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user.go
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user.go
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package config
import (
"encoding/json"
"io/ioutil"
"path/filepath"
writeas "github.com/writeas/go-writeas/v2"
"github.com/writeas/writeas-cli/fileutils"
"gopkg.in/urfave/cli.v1"
)
func LoadUser(c *cli.Context) (*writeas.AuthUser, error) {
dir, err := userHostDir(c)
if err != nil {
return nil, err
}
DirMustExist(dir)
username, err := currentUser(c)
if err != nil {
return nil, err
}
if username == "user" {
username = ""
}
fname := filepath.Join(dir, username, "user.json")
userJSON, err := ioutil.ReadFile(fname)
if err != nil {
if !fileutils.Exists(fname) {
// Don't return a file-not-found error
return nil, nil
}
return nil, err
}
// Parse JSON file
u := &writeas.AuthUser{}
err = json.Unmarshal(userJSON, u)
if err != nil {
return nil, err
}
return u, nil
}
func DeleteUser(c *cli.Context) error {
dir, err := userHostDir(c)
if err != nil {
return err
}
username, err := currentUser(c)
if err != nil {
return err
}
if username == "user" {
username = ""
}
return fileutils.DeleteFile(filepath.Join(dir, username, "user.json"))
}
func SaveUser(c *cli.Context, u *writeas.AuthUser) error {
// Marshal struct into pretty-printed JSON
userJSON, err := json.MarshalIndent(u, "", " ")
if err != nil {
return err
}
dir, err := userHostDir(c)
if err != nil {
return err
}
// Save file
username, err := currentUser(c)
if err != nil {
return err
}
if username != "user" {
dir = filepath.Join(dir, u.User.Username)
}
DirMustExist(dir)
err = ioutil.WriteFile(filepath.Join(dir, "user.json"), userJSON, 0600)
if err != nil {
return err
}
return nil
}
// userHostDir returns the path to the user data directory with the host based
// subpath if the host flag is set
func userHostDir(c *cli.Context) (string, error) {
dataDir := UserDataDir(c.App.ExtraInfo()["configDir"])
hostDir, err := HostDirectory(c)
if err != nil {
return "", err
}
return filepath.Join(dataDir, hostDir), nil
}
func currentUser(c *cli.Context) (string, error) {
hostDir, err := userHostDir(c)
if err != nil {
return "", err
}
cfg, err := LoadConfig(hostDir)
if err != nil {
return "", err
}
if cfg.Default.User == "" {
cfg, err = LoadConfig(UserDataDir(c.App.ExtraInfo()["configDir"]))
if err != nil {
return "", err
}
}
if c.GlobalString("user") != "" {
return c.GlobalString("user"), nil
}
return cfg.Default.User, nil
}

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