def start_load(self):
"""Loads a list from a file.
:return: null
"""
# Request filename.
line_y, line_x = util.center_start(self._list_height-2, self._list_width-2, 1, 16)
self._list_display.addstr(line_y+4, 1, ' '*(self._list_width-2))
self._list_display.addstr(line_y+4, line_x, "Enter filename: ")
self._list_display.refresh()
# Get filename
curses.echo()
filename = self._list_display.getstr().decode(encoding="utf-8")
filename = 'shopping_lists/data/' + filename
curses.noecho()
# Try to load list, and recursively call start_command if the file isn't loaded.
try:
new_list = Recipe.create_from_file(filename)
# Add ingredients to the shopping list.
new_list.add_to(self._shopping_list)
# Alert user that list was updated..
line_y, line_x = util.center_start(self._list_height-2, self._list_width-2, 1, len(filename)+13)
self._list_display.addstr(line_y+5, line_x, "{} fully loaded".format(filename))
self._list_display.refresh()
except (FileNotFoundError, IsADirectoryError):
# Alert user that file was not found.
line_y, line_x = util.center_start(self._list_height-2, self._list_width-2, 1, 13)
self._list_display.addstr(line_y+5, line_x, "File not found.")
self._list_display.refresh()
# Retry getting a command
self.start_shopping_list()
def add_recipe(self, filename):
"""Load a recipe and add it to the shopping list.
:param filename: the recipe (located in saved_recipes) to be loaded
:return: null
"""
# Add the directory name to the filename.
filename = 'saved_recipes/' + filename
new_recipe = Recipe.create_from_file(filename)
# Add ingredients to the shopping list.
new_recipe.add_to(self._shopping_list)
# Alert user that list was updated.
self._list_display.addstr(self._list_height-2, 1, "{} fully loaded".format(filename))
self._list_display.refresh()
