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users.go
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users.go
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package controllers
import (
"context"
"fmt"
"github.com/google/uuid"
"github.com/nats-io/jwt"
"github.com/nats-io/nkeys"
"github.com/zeiss/typhoon/internal/api/models"
"github.com/zeiss/typhoon/internal/api/ports"
)
// CreateUserCommand ...
type CreateUserCommand struct {
AccountID uuid.UUID `json:"account_id"`
Name string `json:"name"`
Description string `json:"description"`
}
// DeleteUserCommand ...
type DeleteUserCommand struct {
UserID uuid.UUID `json:"user_id"`
}
// GetUserCredentialsQuery ...
type GetUserCredentialsQuery struct {
UserID uuid.UUID `json:"user_id"`
}
// GetUserQuery ...
type GetUserQuery struct {
UserID uuid.UUID `json:"user_id"`
}
// ListUsersQuery ...
type ListUsersQuery struct {
AccountID uuid.UUID `json:"account_id"`
}
var _ UsersController = (*UsersControllerImpl)(nil)
// UsersController is the interface that wraps the methods to access users.
type UsersController interface {
// CreateUser creates a new user.
CreateUser(ctx context.Context, cmd CreateUserCommand) (models.User, error)
// GetCredentials returns the credentials for a user.
GetCredentials(ctx context.Context, query GetUserCredentialsQuery) ([]byte, error)
// GetUser retrieves a user by its ID.
GetUser(ctx context.Context, query GetUserQuery) (models.User, error)
// ListUsers retrieves a list of users.
ListUsers(ctx context.Context, query ListUsersQuery) (models.Pagination[models.User], error)
// DeleteUser deletes a user by its ID.
DeleteUser(ctx context.Context, cmd DeleteUserCommand) error
}
type UsersControllerImpl struct {
db ports.Repositories
}
// NewUsersController ...
func NewUsersController(db ports.Repositories) *UsersControllerImpl {
return &UsersControllerImpl{db}
}
// CreateUser ...
func (c *UsersControllerImpl) CreateUser(ctx context.Context, cmd CreateUserCommand) (models.User, error) {
user := models.User{Name: cmd.Name, Description: cmd.Description}
account := models.Account{ID: cmd.AccountID}
err := c.db.GetAccount(ctx, &account)
if err != nil {
return user, err
}
user.Account = account
pk, err := nkeys.CreateUser()
if err != nil {
return user, err
}
id, err := pk.PublicKey()
if err != nil {
return user, err
}
seed, err := pk.Seed()
if err != nil {
return user, err
}
user.Key = models.NKey{ID: id, Seed: seed}
if len(account.SigningKeyGroups) < 1 {
return user, fmt.Errorf("account %s has no signing keys", account.ID)
}
ask, err := nkeys.FromSeed(account.SigningKeyGroups[0].Key.Seed)
if err != nil {
return user, err
}
askpk, err := ask.PublicKey()
if err != nil {
return user, err
}
// // Create a token for the user
u := jwt.NewUserClaims(id)
u.Name = cmd.Name
u.IssuerAccount = account.Key.ID
u.Issuer = askpk
token, err := u.Encode(ask)
if err != nil {
return user, err
}
user.Token = models.Token{ID: id, Token: token}
err = c.db.CreateUser(ctx, &user)
if err != nil {
return user, err
}
return user, nil
}
// GetUser ...
func (c *UsersControllerImpl) GetUser(ctx context.Context, query GetUserQuery) (models.User, error) {
user := models.User{ID: query.UserID}
err := c.db.GetUser(ctx, &user)
if err != nil {
return user, err
}
return user, nil
}
// GetCredentials ...
func (c *UsersControllerImpl) GetCredentials(ctx context.Context, query GetUserCredentialsQuery) ([]byte, error) {
user := models.User{ID: query.UserID}
err := c.db.GetUser(ctx, &user)
if err != nil {
return nil, err
}
return user.Credentials()
}
// ListUsers ...
func (c *UsersControllerImpl) ListUsers(ctx context.Context, query ListUsersQuery) (models.Pagination[models.User], error) {
results := models.Pagination[models.User]{}
results, err := c.db.ListUsers(ctx, results)
if err != nil {
return results, err
}
return results, nil
}
// DeleteUser ...
func (c *UsersControllerImpl) DeleteUser(ctx context.Context, cmd DeleteUserCommand) error {
user := models.User{ID: cmd.UserID}
err := c.db.DeleteUser(ctx, &user)
if err != nil {
return err
}
return nil
}