William Petit
3fd8bf7e69
- Sauvegarde de l'adresse courriel de l'utilisateur en session - Implémentation d'une première Query GraphQL pour récupérer le profil de l'utilisateur connecté - Utilisation de la pattern CQRS pour les commandes/requêtes sur la base de données
98 lines
1.9 KiB
Go
98 lines
1.9 KiB
Go
package session
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import (
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"context"
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"net/http"
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"github.com/pkg/errors"
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"gitlab.com/wpetit/goweb/middleware/container"
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"gitlab.com/wpetit/goweb/service/session"
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)
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type contextKey string
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const userEmailKey contextKey = "user_email"
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var (
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ErrUserEmailNotFound = errors.New("user email not found")
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)
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func UserEmailMiddleware(next http.Handler) http.Handler {
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fn := func(w http.ResponseWriter, r *http.Request) {
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userEmail, err := GetUserEmail(w, r)
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if err != nil {
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panic(errors.Wrap(err, "could not find user email"))
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}
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ctx := WithUserEmail(r.Context(), userEmail)
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r = r.WithContext(ctx)
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next.ServeHTTP(w, r)
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}
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return http.HandlerFunc(fn)
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}
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func WithUserEmail(ctx context.Context, email string) context.Context {
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return context.WithValue(ctx, userEmailKey, email)
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}
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func UserEmail(ctx context.Context) (string, error) {
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email, ok := ctx.Value(userEmailKey).(string)
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if !ok {
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return "", errors.WithStack(ErrUserEmailNotFound)
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}
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return email, nil
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}
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func SaveUserEmail(w http.ResponseWriter, r *http.Request, email string) error {
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sess, err := getSession(w, r)
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if err != nil {
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return errors.WithStack(err)
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}
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sess.Set(string(userEmailKey), email)
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if err := sess.Save(w, r); err != nil {
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return errors.WithStack(err)
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}
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return nil
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}
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func GetUserEmail(w http.ResponseWriter, r *http.Request) (string, error) {
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sess, err := getSession(w, r)
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if err != nil {
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return "", errors.WithStack(err)
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}
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email, ok := sess.Get(string(userEmailKey)).(string)
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if !ok {
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return "", errors.WithStack(ErrUserEmailNotFound)
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}
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return email, nil
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}
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func getSession(w http.ResponseWriter, r *http.Request) (session.Session, error) {
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ctx := r.Context()
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ctn, err := container.From(ctx)
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if err != nil {
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return nil, errors.WithStack(err)
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}
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session, err := session.From(ctn)
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if err != nil {
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return nil, errors.WithStack(err)
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}
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sess, err := session.Get(w, r)
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if err != nil {
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return nil, errors.WithStack(err)
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}
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return sess, nil
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}
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