feat: add get a game service and fake database

handlers/game_handler.go

@@ -1,13 +1,50 @@
 package handlers
 
-import "github.com/gin-gonic/gin"
+import (
+	"github.com/gin-gonic/gin"
+	"hamster-tycoon/storage/dao"
+	"hamster-tycoon/storage/model"
+	"hamster-tycoon/storage/validators"
+	"hamster-tycoon/utils"
+	"net/http"
+)
 
 func (hc *handlersContext) getAllGames(c *gin.Context) {
 
 }
 
 func (hc *handlersContext) getAGame(c *gin.Context) {
+	gameId := c.Param("gameId")
 
+	err := hc.validator.VarCtx(c, gameId, "uuid4")
+	if err != nil {
+		utils.JSONError(c.Writer, validators.NewDataValidationAPIError(err))
+		return
+	}
+
+	game, err := hc.gameService.GetAGameById(gameId)
+	if e, ok := err.(*dao.DAOError); ok {
+		switch {
+		case e.Type == dao.ErrTypeNotFound:
+			utils.JSONErrorWithMessage(c.Writer, model.ErrNotFound, "Game not found")
+			return
+		default:
+			utils.GetLoggerFromCtx(c).WithError(err).WithField("type", e.Type).Error("error GetGame: get game error type not handled")
+			utils.JSONError(c.Writer, model.ErrInternalServer)
+			return
+		}
+	} else if err != nil {
+		utils.GetLoggerFromCtx(c).WithError(err).Error("error while get game")
+		utils.JSONError(c.Writer, model.ErrInternalServer)
+		return
+	}
+
+	if game == nil {
+		utils.JSONErrorWithMessage(c.Writer, model.ErrNotFound, "Game not found")
+		return
+	}
+
+	utils.JSON(c.Writer, http.StatusOK, game)
 }
 
 func (hc *handlersContext) createAGame(c *gin.Context) {