lan
ebd9cb8b04
- 新增日志管理模块：操作日志、登录日志、数据变更日志 - 新增敏感词过滤器 (sanitizer) - 新增日志异步写入管理器 - 新增日志定时清理服务 - 优化帖子相关服务和上传服务
104 lines
4.0 KiB
Go
104 lines
4.0 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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// PostStatus 帖子状态
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type PostStatus string
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const (
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PostStatusDraft PostStatus = "draft"
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PostStatusPending PostStatus = "pending" // 待审核
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PostStatusPublished PostStatus = "published"
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PostStatusRejected PostStatus = "rejected"
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PostStatusDeleted PostStatus = "deleted"
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)
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// Post 帖子实体
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type Post struct {
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ID string `json:"id" gorm:"type:varchar(36);primaryKey"`
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UserID string `json:"user_id" gorm:"type:varchar(36);index;index:idx_posts_user_status_created,priority:1;not null"`
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CommunityID string `json:"community_id" gorm:"type:varchar(36);index"`
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Title string `json:"title" gorm:"type:varchar(200);not null"`
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Content string `json:"content" gorm:"type:text;not null"`
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// 关联
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// User 需要参与缓存序列化；否则列表命中缓存后会丢失作者信息，前端退化为“匿名用户”
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User *User `json:"user,omitempty" gorm:"foreignKey:UserID"`
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Images []PostImage `json:"images" gorm:"foreignKey:PostID"`
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// 审核状态
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Status PostStatus `json:"status" gorm:"type:varchar(20);default:published;index:idx_posts_status_created,priority:1;index:idx_posts_user_status_created,priority:2"`
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ReviewedAt *time.Time `json:"reviewed_at" gorm:"type:timestamp"`
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ReviewedBy string `json:"reviewed_by" gorm:"type:varchar(50)"`
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RejectReason string `json:"reject_reason" gorm:"type:varchar(500)"`
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// 统计
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LikesCount int `json:"likes_count" gorm:"column:likes_count;default:0"`
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CommentsCount int `json:"comments_count" gorm:"column:comments_count;default:0"`
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FavoritesCount int `json:"favorites_count" gorm:"column:favorites_count;default:0"`
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SharesCount int `json:"shares_count" gorm:"column:shares_count;default:0"`
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ViewsCount int `json:"views_count" gorm:"column:views_count;default:0"`
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HotScore float64 `json:"hot_score" gorm:"column:hot_score;default:0;index:idx_posts_hot_score_created,priority:1"`
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// 置顶/锁定
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IsPinned bool `json:"is_pinned" gorm:"default:false"`
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IsFeatured bool `json:"is_featured" gorm:"default:false"` // 加精
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IsLocked bool `json:"is_locked" gorm:"default:false"`
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IsDeleted bool `json:"-" gorm:"default:false"`
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// 投票
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IsVote bool `json:"is_vote" gorm:"column:is_vote;default:false"`
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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_posts_status_created,priority:2,sort:desc;index:idx_posts_user_status_created,priority:3,sort:desc;index:idx_posts_hot_score_created,priority:2,sort:desc"`
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UpdatedAt time.Time `json:"updated_at" gorm:"autoUpdateTime:false"`
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}
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// BeforeCreate 创建前生成UUID
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func (p *Post) BeforeCreate(tx *gorm.DB) error {
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if p.ID == "" {
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p.ID = uuid.New().String()
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}
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return nil
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}
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func (Post) TableName() string {
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return "posts"
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}
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// PostImage 帖子图片
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type PostImage 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);index;not null"`
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URL string `json:"url" gorm:"type:text;not null"`
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ThumbnailURL string `json:"thumbnail_url" gorm:"type:text"`
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PreviewURL string `json:"preview_url" gorm:"type:text"` // 列表/网格预览图（最大300px）
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PreviewURLLarge string `json:"preview_url_large" gorm:"type:text"` // 详情页预览图（最大800px）
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Width int `json:"width" gorm:"default:0"`
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Height int `json:"height" gorm:"default:0"`
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Size int64 `json:"size" gorm:"default:0"` // 文件大小（字节）
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MimeType string `json:"mime_type" gorm:"type:varchar(50)"`
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SortOrder int `json:"sort_order" gorm:"default:0"`
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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 (pi *PostImage) BeforeCreate(tx *gorm.DB) error {
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if pi.ID == "" {
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pi.ID = uuid.New().String()
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}
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return nil
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}
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func (PostImage) TableName() string {
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return "post_images"
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}
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