| 1 | package calendar |
| 2 | |
| 3 | import ( |
| 4 | "net/http" |
| 5 | "strconv" |
| 6 | |
| 7 | "github.com/go-chi/chi/v5" |
| 8 | ) |
| 9 | |
| 10 | // deleteEvent handles POST /events/{id}/delete. |
| 11 | func (h *handlers) deleteEvent(w http.ResponseWriter, r *http.Request) { |
| 12 | p, _ := CurrentPerson(r) |
| 13 | id, err := strconv.ParseInt(chi.URLParam(r, "id"), 10, 64) |
| 14 | if err != nil { |
| 15 | h.errorPage(w, r, http.StatusNotFound, "") |
| 16 | return |
| 17 | } |
| 18 | _ = r.ParseForm() |
| 19 | scope := r.FormValue("scope") |
| 20 | occurrence := r.FormValue("occurrence") |
| 21 | |
| 22 | // "Just this one" is the default, and it is first in the form. The |
| 23 | // destructive end of the scale — every occurrence, with its count |
| 24 | // named — is last, so the cheap answer is never one keystroke away |
| 25 | // from the expensive one. |
| 26 | if scope == "this" && occurrence != "" { |
| 27 | if err := h.store.ExcludeOccurrence(r.Context(), p.ID, id, occurrence); err != nil { |
| 28 | h.deleteFailed(w, r, err) |
| 29 | return |
| 30 | } |
| 31 | http.Redirect(w, r, "/", http.StatusSeeOther) |
| 32 | return |
| 33 | } |
| 34 | if err := h.store.DeleteEvent(r.Context(), p.ID, id); err != nil { |
| 35 | h.deleteFailed(w, r, err) |
| 36 | return |
| 37 | } |
| 38 | http.Redirect(w, r, "/", http.StatusSeeOther) |
| 39 | } |
| 40 | |
| 41 | func (h *handlers) deleteFailed(w http.ResponseWriter, r *http.Request, err error) { |
| 42 | switch { |
| 43 | case NotFound(err): |
| 44 | h.errorPage(w, r, http.StatusNotFound, "") |
| 45 | case err == ErrReadOnly: |
| 46 | h.errorPage(w, r, http.StatusForbidden, "") |
| 47 | default: |
| 48 | h.fail(w, r, "delete event", err) |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | // confirmDelete is the destructive action's own URL, never a modal — |
| 53 | // so it works with no script, can be linked to, and can be backed out |
| 54 | // of with the browser's own back button. |
| 55 | func (h *handlers) confirmDelete(w http.ResponseWriter, r *http.Request) { |
| 56 | p, _ := CurrentPerson(r) |
| 57 | id, err := strconv.ParseInt(chi.URLParam(r, "id"), 10, 64) |
| 58 | if err != nil { |
| 59 | h.errorPage(w, r, http.StatusNotFound, "") |
| 60 | return |
| 61 | } |
| 62 | e, err := h.store.Event(r.Context(), p.ID, id) |
| 63 | if NotFound(err) { |
| 64 | h.errorPage(w, r, http.StatusNotFound, "") |
| 65 | return |
| 66 | } |
| 67 | if err != nil { |
| 68 | h.fail(w, r, "read event", err) |
| 69 | return |
| 70 | } |
| 71 | count, forever := h.store.CountOccurrences(e) |
| 72 | render(w, "event_delete", h.page(r, "Delete", map[string]any{ |
| 73 | "Event": e, |
| 74 | "Occurrence": r.URL.Query().Get("occurrence"), |
| 75 | "Series": e.RRule != "", |
| 76 | "Count": count, |
| 77 | "Forever": forever, |
| 78 | })) |
| 79 | } |
| 80 | |
amadan