class MainApp(App):
string_property = StringProperty()
def __init__(self, **kwargs):
"""Initializer to construct the app"""
super(MainApp, self).__init__(**kwargs)
self.item_list = ItemList()
stock = open("inventory.csv", "r+")
for items in stock:
self.item_list.store(items)
def build(self):
self.title = "A2"
self.root = Builder.load_file('layout.kv')
return self.root
def itemlist(self):
"""Function to show all the list item in the inventory.csv"""
self.root.ids.itemlistbox.clear_widgets()
self.root.ids.bottomlabel.text = 'Choose action from the left menu, then select items on the right'
self.root.ids.listitem.background_color = (1, 1, 0.5, 1)
self.root.ids.hireitem.background_color = (1, 1, 1, 1)
self.root.ids.returnitem.background_color = (1, 1, 1, 1)
self.root.ids.confirm.background_color = (1, 1, 1, 1)
self.root.ids.additem.background_color = (1, 1, 1, 1)
for items in self.item_list:
name, desc, price, availability = items.split(",")
if "in" in availability:
tempbutton = Button(text=name, background_color=(0, 1, 0, 1))
else:
tempbutton = Button(text=name, background_color=(0.9, 0.3, 0.5, 1))
tempbutton.bind(on_press=self.pressitem)
self.root.ids.itemlistbox.add_widget(tempbutton)
def itemhire(self):
"""Function to hire the items from inventory.csv, red color item mean the item is out"""
self.root.ids.itemlistbox.clear_widgets()
self.root.ids.bottomlabel.text = 'Choose action from the left menu, then select items on the right'
self.root.ids.listitem.background_color = (1, 1, 1, 1)
self.root.ids.hireitem.background_color = (1, 1, 0.5, 1)
self.root.ids.returnitem.background_color = (1, 1, 1, 1)
self.root.ids.confirm.background_color = (1, 1, 1, 1)
self.root.ids.additem.background_color = (1, 1, 1, 1)
for items in self.item_list:
name, desc, price, availability = items.split(",")
if "in" in availability:
tempbutton = Button(text=name, background_color=(0, 1, 0, 1))
else:
tempbutton = Button(text=name, background_color=(0.9, 0.3, 0.5, 1))
tempbutton.bind(on_press=self.pressitem)
self.root.ids.itemlistbox.add_widget(tempbutton)
def itemreturn(self):
"""Function to return the items that is out from the inventory.csv"""
self.root.ids.itemlistbox.clear_widgets()
self.root.ids.bottomlabel.text = 'Choose action from the left menu, then select items on the right'
self.root.ids.listitem.background_color = (1, 1, 1, 1)
self.root.ids.hireitem.background_color = (1, 1, 1, 1)
self.root.ids.returnitem.background_color = (1, 1, 0.5, 1)
self.root.ids.confirm.background_color = (1, 1, 1, 1)
self.root.ids.additem.background_color = (1, 1, 1, 1)
for items in self.item_list:
name, desc, price, availability = items.split(",")
if "in" in availability:
tempbutton = Button(text=name, background_color=(0, 1, 0, 1))
else:
tempbutton = Button(text=name, background_color=(0.9, 0.3, 0.5, 1))
tempbutton.bind(on_press=self.pressitem)
self.root.ids.itemlistbox.add_widget(tempbutton)
def pressitem(self, instance):
"""Function will show the description of the selected item the bottomlabel
will also change when the item_return or item_hire button is being selected"""
for items in self.item_list:
name, desc, price, availability = items.split(",")
if instance.text == name:
if self.root.ids.listitem.background_color == [1, 1, 0.5, 1]:
self.root.ids.bottomlabel.text = "{} ({}), ${:,.2f} is {}".format(name, desc, float(price), availability)
elif self.root.ids.hireitem.background_color == [1, 1, 0.5, 1]:
if "in" in availability:
self.root.ids.bottomlabel.text = "Hiring: {} for ${:,.2f}".format(name, float(price))
else:
self.root.ids.bottomlabel.text = "Hiring: no items for $0.00"
elif self.root.ids.returnitem.background_color == [1, 1, 0.5, 1]:
if "out" in availability:
self.root.ids.bottomlabel.text = "Returning: {}".format(name)
else:
self.root.ids.bottomlabel.text = "Returning: no items"
def confirm(self):
"""Function to make changes on the inventory.csv file"""
itemcount = 0
with open("inventory.csv") as itemfile:
read = itemfile.readlines()
for items in read:
name, desc, price, availability = items.split(",")
if name in self.root.ids.bottomlabel.text:
if self.root.ids.hireitem.background_color == [1, 1, 0.5, 1]:
self.item_list.clear()
read[itemcount] = read[itemcount].replace("in", "out")
with open("inventory.csv", "w") as itemfile:
itemfile.writelines(read)
for items in read:
self.item_list.store(items)
itemfile.close()
self.itemlist()
elif self.root.ids.returnitem.background_color == [1, 1, 0.5, 1]:
self.item_list.clear()
read[itemcount] = read[itemcount].replace("out","in")
with open("inventory.csv", "w") as itemfile:
itemfile.writelines(read)
for items in read:
self.item_list.store(items)
itemfile.close()
self.itemlist()
itemcount += 1
def additem(self):
"""Function to display the popup window"""
self.root.ids.listitem.background_color = (1, 1, 1, 1)
self.root.ids.hireitem.background_color = (1, 1, 1, 1)
self.root.ids.returnitem.background_color = (1, 1, 1, 1)
self.root.ids.confirm.background_color = (1, 1, 1, 1)
self.root.ids.additem.background_color = (1, 1, 0.5, 1)
self.string_property = 'Enter new item'
self.root.ids.popupbox.open()
def save(self, name, desc, price, instruction):
"""Function to save the input item to inventory.csv and dismiss the pop up window after saving"""
def error(price): # error checking
try:
float(price)
return True
except ValueError:
return False
if name.strip == '' or desc == '' or price == '':
instruction.text = "All fields must be completed"
elif error(price) == False:
instruction.text = "Price must be valid number"
elif error(price) == True and float(price) < 0:
instruction.text = "Price cannot be negative"
else:
additems = "\n{},{},{},in".format(name, desc, float(price))
with open("inventory.csv", "a") as itemfile:
itemfile.writelines(additems)
self.item_list.store(additems)
self.cancel()
self.itemlist()
def cancel(self):
"""Function to dismiss pop up window"""
self.root.ids.popupbox.dismiss()
self.root.ids.itemname.text = ""
self.root.ids.desc.text = ""
self.root.ids.priceinput.text = ""
class Assignment2(App):
def __init__(self, **kwargs):
super (Assignment2, self).__init__(**kwargs)
self.item_list = ItemList()
items_storage = open("items.csv", "r+")
for line in items_storage:
self.item_list.store(line)
def build(self):
self.title = "Items Hire"
self.root = Builder.load_file('Assignment2.kv')
self.itemlist()
return self.root
def itemlist(self):
self.root.ids.itemsBox.clear_widgets()
self.root.ids.label.text = 'Choose action from the left menu, then select items on the right'
self.root.ids.item_list.background_color = [0, 0.5, 0.5, 1]
self.root.ids.hire_item.background_color = [1, 1, 1, 1]
self.root.ids.return_item.background_color = [1, 1, 1, 1]
self.root.ids.confirm.background_color = [1, 1, 1, 1]
self.root.ids.add_item.background_color = [1, 1, 1, 1]
item_count = 0
for line in self.item_list:
name, description, price_per_day, availability = line.split(",")
if "in" in availability:
temp_button = Button(text=name, background_color=[0, 1, 0, 1])
else:
temp_button = Button(text=name, background_color=[0.9, 0.3, 0.5, 1])
temp_button.bind(on_press=self.press_item)
self.root.ids.itemsBox.add_widget(temp_button)
item_count += 1
def itemreturn(self):
self.root.ids.itemsBox.clear_widgets()
self.root.ids.label.text = 'Choose action from the left menu, then select items on the right'
self.root.ids.item_list.background_color = [1, 1, 1, 1]
self.root.ids.hire_item.background_color = [1, 1, 1, 1]
self.root.ids.return_item.background_color = [0, 0.5, 0.5, 1]
self.root.ids.confirm.background_color = [1, 1, 1, 1]
self.root.ids.add_item.background_color = [1, 1, 1, 1]
for line in self.item_list:
name, description, price_per_day, availability = line.split(",")
if "in" in availability:
temp_button = Button(text=name, background_color=[0, 1, 0, 1])
else:
temp_button = Button(text=name, background_color=[0.9, 0.3, 0.5, 1])
temp_button.bind(on_press=self.press_item)
self.root.ids.itemsBox.add_widget(temp_button)
def itemhire(self):
self.root.ids.itemsBox.clear_widgets()
self.root.ids.item_list.background_color = [1, 1, 1, 1]
self.root.ids.hire_item.background_color = [0, 0.5, 0.5, 1]
self.root.ids.return_item.background_color = [1, 1, 1, 1]
self.root.ids.confirm.background_color = [1, 1, 1, 1]
self.root.ids.add_item.background_color = [1, 1, 1, 1]
for line in self.item_list:
name, description, price_per_day, availability = line.split(",")
if "in" in availability:
temp_button = Button(text=name, background_color=[0, 1, 0, 1])
else:
temp_button = Button(text=name, background_color=[0.9, 0.3, 0.5, 1])
temp_button.bind(on_press=self.press_item)
self.root.ids.itemsBox.add_widget(temp_button)
def press_item(self, instance):
for line in self.item_list:
name, description, price_per_day, availability = line.split(",")
if instance.text == name:
if self.root.ids.item_list.background_color == [0, 0.5, 0.5, 1]:
self.root.ids.label.text = "{} ({}), ${:,.2f} is {}".format(name, description, float(price_per_day), availability)
elif self.root.ids.hire_item.background_color == [0, 0.5, 0.5, 1]:
if "in" in availability:
self.root.ids.label.text = "Hiring: {} for ${:,.2f}".format(name, float(price_per_day))
else:
self.root.ids.label.text = "Hiring: no items for $0.00"
elif self.root.ids.return_item.background_color == [0, 0.5, 0.5, 1]:
if "out" in availability:
self.root.ids.label.text = "Returning: {}".format(name)
else:
self.root.ids.label.text = "Returning: no items"
def confirm(self): #this made a confirm change on the hire/return
item_count = 0
with open("items.csv") as file:
read_items = file.readlines()
for line in read_items:
name, description, price_per_day, availibility = line.split(",")
if name in self.root.ids.label.text:
if self.root.ids.hire_item.background_color == [0, 0.5, 0.5, 1]:
self.item_list.clear()
read_items[item_count] = read_items[item_count].replace("in", "out")
with open("items.csv", "w") as file:
file.writelines(read_items)
for line in read_items:
self.item_list.store(line)
file.close()
self.itemlist()
elif self.root.ids.return_item.background_color == [0, 0.5, 0.5, 1]:
self.item_list.clear()
read_items[item_count] = read_items[item_count].replace("out", "in")
with open("items.csv", "w") as file:
file.writelines(read_items) # commit changes to the csv file
for line in read_items:
self.item_list.store(line)
file.close()
self.itemlist()
item_count += 1
def save(self, name, description, price_per_day, availibility): #saves the details in the popup menu
def price_check(cost):
try:
float(cost)
return True
except ValueError:
return False
if len(name.strip()) == 0 or len(description.strip()) == 0 or len(price_per_day.strip()) == 0:
availibility.text = "All fields must be completed"
elif price_check(price_per_day) == False:
availibility.text = "Price must be valid number"
elif price_check(price_per_day) == True and float(price_per_day) < 0:
availibility.text = "Price cannot be negative"
else:
add_item = "\n{},{},{},in".format(name, description, float(price_per_day))
with open("items.csv", "a") as file:
file.writelines(add_item)
self.item_list.store(add_item)
self.cancel()
self.itemlist()
def additem(self): #opens up the popup menu
self.root.ids.item_list.background_color = [1, 1, 1, 1]
self.root.ids.hire_item.background_color = [1, 1, 1, 1]
self.root.ids.return_item.background_color = [1, 1, 1, 1]
self.root.ids.confirm.background_color = [1, 1, 1, 1]
self.root.ids.add_item.background_color = [0, 0.5, 0.5, 1]
self.root.ids.popup.open()
def cancel(self): #turn back the popup as it's default
self.root.ids.itemName.text = ""
self.root.ids.description.text = ""
self.root.ids.price_per_day.text = ""
self.root.ids.popup.dismiss() #closes the popup
class ItemsForHire(App):
# INITIALISER
def __init__(self, **kwargs):
"""
Acts as the constructor for ItemsForHire which loads the items.csv to read the files and stores them in
a list.
"""
super(ItemsForHire, self).__init__(**kwargs)
self.list_item = ItemList()
item_lines_list = open("items.csv", "r+")
self.items = []
for line in item_lines_list:
self.items.append(line + ",False")
self.list_item.store(line)
self.names = []
self.price = 0.00
# LOAD KIVY FILE
def build(self):
"""
Is used to set the title of the app and loads the Kivy file for listing, hiring, returning, confirming.
"""
self.title = "Equipment Hire"
self.root = Builder.load_file('main.kv')
self.listing_items()
return self.root
# LIST ITEMS
def listing_items(self):
"""
Is used to list items present in items.csv
"""
self.root.ids.item_buttons.clear_widgets()
self.root.ids.list_item.background_color = (0, 0.99, 0.99, 1)
self.root.ids.hire_item.background_color = (1, 1, 1, 1)
self.root.ids.return_item.background_color = (1, 1, 1, 1)
item_count = 0
for line in self.list_item:
name, desc, price, hire = line.split(',')
if "in" in hire:
temp_button = Button(text=name, background_color=(0, 1, 0, 1))
else:
temp_button = Button(text=name, background_color=(1, 0, 0, 1))
temp_button.bind(on_press=self.item_press)
self.root.ids.item_buttons.add_widget(temp_button)
item_count += 1
# HIRE ITEMS
def hiring_items(self):
"""
Is used to hire an item if it is available
"""
self.names = []
self.price = 0.00
for item_count, line in enumerate(self.items):
part = line.split(',')
part[4] = "False"
self.items[item_count] = "{},{},{},{},{}".format(
str(part[0]).strip("[]").replace("'", ""),
str(part[1]).strip("[]").replace("'", ""),
str(part[2]).strip("[]").replace("'", ""),
part[3].replace("'", ""),
str(part[4]).strip("[]").replace("'", ""))
self.root.ids.item_buttons.clear_widgets()
self.root.ids.list_item.background_color = (1, 1, 1, 1)
self.root.ids.hire_item.background_color = (0, 0.99, 0.99, 1)
self.root.ids.return_item.background_color = (1, 1, 1, 1)
for line in self.list_item:
name, desc, price, hire = line.split(',')
if "in" in hire:
temp_button = Button(text=name, background_color=(0, 1, 0, 1))
else:
temp_button = Button(text=name, background_color=(1, 0, 0, 1))
temp_button.bind(on_press=self.item_press)
self.root.ids.item_buttons.add_widget(temp_button)
# RETURN ITEM
def returning_items(self):
"""
Is used to return an item that has been hired.
"""
self.names = []
for item_count, line in enumerate(self.items):
part = line.split(',')
part[4] = "False"
self.items[item_count] = "{},{},{},{},{}".format(
str(part[0]).strip("[]").replace("'", ""),
str(part[1]).strip("[]").replace("'", ""),
str(part[2]).strip("[]").replace("'", ""),
part[3].replace("'", ""),
str(part[4]).strip("[]").replace("'", ""))
self.names = []
self.root.ids.item_buttons.clear_widgets()
self.root.ids.list_item.background_color = (1, 1, 1, 1)
self.root.ids.hire_item.background_color = (1, 1, 1, 1)
self.root.ids.return_item.background_color = (0, 0.99, 0.99, 1)
for line in self.list_item:
name, desc, price, hire = line.split(',')
if 'in' in hire:
temp_button = Button(text=name, background_color=(0, 1, 0, 1))
else:
temp_button = Button(text=name, background_color=(1, 0, 0, 1))
temp_button.bind(on_press=self.item_press)
self.root.ids.item_buttons.add_widget(temp_button)
# CONFIRM ITEM TO BE HIRED OR RETURNED
def confirming_items(self):
"""
Is used to confirm an item when it is needed to be hired or returned
"""
with open("items.csv") as file:
item_lines_list = file.readlines()
for instance in self.root.ids.item_buttons.children:
for item_count in range(len(self.items)):
self.part = self.items[item_count].split(',')
if instance.text in self.part:
if (self.part)[3] == 'in\n' and (self.part)[4] == 'True':
(self.part)[3] = 'out\n'
(self.part)[4] = "False"
self.items[item_count] = "{},{},{},{},{}".format(
str(self.part[0]).strip("[]").replace("'", ""),
str(self.part[1]).strip("[]").replace("'", ""),
str(self.part[2]).strip("[]").replace("'", ""),
self.part[3].replace("'", ""),
str(self.part[4]).strip("[]").replace("'", ""))
item_lines_list[item_count] = item_lines_list[
item_count].replace('in', 'out')
self.list_item.clear()
for line in item_lines_list:
self.list_item.store(line)
with open("items.csv", "w") as file:
file.writelines(item_lines_list)
self.listing_items()
elif (self.part)[3] == 'out\n' and (
self.part)[4] == 'True':
(self.part)[3] = 'in\n'
(self.part)[4] = "False"
self.items[item_count] = "{},{},{},{},{}".format(
str(self.part[0]).strip("[]").replace("'", ""),
str(self.part[1]).strip("[]").replace("'", ""),
str(self.part[2]).strip("[]").replace("'", ""),
self.part[3].replace("'", ""),
str(self.part[4]).strip("[]").replace("'", ""))
item_lines_list[item_count] = item_lines_list[
item_count].replace('out', 'in')
self.list_item.clear()
for line in item_lines_list:
self.list_item.store(line)
with open("items.csv", "w") as file:
file.writelines(item_lines_list)
self.listing_items()
def item_press(self, instance):
"""
This converts an item from hire to hired and also displays message if an item is available to hire inside the
label.
"""
item_count = 0
for line in self.list_item:
name, desc, price, hire = line.split(',')
if instance.text == name:
if self.root.ids.list_item.background_color == [
0, 0.99, 0.99, 1
]:
self.root.ids.main_label.text = "{} ({}), ${:,.2f} is {}".format(
name, desc, float(price), hire)
elif self.root.ids.hire_item.background_color == [
0, 0.99, 0.99, 1
]:
part = self.items[item_count].split(",")
if "in" in hire:
if part[4] == "False":
part[4] = "True"
self.items[item_count] = "{},{},{},{},{}".format(
str(part[0]).strip("[]").replace("'", ""),
str(part[1]).strip("[]").replace("'", ""),
str(part[2]).strip("[]").replace("'", ""),
part[3].replace("'", ""),
str(part[4]).strip("[]").replace("'", ""))
self.root.ids.main_label.text = "Hiring: {} for ${:,.2f}.".format(
name, float(price))
else:
self.root.ids.main_label.text = "Hiring nothing."
elif self.root.ids.return_item.background_color == [
0, 0.99, 0.99, 1
]:
part = self.items[item_count].split(",")
if "out" in hire:
if part[4] == "False":
part[4] = "True"
self.items[item_count] = "{},{},{},{},{}".format(
str(part[0]).strip("[]").replace("'", ""),
str(part[1]).strip("[]").replace("'", ""),
str(part[2]).strip("[]").replace("'", ""),
part[3].replace("'", ""),
str(part[4]).strip("[]").replace("'", ""))
self.root.ids.main_label.text = "Returning: {}.".format(
name)
else:
self.root.ids.main_label.text = "Returning nothing."
item_count += 1
# ADDING A NEW ITEM
def adding_new_items(self):
"""
Is used to add a new item to the csv file and I decided to use a different Kivy file because I found it to be
messy when it was implemented on the main Kivy file.
"""
self.root.ids.item_buttons.clear_widgets()
self.root.ids.list_item.background_color = (1, 1, 1, 1)
self.root.ids.hire_item.background_color = (1, 1, 1, 1)
self.root.ids.return_item.background_color = (1, 1, 1, 1)
new_item = Builder.load_file('new_item.kv')
self.pop_up = Popup(title="Add New Item", content=new_item)
self.pop_up.open()
def saving_new(self, name, desc, price, label):
"""
Is used to save new item to the csv and also does error checking incase the user enters funny values.
"""
def price_validity(price):
try:
float(price)
return True
except ValueError:
return False
if len(name.strip()) == 0 or len(desc.strip()) == 0 or len(
price.strip()) == 0:
label.text = "All fields must be completed"
elif price_validity(price) == False:
label.text = "Price must be valid number"
elif price_validity(price) == True and float(price) < 0:
label.text = "Price cannot be negative"
else:
item_new = "{},{},{},in".format(name, desc, float(price))
with open("items.csv", "a") as file:
file.writelines(item_new)
self.list_item.store(item_new)
self.cancelling_new()
self.listing_items()
def cancelling_new(self):
"""
Is used when the user decides not to add a new item.
"""
self.pop_up.dismiss()
self.listing_items()
def on_stop(self):
"""
Displays the number of items present in items.csv after the App is closed.
"""
num_lines = sum(1 for line in open('items.csv'))
print("{} items saved to items.csv".format(num_lines))
