Function buildDestinationCopyRequests

internal/sheetsvalidation/copy.go:534–651

(
	destination *sheets.GridRange,
	spans []Span,
	segments []copySegment,
)

}

func buildDestinationCopyRequests(
	destination *sheets.GridRange,
	spans []Span,
	segments []copySegment,
) ([]*sheets.Request, []Span, error) {
	type copyGroup struct {
		columns    []*sheets.TableColumnProperties
		conditions map[int64]*sheets.BooleanCondition
	}
	groups := make(map[string]*copyGroup)
	protected := make([]Span, 0)

	for _, span := range spans {
		if span.SheetID != destination.SheetId {
			continue
		}

		if _, _, ok := IntersectGridIndexes(
			span.StartRow,
			span.EndRow,
			destination.StartRowIndex,
			destination.EndRowIndex,
		); !ok {
			continue
		}

		if _, _, ok := IntersectGridIndexes(
			span.StartCol,
			span.EndCol,
			destination.StartColumnIndex,
			destination.EndColumnIndex,
		); !ok {
			continue
		}
		startRow, endRow, _ := IntersectGridIndexes(
			span.StartRow,
			span.EndRow,
			destination.StartRowIndex,
			destination.EndRowIndex,
		)
		startCol, endCol, _ := IntersectGridIndexes(
			span.StartCol,
			span.EndCol,
			destination.StartColumnIndex,
			destination.EndColumnIndex,
		)

		condition, ruleKey, covered := ruleCoverage(
			segments,
			startRow,
			endRow,
			startCol,
			endCol,
		)
		if !covered {
			return nil, nil, invalidf(
				"copy into table column %d in table %s requires a table-column source covering the destination",
				span.ColumnIndex+1,