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media_user.go
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/
media_user.go
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package model
import (
"errors"
"github.com/mongodb/mongo-go-driver/bson"
"github.com/mongodb/mongo-go-driver/bson/primitive"
)
// MediaUser ...
type MediaUser struct {
Model `bson:",inline"`
UserID primitive.ObjectID `bson:"user_id"`
MediaID primitive.ObjectID `bson:"media_id"`
user *User
media *Media
}
// NewMediaUser ...
func NewMediaUser() *MediaUser {
return &MediaUser{}
}
func (u *MediaUser) _Name() string {
return "media_user"
}
// CreateIfNotExist ...
func (u *MediaUser) CreateIfNotExist() error {
return CreateIfNotExist(u)
}
// IsExist ...
func (u *MediaUser) IsExist() bool {
return IsExist(u, bson.M{
"media_id": u.MediaID,
"user_id": u.UserID,
})
}
// Media ...
func (u *MediaUser) Media() (*Media, error) {
if u.ID == primitive.NilObjectID {
return nil, errors.New("id is null")
}
if u.MediaID != primitive.NilObjectID {
md := NewMedia()
md.ID = u.MediaID
err := md.Find()
if err != nil {
return nil, err
}
u.media = md
return md, nil
}
return nil, errors.New("role not found")
}
// SetMedia ...
func (u *MediaUser) SetMedia(media *Media) {
u.media = media
u.MediaID = media.ID
}
// User ...
func (u *MediaUser) User() (*User, error) {
if u.ID == primitive.NilObjectID {
return nil, errors.New("id is null")
}
if u.UserID != primitive.NilObjectID {
user := NewUser()
user.ID = u.UserID
err := user.Find()
if err != nil {
return nil, err
}
u.user = user
return user, nil
}
return nil, errors.New("permission not found")
}
// SetUser ...
func (u *MediaUser) SetUser(user *User) {
u.user = user
u.UserID = user.ID
}
// GetID ...
func (u *MediaUser) GetID() primitive.ObjectID {
return u.ID
}
// SetID ...
func (u *MediaUser) SetID(id primitive.ObjectID) {
u.ID = id
}
// Create ...
func (u *MediaUser) Create() error {
return InsertOne(u)
}
// Update ...
func (u *MediaUser) Update() error {
return UpdateOne(u)
}
// Delete ...
func (u *MediaUser) Delete() error {
return DeleteByID(u)
}
// Find ...
func (u *MediaUser) Find() error {
return FindByID(u)
}