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f073e69417
28 changed files with 2564 additions and 0 deletions
211
questions.go
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211
questions.go
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package main
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import (
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"encoding/json"
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"net/http"
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"strconv"
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"github.com/julienschmidt/httprouter"
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)
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func init() {
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router.GET("/api/questions", apiHandler(
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func(httprouter.Params, []byte) HTTPResponse {
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return formatApiResponse(getQuestions())
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}))
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router.GET("/api/surveys/:sid/questions", apiHandler(surveyHandler(
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func(s Survey, _ []byte) HTTPResponse {
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return formatApiResponse(s.GetQuestions())
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})))
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router.POST("/api/surveys/:sid/questions", apiHandler(surveyHandler(func(s Survey, body []byte) HTTPResponse {
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var new Question
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if err := json.Unmarshal(body, &new); err != nil {
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return APIErrorResponse{err:err}
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}
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return formatApiResponse(s.NewQuestion(new.Title, new.Description, new.Placeholder, new.Kind))
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}), adminRestricted))
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router.GET("/api/questions/:qid", apiHandler(questionHandler(
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func(s Question, _ []byte) HTTPResponse {
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return APIResponse{s}
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})))
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router.GET("/api/surveys/:sid/questions/:qid", apiHandler(questionHandler(
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func(s Question, _ []byte) HTTPResponse {
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return APIResponse{s}
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})))
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router.PUT("/api/questions/:qid", apiHandler(questionHandler(func(current Question, body []byte) HTTPResponse {
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var new Question
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if err := json.Unmarshal(body, &new); err != nil {
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return APIErrorResponse{err:err}
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}
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new.Id = current.Id
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return formatApiResponse(new.Update())
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})))
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router.PUT("/api/surveys/:sid/questions/:qid", apiHandler(questionHandler(func(current Question, body []byte) HTTPResponse {
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var new Question
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if err := json.Unmarshal(body, &new); err != nil {
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return APIErrorResponse{err:err}
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}
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new.Id = current.Id
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return formatApiResponse(new.Update())
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})))
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router.DELETE("/api/questions/:qid", apiHandler(questionHandler(
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func(q Question, _ []byte) HTTPResponse {
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return formatApiResponse(q.Delete())
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})))
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router.DELETE("/api/surveys/:sid/questions/:qid", apiHandler(questionHandler(
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func(q Question, _ []byte) HTTPResponse {
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return formatApiResponse(q.Delete())
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})))
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}
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func questionHandler(f func(Question, []byte) HTTPResponse) func(httprouter.Params, []byte) HTTPResponse {
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return func(ps httprouter.Params, body []byte) HTTPResponse {
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var survey *Survey = nil
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if sid, err := strconv.Atoi(string(ps.ByName("sid"))); err == nil {
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if s, err := getSurvey(sid); err == nil {
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survey = &s
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}
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}
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if qid, err := strconv.Atoi(string(ps.ByName("qid"))); err != nil {
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return APIErrorResponse{err:err}
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} else if survey == nil {
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if question, err := getQuestion(qid); err != nil {
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return APIErrorResponse{err:err}
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} else {
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return f(question, body)
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}
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} else {
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if question, err := survey.GetQuestion(qid); err != nil {
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return APIErrorResponse{err:err}
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} else {
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return f(question, body)
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}
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}
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}
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}
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func questionAuthHandler(f func(Question, *User, []byte) HTTPResponse, access ...func(*User, *Question) error) func(*User, httprouter.Params, []byte) HTTPResponse {
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return func(u *User, ps httprouter.Params, body []byte) HTTPResponse {
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return questionHandler(func(q Question, body []byte) HTTPResponse {
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// Check access limitation
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for _, a := range access {
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if err := a(u, &q); err != nil {
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return APIErrorResponse{
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status: http.StatusForbidden,
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err: err,
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}
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}
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}
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return f(q, u, body)
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})(ps, body)
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}
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}
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type Question struct {
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Id int64 `json:"id"`
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IdSurvey int64 `json:"id_survey"`
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Title string `json:"title"`
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Description string `json:"description"`
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Placeholder string `json:"placeholder,omitempty"`
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Kind string `json:"kind"`
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}
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func getQuestions() (questions []Question, err error) {
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if rows, errr := DBQuery("SELECT id_question, id_survey, title, description, placeholder, kind FROM survey_quests"); errr != nil {
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return nil, errr
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} else {
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defer rows.Close()
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for rows.Next() {
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var q Question
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if err = rows.Scan(&q.Id, &q.IdSurvey, &q.Title, &q.Description, &q.Placeholder, &q.Kind); err != nil {
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return
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}
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questions = append(questions, q)
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}
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if err = rows.Err(); err != nil {
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return
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}
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return
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}
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}
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func (s *Survey) GetQuestions() (questions []Question, err error) {
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if rows, errr := DBQuery("SELECT id_question, id_survey, title, description, placeholder, kind FROM survey_quests WHERE id_survey=?", s.Id); errr != nil {
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return nil, errr
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} else {
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defer rows.Close()
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for rows.Next() {
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var q Question
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if err = rows.Scan(&q.Id, &q.IdSurvey, &q.Title, &q.Description, &q.Placeholder, &q.Kind); err != nil {
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return
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}
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questions = append(questions, q)
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}
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if err = rows.Err(); err != nil {
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return
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}
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return
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}
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}
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func getQuestion(id int) (q Question, err error) {
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err = DBQueryRow("SELECT id_question, id_survey, title, description, placeholder, kind FROM survey_quests WHERE id_question=?", id).Scan(&q.Id, &q.IdSurvey, &q.Title, &q.Description, &q.Placeholder, &q.Kind)
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return
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}
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func (s *Survey) GetQuestion(id int) (q Question, err error) {
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err = DBQueryRow("SELECT id_question, id_survey, title, description, placeholder, kind FROM survey_quests WHERE id_question=? AND id_survey=?", id, s.Id).Scan(&q.Id, &q.IdSurvey, &q.Title, &q.Description, &q.Placeholder, &q.Kind)
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return
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}
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func (s *Survey) NewQuestion(title string, description string, placeholder string, kind string) (Question, error) {
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if res, err := DBExec("INSERT INTO survey_quests (id_survey, title, description, placeholder, kind) VALUES (?, ?, ?, ?, ?)", s.Id, title, description, placeholder, kind); err != nil {
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return Question{}, err
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} else if qid, err := res.LastInsertId(); err != nil {
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return Question{}, err
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} else {
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return Question{qid, s.Id, title, description, placeholder, kind}, nil
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}
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}
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func (q Question) GetSurvey() (Survey, error) {
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return getSurvey(int(q.IdSurvey))
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}
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func (q Question) Update() (Question, error) {
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if _, err := DBExec("UPDATE survey_quests SET id_survey = ?, title = ?, description = ?, placeholder = ?, kind = ? WHERE id_question = ?", q.IdSurvey, q.Title, q.Description, q.Placeholder, q.Kind, q.Id); err != nil {
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return Question{}, err
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} else {
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return q, err
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}
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}
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func (q Question) Delete() (int64, error) {
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if res, err := DBExec("DELETE FROM survey_quests WHERE id_question = ?", q.Id); err != nil {
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return 0, err
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} else if nb, err := res.RowsAffected(); err != nil {
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return 0, err
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} else {
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return nb, err
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}
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}
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func ClearQuestions() (int64, error) {
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if res, err := DBExec("DELETE FROM survey_quests"); err != nil {
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return 0, err
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} else if nb, err := res.RowsAffected(); err != nil {
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return 0, err
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} else {
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return nb, err
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}
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}
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