feat: add utility functions for string manipulation, XML fetching, and directory handling

apps/backend/utils/utils.go

@@ -0,0 +1,133 @@
+package utils
+
+import (
+	"encoding/xml"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+	"reflect"
+	"strings"
+)
+
+func Ptr[T any](v T) *T { return &v }
+
+func MakeUppercase(s string) string {
+	if s != "" && reflect.TypeOf(s).Kind() == reflect.String && len(s) > 0 {
+		return strings.ToUpper(string(s[0])) + s[1:]
+	}
+	return ""
+}
+
+func CheckStringIfPresent(value *string) string {
+	if value != nil {
+		return strings.TrimSpace(*value)
+	}
+	return ""
+}
+
+func CheckStringIfPresentBool(value string) bool {
+	if value != "" {
+		return true
+	} else {
+		return false
+	}
+}
+
+func fetchXML(url string) ([]byte, error) {
+	resp, err := http.Get(url)
+	if err != nil {
+		return []byte{}, fmt.Errorf("GET error: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return []byte{}, fmt.Errorf("status error: %v", resp.StatusCode)
+	}
+
+	data, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return []byte{}, fmt.Errorf("read body: %v", err)
+	}
+
+	return data, nil
+}
+
+func GetDataXML[T any](url string) T {
+	xmlBytes, err := fetchXML(url)
+	if err != nil {
+		log.Fatalf("Failed to get XML: %v", err)
+		panic(err)
+	}
+	var result T
+	err = xml.Unmarshal(xmlBytes, &result)
+	if err != nil {
+		log.Fatalf("Failed to unmarshal XML: %v", err)
+		panic(err)
+	}
+	return result
+}
+
+func GetPathsArray(path string) ([]string, error) {
+	var paths []string
+
+	err := filepath.Walk(path, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if !info.IsDir() {
+			paths = append(paths, path)
+		}
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return paths, nil
+}
+
+func GetPathDirsArray(path string) []string {
+	var folderNames []string
+	files, err := os.ReadDir(path)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	for _, file := range files {
+		if file.IsDir() {
+			folderNames = append(folderNames, file.Name())
+		}
+	}
+	return folderNames
+}
+
+func GetStringValue(strPtr *string) string {
+	if strPtr != nil {
+		return *strPtr
+	}
+	return ""
+}
+func RemoveWhitespace(str string) string {
+	return strings.ReplaceAll(str, " ", "")
+}
+
+func CommaToDot(str *string) *string {
+	if str != nil {
+		result := strings.ReplaceAll(*str, ",", ".")
+		return &result
+	}
+	return nil
+}
+
+func Contains(s []string, str string) bool {
+	for _, v := range s {
+		if v == str {
+			return true
+		}
+	}
+	return false
+}