Files
probo/pkg/soagen/generator.go
Sacha Al Himdani 85bd140599 Exclude controls
Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>
2025-07-21 11:05:04 +02:00

320 lines
8.5 KiB
Go

// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
package soagen
import (
"fmt"
"strings"
"github.com/xuri/excelize/v2"
)
func GenerateSOAExcel(data SOAData) ([]byte, error) {
f := excelize.NewFile()
defer f.Close()
sheetName := "State of Applicability"
_, err := f.NewSheet(sheetName)
if err != nil {
return nil, fmt.Errorf("cannot create sheet: %w", err)
}
if err := f.DeleteSheet("Sheet1"); err != nil {
return nil, fmt.Errorf("cannot delete sheet: %w", err)
}
if err := setupSOAHeader(f, sheetName); err != nil {
return nil, fmt.Errorf("cannot setup Excel header: %w", err)
}
if err := populateSOAData(f, sheetName, data.Rows); err != nil {
return nil, fmt.Errorf("cannot populate Excel data: %w", err)
}
if err := applySOAFinalFormatting(f, sheetName, len(data.Rows)); err != nil {
return nil, fmt.Errorf("cannot apply final formatting: %w", err)
}
buf, err := f.WriteToBuffer()
if err != nil {
return nil, fmt.Errorf("cannot write Excel file to buffer: %w", err)
}
return buf.Bytes(), nil
}
func setupSOAHeader(f *excelize.File, sheetName string) error {
headerStyle, err := f.NewStyle(getHeaderStyle())
if err != nil {
return err
}
cellStyle, err := f.NewStyle(getCellStyle())
if err != nil {
return err
}
return applyHeaderLayout(f, sheetName, getSOAHeaderLayout(), headerStyle, cellStyle)
}
func populateSOAData(f *excelize.File, sheetName string, rows []SOARowData) error {
dataStartRow := 8
for i, rowData := range rows {
isFirstRow := i == 0
filterColumns, err := writeSOARow(f, sheetName, dataStartRow+i, rowData, isFirstRow)
if err != nil {
return fmt.Errorf("cannot write row %d: %w", dataStartRow+i, err)
}
if isFirstRow && len(filterColumns) > 0 {
if err := applySOAAutoFilter(f, sheetName, filterColumns); err != nil {
return fmt.Errorf("cannot apply auto filter: %w", err)
}
}
}
return nil
}
func writeSOARow(f *excelize.File, sheetName string, row int, data SOARowData, isFirstRow bool) ([]string, error) {
var allFilterColumns []string
fields := []struct {
name string
value interface{}
}{
{"SectionTitle", data.SectionTitle},
{"ControlName", data.ControlName},
{"Applicability", data.Applicability},
{"Regulatory", data.Regulatory},
{"Contractual", data.Contractual},
{"BestPractice", data.BestPractice},
{"RiskAssessment", data.RiskAssessment},
{"ExclusionJustification", data.ExclusionJustification},
{"SecurityMeasures", data.SecurityMeasures},
}
for _, field := range fields {
fieldConfig := getSOAFieldConfig(field.name)
if fieldConfig == nil {
continue
}
filterColumns, err := processField(f, sheetName, row, field.value, *fieldConfig, isFirstRow)
if err != nil {
return nil, fmt.Errorf("cannot write field %s: %w", field.name, err)
}
allFilterColumns = append(allFilterColumns, filterColumns...)
}
return allFilterColumns, nil
}
func getSOAFieldConfig(fieldName string) *FieldConfiguration {
for _, config := range soaFieldConfigs {
if config.Field == fieldName {
return &config
}
}
return nil
}
func applySOAAutoFilter(f *excelize.File, sheetName string, filterColumns []string) error {
if len(filterColumns) == 0 {
return nil
}
firstCol, lastCol := filterColumns[0], filterColumns[0]
for _, col := range filterColumns {
if col < firstCol {
firstCol = col
}
if col > lastCol {
lastCol = col
}
}
filterRange := fmt.Sprintf("%s7:%s1000", firstCol, lastCol)
return f.AutoFilter(sheetName, filterRange, []excelize.AutoFilterOptions{})
}
func applySOAFinalFormatting(f *excelize.File, sheetName string, dataRowCount int) error {
if dataRowCount > 0 {
headerRowHeight := 30.0
f.SetRowHeight(sheetName, 6, headerRowHeight)
f.SetRowHeight(sheetName, 7, headerRowHeight)
return f.SetPanes(sheetName, &excelize.Panes{
Freeze: true,
XSplit: 0,
YSplit: 7,
TopLeftCell: "A8",
})
}
return nil
}
func processField(f *excelize.File, sheetName string, row int, value interface{}, config FieldConfiguration, isFirstRow bool) ([]string, error) {
switch v := value.(type) {
case ExcelMarshaler:
marshaler := v
excelValue := marshaler.MarshalExcel()
styleID, err := createCellStyle(f, excelValue.Style)
if err != nil {
return nil, err
}
return writeSingleColumnField(f, sheetName, row, excelValue, &config, styleID, isFirstRow)
case string:
if len(config.Columns) == 0 {
return []string{}, nil
}
col := config.Columns[0]
cellRef := fmt.Sprintf("%s%d", col, row)
if err := f.SetCellValue(sheetName, cellRef, v); err != nil {
return nil, fmt.Errorf("cannot set cell value: %w", err)
}
textStyleID, err := createCellStyle(f, getTextStyle())
if err != nil {
return nil, fmt.Errorf("cannot create text style: %w", err)
}
if err := f.SetCellStyle(sheetName, cellRef, cellRef, textStyleID); err != nil {
return nil, fmt.Errorf("cannot set cell style: %w", err)
}
if isFirstRow {
width := config.DefaultWidth
if len(config.Width) > 0 {
width = config.Width[0]
}
if err := f.SetColWidth(sheetName, col, col, width); err != nil {
return nil, fmt.Errorf("cannot set column width: %w", err)
}
}
if config.HasFilter {
if len(config.FilterColumns) > 0 {
return config.FilterColumns, nil
}
return []string{col}, nil
}
return []string{}, nil
case []string:
var formattedLines []string
for _, item := range v {
lines := strings.Split(item, "\n")
for _, line := range lines {
if strings.TrimSpace(line) != "" {
formattedLines = append(formattedLines, "• "+strings.TrimSpace(line))
}
}
}
joinedValue := strings.Join(formattedLines, "\n")
if len(config.Columns) == 0 {
return []string{}, nil
}
col := config.Columns[0]
cellRef := fmt.Sprintf("%s%d", col, row)
if err := f.SetCellValue(sheetName, cellRef, joinedValue); err != nil {
return nil, fmt.Errorf("cannot set cell value: %w", err)
}
textStyleID, err := createCellStyle(f, getTextStyle())
if err != nil {
return nil, fmt.Errorf("cannot create text style: %w", err)
}
if err := f.SetCellStyle(sheetName, cellRef, cellRef, textStyleID); err != nil {
return nil, fmt.Errorf("cannot set cell style: %w", err)
}
if isFirstRow {
width := config.DefaultWidth
if len(config.Width) > 0 {
width = config.Width[0]
}
if err := f.SetColWidth(sheetName, col, col, width); err != nil {
return nil, fmt.Errorf("cannot set column width: %w", err)
}
}
if config.HasFilter {
if len(config.FilterColumns) > 0 {
return config.FilterColumns, nil
}
return []string{col}, nil
}
return []string{}, nil
case *bool:
yesNoValue := boolToYesNo(v)
excelValue := yesNoValue.MarshalExcel()
styleID, err := createCellStyle(f, excelValue.Style)
if err != nil {
return nil, err
}
return writeSingleColumnField(f, sheetName, row, excelValue, &config, styleID, isFirstRow)
default:
return nil, fmt.Errorf("no handler found for field type: %T", value)
}
}
func GenerateExcel(data SOAData) ([]byte, error) {
return GenerateSOAExcel(data)
}
func writeSingleColumnField(f *excelize.File, sheetName string, row int, excelValue ExcelValue, colDef *FieldConfiguration, styleID int, isFirstRow bool) ([]string, error) {
if len(colDef.Columns) == 0 {
return []string{}, nil
}
col := colDef.Columns[0]
cellRef := fmt.Sprintf("%s%d", col, row)
f.SetCellValue(sheetName, cellRef, excelValue.Value)
f.SetCellStyle(sheetName, cellRef, cellRef, styleID)
if isFirstRow {
if err := applyDataValidation(f, sheetName, col, row, excelValue.Validation); err != nil {
return nil, err
}
if err := setColumnWidth(f, sheetName, col, excelValue.Width); err != nil {
return nil, err
}
}
if colDef.HasFilter {
if len(colDef.FilterColumns) > 0 {
return colDef.FilterColumns, nil
}
return []string{col}, nil
}
return []string{}, nil
}