Golang Quiz multiple choice

Objectives

• REST API app
• Cobra CLI Framework
• Local database sqlite-database.db

Target

• User should be able to get questions with a number of answers
• User should be able to select just one answer per question.
• User should be able to answer all the questions and then post his/hers answers and get back how many correct answers they had, displayed to the user.
• User should see how good he/she did compare to others that have taken the quiz, "You were better than 60% of all quizzers"

Questions file and timeout settings

fileName := flag.String("file", "problems.yaml", "The name of the file with the problems")
limit := flag.Int("limit", 100, "The time limit for the quiz in seconds")

Layers

Packages description:

• game

  • model contains the actors involved, the domain
  • business the business logic and starter game quiz
  • definetions func and struct to parse the yaml file

• data

  • persistence layer and entities for DTO

• service

  • business logic between persistence and presentation layer

• controller

  • to handle REST call and dispatch to the proper service

• cmd

  • cobra definitions

Build and Run

 go build
./golang-quiz init

• it will drop and create tables from scratch

Server port and usage

• HomePage http://localhost:3000/
• Port 3000

REST descriptions

• Add Player : http://localhost:3000/addPlayer/?username=Zena POST
• Get Player : http://localhost:3000/player/{playerId} GET
• Start Shell Game : http://localhost:3000/play/ GET
• Score Player : http://localhost:3000/score/{playerId} GET
• Subscribe Game Quiz : http://localhost:3000/subscribe/{playerId} GET
• Get Problems Player : http://localhost:3000/problems/{playerId} GET
• Send Answer : http://localhost:3000/sendAnswer/{playerId}?answer=your_answer POST
• Players : http://localhost:3000/players/ GET
• Problems : http://localhost:3000/problems/ GET

Websocket

• Subscribe Game and Websocket: ws://127.0.0.1:3000/ws/{playerId}

Play Usage

• Add a numbers of Players using : http://localhost:3000/addPlayer/?username=Zena POST
  • 3 Players already exist (you can skip)
• Start Game : At the startup of Application, the system it will ask if you want to play or exit, run the server or rebuild DB
• Play the Quiz
  • Choice a player (just select the number)
  • Answer the question digiting
  • Enjoy! (I hope)
• Check your Rank using #Get Player
• Check your Score using #Score Player