find empty categories

cmd/piwigo-cli/categories_list.go

@@ -10,6 +10,7 @@ import (
 
 type CategoriesListCommand struct {
 	Filter string `short:"x" long:"filter" description:"Regexp filter"`
+	Empty  bool   `short:"e" long:"empty" description:"Find empty album without any photo or sub album"`
 }
 
 func (c *CategoriesListCommand) Execute(args []string) error {
@@ -28,23 +29,28 @@ func (c *CategoriesListCommand) Execute(args []string) error {
 		return err
 	}
 
-	filter := regexp.MustCompile("")
+	var filter *regexp.Regexp
 	if c.Filter != "" {
 		filter = regexp.MustCompile("(?i)" + c.Filter)
 	}
 
 	t := table.NewWriter()
-	t.AppendHeader(table.Row{"Id", "Name", "Images", "Url"})
+	t.AppendHeader(table.Row{"Id", "Name", "Images", "Total Images", "Url"})
 	for _, category := range categories {
-		if filter.MatchString(category.Name) {
+		if filter != nil && !filter.MatchString(category.Name) {
+			continue
+		}
+		if c.Empty && category.TotalImagesCount != 0 {
+			continue
+		}
 		t.AppendRow(table.Row{
 			category.Id,
 			category.Name,
 			category.ImagesCount,
+			category.TotalImagesCount,
 			category.Url,
 		})
 	}
-	}
 
 	t.SetOutputMirror(os.Stdout)
 	t.SetStyle(table.StyleLight)

internal/piwigo/piwigotools/categories.go

@@ -6,6 +6,7 @@ type Category struct {
 	Id               int    `json:"id"`
 	Name             string `json:"name"`
 	ImagesCount      int    `json:"nb_images"`
+	TotalImagesCount int    `json:"total_nb_images"`
 	Url              string `json:"url"`
 }