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package dto
import (
"encoding/json"
"errors"
"fmt"
)
type UserInfo struct {
Context any `json:"@context"`
Id string `json:"id"`
Type string `json:"type"`
PreferredUserName string `json:"preferredUsername"`
Name string `json:"name"`
Summary string `json:"summary"`
ManuallyApproves bool `json:"manuallyApprovesFollowers"`
Published string `json:"published"`
Inbox string `json:"inbox"`
Outbox string `json:"outbox"`
Followers string `json:"followers"`
Following string `json:"following"`
Endpoints UserEndpoints `json:"endpoints"`
PublicKey PublicKey `json:"publicKey"`
Attachments []Attachment `json:"attachment"`
Icon Image `json:"icon"`
Image Image `json:"image"`
}
type Attachment struct {
Type string `json:"type"`
Name string `json:"name"`
Value string `json:"value"`
}
type Image struct {
Type string `json:"type"`
Url string `json:"url"`
}
type UserEndpoints struct {
SharedInbox string `json:"sharedInbox"`
}
type PublicKey struct {
Id string `json:"id"`
Owner string `json:"owner"`
PublicKeyPem string `json:"publicKeyPem"`
}
type OrderedListSummary struct {
Context any `json:"@context"`
Id string `json:"id"`
Type string `json:"type"`
TotalItems uint `json:"totalItems"`
First *string `json:"first,omitempty"`
Last *string `json:"last,omitempty"`
}
func getRecipient(raw any) ([]string, error) {
var res []string
if raw == nil {
return res, nil
}
if slice, ok := raw.([]interface{}); ok {
for _, s := range slice {
if str, ok := s.(string); ok {
res = append(res, str)
} else {
return res, fmt.Errorf("list of recipients must only contain strings")
}
}
} else if str, ok := raw.(string); ok {
res = []string{str}
} else {
return res, fmt.Errorf("to and cc must be single string or array of strings")
}
return res, nil
}
type ActivityInBase struct {
Id string `json:"id"`
Type string `json:"type"`
Actor string `json:"actor"`
To []string `json:"-"`
RawTo any `json:"to"`
Cc []string `json:"-"`
RawCc any `json:"cc"`
Object any `json:"object"`
}
func (x *ActivityInBase) UnmarshalJSON(data []byte) error {
var err error
type Y ActivityInBase
var y = (*Y)(x)
if err = json.Unmarshal(data, y); err != nil {
return err
}
if y.To, err = getRecipient(y.RawTo); err != nil {
return err
}
if y.Cc, err = getRecipient(y.RawCc); err != nil {
return err
}
return nil
}
type ActivityIn[T any] struct {
Id string `json:"id"`
Type string `json:"type"`
Actor string `json:"actor"`
To []string `json:"-"`
RawTo any `json:"to"`
Cc []string `json:"-"`
RawCc any `json:"cc"`
Object T `json:"object"`
}
func (x *ActivityIn[T]) UnmarshalJSON(data []byte) error {
var err error
type Y ActivityIn[T]
var y = (*Y)(x)
if err = json.Unmarshal(data, y); err != nil {
return err
}
if y.To, err = getRecipient(y.RawTo); err != nil {
return err
}
if y.Cc, err = getRecipient(y.RawCc); err != nil {
return err
}
return nil
}
type ActivityOut struct {
Context any `json:"@context"`
Id string `json:"id"`
Type string `json:"type"`
Actor string `json:"actor"`
To *[]string `json:"to,omitempty"`
Cc *[]string `json:"cc,omitempty"`
Object any `json:"object,omitempty"`
}
type Note struct {
Context string `json:"@context,omitempty"`
Id string `json:"id"`
Type string `json:"type"`
Published string `json:"published"`
Summary *string `json:"summary"`
AttributedTo string `json:"attributedTo"`
InReplyTo *string `json:"inReplyTo"`
To []string `json:"-"`
RawTo any `json:"to"`
Cc []string `json:"-"`
RawCc any `json:"cc"`
Content string `json:"content"`
Tag *[]Tag `json:"-"`
RawTag any `json:"tag,omitempty"`
}
func (x *Note) UnmarshalJSON(data []byte) error {
var err error
type Y Note
var y = (*Y)(x)
if err = json.Unmarshal(data, y); err != nil {
return err
}
if y.To, err = getRecipient(y.RawTo); err != nil {
return err
}
if y.Cc, err = getRecipient(y.RawCc); err != nil {
return err
}
if y.Tag, err = getTag(y.RawTag); err != nil {
return err
}
return nil
}
func (x *Note) MarshalJSON() ([]byte, error) {
type Y Note
var y = (*Y)(x)
y.RawTo = y.To
y.RawCc = y.Cc
y.RawTag = y.Tag
return json.Marshal(y)
}
type Tag struct {
Type string `json:"type"`
Href string `json:"href"`
Name string `json:"name"`
}
func getTag(raw any) (*[]Tag, error) {
// No value is legit
if raw == nil {
return nil, nil
}
retrieve := func(obj *map[string]interface{}) (*Tag, error) {
var tag Tag
var ok bool
if tag.Href, ok = (*obj)["href"].(string); !ok {
return nil, errors.New("invalid data in tag's 'href' property; string expected")
}
if tag.Name, ok = (*obj)["name"].(string); !ok {
return nil, errors.New("invalid data in tag's 'name' property; string expected")
}
if tag.Type, ok = (*obj)["type"].(string); !ok {
return nil, errors.New("invalid data in tag's 'type' property; string expected")
}
return &tag, nil
}
// Single Tag object
if obj, ok := raw.(map[string]interface{}); ok {
if tag, err := retrieve(&obj); err != nil {
return nil, err
} else {
return &[]Tag{*tag}, nil
}
}
// Array
if slice, ok := raw.([]interface{}); ok {
var res []Tag
for _, s := range slice {
if obj, ok := s.(map[string]interface{}); ok {
if tag, err := retrieve(&obj); err != nil {
return nil, err
} else {
res = append(res, *tag)
}
} else {
return nil, errors.New("unexpected item in 'tag' array; must only contain tag objects")
}
}
return &res, nil
}
return nil, errors.New("invalid data in 'tag' property")
}
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