TRA-3234 Fetch command (#54)

* preparation to fetch command

* get har as zip from server

* no message

* no message

api/pkg/utils/utils.go

@@ -1,6 +1,7 @@
 package utils
 
 import (
+	"encoding/json"
 	"fmt"
 	"github.com/gofiber/fiber/v2"
 	"log"
@@ -43,7 +44,6 @@ func ReverseSlice(data interface{}) {
 	}
 }
 
-
 func CheckErr(e error) {
 	if e != nil {
 		log.Printf("%v", e)
@@ -51,7 +51,6 @@ func CheckErr(e error) {
 	}
 }
 
-
 func SetHostname(address, newHostname string) string {
 	replacedUrl, err := url.Parse(address)
 	if err != nil{
@@ -81,3 +80,8 @@ func GetResolvedBaseEntry(entry models.MizuEntry) models.BaseEntryDetails {
 		RequestSenderIp: entry.RequestSenderIp,
 	}
 }
+
+func GetBytesFromStruct(v interface{}) []byte{
+	a, _ := json.Marshal(v)
+	return a
+}

api/pkg/utils/zip.go

@@ -0,0 +1,20 @@
+package utils
+
+import (
+	"archive/zip"
+	"bytes"
+)
+
+func ZipData(files map[string][]byte) *bytes.Buffer {
+	// Create a buffer to write our archive to.
+	buf := new(bytes.Buffer)
+	// Create a new zip archive.
+	zipWriter := zip.NewWriter(buf)
+	defer func() { _ = zipWriter.Close() }()
+
+	for fileName, fileBytes := range files {
+		zipFile, _ := zipWriter.Create(fileName)
+		_, _ = zipFile.Write(fileBytes)
+	}
+	return buf
+}