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user.go
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user.go
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package postgres
import (
"crypto/md5"
"time"
"database/sql"
"fmt"
"github.com/getfider/fider/app"
"github.com/getfider/fider/app/models"
"github.com/getfider/fider/app/pkg/dbx"
)
type dbUser struct {
ID sql.NullInt64 `db:"id"`
Name sql.NullString `db:"name"`
Email sql.NullString `db:"email"`
Tenant *dbTenant `db:"tenant"`
Role sql.NullInt64 `db:"role"`
Providers []*dbUserProvider
}
type dbUserProvider struct {
Name sql.NullString `db:"provider"`
UID sql.NullString `db:"provider_uid"`
}
func (u *dbUser) toModel() *models.User {
user := &models.User{
ID: int(u.ID.Int64),
Name: u.Name.String,
Email: u.Email.String,
Gravatar: fmt.Sprintf("%x", md5.Sum([]byte(u.Email.String))),
Tenant: u.Tenant.toModel(),
Role: int(u.Role.Int64),
Providers: make([]*models.UserProvider, len(u.Providers)),
}
for i, p := range u.Providers {
user.Providers[i] = &models.UserProvider{
Name: p.Name.String,
UID: p.UID.String,
}
}
return user
}
// UserStorage is used for user operations using a Postgres database
type UserStorage struct {
trx *dbx.Trx
}
// NewUserStorage creates a new UserStorage
func NewUserStorage(trx *dbx.Trx) *UserStorage {
return &UserStorage{trx: trx}
}
// GetByID returns a user based on given id
func (s *UserStorage) GetByID(userID int) (*models.User, error) {
return getUser(s.trx, "id = $1", userID)
}
// GetByEmail returns a user based on given email
func (s *UserStorage) GetByEmail(tenantID int, email string) (*models.User, error) {
return getUser(s.trx, "email = $1 AND tenant_id = $2", email, tenantID)
}
// GetByProvider returns a user based on provider details
func (s *UserStorage) GetByProvider(tenantID int, provider string, uid string) (*models.User, error) {
var userID int
query := "SELECT user_id FROM user_providers up INNER JOIN users u ON u.id = up.user_id WHERE up.provider = $1 AND up.provider_uid = $2 AND u.tenant_id = $3"
if err := s.trx.Scalar(&userID, query, provider, uid, tenantID); err != nil {
if err == sql.ErrNoRows {
return nil, app.ErrNotFound
} else if err != nil {
return nil, err
}
}
return s.GetByID(userID)
}
// Register creates a new user based on given information
func (s *UserStorage) Register(user *models.User) error {
now := time.Now()
if err := s.trx.QueryRow("INSERT INTO users (name, email, created_on, tenant_id, role) VALUES ($1, $2, $3, $4, $5) RETURNING id", user.Name, user.Email, now, user.Tenant.ID, user.Role).Scan(&user.ID); err != nil {
return err
}
for _, provider := range user.Providers {
if err := s.trx.Execute("INSERT INTO user_providers (user_id, provider, provider_uid, created_on) VALUES ($1, $2, $3, $4)", user.ID, provider.Name, provider.UID, now); err != nil {
return err
}
}
return nil
}
// RegisterProvider adds given provider to userID
func (s *UserStorage) RegisterProvider(userID int, provider *models.UserProvider) error {
cmd := "INSERT INTO user_providers (user_id, provider, provider_uid, created_on) VALUES ($1, $2, $3, $4)"
return s.trx.Execute(cmd, userID, provider.Name, provider.UID, time.Now())
}
// Update user settings
func (s *UserStorage) Update(userID int, settings *models.UpdateUserSettings) error {
cmd := "UPDATE users SET name = $2 WHERE id = $1"
return s.trx.Execute(cmd, userID, settings.Name)
}
// GetByID returns a user based on given id
func getUser(trx *dbx.Trx, filter string, args ...interface{}) (*models.User, error) {
user := dbUser{}
err := trx.Get(&user, "SELECT id, name, email, tenant_id, role FROM users WHERE "+filter, args...)
if err == sql.ErrNoRows {
return nil, app.ErrNotFound
} else if err != nil {
return nil, err
}
err = trx.Select(&user.Providers, "SELECT provider_uid, provider FROM user_providers WHERE user_id = $1", user.ID.Int64)
if err != nil {
return nil, err
}
return user.toModel(), nil
}