/
utililty.go
128 lines (100 loc) · 2.11 KB
/
utililty.go
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package utils
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"os"
"github.com/gorilla/mux"
)
func ReadAndUnmarshal(object interface{}, dir string, fileName string) error {
path := dir + string(os.PathSeparator) + fileName
bytes, err := ReadFile(path)
if err != nil {
return err
}
err = json.Unmarshal(bytes, object)
if err != nil {
return err
}
return nil
}
func MarshalAndRecord(object interface{}, dir string, fileName string) error {
MkDir(dir)
path := dir + string(os.PathSeparator) + fileName
bytes, err := json.MarshalIndent(object, "", " ")
if err != nil {
return err
}
return WriteFile(path, bytes)
}
func WriteResponse(w http.ResponseWriter, code int, object interface{}) {
data, err := json.Marshal(object)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
w.WriteHeader(code)
fmt.Fprintf(w, string(data))
}
func ProvisionDataFromRequest(r *http.Request, object interface{}) error {
body, err := ioutil.ReadAll(r.Body)
if err != nil {
return err
}
err = json.Unmarshal(body, object)
if err != nil {
return err
}
return nil
}
func ExtractVarsFromRequest(r *http.Request, varName string) string {
return mux.Vars(r)[varName]
}
func ReadFile(path string) (content []byte, err error) {
file, err := os.Open(path)
if err != nil {
return
}
defer file.Close()
bytes, err := ioutil.ReadAll(file)
if err != nil {
return
}
content = bytes
return
}
func WriteFile(path string, content []byte) error {
err := ioutil.WriteFile(path, content, 0700)
if err != nil {
return err
}
return nil
}
func GetPath(paths []string) string {
workDirectory, _ := os.Getwd()
if len(paths) == 0 {
return workDirectory
}
resultPath := workDirectory
for _, path := range paths {
resultPath += string(os.PathSeparator)
resultPath += path
}
return resultPath
}
func Exists(path string) bool {
if _, err := os.Stat(path); os.IsNotExist(err) {
return false
}
return true
}
func MkDir(path string) bool {
if _, err := os.Stat(path); os.IsNotExist(err) {
err = os.MkdirAll(path, 0700)
if err != nil {
return false
}
}
return true
}