Pronoun card website and API https://pronouns.cc
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pronouns.cc/backend/routes/user/patch_user.go

236 lines
5.9 KiB

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"`
Names *[]db.Name `json:"names"`
Pronouns *[]db.Pronoun `json:"pronouns"`
Fields *[]db.Field `json:"fields"`
Avatar *string `json:"avatar"`
}
// patchUser parses a PatchUserRequest and updates the user with the given ID.
// TODO: could this be refactored to be less repetitive? names, pronouns, and fields are all validated in the same way
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 &&
req.Names == nil &&
req.Pronouns == nil &&
req.Avatar == 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)),
}
}
}
}
if err := validateSlicePtr("name", req.Names); err != nil {
return err
}
if err := validateSlicePtr("pronoun", req.Pronouns); err != nil {
return err
}
if err := validateSlicePtr("field", req.Fields); err != nil {
return err
}
// update avatar
var avatarURLs []string = nil
if req.Avatar != nil {
webp, jpg, err := s.DB.ConvertAvatar(*req.Avatar)
if err != nil {
if err == db.ErrInvalidDataURI {
return server.APIError{
Code: server.ErrBadRequest,
Details: "invalid avatar data URI",
}
} else if err == db.ErrInvalidContentType {
return server.APIError{
Code: server.ErrBadRequest,
Details: "invalid avatar content type",
}
}
log.Errorf("converting user avatar: %v", err)
return err
}
webpURL, jpgURL, err := s.DB.WriteUserAvatar(ctx, claims.UserID, webp, jpg)
if err != nil {
log.Errorf("uploading user avatar: %v", err)
return err
}
avatarURLs = []string{webpURL, jpgURL}
}
// 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, avatarURLs)
if err != nil && errors.Cause(err) != db.ErrNothingToUpdate {
log.Errorf("updating user: %v", err)
return err
}
var (
names []db.Name
pronouns []db.Pronoun
fields []db.Field
)
if req.Names != nil {
err = s.DB.SetUserNames(ctx, tx, claims.UserID, *req.Names)
if err != nil {
log.Errorf("setting names for user %v: %v", claims.UserID, err)
return err
}
names = *req.Names
} else {
names, err = s.DB.UserNames(ctx, claims.UserID)
if err != nil {
log.Errorf("getting names for user %v: %v", claims.UserID, err)
return err
}
}
if req.Pronouns != nil {
err = s.DB.SetUserPronouns(ctx, tx, claims.UserID, *req.Pronouns)
if err != nil {
log.Errorf("setting pronouns for user %v: %v", claims.UserID, err)
return err
}
pronouns = *req.Pronouns
} else {
pronouns, err = s.DB.UserPronouns(ctx, claims.UserID)
if err != nil {
log.Errorf("getting fields for user %v: %v", claims.UserID, err)
return err
}
}
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
}
fields = *req.Fields
} 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, names, pronouns, nil))
return nil
}
type validator interface {
Validate() string
}
// validateSlicePtr validates a slice of validators.
// If the slice is nil, a nil error is returned (assuming that the field is not required)
func validateSlicePtr[T validator](typ string, slice *[]T) *server.APIError {
if slice == nil {
return nil
}
max := db.MaxFields
if typ != "field" {
max = db.FieldEntriesLimit
}
// max 25 fields
if len(*slice) > max {
return &server.APIError{
Code: server.ErrBadRequest,
Details: fmt.Sprintf("Too many %ss (max %d, current %d)", typ, max, len(*slice)),
}
}
// validate all fields
for i, pronouns := range *slice {
if s := pronouns.Validate(); s != "" {
return &server.APIError{
Code: server.ErrBadRequest,
Details: fmt.Sprintf("%s %d: %s", typ, i, s),
}
}
}
return nil
}