54 lines
1.7 KiB
Go
54 lines
1.7 KiB
Go
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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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// NotificationType 通知类型
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type NotificationType string
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const (
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NotificationTypeLikePost NotificationType = "like_post"
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NotificationTypeLikeComment NotificationType = "like_comment"
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NotificationTypeComment NotificationType = "comment"
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NotificationTypeReply NotificationType = "reply"
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NotificationTypeFollow NotificationType = "follow"
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NotificationTypeMention NotificationType = "mention"
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NotificationTypeSystem NotificationType = "system"
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)
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// Notification 通知实体
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type Notification 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);not null;index:idx_notifications_user_read_created,priority:1"` // 接收者
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Type NotificationType `json:"type" gorm:"type:varchar(30);not null"`
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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"`
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Data string `json:"data" gorm:"type:jsonb"` // 相关数据（JSON）
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// 已读状态
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IsRead bool `json:"is_read" gorm:"default:false;index:idx_notifications_user_read_created,priority:2"`
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ReadAt *time.Time `json:"read_at" gorm:"type:timestamp"`
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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_notifications_user_read_created,priority:3,sort:desc"`
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}
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// BeforeCreate 创建前生成UUID
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func (n *Notification) BeforeCreate(tx *gorm.DB) error {
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if n.ID == "" {
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n.ID = uuid.New().String()
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}
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return nil
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}
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func (Notification) TableName() string {
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return "notifications"
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}
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