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feat(backend): allow changing username in PATCH /users/@me

This commit is contained in:
Sam 2022-12-23 01:31:43 +01:00
parent cd7689d0f5
commit c7f486ca21
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GPG Key ID: B4EF20DDE721CAA1
3 changed files with 67 additions and 9 deletions
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11
backend/db/member.go
View File

@ -30,13 +30,13 @@ const (
ErrMemberNameInUse = errors.Sentinel("member name already in use")
)
func (db *DB) Member(ctx context.Context, id xid.ID) (m Member, err error) {
func (db *DB) getMember(ctx context.Context, q pgxscan.Querier, id xid.ID) (m Member, err error) {
sql, args, err := sq.Select("*").From("members").Where("id = ?", id).ToSql()
if err != nil {
return m, errors.Wrap(err, "building sql")
}
err = pgxscan.Get(ctx, db, &m, sql, args...)
err = pgxscan.Get(ctx, q, &m, sql, args...)
if err != nil {
if errors.Cause(err) == pgx.ErrNoRows {
return m, ErrMemberNotFound
@ -47,6 +47,10 @@ func (db *DB) Member(ctx context.Context, id xid.ID) (m Member, err error) {
return m, nil
}
func (db *DB) Member(ctx context.Context, id xid.ID) (m Member, err error) {
return db.getMember(ctx, db, id)
}
// UserMember returns a member scoped by user.
func (db *DB) UserMember(ctx context.Context, userID xid.ID, memberRef string) (m Member, err error) {
sql, args, err := sq.Select("*").From("members").
@ -98,6 +102,7 @@ func (db *DB) CreateMember(ctx context.Context, tx pgx.Tx, userID xid.ID, name s
if err != nil {
pge := &pgconn.PgError{}
if errors.As(err, &pge) {
// unique constraint violation
if pge.Code == "23505" {
return m, ErrMemberNameInUse
}
@ -146,7 +151,7 @@ func (db *DB) UpdateMember(
avatarURLs []string,
) (m Member, err error) {
if name == nil && displayName == nil && bio == nil && links == nil && avatarURLs == nil {
return m, ErrNothingToUpdate
return db.getMember(ctx, tx, id)
}
builder := sq.Update("members").Where("id = ?", id)

38
backend/db/user.go
View File

@ -113,9 +113,8 @@ func (u *User) UpdateFromDiscord(ctx context.Context, db pgxscan.Querier, du *di
return pgxscan.Get(ctx, db, u, sql, args...)
}
// User gets a user by ID.
func (db *DB) User(ctx context.Context, id xid.ID) (u User, err error) {
err = pgxscan.Get(ctx, db, &u, "select * from users where id = $1", id)
func (db *DB) getUser(ctx context.Context, q pgxscan.Querier, id xid.ID) (u User, err error) {
err = pgxscan.Get(ctx, q, &u, "select * from users where id = $1", id)
if err != nil {
if errors.Cause(err) == pgx.ErrNoRows {
return u, ErrUserNotFound
@ -127,6 +126,11 @@ func (db *DB) User(ctx context.Context, id xid.ID) (u User, err error) {
return u, nil
}
// User gets a user by ID.
func (db *DB) User(ctx context.Context, id xid.ID) (u User, err error) {
return db.getUser(ctx, db, id)
}
// Username gets a user by username.
func (db *DB) Username(ctx context.Context, name string) (u User, err error) {
err = pgxscan.Get(ctx, db, &u, "select * from users where username = $1", name)
@ -151,6 +155,32 @@ func (db *DB) UsernameTaken(ctx context.Context, username string) (valid, taken
return true, taken, err
}
// UpdateUsername validates the given username, then updates the given user's name to it if valid.
func (db *DB) UpdateUsername(ctx context.Context, tx pgx.Tx, id xid.ID, newName string) error {
if !usernameRegex.MatchString(newName) {
return ErrInvalidUsername
}
sql, args, err := sq.Update("users").Set("username", newName).Where("id = ?", id).ToSql()
if err != nil {
return errors.Wrap(err, "building sql")
}
_, err = db.Exec(ctx, sql, args...)
if err != nil {
pge := &pgconn.PgError{}
if errors.As(err, &pge) {
// unique constraint violation
if pge.Code == "23505" {
return ErrUsernameTaken
}
}
return errors.Wrap(err, "executing query")
}
return nil
}
func (db *DB) UpdateUser(
ctx context.Context,
tx pgx.Tx, id xid.ID,
@ -159,7 +189,7 @@ func (db *DB) UpdateUser(
avatarURLs []string,
) (u User, err error) {
if displayName == nil && bio == nil && links == nil && avatarURLs == nil {
return u, ErrNothingToUpdate
return db.getUser(ctx, tx, id)
}
builder := sq.Update("users").Where("id = ?", id)

27
backend/routes/user/patch_user.go
View File

@ -12,6 +12,7 @@ import (
)
type PatchUserRequest struct {
Username *string `json:"username"`
DisplayName *string `json:"display_name"`
Bio *string `json:"bio"`
Links *[]string `json:"links"`
@ -34,8 +35,15 @@ func (s *Server) patchUser(w http.ResponseWriter, r *http.Request) error {
return server.APIError{Code: server.ErrBadRequest}
}
// get existing user, for comparison later
u, err := s.DB.User(ctx, claims.UserID)
if err != nil {
return errors.Wrap(err, "getting existing user")
}
// validate that *something* is set
if req.DisplayName == nil &&
if req.Username == nil &&
req.DisplayName == nil &&
req.Bio == nil &&
req.Links == nil &&
req.Fields == nil &&
@ -130,7 +138,22 @@ func (s *Server) patchUser(w http.ResponseWriter, r *http.Request) error {
}
defer tx.Rollback(ctx)
u, err := s.DB.UpdateUser(ctx, tx, claims.UserID, req.DisplayName, req.Bio, req.Links, avatarURLs)
// update username
if req.Username != nil && *req.Username != u.Username {
err = s.DB.UpdateUsername(ctx, tx, claims.UserID, *req.Username)
if err != nil {
switch err {
case db.ErrUsernameTaken:
return server.APIError{Code: server.ErrUsernameTaken}
case db.ErrInvalidUsername:
return server.APIError{Code: server.ErrInvalidUsername}
default:
return errors.Wrap(err, "updating username")
}
}
}
u, err = s.DB.UpdateUser(ctx, tx, claims.UserID, req.DisplayName, req.Bio, req.Links, avatarURLs)
if err != nil && errors.Cause(err) != db.ErrNothingToUpdate {
log.Errorf("updating user: %v", err)
return err