[Oliver] feat: basic get team endpoint

ThoughtWorks-DPS/lab-api-teams/#2

cmd/teams-api-server/main.go

@@ -14,6 +14,7 @@ func main() {
 	teamService := service.NewTeamService(teamRepo)
 	teamHandler := handler.NewTeamHandler(teamService)
 
+	router.GET("/teams/:teamID", teamHandler.GetTeam)
 	router.GET("/teams", teamHandler.GetTeams)
 	router.POST("/teams", teamHandler.AddTeam)
 

pkg/handler/handler.go

@@ -41,3 +41,15 @@ func (handler *TeamHandler) AddTeam(c *gin.Context) {
 
 	c.IndentedJSON(http.StatusCreated, newTeam)
 }
+
+func (handler *TeamHandler) GetTeam(c *gin.Context) {
+	teamID := c.Param("teamID")
+
+	team, err := handler.teamService.GetTeam(teamID)
+	if err != nil { // TODO transient/status errors
+		log.Printf("error %v", err)
+		return
+	}
+
+	c.IndentedJSON(http.StatusOK, team)
+}

pkg/service/service.go

@@ -7,6 +7,7 @@ import (
 )
 
 type TeamService interface {
+	GetTeam(teamID string) (domain.Team, error)
 	GetTeams() ([]domain.Team, error)
 	AddTeam(team domain.Team) error
 }
@@ -35,3 +36,12 @@ func (s *teamServiceImpl) AddTeam(newTeam domain.Team) error {
 	}
 	return nil
 }
+
+func (s *teamServiceImpl) GetTeam(teamID string) (domain.Team, error) {
+	team, err := s.repo.GetTeam(teamID)
+	if err != nil {
+		return domain.Team{}, err // TODO transient/status errors
+	}
+
+	return team, nil
+}