221 lines
5.8 KiB
Go
221 lines
5.8 KiB
Go
package fic
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import (
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"errors"
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"time"
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)
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var PartialValidation bool
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type Exercice struct {
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Id int64 `json:"id"`
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Title string `json:"title"`
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Statement string `json:"statement"`
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Depend *int64 `json:"depend"`
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Gain int64 `json:"gain"`
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Coefficient float64 `json:"coefficient"`
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VideoURI string `json:"videoURI"`
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}
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func GetExercice(id int64) (Exercice, error) {
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var e Exercice
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if err := DBQueryRow("SELECT id_exercice, title, statement, depend, gain, coefficient_cur, video_uri FROM exercices WHERE id_exercice = ?", id).Scan(&e.Id, &e.Title, &e.Statement, &e.Depend, &e.Gain, &e.Coefficient, &e.VideoURI); err != nil {
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return Exercice{}, err
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}
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return e, nil
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}
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func (t Theme) GetExercice(id int) (Exercice, error) {
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var e Exercice
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if err := DBQueryRow("SELECT id_exercice, title, statement, depend, gain, coefficient_cur, video_uri FROM exercices WHERE id_theme = ? AND id_exercice = ?", t.Id, id).Scan(&e.Id, &e.Title, &e.Statement, &e.Depend, &e.Gain, &e.Coefficient, &e.VideoURI); err != nil {
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return Exercice{}, err
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}
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return e, nil
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}
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func GetExercices() ([]Exercice, error) {
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if rows, err := DBQuery("SELECT id_exercice, title, statement, depend, gain, coefficient_cur, video_uri FROM exercices"); err != nil {
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return nil, err
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} else {
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defer rows.Close()
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var exos = make([]Exercice, 0)
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for rows.Next() {
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var e Exercice
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if err := rows.Scan(&e.Id, &e.Title, &e.Statement, &e.Depend, &e.Gain, &e.Coefficient, &e.VideoURI); err != nil {
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return nil, err
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}
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exos = append(exos, e)
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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return exos, nil
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}
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}
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func (t Theme) GetExercices() ([]Exercice, error) {
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if rows, err := DBQuery("SELECT id_exercice, title, statement, depend, gain, coefficient_cur, video_uri FROM exercices WHERE id_theme = ?", t.Id); err != nil {
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return nil, err
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} else {
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defer rows.Close()
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var exos = make([]Exercice, 0)
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for rows.Next() {
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var e Exercice
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if err := rows.Scan(&e.Id, &e.Title, &e.Statement, &e.Depend, &e.Gain, &e.Coefficient, &e.VideoURI); err != nil {
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return nil, err
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}
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exos = append(exos, e)
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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return exos, nil
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}
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}
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func (t Theme) AddExercice(title string, statement string, depend *Exercice, gain int64, videoURI string) (Exercice, error) {
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var dpd interface{}
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if depend == nil {
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dpd = nil
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} else {
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dpd = depend.Id
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}
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if res, err := DBExec("INSERT INTO exercices (id_theme, title, statement, depend, gain, video_uri) VALUES (?, ?, ?, ?, ?, ?)", t.Id, title, statement, dpd, gain, videoURI); err != nil {
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return Exercice{}, err
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} else if eid, err := res.LastInsertId(); err != nil {
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return Exercice{}, err
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} else {
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if depend == nil {
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return Exercice{eid, title, statement, nil, gain, 1.0, videoURI}, nil
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} else {
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return Exercice{eid, title, statement, &depend.Id, gain, 1.0, videoURI}, nil
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}
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}
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}
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func (e Exercice) Update() (int64, error) {
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if res, err := DBExec("UPDATE exercices SET title = ?, statement = ?, depend = ?, gain = ?, coefficient_cur = ?, video_uri = ? WHERE id_exercice = ?", e.Title, e.Statement, e.Depend, e.Gain, e.Coefficient, e.VideoURI, e.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 (e Exercice) GetThemeId() (int, error) {
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var tid int
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if err := DBQueryRow("SELECT id_theme FROM exercices WHERE id_exercice=?", e.Id).Scan(&tid); err != nil {
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return 0, err
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}
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return tid, nil
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}
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func (e Exercice) GetTheme() (Theme, error) {
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if tid, err := e.GetThemeId(); err != nil {
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return Theme{}, err
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} else {
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return GetTheme(tid)
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}
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}
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func (e Exercice) Delete() (int64, error) {
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if res, err := DBExec("DELETE FROM exercices WHERE id_exercice = ?", e.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 (e Exercice) GetLevel() (int, error) {
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dep := e.Depend
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nb := 1
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for dep != nil {
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nb += 1
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if edep, err := GetExercice(*dep); err != nil {
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return nb, err
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} else {
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dep = edep.Depend
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}
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}
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return nb, nil
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}
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func (e Exercice) NewTry(t Team) error {
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if _, err := DBExec("INSERT INTO exercice_tries (id_exercice, id_team, time) VALUES (?, ?, ?)", e.Id, t.Id, time.Now()); err != nil {
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return err
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} else {
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return nil
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}
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}
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func (e Exercice) Solved(t Team) error {
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if _, err := DBExec("INSERT INTO exercice_solved (id_exercice, id_team, time, coefficient) VALUES (?, ?, ?, ?)", e.Id, t.Id, time.Now(), e.Coefficient); err != nil {
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return err
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} else {
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return nil
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}
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}
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func (e Exercice) SolvedCount() int64 {
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var nb int64
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if err := DBQueryRow("SELECT COUNT(id_exercice) FROM exercice_solved WHERE id_exercice = ?", e.Id).Scan(&nb); err != nil {
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return 0
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} else {
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return nb
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}
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}
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func (e Exercice) TriedTeamCount() int64 {
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var nb int64
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if err := DBQueryRow("SELECT COUNT(DISTINCT id_team) FROM exercice_tries WHERE id_exercice = ?", e.Id).Scan(&nb); err != nil {
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return 0
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} else {
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return nb
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}
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}
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func (e Exercice) TriedCount() int64 {
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var nb int64
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if err := DBQueryRow("SELECT COUNT(id_team) FROM exercice_tries WHERE id_exercice = ?", e.Id).Scan(&nb); err != nil {
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return 0
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} else {
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return nb
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}
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}
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func (e Exercice) CheckResponse(resps map[string]string, t Team) (bool, error) {
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if err := e.NewTry(t); err != nil {
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return false, err
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} else if keys, err := e.GetKeys(); err != nil {
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return false, err
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} else {
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if len(keys) < 1 {
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return true, errors.New("Exercice with no key registered")
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}
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valid := true
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for _, key := range keys {
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if res, ok := resps[key.Type]; !ok {
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valid = false
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} else if !key.Check(res) {
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if !PartialValidation || t.HasPartiallySolved(key) == nil {
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valid = false
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}
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} else {
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key.FoundBy(t)
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}
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}
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return valid, nil
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}
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}
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