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package store
import "fmt"
// Annotation holds optional comment and highlight colour for a history row.
type Annotation struct {
HistoryID uint64
Comment string
Color string // empty means no highlight; one of: "red", "orange", "yellow", "green", "blue", "purple"
}
// SetAnnotation creates or replaces the annotation for the given history row.
func (s *Store) SetAnnotation(a Annotation) error {
return s.write(func() error {
_, err := s.db.Exec(`
INSERT INTO annotations (history_id, comment, color)
VALUES (?, ?, ?)
ON CONFLICT(history_id) DO UPDATE SET
comment = excluded.comment,
color = excluded.color`,
a.HistoryID, a.Comment, a.Color,
)
if err != nil {
return fmt.Errorf("store: set annotation %d: %w", a.HistoryID, err)
}
return nil
})
}
// DeleteAnnotation removes the annotation for the given history row.
func (s *Store) DeleteAnnotation(historyID uint64) error {
return s.write(func() error {
_, err := s.db.Exec(`DELETE FROM annotations WHERE history_id = ?`, historyID)
if err != nil {
return fmt.Errorf("store: delete annotation %d: %w", historyID, err)
}
return nil
})
}
// AllAnnotations returns every annotation row. Called once at startup to
// populate the in-memory annotation map.
func (s *Store) AllAnnotations() ([]Annotation, error) {
rows, err := s.db.Query(`SELECT history_id, comment, color FROM annotations`)
if err != nil {
return nil, fmt.Errorf("store: all annotations: %w", err)
}
defer rows.Close()
var out []Annotation
for rows.Next() {
var a Annotation
if err := rows.Scan(&a.HistoryID, &a.Comment, &a.Color); err != nil {
return nil, fmt.Errorf("store: scan annotation: %w", err)
}
out = append(out, a)
}
return out, rows.Err()
}
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