| 1 | package calendar |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "io" |
| 6 | "net/http" |
| 7 | "strings" |
| 8 | ) |
| 9 | |
| 10 | // Native quick-add uses the same pure parser as the web. The preview's concrete |
| 11 | // civil dates are saved verbatim, rather than reinterpreting “tomorrow” later. |
| 12 | type nativeQuickDraft struct { |
| 13 | CalendarID int64 `json:"calendar_id"` |
| 14 | Title string `json:"title"` |
| 15 | Location string `json:"location"` |
| 16 | StartLocal string `json:"start_local"` |
| 17 | EndLocal string `json:"end_local"` |
| 18 | TZ string `json:"tz"` |
| 19 | AllDay bool `json:"all_day"` |
| 20 | Repeat string `json:"repeat"` |
| 21 | Attendees []string `json:"attendees"` |
| 22 | } |
| 23 | type nativeQuickPreview struct { |
| 24 | Draft nativeQuickDraft `json:"draft"` |
| 25 | When string `json:"when"` |
| 26 | RepeatLabel string `json:"repeat_label"` |
| 27 | CalendarName string `json:"calendar_name"` |
| 28 | Assumptions []string `json:"assumptions"` |
| 29 | } |
| 30 | |
| 31 | func decodeNativeQuick(w http.ResponseWriter, r *http.Request, value any) bool { |
| 32 | r.Body = http.MaxBytesReader(w, r.Body, 32<<10) |
| 33 | d := json.NewDecoder(r.Body) |
| 34 | d.DisallowUnknownFields() |
| 35 | if d.Decode(value) != nil || d.Decode(new(any)) != io.EOF { |
| 36 | http.Error(w, "Invalid quick-add", 400) |
| 37 | return false |
| 38 | } |
| 39 | return true |
| 40 | } |
| 41 | func (h *handlers) nativeQuickParse(w http.ResponseWriter, r *http.Request) { |
| 42 | var in struct { |
| 43 | Text string `json:"text"` |
| 44 | Zone string `json:"zone"` |
| 45 | } |
| 46 | if !decodeNativeQuick(w, r, &in) { |
| 47 | return |
| 48 | } |
| 49 | text := strings.TrimSpace(in.Text) |
| 50 | if text == "" || len(text) > 4096 { |
| 51 | http.Error(w, "Enter an event in no more than 4096 bytes", 422) |
| 52 | return |
| 53 | } |
| 54 | p, _ := CurrentPerson(r) |
| 55 | zone, ok := nativeViewZone(in.Zone, personZone(p)) |
| 56 | if !ok { |
| 57 | http.Error(w, "Choose a valid time zone", 422) |
| 58 | return |
| 59 | } |
| 60 | q := ParseQuick(text, nowIn(zone), zone) |
| 61 | id, err := h.store.DefaultCalendarID(r.Context(), p.ID) |
| 62 | if err != nil || id == 0 { |
| 63 | http.Error(w, "Cannot load default calendar", 500) |
| 64 | return |
| 65 | } |
| 66 | calendars, err := h.store.Calendars(r.Context(), p.ID) |
| 67 | if err != nil { |
| 68 | http.Error(w, "Cannot load calendars", 500) |
| 69 | return |
| 70 | } |
| 71 | name := "" |
| 72 | for _, c := range calendars { |
| 73 | if c.ID == id { |
| 74 | name = c.Name |
| 75 | } |
| 76 | } |
| 77 | title := q.Title |
| 78 | if title == "" { |
| 79 | title = "Untitled" |
| 80 | } |
| 81 | attendees := q.Attendees |
| 82 | if attendees == nil { |
| 83 | attendees = []string{} |
| 84 | } |
| 85 | notes := q.Notes |
| 86 | if notes == nil { |
| 87 | notes = []string{} |
| 88 | } |
| 89 | pane := quickPaneFor(q, zone) |
| 90 | nativeJSON(w, nativeQuickPreview{nativeQuickDraft{id, title, q.Location, q.StartLocal, q.EndLocal, zone, q.AllDay, q.Repeat, attendees}, pane.When, pane.Repeat, name, notes}) |
| 91 | } |
| 92 | func (h *handlers) nativeQuickSave(w http.ResponseWriter, r *http.Request) { |
| 93 | var in nativeQuickDraft |
| 94 | if !decodeNativeQuick(w, r, &in) { |
| 95 | return |
| 96 | } |
| 97 | switch in.Repeat { |
| 98 | case "", RepeatNone, RepeatDaily, RepeatWeekdays, RepeatWeekly, RepeatFortnight, RepeatMonthly, RepeatYearly: |
| 99 | default: |
| 100 | http.Error(w, "Unsupported repeat choice", 422) |
| 101 | return |
| 102 | } |
| 103 | if len(in.Attendees) > 100 { |
| 104 | http.Error(w, "Too many attendees", 422) |
| 105 | return |
| 106 | } |
| 107 | p, _ := CurrentPerson(r) |
| 108 | // CreateEvent remains the grant/validation authority. No calendar ownership, |
| 109 | // author identity, status or raw recurrence rule is accepted from the client. |
| 110 | ev, err := h.store.CreateEvent(r.Context(), p.ID, EventInput{CalendarID: in.CalendarID, Title: in.Title, Location: in.Location, StartLocal: in.StartLocal, EndLocal: in.EndLocal, TZ: in.TZ, AllDay: in.AllDay, Kind: KindMeeting, Status: StatusConfirmed, RRule: RuleFromRepeat(in.Repeat, "", in.StartLocal, in.TZ, in.AllDay)}) |
| 111 | if err != nil { |
| 112 | nativeEventError(w, r, err) |
| 113 | return |
| 114 | } |
| 115 | warnings := []string{} |
| 116 | if len(in.Attendees) > 0 { |
| 117 | if err := h.store.SetAttendees(r.Context(), ev.ID, in.Attendees); err != nil { |
| 118 | warnings = append(warnings, "Attendees could not be recorded.") |
| 119 | } |
| 120 | } |
| 121 | if err := h.store.EnsureDefaultReminder(r.Context(), p, ev); err != nil { |
| 122 | warnings = append(warnings, "Its reminder could not be scheduled.") |
| 123 | } |
| 124 | result := map[string]any{"id": ev.ID} |
| 125 | if len(warnings) > 0 { |
| 126 | result["warning"] = "Event saved. " + strings.Join(warnings, " ") |
| 127 | } |
| 128 | nativeJSON(w, result) |
| 129 | } |
| 130 | |
| 131 | func nativeViewZone(requested, fallback string) (string, bool) { |
| 132 | if requested == "" { |
| 133 | requested = fallback |
| 134 | } |
| 135 | if len(requested) > 128 { |
| 136 | return "", false |
| 137 | } |
| 138 | _, err := Zone(requested) |
| 139 | return requested, err == nil |
| 140 | } |
| 141 | |