79 lines
1.7 KiB
Go

package session
import (
"crypto/rand"
"encoding/hex"
"fmt"
"net/http"
"strconv"
"streifling.com/jason/sicherheitsunterweisung/packages/data"
)
func generateLogin() (string, error) {
bs := make([]byte, 4)
if _, err := rand.Read(bs); err != nil {
return "", fmt.Errorf("error: generateLogin: rand.Read(bs): %v", err)
}
return hex.EncodeToString(bs), nil
}
func findCorrectLogin(l string, ss *[]*Session) (*Session, *BriefingParticipant, bool) {
for _, session := range *ss {
for _, p := range session.Participants {
if l == p.Login {
return session, p, true
}
}
}
return nil, nil, false
}
func newParticipant(l string) (*data.Participant, error) {
var err error
p := new(data.Participant)
p.ID, err = strconv.ParseInt(l, 10, 64)
if err != nil {
return nil, fmt.Errorf("error: newParticipant: strconv.Atoi(): %v", err)
}
return p, nil
}
func handleGivenAnswer(p *BriefingParticipant, i int64, r *http.Request) error {
answer, err := strconv.Atoi(r.PostFormValue("answer"))
if err != nil {
return fmt.Errorf("error: handleGivenAnswer: strconv.Atoi(): %v", err)
}
p.GivenAnswers[i] = answer
return nil
}
func makeHTMLQuestions(sq []data.Question, givenAnswers []int) []resultQuestion {
questions := make([]resultQuestion, len(sq))
for i, q := range sq {
questions[i].Text = q.Text
questions[i].Answers = make([]resultAnswer, len(q.Answers))
for j := range q.Answers {
if j+1 == q.Correct {
questions[i].Answers[j].Correct = true
} else {
questions[i].Answers[j].Correct = false
}
if j+1 == givenAnswers[i] {
questions[i].Answers[j].Chosen = true
} else {
questions[i].Answers[j].Chosen = false
}
}
}
return questions
}