("",
"end",
text=i[0],
value=(i[0], i[2], i[1], i[3]))
def ser_item(self):
"""search for item in menu"""
search = self.item_ser.get()
self.item_tree.delete(*self.item_tree.get_children())
item = Item()
data = item.search_item(search)
for i in data:
self.item_tree.insert("",
"end",
text=i[0],
value=(i[2], i[1], i[3]))
self.item_tree.bind("<Double-1>", self.select_item)
def del_item(self):
"""delete an item from menu"""
item = Item()
a = messagebox.askyesno("Delete",
"Are you sure you want to delete this item?")
if a == 1:
if item.delete_item(self.item_index):
messagebox.showinfo("Item", "Item Deleted")
self.show_item_tree()
self.reset_btn()
else:
messagebox.showerror("Error", "Item cannot be deleted")
def update_item(self):
"""update an item detail in menu"""
name = self.item_name.get()
type_ = self.item_type.get()
price = self.item_rate.get()
id_ = self.item_index
item = Item()
if item.update_item(id_, name, type_, price):
messagebox.showinfo("Item", "Item Updated")
self.show_item_tree()
self.reset_btn()
else:
messagebox.showerror("Error", "Item cannot be added")
def add_item(self):
"""verify the entry values and add new item to menu"""
name = self.item_name.get()
type_ = self.item_type.get()
price = self.item_rate.get()
item = Item()
if name == "" or price == "":
messagebox.showerror("Error", "Enter all values")
elif not price.isnumeric():
messagebox.showerror("Error", "Enter numeric value for price")
else:
if item.add_item(name, type_, price):
messagebox.showinfo("Item", "Item Added")
self.show_item_tree()
self.reset_btn()
else:
messagebox.showerror("Error", "Item cannot be added")