50 lines
1 KiB
Go
50 lines
1 KiB
Go
package models
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import (
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"crypto/sha256"
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"encoding/json"
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"fmt"
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"strings"
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)
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type Exam struct {
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Meta
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Participant *Participant `json:"participant"`
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Quizzes []*Quiz `json:"quizzes"`
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}
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func (e *Exam) String() string {
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return fmt.Sprintf("Exam ID %v with %v quizzes.", e.ID, len(e.Quizzes))
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}
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func (e *Exam) GetHash() string {
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qHashes := ""
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for _, q := range e.Quizzes {
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qHashes += q.GetHash()
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}
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return fmt.Sprintf("%x", sha256.Sum256([]byte(strings.Join([]string{e.Participant.GetHash(), qHashes}, ""))))
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}
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func (e *Exam) Marshal() ([]byte, error) {
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return json.Marshal(e)
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}
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func (e *Exam) Unmarshal(data []byte) error {
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return json.Unmarshal(data, e)
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}
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func (e *Exam) ToMarkdown() (string, error) {
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result := ""
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for _, quiz := range e.Quizzes {
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quizMD, err := QuizToMarkdown(quiz)
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if err != nil {
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return "", err
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}
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result += fmt.Sprintf(quizMD)
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result += "\n"
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}
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return strings.TrimRight(fmt.Sprintf("# %s %s \n %s", e.Participant.Lastname, e.Participant.Firstname, result), "\n"), nil
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}
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