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main.py
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main.py
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#!/home/viktor/Dokumente/Kreschendo/Projekte/FoodManagerMD/vpython/bin/python
# -*- coding: utf-8 -*-
from kivy.app import App
from kivy.metrics import dp
from kivy.storage.jsonstore import JsonStore
from kivy.utils import platform
from kivy.uix.screenmanager import Screen
from kivy.uix.recycleview.views import RecycleDataViewBehavior
from kivy.uix.label import Label
from kivy.properties import BooleanProperty
from kivy.uix.recycleboxlayout import RecycleBoxLayout
from kivy.uix.behaviors import FocusBehavior
from kivy.uix.recycleview.layout import LayoutSelectionBehavior
from kivy.uix.boxlayout import BoxLayout
from kivymd.dialog import MDDialog
from kivymd.label import MDLabel
from kivymd.snackbar import Snackbar
from kivymd.theming import ThemeManager
from kivymd.textfields import MDTextField
from datetime import datetime
from math import floor, ceil
import os
from shutil import copyfile
# from kivy.core.window import Window
# Window.size = (600, 800)
class WelcomeScreen(Screen):
pass
class ViewItemsScreen(Screen):
pass
class RecipesScreen(Screen):
pass
class OverViewScreen(Screen):
pass
class InputItemsScreen(Screen):
pass
class HistoryScreen(Screen):
pass
class BuyingItemsScreen(Screen):
pass
class AddRecipesScreen(Screen):
pass
class AboutScreen(Screen):
pass
class SelectableRecycleBoxLayout(FocusBehavior, LayoutSelectionBehavior, RecycleBoxLayout):
''' Adds selection and focus behaviour to the view. '''
pass
class SelectableItemLabel(RecycleDataViewBehavior, Label):
''' Add selection support to the Label '''
index = None
selected = BooleanProperty(False)
selectable = BooleanProperty(True)
def refresh_view_attrs(self, rv, index, data):
''' Catch and handle the view changes '''
self.index = index
return super(SelectableItemLabel, self).refresh_view_attrs(rv, index, data)
def on_touch_down(self, touch):
''' Add selection on touch down '''
if super(SelectableItemLabel, self).on_touch_down(touch):
return True
if self.collide_point(*touch.pos) and self.selectable:
return self.parent.select_with_touch(self.index, touch)
def apply_selection(self, rv, index, is_selected):
''' Respond to the selection of items in the view. '''
global selection_item
self.selected = is_selected
if is_selected:
selection_item = rv.data[index]['text']
fmapp.change_item_image_info()
class SelectableAddItemToRecipeLabel(RecycleDataViewBehavior, Label):
''' Add selection support to the Label '''
index = None
selected = BooleanProperty(False)
selectable = BooleanProperty(True)
def refresh_view_attrs(self, rv, index, data):
''' Catch and handle the view changes '''
self.index = index
return super(SelectableAddItemToRecipeLabel, self).refresh_view_attrs(rv, index, data)
def on_touch_down(self, touch):
''' Add selection on touch down '''
if super(SelectableAddItemToRecipeLabel, self).on_touch_down(touch):
return True
if self.collide_point(*touch.pos) and self.selectable:
return self.parent.select_with_touch(self.index, touch)
def apply_selection(self, rv, index, is_selected):
''' Respond to the selection of items in the view. '''
global selection
self.selected = is_selected
if is_selected:
selection = rv.data[index]['text']
fmapp.show_item_weight_recipe()
class SelectableRecipeItemLabel(RecycleDataViewBehavior, Label):
''' Add selection support to the Label '''
index = None
selected = BooleanProperty(False)
selectable = BooleanProperty(True)
def refresh_view_attrs(self, rv, index, data):
''' Catch and handle the view changes '''
self.index = index
return super(SelectableRecipeItemLabel, self).refresh_view_attrs(rv, index, data)
def on_touch_down(self, touch):
''' Add selection on touch down '''
if super(SelectableRecipeItemLabel, self).on_touch_down(touch):
return True
if self.collide_point(*touch.pos) and self.selectable:
return self.parent.select_with_touch(self.index, touch)
def apply_selection(self, rv, index, is_selected):
''' Respond to the selection of items in the view. '''
global selection_iteminrecipe
self.selected = is_selected
if is_selected:
selection_iteminrecipe = rv.data[index]['text']
# fmapp.show_item_weight_recipe()
class SelectableRecipeLabel(RecycleDataViewBehavior, Label):
''' Add selection support to the Label '''
index = None
selected = BooleanProperty(False)
selectable = BooleanProperty(True)
def refresh_view_attrs(self, rv, index, data):
''' Catch and handle the view changes '''
self.index = index
return super(SelectableRecipeLabel, self).refresh_view_attrs(rv, index, data)
def on_touch_down(self, touch):
''' Add selection on touch down '''
if super(SelectableRecipeLabel, self).on_touch_down(touch):
return True
if self.collide_point(*touch.pos) and self.selectable:
return self.parent.select_with_touch(self.index, touch)
def apply_selection(self, rv, index, is_selected):
''' Respond to the selection of items in the view. '''
global selection_recipe
self.selected = is_selected
if is_selected:
selection_recipe = rv.data[index]['text']
fmapp.show_items_in_recipe()
class SelectableRecipeAtHomeLabel(RecycleDataViewBehavior, Label):
''' Add selection support to the Label '''
index = None
selected = BooleanProperty(False)
selectable = BooleanProperty(True)
def refresh_view_attrs(self, rv, index, data):
''' Catch and handle the view changes '''
self.index = index
return super(SelectableRecipeAtHomeLabel, self).refresh_view_attrs(rv, index, data)
def on_touch_down(self, touch):
''' Add selection on touch down '''
if super(SelectableRecipeAtHomeLabel, self).on_touch_down(touch):
return True
if self.collide_point(*touch.pos) and self.selectable:
return self.parent.select_with_touch(self.index, touch)
def apply_selection(self, rv, index, is_selected):
''' Respond to the selection of items in the view. '''
global selection_viarecipe
self.selected = is_selected
if is_selected:
selection_viarecipe = rv.data[index]['text']
class SelectableItemAtHomeLabel(RecycleDataViewBehavior, Label):
''' Add selection support to the Label '''
index = None
selected = BooleanProperty(False)
selectable = BooleanProperty(True)
def refresh_view_attrs(self, rv, index, data):
''' Catch and handle the view changes '''
self.index = index
return super(SelectableItemAtHomeLabel, self).refresh_view_attrs(rv, index, data)
def on_touch_down(self, touch):
''' Add selection on touch down '''
if super(SelectableItemAtHomeLabel, self).on_touch_down(touch):
return True
if self.collide_point(*touch.pos) and self.selectable:
return self.parent.select_with_touch(self.index, touch)
def apply_selection(self, rv, index, is_selected):
''' Respond to the selection of items in the view. '''
global selection_itemathome
self.selected = is_selected
if is_selected:
selection_itemathome = rv.data[index]['text']
fmapp.show_item_weight_used_home(selectedItem=selection_itemathome)
class SelectableRecipeAddCartLabel(RecycleDataViewBehavior, Label):
''' Add selection support to the Label '''
index = None
selected = BooleanProperty(False)
selectable = BooleanProperty(True)
def refresh_view_attrs(self, rv, index, data):
''' Catch and handle the view changes '''
self.index = index
return super(SelectableRecipeAddCartLabel, self).refresh_view_attrs(rv, index, data)
def on_touch_down(self, touch):
''' Add selection on touch down '''
if super(SelectableRecipeAddCartLabel, self).on_touch_down(touch):
return True
if self.collide_point(*touch.pos) and self.selectable:
return self.parent.select_with_touch(self.index, touch)
def apply_selection(self, rv, index, is_selected):
''' Respond to the selection of items in the view. '''
global selection_recipetocart
self.selected = is_selected
if is_selected:
selection_recipetocart = rv.data[index]['text']
class SelectableItemAddCartLabel(RecycleDataViewBehavior, Label):
''' Add selection support to the Label '''
index = None
selected = BooleanProperty(False)
selectable = BooleanProperty(True)
def refresh_view_attrs(self, rv, index, data):
''' Catch and handle the view changes '''
self.index = index
return super(SelectableItemAddCartLabel, self).refresh_view_attrs(rv, index, data)
def on_touch_down(self, touch):
''' Add selection on touch down '''
if super(SelectableItemAddCartLabel, self).on_touch_down(touch):
return True
if self.collide_point(*touch.pos) and self.selectable:
return self.parent.select_with_touch(self.index, touch)
def apply_selection(self, rv, index, is_selected):
''' Respond to the selection of items in the view. '''
global selection_itemtocart
self.selected = is_selected
if is_selected:
selection_itemtocart = rv.data[index]['text']
fmapp.show_cartitem_weight_used_home(selection_itemtocart)
class SelectableCartViewLabel(RecycleDataViewBehavior, Label):
''' Add selection support to the Label '''
index = None
selected = BooleanProperty(False)
selectable = BooleanProperty(True)
def refresh_view_attrs(self, rv, index, data):
''' Catch and handle the view changes '''
self.index = index
return super(SelectableCartViewLabel, self).refresh_view_attrs(rv, index, data)
def on_touch_down(self, touch):
''' Add selection on touch down '''
if super(SelectableCartViewLabel, self).on_touch_down(touch):
return True
if self.collide_point(*touch.pos) and self.selectable:
return self.parent.select_with_touch(self.index, touch)
def apply_selection(self, rv, index, is_selected):
''' Respond to the selection of items in the view. '''
global selection_cartview
self.selected = is_selected
if is_selected:
selection_cartview = rv.data[index]['text']
class SelectableInCartItemLabel(RecycleDataViewBehavior, Label):
''' Add selection support to the Label '''
index = None
selected = BooleanProperty(False)
selectable = BooleanProperty(True)
def refresh_view_attrs(self, rv, index, data):
''' Catch and handle the view changes '''
self.index = index
return super(SelectableInCartItemLabel, self).refresh_view_attrs(rv, index, data)
def on_touch_down(self, touch):
''' Add selection on touch down '''
if super(SelectableInCartItemLabel, self).on_touch_down(touch):
return True
if self.collide_point(*touch.pos) and self.selectable:
return self.parent.select_with_touch(self.index, touch)
def apply_selection(self, rv, index, is_selected):
''' Respond to the selection of items in the view. '''
global selection_incartitem
self.selected = is_selected
if is_selected:
selection_incartitem = rv.data[index]['text']
class SelectableStagedItemLabel(RecycleDataViewBehavior, Label):
''' Add selection support to the Label '''
index = None
selected = BooleanProperty(False)
selectable = BooleanProperty(True)
def refresh_view_attrs(self, rv, index, data):
''' Catch and handle the view changes '''
self.index = index
return super(SelectableStagedItemLabel, self).refresh_view_attrs(rv, index, data)
def on_touch_down(self, touch):
''' Add selection on touch down '''
if super(SelectableStagedItemLabel, self).on_touch_down(touch):
return True
if self.collide_point(*touch.pos) and self.selectable:
return self.parent.select_with_touch(self.index, touch)
def apply_selection(self, rv, index, is_selected):
''' Respond to the selection of items in the view. '''
global selection_stageditem
self.selected = is_selected
if is_selected:
selection_stageditem = rv.data[index]['text']
# APP CLASS
class FoodManagerApp(App):
theme_cls = ThemeManager()
title = "Food Manager"
theme_cls.theme_style = 'Dark'
icon = 'img/groceries.png'
theme_cls.primary_palette = 'Teal'
if platform == 'android':
dir_path = ''
else:
dir_path = f'{os.getcwd()}/'
edit_recipe_bool = False
edit_item_bool = False
menu_items = [
{'viewclass': 'MDMenuItem',
'text': 'Settings'},
{'viewclass': 'MDMenuItem',
'text': 'Themes'}
]
def permission_exception(function):
"""
A decorator that wraps the passed in function and throws a permission denied warning.
"""
# @functools.wraps(function)
def wrapper(self, *args, **kwargs):
try:
function(self, *args, **kwargs)
except:
self.show_permission_warning()
return wrapper
@permission_exception
def create_dir_structure(self):
if not os.path.exists(self.dir_path + 'data/'):
os.makedirs(self.dir_path + 'data/')
if not os.path.exists(self.dir_path + 'img/'):
os.makedirs(self.dir_path + 'img/')
@permission_exception
def create_backup_dirs(self):
if platform == 'android':
if not os.path.exists('/storage/emulated/0/FoodManager'):
os.makedirs('/storage/emulated/0/FoodManager/')
@permission_exception
def back_up(self):
self.create_backup_dirs()
if platform == 'android':
if os.path.exists('data/athome.json'):
copyfile(
'data/athome.json',
'/storage/emulated/0/FoodManager/athome.json'
)
if os.path.exists('data/cartitemlist.json'):
copyfile(
'data/cartitemlist.json',
'/storage/emulated/0/FoodManager/cartitemlist.json'
)
if os.path.exists('data/foodmanager.json'):
copyfile(
'data/foodmanager.json',
'/storage/emulated/0/FoodManager/foodmanager.json'
)
if os.path.exists('data/recipes.json'):
copyfile(
'data/recipes.json',
'/storage/emulated/0/FoodManager/recipes.json'
)
if os.path.exists('/storage/emulated/0/FoodManager/history.json'):
copyfile(
'data/history.json',
'/storage/emulated/0/FoodManager/history.json'
)
#########################################################
# WELCOME
#########################################################
@permission_exception
def restore_files(self):
if platform == 'android':
if os.path.exists('/storage/emulated/0/FoodManager/athome.json'):
copyfile('/storage/emulated/0/FoodManager/athome.json',
'data/athome.json')
if os.path.exists('/storage/emulated/0/FoodManager/cartitemlist.json'):
copyfile('/storage/emulated/0/FoodManager/cartitemlist.json',
'data/cartitemlist.json')
if os.path.exists('/storage/emulated/0/FoodManager/foodmanager.json'):
copyfile('/storage/emulated/0/FoodManager/foodmanager.json',
'data/foodmanager.json')
if os.path.exists('/storage/emulated/0/FoodManager/recipes.json'):
copyfile('/storage/emulated/0/FoodManager/recipes.json',
'data/recipes.json')
if os.path.exists('/storage/emulated/0/FoodManager/history.json'):
copyfile('/storage/emulated/0/FoodManager/history.json',
'data/history.json')
self.show_snackbar('Data restored!')
self.init_data()
self.refresh_all()
self.dialog.dismiss()
def show_restore_warning_dialog(self):
content = MDLabel(font_style='Body1',
theme_text_color='Secondary',
text="Are you sure you want to overwrite your internal data with external data from /storage/emulated/0/FoodManager?",
size_hint_y=None,
valign='top')
content.bind(texture_size=content.setter('size'))
self.dialog = MDDialog(title="Warning: Restore data?",
content=content,
size_hint=(.8, None),
height=dp(200),
auto_dismiss=True)
self.dialog.add_action_button("Yes",
action=lambda *x: self.restore_files())
self.dialog.add_action_button("No",
action=lambda *x: self.dialog.dismiss())
self.dialog.open()
#########################################################
# OVERVIEW
#########################################################
def view_home_items(self):
homeitemsInput = [drow[0] +
' | ' +
str(drow[1]['TotalWeight']) +
' (=' + str(drow[1]['ItemWeight']) +
' x ' + str(drow[1]['Count']) +
')' for drow in self.athome.find()]
FoodWeight, FoodCost = 0, 0
for itm in homeitemsInput:
FoodWeight += float(itm.split(' | ')[1].split('g (=')[0])
FoodCost += (float(self.store.get(itm.split(' | ')[0])['FoodCost']) *
float(itm.split(' | ')[1].split('g (=')[0]) /
float(self.store.get(itm.split(' | ')[0])['FoodWeight']))
homeInfoView_item_strings = ['Cost: {}€'.format(round(float(FoodCost), 2)),
'Weight: {}g'.format(FoodWeight)]
self.root.ids.overview_screen.ids.homeInfoView.data = [{'text': str(x)} for x in homeInfoView_item_strings]
homeitemsInput.sort()
self.root.ids.overview_screen.ids.homeitems.data = [{'text': str(x)} for x in homeitemsInput]
# self.root.ids.overview_screen.ids.homeitems.item_strings = homeitemsInput
# self.root.ids.buyingitems_screen.ids.actualitemsatHome.item_strings = homeitemsInput
self.root.ids.buyingitems_screen.ids.actualitemsatHome.data = [{'text': str(x)} for x in homeitemsInput]
def view_cart_items(self):
cartlistInput = [drow[0] +
' | ' +
str(drow[1]['TotalWeight']) +
' (=' + str(drow[1]['ItemWeight']) +
' x ' + str(drow[1]['Count']) +
')' for drow in self.cartlist.find()]
FoodWeight, FoodCost = 0, 0
for itm in cartlistInput:
FoodWeight += float(itm.split(' | ')[1].split('g')[0])
FoodCost += round(float(self.store.get(itm.split(' | ')[0])['FoodCost']) * float(itm.split(
' | ')[1].split('g')[0]) / float(self.store.get(itm.split(' | ')[0])['FoodWeight']), 2)
cartInfoView_item_strings = ['Cost: {}€'.format(round(float(FoodCost), 2)),
'Weight: {}g'.format(FoodWeight)]
self.root.ids.overview_screen.ids.cartInfoView.data = [{'text': str(x)} for x in cartInfoView_item_strings]
cartlistInput.sort()
self.root.ids.overview_screen.ids.buyitems.data = [{'text': str(x)} for x in cartlistInput]
self.root.ids.buyingitems_screen.ids.cartDB.data = [{'text': str(x)} for x in cartlistInput]
# self.root.ids.overview_screen.ids.buyitems.item_strings = cartlistInput
# self.root.ids.buyingitems_screen.ids.cartDB.item_strings = cartlistInput
def view_recipe_items(self):
availabelRecipes = []
recipeInput = []
counter = []
for drow in self.recipe.find():
for ahome in self.athome.find():
for its in list(set(drow[1]['Items'])):
if (ahome[0] == its.split(' | ')[0] and float(ahome[1]['TotalWeight'].split('g')[0]) >= float(
its.split(' | ')[1].split('g')[0])):
recipeInput.append(drow[0])
counter.append(
floor(
float(ahome[1]['TotalWeight'].split('g')[0]) / float(
its.split(' | ')[1].split('g')[0])))
for rec in set(recipeInput):
indices = [i for i, x in enumerate(recipeInput) if x == rec]
mins = [counter[i] for i in indices]
for rec2 in self.recipe.find():
if rec2[0] == rec and len(set(rec2[1]['Items'])) == float(recipeInput.count(rec)):
availabelRecipes.append(rec + ' x ' + str(min(mins)))
availabelRecipes.sort()
self.root.ids.overview_screen.ids.recitems.data = [{'text': str(x)} for x in availabelRecipes]
self.root.ids.buyingitems_screen.ids.actualrecipesatHome.data = [{'text': str(x)} for x in availabelRecipes]
def view_recipe_cart_items(self):
availabelRecipes = []
recipeInput = []
counter = []
for drow in self.recipe.find():
for acart in self.cartlist.find():
for its in list(set(drow[1]['Items'])):
if (acart[0] == its.split(' | ')[0] and float(acart[1]['TotalWeight'].split('g')[0]) >= float(
its.split(' | ')[1].split('g')[0])):
recipeInput.append(drow[0])
counter.append(
floor(
float(acart[1]['TotalWeight'].split('g')[0]) / float(
its.split(' | ')[1].split('g')[0])))
for rec in set(recipeInput):
indices = [i for i, x in enumerate(recipeInput) if x == rec]
mins = [counter[i] for i in indices]
for rec2 in self.recipe.find():
if rec2[0] == rec and len(set(rec2[1]['Items'])) == float(recipeInput.count(rec)):
availabelRecipes.append(rec + ' x ' + str(min(mins)))
availabelRecipes.sort()
self.root.ids.overview_screen.ids.cartitemsrecipes.data = [{'text': str(x)} for x in availabelRecipes]
# self.root.ids.overview_screen.ids.cartitemsrecipes.item_strings = availabelRecipes
def view_na_recipes(self):
cartRecs = [cartitemrecs['text'].split(' x ')[0] for cartitemrecs in
self.root.ids.overview_screen.ids.cartitemsrecipes.data]
homeRecs = [homeitemrecs['text'].split(' x ')[0] for homeitemrecs in
self.root.ids.overview_screen.ids.recitems.data]
cartRecs.extend(homeRecs)
recs = [recipe[0] for recipe in self.recipe.find()]
narecipes_item_strings = list(set(recs).difference(cartRecs))
self.root.ids.overview_screen.ids.narecipes.data = [{'text': str(x)} for x in narecipes_item_strings]
def show_cart_warning_dialog(self):
content = MDLabel(font_style='Body1',
theme_text_color='Secondary',
text="Are you sure you want to delete all cart items you have added so far?",
size_hint_y=None,
valign='top')
content.bind(texture_size=content.setter('size'))
self.dialog = MDDialog(title="Delete Cart Items?",
content=content,
size_hint=(.8, None),
height=dp(200),
auto_dismiss=False)
self.dialog.add_action_button("Yes",
action=lambda *x: self.manual_cart_deletion())
self.dialog.add_action_button("No",
action=lambda *x: self.dialog.dismiss())
self.dialog.open()
def manual_cart_deletion(self):
self.refresh_cart_list()
self.dialog.dismiss()
self.refresh_all()
def show_home_warning_dialog(self):
content = MDLabel(font_style='Body1',
theme_text_color='Secondary',
text="Are you sure you want to delete all home items you have added so far?",
size_hint_y=None,
valign='top')
content.bind(texture_size=content.setter('size'))
self.dialog = MDDialog(title="Delete Home Items?",
content=content,
size_hint=(.8, None),
height=dp(200),
auto_dismiss=False)
self.dialog.add_action_button("Yes",
action=lambda *x: self.manual_home_deletion())
self.dialog.add_action_button("No",
action=lambda *x: self.dialog.dismiss())
self.dialog.open()
def manual_home_deletion(self):
self.refresh_home_list()
self.dialog.dismiss()
self.refresh_all()
def show_home_dialog(self):
content = MDLabel(font_style='Body1',
theme_text_color='Secondary',
text="These are all your items at home.",
size_hint_y=None,
valign='top')
content.bind(texture_size=content.setter('size'))
self.dialog = MDDialog(title="Home Items",
content=content,
size_hint=(.8, None),
height=dp(200),
auto_dismiss=False)
self.dialog.add_action_button("Dismiss",
action=lambda *x: self.dialog.dismiss())
self.dialog.open()
def show_cart_dialog(self):
content = MDLabel(font_style='Body1',
theme_text_color='Secondary',
text="These are all your items which you want to buy.",
size_hint_y=None,
valign='top')
content.bind(texture_size=content.setter('size'))
self.dialog = MDDialog(title="Cart Items",
content=content,
size_hint=(.8, None),
height=dp(200),
auto_dismiss=False)
self.dialog.add_action_button("Dismiss",
action=lambda *x: self.dialog.dismiss())
self.dialog.open()
#########################################################
# INPUT ITEMS
#########################################################
def add_item(self, strFood, strWeight, strCost):
if not self.edit_item_bool:
if strFood and strWeight and strCost:
try:
float(strWeight)
float(strCost)
# self.store.put(strFood.replace(" ", "_"),
# FoodWeight=strWeight,
# FoodCost=strCost,
# TimeID=datetime.strftime(datetime.now(), '%d.%m.%Y %H:%M:%S'))
self.store.put(strFood,
FoodWeight=strWeight,
FoodCost=strCost,
TimeID=datetime.strftime(datetime.now(), '%d.%m.%Y %H:%M:%S'))
self.show_snackbar('Added ' + strFood + ' !')
self.root.ids.inputitems_screen.ids.itemname.text = ""
self.root.ids.inputitems_screen.ids.itemweight.text = ""
self.root.ids.inputitems_screen.ids.itemcost.text = ""
except Exception as e:
self.show_input_datatype_error_dialog(str(e))
else:
self.show_input_incomplete_error_dialog()
else:
if strFood and strWeight and strCost:
try:
self.show_warning_update_item_dialog(strFood, strWeight, strCost)
except Exception as e:
self.show_input_datatype_error_dialog(str(e))
else:
self.show_input_incomplete_error_dialog()
self.edit_item_bool = False
def show_input_datatype_error_dialog(self, text):
content = MDLabel(font_style='Body1',
theme_text_color='Secondary',
text=text,
size_hint_y=None,
valign='top')
content.bind(texture_size=content.setter('size'))
self.dialog = MDDialog(title="Datatype Input Error",
content=content,
size_hint=(.8, None),
height=dp(200),
auto_dismiss=False)
self.dialog.add_action_button("Dismiss",
action=lambda *x: self.dialog.dismiss())
self.dialog.open()
def show_input_incomplete_error_dialog(self):
content = MDLabel(font_style='Body1',
theme_text_color='Secondary',
text="Please fill out every cell!",
size_hint_y=None,
valign='top')
content.bind(texture_size=content.setter('size'))
self.dialog = MDDialog(title="Incomplete Input Error",
content=content,
size_hint=(.8, None),
height=dp(200),
auto_dismiss=False)
self.dialog.add_action_button("Dismiss",
action=lambda *x: self.dialog.dismiss())
self.dialog.open()
#########################################################
# VIEW ITEMS
#########################################################
def change_item_image_info(self):
if selection_item:
self.root.ids.viewitems_screen.ids.itemID.text = selection_item
FoodCost = self.store.get(selection_item)['FoodCost']
FoodWeight = self.store.get(selection_item)['FoodWeight']
self.root.ids.viewitems_screen.ids.infoView.text = ''.join(
['Cost: {}€\n'.format(FoodCost), 'Weight: {}g\n'.format(FoodWeight)])
def update_item(self):
foodInput = [drow[0] for drow in self.store.find()]
foodInput.sort()
self.root.ids.viewitems_screen.ids.dbOutput.data = [{'text': str(x)} for x in foodInput]
def delete_item(self):
try:
if selection_item:
self.show_snackbar(
'Removed ' + selection_item)
recipeToDelete = [rec[0] for rec in self.recipe.find(
) for itm in rec[1]['Items'] if itm.split(' | ')[0] == selection_item]
for drec in recipeToDelete:
self.recipe.delete(drec)
if self.athome.exists(selection_item):
self.athome.delete(selection_item)
if self.cartlist.exists(selection_item):
self.cartlist.delete(selection_item)
if self.history.exists(selection_item):
self.history.delete(selection_item)
if self.store.exists(selection_item):
self.store.delete(selection_item)
self.root.ids.viewitems_screen.ids.searchItems.text = ""
self.dialog.dismiss()
self.refresh_all()
except Exception as e:
self.dialog.dismiss()
self.show_warning_no_item_selected_to_delete()
def show_warning_no_item_selected_to_delete(self):
content = MDLabel(font_style='Body1',
theme_text_color='Secondary',
text="No item was selected to be deleted.",
size_hint_y=None,
valign='top')
content.bind(texture_size=content.setter('size'))
self.dialog = MDDialog(title="No item selected!",
content=content,
size_hint=(.8, None),
height=dp(200),
auto_dismiss=True)
self.dialog.add_action_button("Dismiss",
action=lambda *x: self.dialog.dismiss())
self.dialog.open()
def filter_items(self, searchText):
lfoodInput = [drow[0].lower() for drow in self.store.find()]
foodInput = [drow[0] for drow in self.store.find()]
indices = [i for i, s in enumerate(lfoodInput) if searchText.lower() in s]
fitems = [foodInput[i] for i in indices]
fitems.sort()
self.root.ids.viewitems_screen.ids.dbOutput.data = [{'text': str(x)} for x in fitems]
def show_warning_delete_item_dialog(self):
content = MDLabel(font_style='Body1',
theme_text_color='Secondary',
text="Deleting an item will delete recipes, cart items and home items in which the item is present! Are you sure you want to proceed?",
size_hint_y=None,
valign='top')
content.bind(texture_size=content.setter('size'))
self.dialog = MDDialog(title="Warning Item Deletion!",
content=content,
size_hint=(.8, None),
height=dp(200),
auto_dismiss=True)
self.dialog.add_action_button("Yes",
action=lambda *x: self.delete_item())
self.dialog.add_action_button("No",
action=lambda *x: self.dialog.dismiss())
self.dialog.open()
#########################################################
# EDIT Items
#########################################################
def edit_item(self):
try:
self.root.ids.inputitems_screen.ids.itemname.text = selection_item
self.root.ids.inputitems_screen.ids.itemweight.text = self.store.get(selection_item)['FoodWeight']
self.root.ids.inputitems_screen.ids.itemcost.text = self.store.get(selection_item)['FoodCost']
self.root.ids.scr_mngr.transition.direction = 'left'
self.root.ids.scr_mngr.current = 'input'
self.edit_item_bool = True
except Exception as e:
self.show_warning_no_item_selected_to_edit()
def show_warning_no_item_selected_to_edit(self):
content = MDLabel(font_style='Body1',
theme_text_color='Secondary',
text=f"Select an item in the list to be edited.",
size_hint_y=None,
valign='top')
content.bind(texture_size=content.setter('size'))
self.dialog = MDDialog(title="No item selected!",
content=content,
size_hint=(.8, None),
height=dp(200),
auto_dismiss=True)
self.dialog.add_action_button("Dismiss",
action=lambda *x: self.dialog.dismiss())
self.dialog.open()
def show_warning_update_item_dialog(self, name, weight, cost):
content = MDLabel(font_style='Body1',
theme_text_color='Secondary',
text=f"Should the item {selection_item} be updated? {selection_item} will also be updated in the recipes items, at home items and in cart items.",
size_hint_y=None,
valign='top')
content.bind(texture_size=content.setter('size'))
self.dialog = MDDialog(title=f"Update item {selection_item}?",
content=content,
size_hint=(.8, None),
height=dp(200),
auto_dismiss=True)
self.dialog.add_action_button("Yes",
action=lambda *x: self.update_edit_item(name, weight, cost, False))
self.dialog.add_action_button("No",
action=lambda *x: self.dialog.dismiss())
self.dialog.open()
def show_warning_edited_item_already_exists(self, name, weight, cost):
self.dialog.dismiss()
content = MDLabel(font_style='Body1',
theme_text_color='Secondary',
text=f"The item {name} already exists in the database. Are you sure you want to overwrite it?",
size_hint_y=None,
valign='top')
content.bind(texture_size=content.setter('size'))
self.dialog = MDDialog(title=f"Item {name} already exist.",
content=content,
size_hint=(.8, None),
height=dp(200),
auto_dismiss=True)
self.dialog.add_action_button("Yes",
action=lambda *x: self.update_edit_item(name, weight, cost, True))
self.dialog.add_action_button("No",
action=lambda *x: self.dialog.dismiss())
self.dialog.open()
def update_edit_item(self, name, weight, cost, overwritebool=False):
if not self.store.exists(name) or overwritebool:
if selection_item:
self.show_snackbar('Updated ' + selection_item)
# Update in store
if self.store.exists(selection_item):
self.store.delete(selection_item)
self.store.put(name,
FoodWeight=weight,
FoodCost=cost,
TimeID=datetime.strftime(datetime.now(), '%d.%m.%Y %H:%M:%S'))
# Update at home
if self.athome.exists(selection_item):
totalweight = float(self.athome.get(selection_item)['TotalWeight'].split('g')[0])
weight = float(weight)
count = round(totalweight/weight,1)
self.athome.delete(selection_item)
self.athome.put(name,
TotalWeight=str(totalweight)+'g',
ItemWeight=str(weight)+'g',
Count=count,
TimeID=datetime.strftime(datetime.now(), '%d.%m.%Y %H:%M:%S'))
# Update in cart
if self.cartlist.exists(selection_item):
totalweight = float(self.cartlist.get(selection_item)['TotalWeight'].split('g')[0])
weight = float(weight)
count = round(totalweight/weight,1)
self.cartlist.delete(selection_item)
self.cartlist.put(name,
TotalWeight=str(totalweight)+'g',
ItemWeight=str(weight)+'g',
Count=str(count),
TimeID=datetime.strftime(datetime.now(), '%d.%m.%Y %H:%M:%S'))
# Update in recipe
##################
# Convert to a dict
recipe_hash_table = {}
temp_recipes = self.recipe.find()
weight = float(weight)
for hrec in temp_recipes:
recipe_hash_table[hrec[0]] = hrec[1]['Items']
found = False
for recipe_name, item_list in recipe_hash_table.items():
new_item_list = []
for it in item_list:
item_name, recipe_weight, item_weight, count = self.get_item_attributes_from_recipe_string(it)
if item_name == selection_item:
count = round(recipe_weight / weight, 1)
it = self.set_recipe_string_from_item_attributes(name, recipe_weight, weight, count)
found = True
new_item_list.append(it)
if found:
self.recipe.delete(recipe_name)
self.recipe.put(recipe_name,
Items=new_item_list,
TimeID=datetime.strftime(datetime.now(), '%d.%m.%Y %H:%M:%S'))
found = False
# Update in history
if self.history.exists(selection_item):
totalweight = float(self.history.get(selection_item)['TotalWeight'].split('g')[0])
weight = float(weight)
count = round(totalweight/weight,1)
self.history.delete(selection_item)
self.history.put(name,
TotalWeight=str(totalweight)+'g',
ItemWeight=str(weight)+'g',
Count=count,
TimeID=datetime.strftime(datetime.now(), '%d.%m.%Y %H:%M:%S'))