onasty/internal/service/notesrv/notesrv.go(view raw)
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package notesrv
import (
"context"
"github.com/gofrs/uuid/v5"
"github.com/olexsmir/onasty/internal/dtos"
"github.com/olexsmir/onasty/internal/models"
"github.com/olexsmir/onasty/internal/store/psql/noterepo"
)
type NoteServicer interface {
// Create creates note
// if slug is empty it will be generated, otherwise used as is
// if userID is empty it means user isn't authorized so it will be used
Create(ctx context.Context, note dtos.CreateNoteDTO, userID uuid.UUID) (dtos.NoteSlugDTO, error)
GetBySlugAndRemoveIfNeeded(ctx context.Context, slug dtos.NoteSlugDTO) (dtos.NoteDTO, error)
}
var _ NoteServicer = (*NoteSrv)(nil)
type NoteSrv struct {
noterepo noterepo.NoteStorer
}
func New(noterepo noterepo.NoteStorer) *NoteSrv {
return &NoteSrv{
noterepo: noterepo,
}
}
func (n *NoteSrv) Create(
ctx context.Context,
inp dtos.CreateNoteDTO,
userID uuid.UUID,
) (dtos.NoteSlugDTO, error) {
if inp.Slug == "" {
inp.Slug = uuid.Must(uuid.NewV4()).String()
}
err := n.noterepo.Create(ctx, inp)
if err != nil {
return "", err
}
if !userID.IsNil() {
if err := n.noterepo.SetAuthorIDBySlug(ctx, inp.Slug, userID); err != nil {
return "", err
}
}
return inp.Slug, nil
}
func (n *NoteSrv) GetBySlugAndRemoveIfNeeded(
ctx context.Context,
slug dtos.NoteSlugDTO,
) (dtos.NoteDTO, error) {
note, err := n.noterepo.GetBySlug(ctx, slug)
if err != nil {
return dtos.NoteDTO{}, err
}
m := models.Note{ //nolint:exhaustruct
ExpiresAt: note.ExpiresAt,
BurnBeforeExpiration: note.BurnBeforeExpiration,
}
if m.IsExpired() {
return dtos.NoteDTO{}, models.ErrNoteExpired
}
// since not every note should be burn before expiration
// we return early if it's not
if m.ShouldBeBurnt() {
return note, nil
}
// TODO: in future not remove, leave some metadata
// to shot user that note was already seen
return note, n.noterepo.DeleteBySlug(ctx, note.Slug)
}
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