| 1 | package calendar |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "fmt" |
| 6 | |
| 7 | "amadan.net/oficina/calendar/internal/calendar/seal" |
| 8 | ) |
| 9 | |
| 10 | // The read side of an event: fetching one through a grant, and opening |
| 11 | // its sealed columns. Split from store_event.go so neither passes the |
| 12 | // 300-line cap. |
| 13 | |
| 14 | // Event reads one event, scoped through a grant on its calendar. |
| 15 | func (s *Store) Event(ctx context.Context, personID, eventID int64) (EventView, error) { |
| 16 | type row struct { |
| 17 | Event |
| 18 | Role string |
| 19 | CalendarName []byte |
| 20 | CalendarHue int |
| 21 | } |
| 22 | var r row |
| 23 | err := s.g.WithContext(ctx). |
| 24 | Model(&Event{}). |
| 25 | Select("events.*, grants.role as role, calendars.name_sealed as calendar_name, calendars.hue as calendar_hue"). |
| 26 | Joins("JOIN calendars ON calendars.id = events.calendar_id"). |
| 27 | Joins("JOIN grants ON grants.calendar_id = events.calendar_id AND grants.person_id = ?", personID). |
| 28 | Where("events.id = ? AND events.deleted_at IS NULL", eventID). |
| 29 | Limit(1). |
| 30 | Scan(&r).Error |
| 31 | if err != nil { |
| 32 | return EventView{}, fmt.Errorf("calendar: read event: %w", err) |
| 33 | } |
| 34 | if r.Event.ID == 0 { |
| 35 | return EventView{}, ErrNotFound |
| 36 | } |
| 37 | return s.openEvent(r.Event, r.Role, r.CalendarName, r.CalendarHue) |
| 38 | } |
| 39 | |
| 40 | func (s *Store) openEvent(e Event, role string, calName []byte, hue int) (EventView, error) { |
| 41 | title, err := s.seal.OpenString(seal.PurposeEventTitle, e.TitleSealed) |
| 42 | if err != nil { |
| 43 | return EventView{}, fmt.Errorf("calendar: open title (event %d): %w", e.ID, err) |
| 44 | } |
| 45 | loc, err := s.seal.OpenString(seal.PurposeEventLocation, e.LocationSealed) |
| 46 | if err != nil { |
| 47 | return EventView{}, fmt.Errorf("calendar: open location (event %d): %w", e.ID, err) |
| 48 | } |
| 49 | notes, err := s.seal.OpenString(seal.PurposeEventNotes, e.NotesSealed) |
| 50 | if err != nil { |
| 51 | return EventView{}, fmt.Errorf("calendar: open notes (event %d): %w", e.ID, err) |
| 52 | } |
| 53 | name, err := s.seal.OpenString(seal.PurposeCalendarName, calName) |
| 54 | if err != nil { |
| 55 | return EventView{}, fmt.Errorf("calendar: open calendar name (event %d): %w", e.ID, err) |
| 56 | } |
| 57 | return EventView{ |
| 58 | Event: e, |
| 59 | Title: title, |
| 60 | Location: loc, |
| 61 | Notes: notes, |
| 62 | OccStartUTC: e.StartUTC, |
| 63 | OccEndUTC: e.EndUTC, |
| 64 | CalendarName: name, |
| 65 | CalendarHue: hue, |
| 66 | Role: role, |
| 67 | }, nil |
| 68 | } |
| 69 | |
amadan