add parsing sumpays

internal/category/default.go

@@ -0,0 +1,41 @@
+package category
+
+import (
+	"encoding/json"
+	"os"
+	"strings"
+
+	"gitea.home.4it.me/dilap54/platiparser/plati"
+)
+
+func FilterBySubstring(substring string, categories plati.Categories) plati.Categories {
+	out := make(plati.Categories, 0)
+	for _, c := range categories {
+		if len(c.Children) > 0 {
+			out = append(out, FilterBySubstring(substring, c.Children)...)
+			continue
+		}
+
+		if strings.Contains(c.FlatName, substring) {
+			out = append(out, c)
+		}
+	}
+
+	return out
+}
+
+func OpenCategories(fileName string) plati.CategoriesResponse {
+	f, err := os.OpenFile(fileName, os.O_RDONLY, 0400)
+	if err != nil {
+		panic(err)
+	}
+	defer f.Close()
+
+	out := plati.CategoriesResponse{}
+	if err := json.NewDecoder(f).Decode(&out); err != nil {
+		panic(err)
+	}
+	out.Content.FlatNames("")
+	out.Content.FixParentID(0)
+	return out
+}