use mapmap.Slicer to filter index templates ls and index ls (#96)

pkg/es/index_template.go

@@ -28,6 +28,7 @@ import (
 
 	"codeberg.org/scip/esctl/pkg/cfg"
 	"codeberg.org/scip/esctl/pkg/printer"
+	"codeberg.org/scip/mapmap"
 	"github.com/elastic/go-elasticsearch/v9/typedapi/esdsl"
 	"github.com/elastic/go-elasticsearch/v9/typedapi/types"
 )
@@ -61,31 +62,9 @@ func IndexTemplateList(conf *cfg.Config, filter string) error {
 	table := printer.NewTable(conf, 5, 0)
 	table.Addheaders("name", "description", "index patterns", "priority")
 
-	for _, tpl := range res.IndexTemplates {
-		if !conf.Hidden && strings.HasPrefix(tpl.Name, ".") {
-			continue
-		}
-
-		if filter != "" && !strings.Contains(tpl.Name, filter) {
-			continue
-		}
-
-		if len(conf.Filter) > 0 {
-			skip := true
-
-			for _, filter := range conf.Filter {
-				for _, pattern := range tpl.IndexTemplate.IndexPatterns {
-					if strings.Contains(pattern, filter) {
-						skip = false
-					}
-				}
-			}
-
-			if skip {
-				continue
-			}
-		}
+	tplList := filterIndexTemplates(conf, filter, res.IndexTemplates)
 
+	for _, tpl := range tplList {
 		desc := strings.TrimPrefix(strings.TrimSuffix(string(tpl.IndexTemplate.Meta_["description"]), `"`), `"`)
 
 		var prio int64
@@ -101,6 +80,32 @@ func IndexTemplateList(conf *cfg.Config, filter string) error {
 	return table.Print()
 }
 
+// Filter index templates by name, index pattern or hidden flag, using
+// mapmap.Slicer
+func filterIndexTemplates(conf *cfg.Config, nameFilter string,
+	templates []types.IndexTemplateItem) []types.IndexTemplateItem {
+	return mapmap.NewSlicer(templates).MapSliceValuesImmutable(func(tpl types.IndexTemplateItem) bool {
+		if !conf.Hidden && strings.HasPrefix(tpl.Name, ".") {
+			return false
+		}
+
+		if nameFilter != "" && !strings.Contains(tpl.Name, nameFilter) {
+			return false
+		}
+
+		if len(conf.Filter) > 0 {
+			if !mapmap.NewSlicer(tpl.IndexTemplate.IndexPatterns).
+				FindSliceInSlice(conf.Filter, func(val, find string) bool {
+					return strings.Contains(val, find)
+				}) {
+				return false
+			}
+		}
+
+		return true
+	})
+}
+
 func IndexTemplateShow(conf *cfg.Config, tplname string) error {
 	res, err := conf.DefaultCluster.ES().Indices.GetIndexTemplate().
 		Name(tplname).