basic.go (4-90)
- import statements @4
- Config @10 [public] # Config holds application configuration
   type Config struct {
    …
- Logger @16 [public] # Logger is an interface for logging operations
   type Logger interface {
   	Log(message string) error
   	LogError(err error)
- DatabaseManager @22 [public] # DatabaseManager manages database connections and queries
   type DatabaseManager struct {
    …
- NewDatabaseManager (connStr string) *DatabaseManager @28 [public] # NewDatabaseManager creates a new DatabaseManager instance
   func NewDatabaseManager(connStr string) *DatabaseManager {
     …
     …
- Connect (db *DatabaseManager) () error @36 [public] # Connect establishes database connection
   func (db *DatabaseManager) Connect() error {
   	fmt.Println("Connecting to database")
   	db.connected = true
   	return nil
- Disconnect (db *DatabaseManager) () @43 [public] # Disconnect closes database connection
   func (db *DatabaseManager) Disconnect() {
   	if db.connected {
     …
- Query (db *DatabaseManager) (sql string) ([]map[string]interface{}, error) @51 [public] # Query executes a SQL query and returns results
   func (db *DatabaseManager) Query(sql string) ([]map[string]interface{}, error) {
   	return nil, nil
- UserService @56 [public] # UserService handles user-related operations
   type UserService struct {
    …
- CreateUser (s *UserService) (username, email string) (int, error) @61 [public] # CreateUser creates a new user in the database
   func (s *UserService) CreateUser(username, email string) (int, error) {
   	return 1, nil
- GetUser (s *UserService) (userID int) (map[string]interface{}, error) @66 [public] # GetUser retrieves user by ID
   func (s *UserService) GetUser(userID int) (map[string]interface{}, error) {
   	return nil, nil
- DeleteUser (s *UserService) (userID int) error @71 [public] # DeleteUser deletes a user by ID
   func (s *UserService) DeleteUser(userID int) error {
   	return nil
- ValidateEmail (email string) bool @76 [public] # ValidateEmail validates email format
   func ValidateEmail(email string) bool {
   	return len(email) > 0 && email[0] != '@'
- FormatTimestamp (t time.Time) string @81 [public] # FormatTimestamp formats a timestamp to string
   func FormatTimestamp(t time.Time) string {
   	return t.Format("2006-01-02 15:04:05")
- main () @86 # main is the entry point
   func main() {
   	db := NewDatabaseManager("postgresql://localhost/mydb")
   	db.Connect()
   	fmt.Println("Application started")
