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package hotline
import (
"fmt"
"github.com/stretchr/testify/mock"
"gopkg.in/yaml.v3"
"os"
"path"
"path/filepath"
"sync"
)
type AccountManager interface {
Create(account Account) error
Update(account Account, newLogin string) error
Get(login string) *Account
List() []Account
Delete(login string) error
}
type YAMLAccountManager struct {
accounts map[string]Account
accountDir string
mu sync.Mutex
}
func NewYAMLAccountManager(accountDir string) (*YAMLAccountManager, error) {
accountMgr := YAMLAccountManager{
accountDir: accountDir,
accounts: make(map[string]Account),
}
matches, err := filepath.Glob(filepath.Join(accountDir, "*.yaml"))
if err != nil {
return nil, err
}
if len(matches) == 0 {
return nil, fmt.Errorf("no accounts found in directory: %s", accountDir)
}
for _, file := range matches {
var account Account
if err = loadFromYAMLFile(file, &account); err != nil {
return nil, fmt.Errorf("error loading account %s: %w", file, err)
}
accountMgr.accounts[account.Login] = account
}
return &accountMgr, nil
}
func (am *YAMLAccountManager) Create(account Account) error {
am.mu.Lock()
defer am.mu.Unlock()
// Create account file, returning an error if one already exists.
file, err := os.OpenFile(
filepath.Join(am.accountDir, path.Join("/", account.Login+".yaml")),
os.O_CREATE|os.O_EXCL|os.O_WRONLY, 0644,
)
if err != nil {
return fmt.Errorf("error creating account file: %w", err)
}
defer file.Close()
b, err := yaml.Marshal(account)
if err != nil {
return fmt.Errorf("marshal account to YAML: %v", err)
}
_, err = file.Write(b)
if err != nil {
return fmt.Errorf("write account file: %w", err)
}
am.accounts[account.Login] = account
return nil
}
func (am *YAMLAccountManager) Update(account Account, newLogin string) error {
am.mu.Lock()
defer am.mu.Unlock()
// If the login has changed, rename the account file.
if account.Login != newLogin {
err := os.Rename(
filepath.Join(am.accountDir, path.Join("/", account.Login)+".yaml"),
filepath.Join(am.accountDir, path.Join("/", newLogin)+".yaml"),
)
if err != nil {
return fmt.Errorf("error renaming account file: %w", err)
}
account.Login = newLogin
am.accounts[newLogin] = account
delete(am.accounts, account.Login)
}
out, err := yaml.Marshal(&account)
if err != nil {
return err
}
if err := os.WriteFile(filepath.Join(am.accountDir, newLogin+".yaml"), out, 0644); err != nil {
return fmt.Errorf("error writing account file: %w", err)
}
am.accounts[account.Login] = account
return nil
}
func (am *YAMLAccountManager) Get(login string) *Account {
am.mu.Lock()
defer am.mu.Unlock()
account, ok := am.accounts[login]
if !ok {
return nil
}
return &account
}
func (am *YAMLAccountManager) List() []Account {
am.mu.Lock()
defer am.mu.Unlock()
var accounts []Account
for _, account := range am.accounts {
accounts = append(accounts, account)
}
return accounts
}
func (am *YAMLAccountManager) Delete(login string) error {
am.mu.Lock()
defer am.mu.Unlock()
err := os.Remove(filepath.Join(am.accountDir, path.Join("/", login+".yaml")))
if err != nil {
return fmt.Errorf("delete account file: %v", err)
}
delete(am.accounts, login)
return nil
}
type MockAccountManager struct {
mock.Mock
}
func (m *MockAccountManager) Create(account Account) error {
args := m.Called(account)
return args.Error(0)
}
func (m *MockAccountManager) Update(account Account, newLogin string) error {
args := m.Called(account, newLogin)
return args.Error(0)
}
func (m *MockAccountManager) Get(login string) *Account {
args := m.Called(login)
return args.Get(0).(*Account)
}
func (m *MockAccountManager) List() []Account {
args := m.Called()
return args.Get(0).([]Account)
}
func (m *MockAccountManager) Delete(login string) error {
args := m.Called(login)
return args.Error(0)
}
|
