Add new functions DeleteSlicer and GetSlicers

errors.go

@@ -264,6 +264,12 @@ func newInvalidStyleID(styleID int) error {
 	return fmt.Errorf("invalid style ID %d", styleID)
 }
 
+// newNoExistSlicerError defined the error message on receiving the non existing
+// slicer name.
+func newNoExistSlicerError(name string) error {
+	return fmt.Errorf("slicer %s does not exist", name)
+}
+
 // newNoExistTableError defined the error message on receiving the non existing
 // table name.
 func newNoExistTableError(name string) error {

pivotTable.go

@@ -785,12 +785,11 @@ func (f *File) getPivotTableDataRange(opts *PivotTableOptions) error {
 		opts.pivotDataRange = opts.DataRange
 		return nil
 	}
-	for _, sheetName := range f.GetSheetList() {
-		tables, err := f.GetTables(sheetName)
-		e := ErrSheetNotExist{sheetName}
-		if err != nil && err.Error() != newNotWorksheetError(sheetName).Error() && err.Error() != e.Error() {
-			return err
-		}
+	tbls, err := f.getTables()
+	if err != nil {
+		return err
+	}
+	for sheetName, tables := range tbls {
 		for _, table := range tables {
 			if table.Name == opts.DataRange {
 				opts.pivotDataRange, opts.namedDataRange = fmt.Sprintf("%s!%s", sheetName, table.Range), true
@@ -1016,8 +1015,8 @@ func (f *File) DeletePivotTable(sheet, name string) error {
 		return err
 	}
 	pivotTableCaches := map[string]int{}
-	for _, sheetName := range f.GetSheetList() {
-		sheetPivotTables, _ := f.GetPivotTables(sheetName)
+	pivotTables, _ := f.getPivotTables()
+	for _, sheetPivotTables := range pivotTables {
 		for _, sheetPivotTable := range sheetPivotTables {
 			pivotTableCaches[sheetPivotTable.pivotCacheXML]++
 		}
@@ -1038,3 +1037,17 @@ func (f *File) DeletePivotTable(sheet, name string) error {
 	}
 	return newNoExistTableError(name)
 }
+
+// getPivotTables provides a function to get all pivot tables in a workbook.
+func (f *File) getPivotTables() (map[string][]PivotTableOptions, error) {
+	pivotTables := map[string][]PivotTableOptions{}
+	for _, sheetName := range f.GetSheetList() {
+		pts, err := f.GetPivotTables(sheetName)
+		e := ErrSheetNotExist{sheetName}
+		if err != nil && err.Error() != newNotWorksheetError(sheetName).Error() && err.Error() != e.Error() {
+			return pivotTables, err
+		}
+		pivotTables[sheetName] = append(pivotTables[sheetName], pts...)
+	}
+	return pivotTables, nil
+}

pivotTable_test.go

@@ -343,6 +343,8 @@ func TestPivotTable(t *testing.T) {
 	f.Pkg.Store("xl/pivotTables/pivotTable1.xml", MacintoshCyrillicCharset)
 	_, err = f.GetPivotTables("Sheet1")
 	assert.EqualError(t, err, "XML syntax error on line 1: invalid UTF-8")
+	_, err = f.getPivotTables()
+	assert.EqualError(t, err, "XML syntax error on line 1: invalid UTF-8")
 	assert.NoError(t, f.Close())
 }