add filter for categories

internal/piwigocli/categories_list.go

@@ -3,12 +3,14 @@ package piwigocli
 import (
 	"net/url"
 	"os"
+	"regexp"
 
 	"github.com/celogeek/piwigo-cli/internal/piwigo"
 	"github.com/jedib0t/go-pretty/v6/table"
 )
 
 type CategoriesListCommand struct {
+	Filter string `short:"x" long:"filter" description:"Regexp filter"`
 }
 
 type GetCategoriesListResponse struct {
@@ -38,13 +40,19 @@ func (c *CategoriesListCommand) Execute(args []string) error {
 	t := table.NewWriter()
 
 	t.AppendHeader(table.Row{"Id", "Name", "Images", "Url"})
+	filter := regexp.MustCompile("")
+	if c.Filter != "" {
+		filter = regexp.MustCompile("(?i)" + c.Filter)
+	}
 	for _, category := range resp.Categories {
-		t.AppendRow(table.Row{
-			category.Id,
-			category.Name,
-			category.ImagesCount,
-			category.Url,
-		})
+		if filter.MatchString(category.Name) {
+			t.AppendRow(table.Row{
+				category.Id,
+				category.Name,
+				category.ImagesCount,
+				category.Url,
+			})
+		}
 	}
 
 	t.SetOutputMirror(os.Stdout)