tsk-14: User improvements (#20)

Closes #14

Reviewed-on: phoenix/textsender-models#20
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

tx0/user/service_user.go

@@ -10,5 +10,5 @@ type ServiceUser struct {
 	Id         uuid.UUID `json:"id"`
 	Username   string    `json:"username,omitempty"`
 	Passphrase string    `json:"passphrase,omitempty"`
-	Created    *time.Time `json:"date_created,omitempty"`
+	Created    time.Time `json:"date_created"`
 }

tx0/user/user.go

@@ -1,6 +1,8 @@
 package user
 
 import (
+	"time"
+
 	"github.com/google/uuid"
 )
 
@@ -9,4 +11,8 @@ type User struct {
 	PhoneNumber string     `json:"phone_number"`
 	Username    string     `json:"username"`
 	Password    string     `json:"password"`
+	Firstname   *string    `json:"first_name,omitempty"`
+	Lastname    *string    `json:"last_name,omitempty"`
+	Created     time.Time  `json:"date_created"`
+	LastLogin   *time.Time `json:"last_login,omitempty"`
 }