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feat(api): add PATCH /users/@me, remove PATCH /users/@me/fields

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This commit is contained in:
Sam 2022-06-16 14:54:15 +02:00
parent f4a6296d13
commit 57c7a0f4de
6 changed files with 188 additions and 67 deletions
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2
backend/db/db.go
View file

@ -14,6 +14,8 @@ import (
var sq = squirrel.StatementBuilder.PlaceholderFormat(squirrel.Dollar)
const ErrNothingToUpdate = errors.Sentinel("nothing to update")
type DB struct {
*pgxpool.Pool

13
backend/db/field.go
View file

@ -91,13 +91,7 @@ func (db *DB) UserFields(ctx context.Context, id xid.ID) (fs []Field, err error)
}
// SetUserFields updates the fields for the given user.
func (db *DB) SetUserFields(ctx context.Context, userID xid.ID, fields []Field) (err error) {
tx, err := db.Begin(ctx)
if err != nil {
return errors.Wrap(err, "building sql")
}
defer tx.Rollback(ctx)
func (db *DB) SetUserFields(ctx context.Context, tx pgx.Tx, userID xid.ID, fields []Field) (err error) {
sql, args, err := sq.Delete("user_fields").Where("user_id = ?", userID).ToSql()
if err != nil {
return errors.Wrap(err, "building sql")
@ -124,10 +118,5 @@ func (db *DB) SetUserFields(ctx context.Context, userID xid.ID, fields []Field)
if err != nil {
return errors.Wrap(err, "inserting new fields")
}
err = tx.Commit(ctx)
if err != nil {
return errors.Wrap(err, "committing transaction")
}
return nil
}

54
backend/db/user.go
View file

@ -38,6 +38,14 @@ const (
ErrUsernameTooLong = errors.Sentinel("username is too long")
)
const (
MaxUsernameLength = 40
MaxDisplayNameLength = 100
MaxUserBioLength = 1000
MaxUserLinksLength = 25
MaxLinkLength = 256
)
// CreateUser creates a user with the given username.
func (db *DB) CreateUser(ctx context.Context, username string) (u User, err error) {
// check if the username is valid
@ -146,3 +154,49 @@ func (db *DB) UsernameTaken(ctx context.Context, username string) (valid, taken
err = db.QueryRow(ctx, "select exists (select id from users where username = $1)", username).Scan(&taken)
return true, taken, err
}
func (db *DB) UpdateUser(
ctx context.Context,
tx pgx.Tx, id xid.ID,
displayName, bio *string,
links *[]string,
) (u User, err error) {
if displayName == nil && bio == nil && links == nil {
return u, ErrNothingToUpdate
}
builder := sq.Update("users").Where("id = ?", id)
if displayName != nil {
if *displayName == "" {
builder = builder.Set("display_name", nil)
} else {
builder = builder.Set("display_name", *displayName)
}
}
if bio != nil {
if *bio == "" {
builder = builder.Set("bio", nil)
} else {
builder = builder.Set("bio", *bio)
}
}
if links != nil {
if len(*links) == 0 {
builder = builder.Set("links", nil)
} else {
builder = builder.Set("links", *links)
}
}
sql, args, err := builder.Suffix("RETURNING *").ToSql()
if err != nil {
return u, errors.Wrap(err, "building sql")
}
err = pgxscan.Get(ctx, tx, &u, sql, args...)
if err != nil {
return u, errors.Wrap(err, "executing sql")
}
return u, nil
}

54
backend/routes/user/fields.go
View file

@ -1,54 +0,0 @@
package user
import (
"fmt"
"net/http"
"codeberg.org/u1f320/pronouns.cc/backend/db"
"codeberg.org/u1f320/pronouns.cc/backend/log"
"codeberg.org/u1f320/pronouns.cc/backend/server"
"github.com/go-chi/render"
)
type PatchFieldsRequest struct {
Fields []db.Field `json:"fields"`
}
func (s *Server) patchUserFields(w http.ResponseWriter, r *http.Request) error {
ctx := r.Context()
claims, _ := server.ClaimsFromContext(ctx)
var req PatchFieldsRequest
err := render.Decode(r, &req)
if err != nil {
return server.APIError{Code: server.ErrBadRequest}
}
// max 25 fields
if len(req.Fields) > db.MaxFields {
return server.APIError{
Code: server.ErrBadRequest,
Details: fmt.Sprintf("Too many fields (max %d, current %d)", db.MaxFields, len(req.Fields)),
}
}
// validate all fields
for i, field := range req.Fields {
if s := field.Validate(); s != "" {
return server.APIError{
Code: server.ErrBadRequest,
Details: fmt.Sprintf("field %d: %s", i, s),
}
}
}
err = s.DB.SetUserFields(ctx, claims.UserID, req.Fields)
if err != nil {
log.Errorf("setting fields for user %v: %v", claims.UserID, err)
return err
}
// echo the fields back on success
render.JSON(w, r, req)
return nil
}

130
backend/routes/user/patch_user.go Normal file
View file

@ -0,0 +1,130 @@
package user
import (
"fmt"
"net/http"
"codeberg.org/u1f320/pronouns.cc/backend/db"
"codeberg.org/u1f320/pronouns.cc/backend/log"
"codeberg.org/u1f320/pronouns.cc/backend/server"
"emperror.dev/errors"
"github.com/go-chi/render"
)
type PatchUserRequest struct {
DisplayName *string `json:"display_name"`
Bio *string `json:"bio"`
Links *[]string `json:"links"`
Fields *[]db.Field `json:"fields"`
}
// patchUser parses a PatchUserRequest and updates the user with the given ID.
func (s *Server) patchUser(w http.ResponseWriter, r *http.Request) error {
ctx := r.Context()
claims, _ := server.ClaimsFromContext(ctx)
var req PatchUserRequest
err := render.Decode(r, &req)
if err != nil {
return server.APIError{Code: server.ErrBadRequest}
}
// validate that *something* is set
if req.DisplayName == nil && req.Bio == nil && req.Links == nil && req.Fields == nil {
return server.APIError{
Code: server.ErrBadRequest,
Details: "Data must not be empty",
}
}
// validate display name/bio
if req.DisplayName != nil && len(*req.DisplayName) > db.MaxDisplayNameLength {
return server.APIError{
Code: server.ErrBadRequest,
Details: fmt.Sprintf("Display name too long (max %d, current %d)", db.MaxDisplayNameLength, len(*req.DisplayName)),
}
}
if req.Bio != nil && len(*req.Bio) > db.MaxUserBioLength {
return server.APIError{
Code: server.ErrBadRequest,
Details: fmt.Sprintf("Bio too long (max %d, current %d)", db.MaxUserBioLength, len(*req.Bio)),
}
}
// validate links
if req.Links != nil {
if len(*req.Links) > db.MaxUserLinksLength {
return server.APIError{
Code: server.ErrBadRequest,
Details: fmt.Sprintf("Too many links (max %d, current %d)", db.MaxUserLinksLength, len(*req.Links)),
}
}
for i, link := range *req.Links {
if len(link) > db.MaxLinkLength {
return server.APIError{
Code: server.ErrBadRequest,
Details: fmt.Sprintf("Link %d too long (max %d, current %d)", i, db.MaxLinkLength, len(link)),
}
}
}
}
// max 25 fields
if len(*req.Fields) > db.MaxFields {
return server.APIError{
Code: server.ErrBadRequest,
Details: fmt.Sprintf("Too many fields (max %d, current %d)", db.MaxFields, len(*req.Fields)),
}
}
// validate all fields
for i, field := range *req.Fields {
if s := field.Validate(); s != "" {
return server.APIError{
Code: server.ErrBadRequest,
Details: fmt.Sprintf("field %d: %s", i, s),
}
}
}
// start transaction
tx, err := s.DB.Begin(ctx)
if err != nil {
log.Errorf("creating transaction: %v", err)
return err
}
defer tx.Rollback(ctx)
u, err := s.DB.UpdateUser(ctx, tx, claims.UserID, req.DisplayName, req.Bio, req.Links)
if err != nil && errors.Cause(err) != db.ErrNothingToUpdate {
log.Errorf("updating user: %v", err)
return err
}
var fields []db.Field
if req.Fields != nil {
err = s.DB.SetUserFields(ctx, tx, claims.UserID, *req.Fields)
if err != nil {
log.Errorf("setting fields for user %v: %v", claims.UserID, err)
return err
}
} else {
fields, err = s.DB.UserFields(ctx, claims.UserID)
if err != nil {
log.Errorf("getting fields for user %v: %v", claims.UserID, err)
return err
}
}
err = tx.Commit(ctx)
if err != nil {
log.Errorf("committing transaction: %v", err)
return err
}
// echo the updated user back on success
render.JSON(w, r, dbUserToResponse(u, fields))
return nil
}

2
backend/routes/user/routes.go
View file

@ -17,7 +17,7 @@ func Mount(srv *server.Server, r chi.Router) {
r.With(server.MustAuth).Group(func(r chi.Router) {
r.Get("/@me", server.WrapHandler(s.getMeUser))
r.Patch("/@me/fields", server.WrapHandler(s.patchUserFields))
r.Patch("/@me", server.WrapHandler(s.patchUser))
})
})
}