7) Master Project: Firebase + User Authentication

Question 1

what are the 3 parts of the backend with respects to this project?

Answer 1

authentication

servers

database

Question 2

explain the relationship between a server and a databse?

Answer 2

server stores the code that determines the most efficient way to request data from the database.

Question 3

Where does the firebase config code go?

Answer 3

src/firebase/firebase.utils.js

Question 4

Where in the code does the user information get added so that the entire application has access to it?

Answer 4

App.js which should be a class function because we need to store the current user in the state

Question 5

What are the inputs for the firebase file?

Answer 5

inputs:

• firebase/app
• firebase/firestore
• firebase/auth

Question 6

how do you apply firebases signout functionality to a sign out button

Answer 6

onClick={() => auth.signOut()}>

SIGN OUT

Question 7

How is the firebase database data organized?

Answer 7

into collections and documents that can also reference other collections

Question 8

database documents need to have this attribute.

Answer 8

a unique ID

Question 9

What is it mean for something the be a noSQL database?

Answer 9

the database consists of one big JSON object

Question 10

SYNTAX for quering data from the fire store

Answer 10

Question 11

What is a query?

Answer 11

a request we make to firestore to give us something from the database

Question 12

Firestore returns us two types of object: ___ and ___. Of these objects, they can be either ___ or ___ versions.

Answer 12

references and snapshots

Document or Collection

Question 13

What does a queryReference object represent?

Answer 13

the “current” place in the database that we are querying.

Question 14

We use ___ to perform our CRUD methods (create, retrieve, update, delete).

Answer 14

documentRef

Question 15

List the CRUD methods

Answer 15

.set()

.get()

.update()

.delete()

Question 16

How do you add documents to collections using the collectionRef object?

Answer 16

collectionRef.add({//value:prop})

Question 17

we get the snapshotObject from the referenceObject using the __ method.

Answer 17

.get()

Question 18

documentRef returns a __ object

Answer 18

documentSnapshot

Question 19

collectionRef returns a ___ object

Answer 19

querySnapshot

Question 20

what attribute of a documentSnapshot object tells us whether a document is in the database?

Answer 20

exists; can be true or false

Question 21

We get documentSnapshot objects from our ___ object

Answer 21

documentReference

Question 22

The documentSnapshot object allows us to check if a document exists at this query using the ___ property which returns ___.

Answer 22

.exists

boolean

Question 23

We can get the actual properties on a documentSnapshot object by calling the ____ method, which returns us a …

Answer 23

.data()

JSON object of the document

Question 24

how do you prevent suggestions for email from popping up when you select sign-in with google?

Answer 24

add type=”button” attribute to the sign in with google component.