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|
package models
import (
"context"
"time"
"github.com/uptrace/bun"
)
type Node struct {
bun.BaseModel `bun:"table:nodes,alias:n"`
ID int `bun:"id,pk,autoincrement"`
Type NodeType
Text string
AuthorID int
Author *User `bun:"rel:belongs-to,join:author_id=id"`
ParentID int
Parent *Node `bun:"rel:belongs-to,join:parent_id=id"`
Permission int
CreatedAt int64 `bun:",nullzero,notnull,default:current_timestamp"`
UpdatedAt int64 `bun:",nullzero,notnull,default:current_timestamp"`
DeletedAt int64
}
var _ bun.BeforeAppendModelHook = (*Node)(nil)
func (m *Node) BeforeAppendModel(ctx context.Context, query bun.Query) error {
switch query.(type) {
case *bun.InsertQuery:
m.CreatedAt = time.Now().Unix()
m.UpdatedAt = time.Now().Unix()
case *bun.UpdateQuery:
m.UpdatedAt = time.Now().Unix()
}
return nil
}
type NodeType int
const (
TopicType NodeType = iota
PostType
)
type Permission int
const (
UserPost Permission = iota << 1
UserTopic
AdminPost
AdminTopic
)
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