add xlsx and mod

csv/csv.go

@@ -2,7 +2,10 @@ package csv
 
 import (
 	"encoding/csv"
+	"fmt"
 	"os"
+
+	"github.com/xuri/excelize/v2"
 )
 
 type CSV struct{}
@@ -44,3 +47,35 @@ func (c *CSV) ParseToMap(filePath string) ([]map[string]string, error) {
 
 	return records, nil
 }
+
+func (c *CSV) ToXLSX(csvFilePath, xlsxFilePath string) error {
+	csvFile, err := os.Open(csvFilePath)
+	if err != nil {
+		return fmt.Errorf("error opening CSV file: %w", err)
+	}
+	defer csvFile.Close()
+
+	reader := csv.NewReader(csvFile)
+
+	records, err := reader.ReadAll()
+	if err != nil {
+		return fmt.Errorf("error reading CSV file: %w", err)
+	}
+
+	xlsx := excelize.NewFile()
+	sheetName := "Sheet1"
+	xlsx.NewSheet(sheetName)
+
+	for i, record := range records {
+		for j, field := range record {
+			cell, _ := excelize.CoordinatesToCellName(j+1, i+1)
+			xlsx.SetCellValue(sheetName, cell, field)
+		}
+	}
+
+	if err := xlsx.SaveAs(xlsxFilePath); err != nil {
+		return fmt.Errorf("error saving XLSX file: %w", err)
+	}
+
+	return nil
+}

csv/csv_test.go

@@ -1,8 +1,11 @@
 package csv
 
 import (
+	"os"
 	"reflect"
 	"testing"
+
+	"github.com/xuri/excelize/v2"
 )
 
 func TestParseToMap(t *testing.T) {
@@ -45,3 +48,47 @@ func TestParseToMap(t *testing.T) {
 		}
 	}
 }
+
+func TestToXLSX(t *testing.T) {
+
+	// Create a temporary file
+	tmpFile, err := os.CreateTemp("", "test.*.xlsx")
+	if err != nil {
+		t.Fatalf("Failed to create temp file: %v", err)
+	}
+
+	c := New()
+
+	err = c.ToXLSX("./data/test.csv", tmpFile.Name())
+	if err != nil {
+		t.Fatalf("Failed to convert CSV to XLSX: %v", err)
+	}
+
+	xlsx, err := excelize.OpenFile(tmpFile.Name())
+	if err != nil {
+		t.Fatalf("Failed to open XLSX file: %v", err)
+	}
+
+	rows, err := xlsx.GetRows("Sheet1")
+	if err != nil {
+		t.Fatalf("Failed to get rows from XLSX file: %v", err)
+	}
+
+	if len(rows) != 3 {
+		t.Fatalf("Expected 2 rows in XLSX file, got %d", len(rows))
+	}
+
+	expected := [][]string{
+		{"Name", "Age", "City"},
+		{"Alice", "30", "New York"},
+		{"Bob", "35", "Los Angeles"},
+	}
+
+	for i, row := range rows {
+		for j, cell := range row {
+			if cell != expected[i][j] {
+				t.Errorf("Expected cell (%d, %d) to be %s, got %s", i, j, expected[i][j], cell)
+			}
+		}
+	}
+}

go.mod

@@ -10,6 +10,14 @@ require (
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/richardlehane/mscfb v1.0.4 // indirect
+	github.com/richardlehane/msoleps v1.0.3 // indirect
+	github.com/xuri/efp v0.0.0-20230802181842-ad255f2331ca // indirect
+	github.com/xuri/excelize/v2 v2.8.0 // indirect
+	github.com/xuri/nfp v0.0.0-20230819163627-dc951e3ffe1a // indirect
+	golang.org/x/crypto v0.12.0 // indirect
+	golang.org/x/net v0.14.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,13 +1,74 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/google/uuid v1.3.1 h1:KjJaJ9iWZ3jOFZIf1Lqf4laDRCasjl0BCmnEGxkdLb4=
 github.com/google/uuid v1.3.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 h1:RWengNIwukTxcDr9M+97sNutRR1RKhG96O6jWumTTnw=
+github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826/go.mod h1:TaXosZuwdSHYgviHp1DAtfrULt5eUgsSMsZf+YrPgl8=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/richardlehane/mscfb v1.0.4 h1:WULscsljNPConisD5hR0+OyZjwK46Pfyr6mPu5ZawpM=
+github.com/richardlehane/mscfb v1.0.4/go.mod h1:YzVpcZg9czvAuhk9T+a3avCpcFPMUWm7gK3DypaEsUk=
+github.com/richardlehane/msoleps v1.0.1/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=
+github.com/richardlehane/msoleps v1.0.3 h1:aznSZzrwYRl3rLKRT3gUk9am7T/mLNSnJINvN0AQoVM=
+github.com/richardlehane/msoleps v1.0.3/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
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+github.com/xuri/efp v0.0.0-20230802181842-ad255f2331ca/go.mod h1:ybY/Jr0T0GTCnYjKqmdwxyxn2BQf2RcQIIvex5QldPI=
+github.com/xuri/excelize/v2 v2.8.0 h1:Vd4Qy809fupgp1v7X+nCS/MioeQmYVVzi495UCTqB7U=
+github.com/xuri/excelize/v2 v2.8.0/go.mod h1:6iA2edBTKxKbZAa7X5bDhcCg51xdOn1Ar5sfoXRGrQg=
+github.com/xuri/nfp v0.0.0-20230819163627-dc951e3ffe1a h1:Mw2VNrNNNjDtw68VsEj2+st+oCSn4Uz7vZw6TbhcV1o=
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+github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
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 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

xls/xls.go

@@ -0,0 +1,70 @@
+package xls
+
+import (
+	"encoding/csv"
+	"fmt"
+	"os"
+
+	"github.com/xuri/excelize/v2"
+)
+
+type XLS struct{}
+
+func New() *XLS {
+	return &XLS{}
+}
+
+func (x *XLS) ParseToMap(filePath string) ([]map[string]string, error) {
+	f, err := excelize.OpenFile(filePath)
+	if err != nil {
+		return nil, fmt.Errorf("error opening xlsx file: %w", err)
+	}
+	defer f.Close()
+
+	rows, err := f.GetRows("Sheet1")
+	if err != nil {
+		return nil, fmt.Errorf("error getting rows from xlsx file: %w", err)
+	}
+
+	var records []map[string]string
+	for _, row := range rows {
+		record := make(map[string]string)
+		for i, cell := range row {
+			record[fmt.Sprintf("col%d", i)] = cell
+		}
+
+		records = append(records, record)
+	}
+
+	return records, nil
+}
+
+func (x *XLS) ToCSV(xlsxPath, csvPath string) error {
+	f, err := excelize.OpenFile(xlsxPath)
+	if err != nil {
+		return fmt.Errorf("error opening xlsx file: %w", err)
+	}
+	defer f.Close()
+
+	rows, err := f.GetRows("Sheet1")
+	if err != nil {
+		return fmt.Errorf("error getting rows from xlsx file: %w", err)
+	}
+
+	csvFile, err := os.Create(csvPath)
+	if err != nil {
+		return fmt.Errorf("error creating csv file: %w", err)
+	}
+	defer csvFile.Close()
+
+	writer := csv.NewWriter(csvFile)
+	defer writer.Flush()
+
+	for _, row := range rows {
+		if err := writer.Write(row); err != nil {
+			return fmt.Errorf("error writing row to csv file: %w", err)
+		}
+	}
+
+	return nil
+}

xls/xls_test.go

@@ -0,0 +1,93 @@
+package xls
+
+import (
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/xuri/excelize/v2"
+)
+
+func TestToCSV(t *testing.T) {
+	xlsxPath := "./test.xlsx"
+	csvPath := "./test.csv"
+
+	f := excelize.NewFile()
+	f.SetCellValue("Sheet1", "A1", "Hello")
+	f.SetCellValue("Sheet1", "B1", "World")
+	if err := f.SaveAs(xlsxPath); err != nil {
+		t.Fatalf("Unable to create test xlsx file: %v", err)
+	}
+
+	defer os.Remove(xlsxPath)
+	defer os.Remove(csvPath)
+
+	x := New()
+
+	err := x.ToCSV(xlsxPath, csvPath)
+	if err != nil {
+		t.Errorf("ToCSV() error = %v", err)
+	}
+
+	if _, err := os.Stat(csvPath); os.IsNotExist(err) {
+		t.Errorf("CSV file was not created")
+	}
+
+}
+
+func TestParseToMap(t *testing.T) {
+	xlsxPath := "./testp.xlsx"
+	sheetName := "Sheet1"
+
+	f := excelize.NewFile()
+
+	f.NewSheet(sheetName)
+	f.SetCellValue(sheetName, "A1", "Header1")
+	f.SetCellValue(sheetName, "B1", "Header2")
+	f.SetCellValue(sheetName, "A2", "Value1")
+	f.SetCellValue(sheetName, "B2", "Value2")
+
+	if err := f.SaveAs(xlsxPath); err != nil {
+		t.Fatalf("Unable to create test xlsx file: %v", err)
+	}
+
+	defer func() {
+		err := f.Close()
+		if err != nil {
+			t.Fatalf("Unable to close the xlsx file: %v", err)
+		}
+		err = os.Remove(xlsxPath)
+		if err != nil {
+			t.Fatalf("Unable to remove the xlsx file: %v", err)
+		}
+	}()
+
+	expected := []map[string]string{
+		{"col0": "Header1", "col1": "Header2"},
+		{"col0": "Value1", "col1": "Value2"},
+	}
+
+	x := New()
+
+	records, err := x.ParseToMap(xlsxPath)
+	if err != nil {
+		t.Errorf("ParseToMap() error = %v", err)
+	}
+
+	if !reflect.DeepEqual(records, expected) {
+		t.Errorf("ParseToMap() got = %v, want %v", records, expected)
+	}
+}
+
+func TestParseToMapError(t *testing.T) {
+	// Non-existent file path
+	xlsxPath := "./nonexistent.xlsx"
+
+	// Execute the function to test.
+	x := New()
+
+	_, err := x.ParseToMap(xlsxPath)
+	if err == nil {
+		t.Errorf("ParseToMap() expected error, got nil")
+	}
+}