Pseudocode

The Pseudocode

• On app open, check to see if the user is logged in. If they are, then redirect to the index page

  • If not, then redirect to the login page
    • Once logged in, save the login settings in the database
    • Show the index page
    • If test mode is clicked
      • Set the username and password in the database to something the app recognizes as the test user.

• Index page

  • This page is where the user selects an option.
  • Show the following options:
    • Home
    • Ingredients
    • Insulin
    • Recipes
    • Settings
    • Logout
  • If a button to a page is clicked, navigate to that page
  • If logout is clicked, delete the existing login information and redirect to the login page

• Home page

  • Show a dashboard with the current blood glucose value, blood glucose value from last edited meal, graph showing blood glucose values over the last 2 hours, number of ingredients stored, and number of meals stored.
  • Constantly fetch dexcom values and update the database with them
    • If the user is the test user, update the database with random values within a range.

• Ingredients

  • Show a list of ingredients, with a button to add an ingredient
  • Let the user set the ingredient's name, carbs, and unit
    • Show delete option
  • If the user enters something in the search box
    • go through each ingredient and check if the search query is in the ingredient's name
    • If it isn't, hide the ingredient

• Insulin

  • Gather all of the ingredients from all of the meals that exist in the database and add it to a list. This will later be used for search
  • Let the user pick a meal- Breakfast, Lunch, Afternoon Snack, Dinner, or Night Snack
    • Show a date switcher
      • On date change, find the meal with the given date and set the current form to that meal
    • Show a button to go back to meal selector
      • On meal select, hide editor and show selector
    • Show a default set of an ingredient
      • Let the user pick a meal from an autocomplete dropdown
        • If meal is in the database, autofill carbs, servings, and unit
          • Add the carb and food id to a list for later reference. This will be used to automatically change the carbs when the serving amount is changed.
        • If not, let the user manually fill in the food data
    • Show a plus button to add a new blank set
    • On change of any input value, calculate the insulin.
      • Get the dexcom value and show it
      • Calculate the total carbs by iterating through the form
      • Get the I:C and ISF preferences from settings
        • If not found, show a warning.
      • Plug all factors into the equation and display the insulin dosage.
    • On meal change, check if main meal is selected.
      • If it is, get all of the sugar values for one meal after the meal in which the main food was used
      • Calculate a moving average from these values
      • Show it as an infobox above the meal
  • Show a search option in the main menu
    • If the user searches something, go through each ingredient in the list stored earlier, and check if the search query is in the ingredient's name
    • If it is, add the card to a list that will be looped and displayed
      • The card should show the ingredient name, carbs, date, and meal
      • Show a button to go to that meal
        • When clicked, set date to the date of the ingredient and fetch meal data by the id.
        • Show the insulin editor and hide the search screen

• Recipes

  • Show a list of recipes, with a button to add a recipe
    • On recipe select, show the ingredients in the recipe
      • Fill the form automatically with the recipe's ingredients found in the database
      • Let the user pick a meal from an autocomplete dropdown
        • If meal is in the database, autofill carbs, servings, and unit
          • Add the carb and food id to a list for later reference. This will be used to automatically change the carbs when the serving amount is changed.
        • If not, let the user manually fill in the food data
      • Show a plus button to add a new blank set
      • Show metadata, such as the recipe's name, servings, and unit
      • Every time something is changed, calculate all of the carbs.
      • Divide the carbs by the amount of servings and show it at the bottom.
  • If the user enters something in the search box
    • go through each ingredient and check if the search query is in the ingredient's name
    • If it isn't, hide the ingredient

• Settings

  • Fetch preferences from a database
    • If preferences found, set the form to the preferences
    • If not, set the form to the default empty list
    • Show all I:C and ISF preference options and save any time a value is edited.