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65 lines
1.8 KiB
Go
65 lines
1.8 KiB
Go
package hyphae
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import (
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"errors"
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"fmt"
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"log"
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"github.com/bouncepaw/mycorrhiza/history"
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"github.com/bouncepaw/mycorrhiza/user"
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)
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func rejectUnattachLog(h *Hypha, u *user.User, errmsg string) {
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log.Printf("Reject unattach ‘%s’ by @%s: %s\n", h.Name, u.Name, errmsg)
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}
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// CanUnattach checks if given user can unattach given hypha. If they can, `errtitle` is an empty string and `err` is nil. If they cannot, `errtitle` is not an empty string, and `err` is an error.
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func (h *Hypha) CanUnattach(u *user.User) (err error, errtitle string) {
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if !u.CanProceed("unattach-confirm") {
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rejectUnattachLog(h, u, "no rights")
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return errors.New("Not enough rights to unattach, you must be a trusted editor"), "Not enough rights"
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}
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if !h.Exists {
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rejectUnattachLog(h, u, "does not exist")
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return errors.New("Cannot unattach this hypha because it does not exist"), "Does not exist"
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}
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if h.BinaryPath == "" {
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rejectUnattachLog(h, u, "no amnt")
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return errors.New("Cannot unattach this hypha because it has no attachment"), "No attachment"
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}
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return nil, ""
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}
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// UnattachHypha unattaches hypha and makes a history record about that.
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func (h *Hypha) UnattachHypha(u *user.User) (hop *history.HistoryOp, errtitle string) {
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hop = history.Operation(history.TypeUnattachHypha)
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if err, errtitle := h.CanUnattach(u); errtitle != "" {
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hop.WithError(err)
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return hop, errtitle
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}
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hop.
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WithFilesRemoved(h.BinaryPath).
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WithMsg(fmt.Sprintf("Unattach ‘%s’", h.Name)).
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WithUser(u).
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Apply()
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if len(hop.Errs) > 0 {
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rejectUnattachLog(h, u, "fail")
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return hop.WithError(errors.New(fmt.Sprintf("Could not unattach this hypha due to internal server errors: <code>%v</code>", hop.Errs))), "Error"
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}
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if h.BinaryPath != "" {
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h.BinaryPath = ""
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}
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// If nothing is left of the hypha
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if h.TextPath == "" {
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h.delete()
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}
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return hop, ""
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}
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