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README.md

Sprint Challenge: Redux - Smurfs

This challenge allows you to practice the concepts and techniques learned over the past Sprint and apply them in a concrete project. This Sprint explored Redux, Redux I - II and Async Redux I - II. In your challenge for this Sprint, you will demonstrate proficiency by creating an application that uses ReactJS to consume live data retrieved from the World Wide Web.

Read these instructions carefully. Understand exactly what is expected before starting this Sprint Challenge.

This is an individual assessment. All work must be your own. Your challenge score is a measure of your ability to work independently using the material covered through this sprint. You need to demonstrate proficiency in the concepts and objectives introduced and practiced in preceding days.

You are not allowed to collaborate during the Sprint Challenge. However, you are encouraged to follow the twenty-minute rule and seek support from your PM and Instructor in your cohort help channel on Slack. Your work reflects your proficiency throughout Redux and your command of the concepts and techniques in the Redux I - II and Async Redux I - I modules.

You have three hours to complete this challenge. Plan your time accordingly.

Commits

Commit your code regularly and meaningfully. This helps both you (in case you ever need to return to old code for any number of reasons and your project manager).

Description

In this challenge, you are to build the Smurfs village once again, only this time, you will utilize Redux as your state management. Don't use any old code from your previous Smurfs Sprint Challenge. Build this challenge from the ground up using Redux.

Self-Study/Essay Questions

Demonstrate your understanding of this Sprint's concepts by answering the following free-form questions. Edit this document to include your answers after each question. Make sure to leave a blank line above and below your answer so it is clear and easy to read by your project manager.

  • In your own words, describe actions, reducers and the store and their role in Redux. What does each piece do? Why is the store known as a 'single source of truth' in a redux application?
  • What is the difference between Application state and Component state? When would be a good time to use one over the other?
  • Describe redux-thunk, what does it allow us to do? How does it change our action-creators?

Project Set Up

Follow these steps to set up your project:

  • fork & clone this repository.
  • cd into the forked copy of this repository.
  • RUN yarn to retrieve all server-side the dependencies.
  • RUN yarn start or npm start to get your API up and running on http://localhost:3333. This is the URL you're going to need to use within your React app in order to make AJAX requests for data.
  • After your API is up and running, you can open chrome and type in http://localhost:3333/smurfs. You should see an empty Array [] returned to you. This is an array that your API will be using to store our Smurf Data.
  • LOOK at your smurfs directory and notice it's just a plain ol' React App that we've built using create-react-app.
  • Open src/index.js to make sure that your app is ready to roll with the proper middleware.
  • cd into smurfs and run yarn to retrieve the client side dependencies.
  • RUN yarn start to fire up your React application. There ought to be a pretty little message awaiting you welcoming you to the app. Follow the prompting.

LOOK at all the files you've been given for this project. One important file to note is server.js. We've added a typical redux file structure for you:

src
  - components
  - reducers
    - index.js
  - actions
    - index.js

This file contains an API that you are going to be interfacing with. Below is documentation on how to interact with the API.

Minimum Viable Product

Your finished project must include all of the following requirements:

  • Start in the index.js file by following all the prompts there to ensure that Redux-Thunk is wired up properly.
  • Because Redux-Thunk is wired up as a middleware for this project. Be sure to utilize thunks when appropriate:
return dispatch => {
  dispatch({ type: FOO_ACTION_TYPE });
  promise.then(({ data }) => {
    dispatch({ type: ANOTHER_ACTION_TYPE, payload: data });
  });
};

API Design - This is how you'll interface with the API and what is required from every endpoint.

GET '/smurfs'

  • Retrieve an array all the Smurfs in the Smurf DB by writing a GET to the endpoint /smurfs.
  • Double check that your response from the server is an array of smurfs.
[
  {
    name: 'Brainey',
    age: 200,
    height: '5cm',
    id: 0
  }
];

POST '/smurfs'

  • Design the functionality to add a smurf to the Smurf DB you'll need all three fields. name, age, and height.

Example of the shape of data to be sent to the POST endpoint:

{
  name: 'Brainey',
  age: 200,
  height: '5cm'
}
  • Double check to make sure that a smurf is created correctly once your functionality is built out.

Initially Brainey will be in the array, but it takes more than one smurf to make the village. Be sure to add a few smurfs to populate our smurf village.

HINT if you are going to be working on Stretch Problem, you'll need to use that unique id.

Example of object created in Smurf DB:

[
  {
    name: 'Brainey',
    age: 200,
    height: '5cm',
    id: 0
  },
  {
    name: 'Sleepy',
    age: 200,
    height: '5cm',
    id: 1
  }
];

STRETCH PROBLEM

The following two endpoints are here for you if you'd like to push yourselves a little further.

PUT '/smurfs/123', where 123 is the Id of the smurf you want to modify

  • For this endpoint to work, you'll need an id added to the URL, and at least one field to update on the Smurf object. name age height.

Example:

input:
{
  id: 1,
  name: 'Grumpy'
}
output:
[
  {
    name: 'Grumpy',
    age: 30,
    height: '3cm',
    id: 1
  },
  {
    name: 'Sleepy',
    age: 211,
    height: '2cm',
    id: 0
  }
]

DELETE '/smurfs/123', where 123 is the Id of the smurf you want to remove

For this endpoint to work, all you need is an id sent up as part of the request url.

If your delete worked, you'll get a an array back with all of the smurfs but with your requested smurf removed.

  • You don't need any input beyond the url parameter of the smurf, so if we send up a delete request to /smurfs/123 then you'll remove the smurf by that id.

Example:

output: [
  {
    name: 'Sleepy',
    age: 200,
    height: '5cm',
    id: 1
  }
];
You can’t perform that action at this time.