func()

in analysis/app/compare.go [251:299]

• 38 lines of code
• 12 McCabe index (conditional complexity)

func (a *App) fetchCompareResults(ctx context.Context, q string) ([]*resultGroup, error) {
	// Parse query
	prefix, queries := parseQueryString(q)

	// Send requests
	// TODO(quentin): Issue requests in parallel?
	var groups []*resultGroup
	var found int
	for _, qPart := range queries {
		keys := queryKeys(qPart)
		group := &resultGroup{Q: qPart}
		if prefix != "" {
			qPart = prefix + " " + qPart
		}
		res := a.StorageClient.Query(ctx, qPart)
		for res.Next() {
			result := res.Result()
			result.Content = elideKeyValues(result.Content, keys)
			group.add(result)
			found++
		}
		err := res.Err()
		res.Close()
		if err != nil {
			// TODO: If the query is invalid, surface that to the user.
			return nil, err
		}
		groups = append(groups, group)
	}

	if found == 0 {
		return nil, errors.New("no results matched the query string")
	}

	// Attempt to automatically split results.
	if len(groups) == 1 {
		group := groups[0]
		// Matching a single CL -> split by filename
		switch {
		case len(group.LabelValues["cl"]) == 1 && len(group.LabelValues["ps"]) == 1 && len(group.LabelValues["upload-file"]) > 1:
			groups = group.splitOn("upload-file")
		// Matching a single upload with multiple files -> split by file
		case len(group.LabelValues["upload"]) == 1 && len(group.LabelValues["upload-part"]) > 1:
			groups = group.splitOn("upload-part")
		}
	}

	return groups, nil
}