lan
4d8f2ec997
Set up project files and add .gitignore to exclude local build/runtime artifacts. Made-with: Cursor
81 lines
2.7 KiB
Go
81 lines
2.7 KiB
Go
package model
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import (
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"time"
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"github.com/google/uuid"
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"gorm.io/gorm"
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)
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// CommentStatus 评论状态
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type CommentStatus string
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const (
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CommentStatusDraft CommentStatus = "draft"
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CommentStatusPending CommentStatus = "pending"
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CommentStatusPublished CommentStatus = "published"
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CommentStatusRejected CommentStatus = "rejected"
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CommentStatusDeleted CommentStatus = "deleted"
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)
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// Comment 评论实体
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type Comment struct {
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ID string `json:"id" gorm:"type:varchar(36);primaryKey"`
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PostID string `json:"post_id" gorm:"type:varchar(36);not null;index:idx_comments_post_parent_status_created,priority:1"`
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UserID string `json:"user_id" gorm:"type:varchar(36);index;not null"`
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ParentID *string `json:"parent_id" gorm:"type:varchar(36);index:idx_comments_post_parent_status_created,priority:2"` // 父评论 ID（支持嵌套）
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RootID *string `json:"root_id" gorm:"type:varchar(36);index:idx_comments_root_status_created,priority:1"` // 根评论 ID（用于高效查询）
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Content string `json:"content" gorm:"type:text;not null"`
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Images string `json:"images" gorm:"type:text"` // 图片URL列表，JSON数组格式
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// 关联
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User *User `json:"-" gorm:"foreignKey:UserID"`
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Replies []*Comment `json:"-" gorm:"-"` // 子回复（手动加载，非 GORM 关联）
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// 审核状态
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Status CommentStatus `json:"status" gorm:"type:varchar(20);default:published;index:idx_comments_post_parent_status_created,priority:3;index:idx_comments_root_status_created,priority:2"`
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// 统计
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LikesCount int `json:"likes_count" gorm:"default:0"`
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RepliesCount int `json:"replies_count" gorm:"default:0"`
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// 软删除
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DeletedAt gorm.DeletedAt `json:"-" gorm:"index"`
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// 时间戳
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CreatedAt time.Time `json:"created_at" gorm:"autoCreateTime;index:idx_comments_post_parent_status_created,priority:4,sort:asc;index:idx_comments_root_status_created,priority:3,sort:asc"`
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UpdatedAt time.Time `json:"updated_at" gorm:"autoUpdateTime"`
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}
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// BeforeCreate 创建前生成UUID
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func (c *Comment) BeforeCreate(tx *gorm.DB) error {
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if c.ID == "" {
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c.ID = uuid.New().String()
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}
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return nil
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}
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func (Comment) TableName() string {
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return "comments"
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}
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// CommentLike 评论点赞
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type CommentLike struct {
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ID string `json:"id" gorm:"type:varchar(36);primaryKey"`
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CommentID string `json:"comment_id" gorm:"type:varchar(36);index;not null"`
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UserID string `json:"user_id" gorm:"type:varchar(36);index;not null"`
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CreatedAt time.Time `json:"created_at" gorm:"autoCreateTime"`
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}
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// BeforeCreate 创建前生成UUID
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func (cl *CommentLike) BeforeCreate(tx *gorm.DB) error {
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if cl.ID == "" {
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cl.ID = uuid.New().String()
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}
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return nil
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}
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func (CommentLike) TableName() string {
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return "comment_likes"
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}
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