devpro-christmas-codeoff-2024

Instructions

Welcome to Nick and Ian's DevPro Christmas Code-Off 2024! We will review these instructions with you before starting the timer.

Every mistake in your solution will add 1 minute to your time! Also, if your solution fails to produce the exact output for part 1 will result in a 5 minute penalty.

GL;HF, and may the best DevPro'er win!

How to run

• npm install
• npm start

---

PART 1: TypeScript Refactor

1. Niceness Rating Enum

• Create NicenessRating.ts exporting a NicenessRating enum with 4 values:
  • NICE
  • VERY_NICE
  • NAUGHTY
  • VERY_NAUGHTY
• Convert hardcoded strings to enum references in main.ts and CoalCalculator.ts.
• Refactor all nicenessRating function arguments to use the new enum.

2. CoalCalculator.ts

• Lines 7-15, refactor nicenessRating if-else-if to a switch statement.
• Lines 17-23, remove else statements and return totalCoal as soon as it is known.
• Extract coalCoefficient and totalCoal calculations into separate methods named getCoalCoefficient and getTotalCoal.

3. GiftThing.ts

• Rename the GiftThing class to GiftCalculator.
• Rename the GiftThing.ts file to GiftCalculator.ts.
• Remove else statements in getGiftThing and return giftTotal as soon as it is known.
• Rename the getGiftThing method to getGiftTotal.

4. Person interface

• create a Person.ts file and create and export a Person interface containing the following fields:
  • name of type string
  • age of type number
  • nicenessRating of type NicenessRating
• Update the printGiftTotal method in main.ts to take in a single Person argument instead of 3 seperate arguments.

5. Nice List

• Create and export a new NiceList class in a new NiceList.ts file with one method called getList returning an array of Person. Return the hard-coded values in santasList from main.ts from this method.
• Update main.ts to use the new function to populate santasList.

6. Reorganize

• Move CoalCalculator.ts and GiftCalculator.ts into a new calculator directory under src.
• Move Person.ts and NicenessRating.ts into a new model directory under src.

Confirm output with npm start:

Nick recieves: 1 gifts
Nick Jr. recieves: 2 gifts
Baby Nick recieves: 3 gifts
Ian recieves: 1 gifts
Ian Jr. recieves: 2 gifts
Baby Ian recieves: 3 gifts
Rawley recieves: 4 lumps of coal
Rawley Jr. recieves: 1 lumps of coal
Baby Rawley recieves: 1 gifts
Tim recieves: 9 lumps of coal
Tim Jr. recieves: 4 lumps of coal
Baby Tim recieves: 1 lumps of coal

---

PART 2: Java to JSON

Manually convert the InvoiceListDto class in JavaClass.java into a valid JSON object with the same schema.

Include the the following values with the JSON object:

{ 
  [ 
    {
      0d16892e-7992-4d70-9301-d7ecaca1ebd3
      553ba3a1-24b4-433b-a0e2-4f210b71aaaa
      "Jan-15-2023"
      "Sep-1-2024"
      "PAID"
      "Nick&Ian"
      "ACME Coding INC. Memo: Fixed all DevPro bugs"
      "ACME Coding INC."
      "acmecoding@inc.com"
      "P. Sherman, 42 Wallaby Way, Sydney"
      "H. Potter, 42 Privet Drive, Little Whinging, England"
      9001
      "$800"
      "$800,000"
      [
        {
          6fb56f4a-9b36-4a04-b1f6-7960b8907be8
          aa426d90-c699-4e1a-b871-f54ad0566e85
          "Nick&Ian"
        }
      ]
    false
    true
    } 
  ]
  "oldInvoices"
}