cic-dw/pkg/meta/meta.go

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2022-04-29 16:04:01 +02:00
package meta
import (
"github.com/ethereum/go-ethereum/common"
"net/http"
"strings"
"time"
)
const (
personPointer = ":cic.person"
phonePointer = ":cic.phone"
preferencesPointer = ":cic.preferences"
customPointer = ":cic.custom"
)
type CicMeta struct {
httpClient *http.Client
baseUrl string
}
type CustomResponse struct {
Tags []string `json:"tags"`
}
type PreferencesResponse struct {
PreferredLanguage string `json:"preferred_language"`
}
type PersonResponse struct {
DateRegistered int `json:"date_registered"`
VCard string `json:"vcard"`
Gender string `json:"gender"`
Location Location `json:"location"`
Products []string `json:"products"`
DateOfBirth DateOfBirth `json:"date_of_birth"`
}
type Location struct {
AreaName string `json:"area_name"`
}
type DateOfBirth struct {
Year int `json:"year"`
}
func NewCicMeta(metaEndpoint string) *CicMeta {
return &CicMeta{
httpClient: &http.Client{
Timeout: time.Second * 3,
},
baseUrl: metaEndpoint,
}
}
func (c *CicMeta) GetPhonePointer(phone string) (string, error) {
hashedKey := mergeSha256Key([]byte(phone), []byte(phonePointer))
r, err := requestHandler(c, hashedKey)
if err != nil {
return "", err
}
return strings.Trim(string(r), "\""), nil
}
func (c *CicMeta) GetPersonMetadata(address string) (PersonResponse, error) {
hashedKey := mergeSha256Key(common.HexToAddress(address).Bytes(), []byte(personPointer))
respData, err := requestHandler(c, hashedKey)
if err != nil {
return PersonResponse{}, err
}
metadata, err := jsonUnmarshaler(respData, PersonResponse{})
if err != nil {
return PersonResponse{}, err
}
return metadata, nil
}
func (c *CicMeta) GetPreferencesMetadata(address string) (PreferencesResponse, error) {
hashedKey := mergeSha256Key(common.HexToAddress(address).Bytes(), []byte(preferencesPointer))
respData, err := requestHandler(c, hashedKey)
if err != nil {
return PreferencesResponse{}, err
}
metadata, err := jsonUnmarshaler(respData, PreferencesResponse{})
if err != nil {
return PreferencesResponse{}, err
}
return metadata, nil
}
func (c *CicMeta) GetCustomMetadata(address string) (CustomResponse, error) {
hashedKey := mergeSha256Key(common.HexToAddress(address).Bytes(), []byte(customPointer))
respData, err := requestHandler(c, hashedKey)
if err != nil {
return CustomResponse{}, err
}
metadata, err := jsonUnmarshaler(respData, CustomResponse{})
if err != nil {
return CustomResponse{}, err
}
return metadata, nil
}