ajout app

Voltaserve/conversion/helper/base64.go

@@ -0,0 +1,24 @@
+package helper
+
+import (
+	"encoding/base64"
+	"net/http"
+	"os"
+)
+
+func ImageToBase64(path string) (string, error) {
+	bytes, err := os.ReadFile(path)
+	if err != nil {
+		return "", nil
+	}
+	var res string
+	mimeType := http.DetectContentType(bytes)
+	switch mimeType {
+	case "image/jpeg":
+		res += "data:image/jpeg;base64,"
+	case "image/png":
+		res += "data:image/png;base64,"
+	}
+	res += base64.StdEncoding.EncodeToString(bytes)
+	return res, nil
+}

Voltaserve/conversion/helper/id.go

@@ -0,0 +1,22 @@
+package helper
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/speps/go-hashids/v2"
+)
+
+func NewID() string {
+	hd := hashids.NewData()
+	hd.Salt = uuid.NewString()
+	h, err := hashids.NewWithData(hd)
+	if err != nil {
+		panic(err)
+	}
+	id, err := h.EncodeInt64([]int64{time.Now().UTC().UnixNano()})
+	if err != nil {
+		panic(err)
+	}
+	return id
+}

Voltaserve/conversion/helper/mime.go

@@ -0,0 +1,11 @@
+package helper
+
+import "github.com/gabriel-vasile/mimetype"
+
+func DetectMimeFromFile(path string) string {
+	mime, err := mimetype.DetectFile(path)
+	if err != nil {
+		return "application/octet-stream"
+	}
+	return mime.String()
+}

Voltaserve/conversion/helper/string.go

@@ -0,0 +1,14 @@
+package helper
+
+import (
+	"regexp"
+	"strings"
+)
+
+func RemoveNonNumeric(s string) string {
+	reg, err := regexp.Compile("[^0-9]+")
+	if err != nil {
+		return ""
+	}
+	return strings.TrimSpace(reg.ReplaceAllString(s, ""))
+}