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mycorrhiza/hyphae/delete.go
2021-02-18 11:21:38 +05:00

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package hyphae
import (
"errors"
"fmt"
"log"
"github.com/bouncepaw/mycorrhiza/history"
"github.com/bouncepaw/mycorrhiza/user"
)
func rejectDeleteLog(h *Hypha, u *user.User, errmsg string) {
log.Printf("Reject delete %s by @%s: %s\n", h.Name, u.Name, errmsg)
}
// CanDelete checks if given user can delete given hypha.
func (h *Hypha) CanDelete(u *user.User) (err error, errtitle string) {
// First, check if can unattach at all
if !u.CanProceed("delete-confirm") {
rejectDeleteLog(h, u, "no rights")
return errors.New("Not enough rights to delete, you must be a moderator"), "Not enough rights"
}
if !h.Exists {
rejectDeleteLog(h, u, "does not exist")
return errors.New("Cannot delete this hypha because it does not exist"), "Does not exist"
}
return nil, ""
}
// DeleteHypha deletes hypha and makes a history record about that.
func (h *Hypha) DeleteHypha(u *user.User) (hop *history.HistoryOp, errtitle string) {
hop = history.Operation(history.TypeDeleteHypha)
if err, errtitle := h.CanDelete(u); errtitle != "" {
hop.WithError(err)
return hop, errtitle
}
hop.
WithFilesRemoved(h.TextPath, h.BinaryPath).
WithMsg(fmt.Sprintf("Delete %s", h.Name)).
WithUser(u).
Apply()
if len(hop.Errs) == 0 {
h.delete()
}
return hop, ""
}