githubarchivenima / crud-w-express-lecture

Week 3 Day 2

CRUD w/ Express

CREATE READ UPDATE DELETE/DESTROY

Review!!!

• What is the number one thing to learn about Express, according to Nima?

  • Middleware Req comes in ----Middleware----> 404 | | | GET /dogs ------> HTML PAGE GET /cats -------> HTML PAGE

• HTTP

  • Hypertext transfer protocol
  • set of rules for communication between a server and client
    • CLIENT SENDS A REQUEST
    • SERVER RESPONDS

• Web app!

  • there are some guidelines to a web app
    • a window into some data
    • generally only 4(5???) things that we can do with data
    • CREATE
    • READ a bunch of data, or READ just one datotomus
    • Update a set of data (or a bunch of datii)
    • Delete (many/one)

Wikipedia:

• Read articles
• Read lists of articles
• Edit/Update articles
• Make new articles
• Delete articles (if an admin)

YouTube:

• Create (upload) a video
• Watch (READ) a video
• Comment (Creating a comment, Updating a video to HAVE a comment) on a video
• Edit video (Update, Create a new version)
• Like/dislike a video (Update like status, Create a like, Delete a like)

CLIENT wants stuff SERVER has stuff (the ability to do stuff)

HTTP verbs / methods AS A CLIENT

• GET /dogs
• POST /dogs {DATA}
• PUT
• DELETE /cakes/12

GET ----> READ POST ---> CREATE PUT ----> UPDATE (and also CREATE) 🤔 DELETE -> DESTROY/DELETE

CRUD...

BREAD Browse Read Edit Add Delete/Destroy

THEME: Blog Posts

--- can create --- can delete Blog Article: Title --- yes, edit! Body --- edit! Tags --- edit! User (name) --- cannot edit

--- can create new users Users: Name --- cannot edit this