lot of new functionalities

renderer/xlsx/xlsx.go

@@ -0,0 +1,60 @@
+package xlsx
+
+import (
+	"github.com/spf13/viper"
+	"github.com/xuri/excelize/v2"
+)
+
+// XLSXRenderer handles rendering data to Excel XLSX format
+type XLSXRenderer struct {
+	Config *viper.Viper
+}
+
+func NewXLSXRenderer(config *viper.Viper) *XLSXRenderer {
+	return &XLSXRenderer{
+		Config: config,
+	}
+}
+
+// Spreadsheet represents an Excel spreadsheet
+type Spreadsheet struct {
+	file      *excelize.File
+	sheetName string
+	rowIndex  int
+}
+
+// NewSpreadsheet creates a new Excel spreadsheet
+func (r *XLSXRenderer) NewSpreadsheet(sheetName string) *Spreadsheet {
+	f := excelize.NewFile()
+	// Rename default sheet
+	f.SetSheetName("Sheet1", sheetName)
+
+	return &Spreadsheet{
+		file:      f,
+		sheetName: sheetName,
+		rowIndex:  1,
+	}
+}
+
+// SetHeaders sets the header row
+func (s *Spreadsheet) SetHeaders(headers []string) {
+	for i, header := range headers {
+		cell, _ := excelize.CoordinatesToCellName(i+1, s.rowIndex)
+		s.file.SetCellValue(s.sheetName, cell, header)
+	}
+	s.rowIndex++
+}
+
+// AddRow adds a data row
+func (s *Spreadsheet) AddRow(values []interface{}) {
+	for i, value := range values {
+		cell, _ := excelize.CoordinatesToCellName(i+1, s.rowIndex)
+		s.file.SetCellValue(s.sheetName, cell, value)
+	}
+	s.rowIndex++
+}
+
+// GetFile returns the underlying excelize File
+func (s *Spreadsheet) GetFile() *excelize.File {
+	return s.file
+}