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Vending Machine Mock

Getting started

  1. Install node modules:

     npm install

  2. Configure the following variables in .env to match the following sample config

     APP_PORT = 3000
 MAX_SLOTS = 30
 MAX_ITEMS_PER_SLOT = 15
 ALLOWED_DENOMS = PENNY,NICKEL,DIME,QUARTER,HALFDOLLAR,DOLLAR

  3. Run the application in development mode via:

     npm run start:dev

Using the application

  1. Add items to a slot via POST /items with the following payload

     {
     "name": "Vegemite",
     "unitPrice": 12,
     "quantity": 100
 }

  2. Fetch the list of slots and the items located therein via GET /slots

  3. Update the items within a slot via PATCH /slots with the following optional body params

     {
     "quantity": 39,
     "unitPrice": 3
 }

  4. Fetch the various denominations available in the vending machine coffer via GET /coins

  5. Update the denominations available in the coffer via PATCH /coins and the following optional body params:

     {
     "dollarCount": 3,
     "halfDollarCount": 320,
     "quarterCount": 5,
     "dimeCount": 34,
     "nickelCount": 4,
     "pennyCount": 2
     
 }

  6. Make purchases via POST /payments with a slotId and optional denominational amounts:

     {
     "dollarCount": 1000,
      "dimeCount": 34,
     "nickelCount": 4,
     "pennyCount": 2
     "slotId": 3
 }