112 lines
2.9 KiB
Go
112 lines
2.9 KiB
Go
package useCases
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import (
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"RenewCMS/internal/domain/audit"
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"RenewCMS/internal/domain/hash"
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"RenewCMS/internal/domain/invite"
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"RenewCMS/internal/domain/mail"
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"RenewCMS/internal/domain/user"
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"context"
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"errors"
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"strings"
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"time"
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)
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type CreateInviteUseCase struct {
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userRepository user.Repository
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inviteRepository invite.Repository
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hasher hash.Hasher
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mailer inviteMailer
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recorder audit.Recorder
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}
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type CreateInviteCommand struct {
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Email string
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InvitedBy uint32
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}
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func NewCreateInviteUseCase(userRepository user.Repository, inviteRepository invite.Repository, hasher hash.Hasher, mailRepository mail.Repository, publicURL string, recorder audit.Recorder) *CreateInviteUseCase {
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return &CreateInviteUseCase{userRepository, inviteRepository, hasher, inviteMailer{mailRepository, publicURL}, recorder}
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}
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func (g *CreateInviteUseCase) CreateInvite(ctx context.Context, command CreateInviteCommand) (invite.Invite, error) {
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event := audit.NewEvent(audit.ActionInviteCreate, audit.CategoryUsers)
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created, err := g.create(command)
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if err != nil {
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recordFailure(ctx, g.recorder, event, err)
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return invite.Invite{}, err
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}
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event.Target = inviteTarget(created)
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g.recorder.Record(ctx, event)
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return created, nil
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}
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func (g *CreateInviteUseCase) create(command CreateInviteCommand) (invite.Invite, error) {
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email := strings.ToLower(command.Email)
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now := time.Now()
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inviter, err := g.userRepository.Get(command.InvitedBy)
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if err != nil {
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return invite.Invite{}, err
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}
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if g.emailHasAccount(email) {
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return invite.Invite{}, invite.ErrEmailHasAccount
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}
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if err := g.discardOpenInvite(email, now); err != nil {
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return invite.Invite{}, err
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}
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rawCode, hashedCode, err := newInviteCode(g.hasher)
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if err != nil {
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return invite.Invite{}, err
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}
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createdInvite, err := g.inviteRepository.Create(invite.Invite{
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Email: email,
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HashedCode: hashedCode,
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ExpiresAt: now.Add(invite.Lifetime),
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InvitedBy: command.InvitedBy,
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CreatedAt: now,
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})
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if err != nil {
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return invite.Invite{}, err
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}
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if sendErr := g.mailer.send(email, rawCode, inviter); sendErr != nil {
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if deleteErr := g.inviteRepository.Delete(createdInvite.ID); deleteErr != nil {
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return invite.Invite{}, errors.Join(sendErr, deleteErr)
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}
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return invite.Invite{}, sendErr
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}
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return createdInvite, nil
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}
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func (g *CreateInviteUseCase) emailHasAccount(email string) bool {
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for _, existingUser := range g.userRepository.GetAll() {
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if strings.EqualFold(existingUser.Email, email) {
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return true
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}
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}
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return false
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}
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func (g *CreateInviteUseCase) discardOpenInvite(email string, now time.Time) error {
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for _, existing := range g.inviteRepository.GetAll() {
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if existing.Email != email {
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continue
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}
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switch existing.StatusAt(now) {
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case invite.StatusPending:
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return invite.ErrPendingInvite
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case invite.StatusExpired:
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if err := g.inviteRepository.Delete(existing.ID); err != nil {
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return err
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}
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}
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}
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return nil
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}
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