32 lines
574 B
Go
32 lines
574 B
Go
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/json"
|
||
|
|
"fmt"
|
||
|
|
"io"
|
||
|
|
)
|
||
|
|
|
||
|
|
// UserList stores a collection of users.
|
||
|
|
type UserList []User
|
||
|
|
|
||
|
|
// Find tries to return username from UserList
|
||
|
|
func (ul UserList) Find(username string) *User {
|
||
|
|
for i, u := range ul {
|
||
|
|
if u.Username == username {
|
||
|
|
return &ul[i]
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// NewUserList creates a UserList from JSON
|
||
|
|
func NewUserList(rdr io.Reader) (UserList, error) {
|
||
|
|
var userList []User
|
||
|
|
err := json.NewDecoder(rdr).Decode(&userList)
|
||
|
|
|
||
|
|
if err != nil {
|
||
|
|
err = fmt.Errorf("problem parsing userlist, %v", err)
|
||
|
|
}
|
||
|
|
return userList, err
|
||
|
|
}
|