Connect4 Game - Implementation Using Spring Boot and Rest

This is a Spring boot application which exposes REST services for connect4 game play.

#1. How to build the application

mvn clean package

#2. How the run the application

java -jar target/connect4-0.0.1-SNAPSHOT.jar

#3. How to test the REST Services

i) Create New Game

  This call creates a new game with one player and his disc color of choice.

	Method: POST

	http://localhost:8080/connect4/games

	JSON Request body:
	
	{
		"userId":"Player1",
		"color":"RED"
	}

ii) Get Game

   This call returns the game associated with gameId

	Method: GET

	http://localhost:8080/connect4/games/{gameId}
	
	Here gameId is the path parameter, for testing this gameId can be captured from the above JSON response

iii) Join Game

     This call allows the player2 to join the game created by player1 using the gameId

	 Method: PUT

	 http://localhost:8080/connect4/games/{gameId}

	JSON Request body:
	
	{
		"userId":"Player2"
	}
	
	** The player2 disc color is automatically assigned based on the player1 ones selection.

iv) Play Game

   This call allows the Players in the game to drop their disc in each turn, No player can drop two discs consecutively and
   this result 409 HTTP error code. And also the method can result in WINNER during the play with Player details in the response.
   
   Method: PUT
   
   http://localhost:8080/connect4/games/{gameId}/discs

   JSON Request body:
   
   {
		"userId":"Player1",
		"column":1
	}

v) Game Outcome

	This call will fetch the game outcome
	
	Method: GET
	
	http://localhost:8080/connect4/games/{gameId}/outcome

#4. Validations There are different validations put in place with user friendly messages and HTTP response code.

#5. JUnits Test cases have been implemented for different edge cases scenarios of Connect4 game play.