func ConstructGrid()

in pkg/updater/updater.go [1030:1087]
51 lines of code
13 McCabe index (conditional complexity)

func ConstructGrid(log logrus.FieldLogger, cols []InflatedColumn, issues map[string][]string, failuresToAlert, passesToDisableAlert int, useCommitAsBuildID bool, userProperty string, brokenThreshold float32, columnHeader []*configpb.TestGroup_ColumnHeader) *statepb.Grid {
	// Add the columns into a grid message
	var grid statepb.Grid
	rows := map[string]*statepb.Row{} // For fast target => row lookup
	if failuresToAlert > 0 && passesToDisableAlert == 0 {
		passesToDisableAlert = 1
	}

	for _, col := range cols {
		if brokenThreshold > 0.0 && col.Column != nil {
			col.Column.Stats = columnStats(col.Cells, brokenThreshold)
		}
		AppendColumn(&grid, rows, col)
	}

	dropEmptyRows(log, &grid, rows)

	for name, row := range rows {
		row.Issues = append(row.Issues, issues[name]...)
		issueSet := make(map[string]bool, len(row.Issues))
		for _, i := range row.Issues {
			issueSet[i] = true
		}
		row.Issues = make([]string, 0, len(issueSet))
		for i := range issueSet {
			row.Issues = append(row.Issues, i)
		}
		sort.SliceStable(row.Issues, func(i, j int) bool {
			// Largest issues at the front of the list
			return !sortorder.NaturalLess(row.Issues[i], row.Issues[j])
		})
	}

	alertRows(grid.Columns, grid.Rows, failuresToAlert, passesToDisableAlert, useCommitAsBuildID, userProperty, columnHeader)
	sort.SliceStable(grid.Rows, func(i, j int) bool {
		return sortorder.NaturalLess(grid.Rows[i].Name, grid.Rows[j].Name)
	})

	for _, row := range grid.Rows {
		del := true
		for _, up := range row.UserProperty {
			if up != "" {
				del = false
				break
			}
		}
		if del {
			row.UserProperty = nil
		}
		sort.SliceStable(row.Metric, func(i, j int) bool {
			return sortorder.NaturalLess(row.Metric[i], row.Metric[j])
		})
		sort.SliceStable(row.Metrics, func(i, j int) bool {
			return sortorder.NaturalLess(row.Metrics[i].Name, row.Metrics[j].Name)
		})
	}
	return &grid
}