- 新增 PostLike/PostDislike 模型,复合主键 (user_id, post_id) - Post 表新增 LikesCount/DislikesCount 冗余计数器 - Repository 层:reaction_repo.go,含 WithTx 事务支持 - Service 层:reaction_service.go,赞踩互斥逻辑(6 态切换),事务包裹 - Controller 层:reaction_controller.go,3 个 API(ToggleLike/ToggleDislike/GetReaction) - 接口定义:controller/interfaces.go 新增 reactionUseCase,service/repository.go 新增 ReactionStore - 路由注册 + 依赖注入 + AutoMigrate - 前端:文章详情页赞踩按钮 + 状态查询 + 401 跳转登录 - 样式:posts.css 新增赞踩按钮样式
45 lines
2.3 KiB
Go
45 lines
2.3 KiB
Go
package model
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import (
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"time"
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"gorm.io/gorm"
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)
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// Post 帖子/文章模型
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type Post struct {
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ID uint `gorm:"primarykey" json:"id"`
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Title string `gorm:"type:varchar(200);not null" json:"title"`
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Body string `gorm:"type:text" json:"body"` // Markdown content
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Excerpt string `gorm:"type:varchar(500)" json:"excerpt"` // plain text summary for list
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UserID uint `gorm:"index;not null" json:"user_id"`
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Status string `gorm:"type:varchar(20);index;default:draft;not null" json:"status"`
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IsLocked bool `gorm:"default:false" json:"is_locked"`
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LockReason string `gorm:"type:varchar(500);default:''" json:"lock_reason,omitempty"`
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PendingTitle string `gorm:"type:varchar(200);default:''" json:"pending_title,omitempty"`
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PendingBody string `gorm:"type:text" json:"pending_body,omitempty"`
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RejectReason string `gorm:"type:varchar(500);default:''" json:"reject_reason,omitempty"`
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AllowComment bool `gorm:"default:true" json:"allow_comment"`
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CommentsCount int `gorm:"default:0" json:"comments_count"` // 评论数(冗余计数器)
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TotalEnergyReceived int `gorm:"default:0" json:"total_energy_received"` // 文章累计被赋能域能(乘10,冗余计数)
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LikesCount int `gorm:"default:0" json:"likes_count"` // 点赞数(冗余计数器)
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DislikesCount int `gorm:"default:0" json:"dislikes_count"` // 踩数(冗余计数器,仅后台可见)
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DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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// 非数据库字段(联表查询填充)
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// gorm:"-:migration" 指定不创建/迁移该列,"<-:false" 禁止写入,"column:author_name" 允许
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// 从 JOIN 查询的 users.username AS author_name 别名中读取
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AuthorName string `gorm:"-:migration;<-:false;column:author_name" json:"author_name,omitempty"`
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}
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// 帖子状态常量
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const (
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PostStatusDraft = "draft"
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PostStatusPending = "pending"
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PostStatusApproved = "approved"
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PostStatusRejected = "rejected"
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PostStatusLocked = "locked"
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)
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