数据结构优化

2026-01-19 13:53:32 +08:00
parent e6edf7210b
commit 3443c10c92
38 changed files with 1556 additions and 2153 deletions
--- a/server/models/post.go
+++ b/server/models/post.go
@@ -1,20 +1,52 @@
 package models

+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
 // Post 博客文章模型
 type Post struct {
-	ID          uint      `json:"id"`
-	OriginalID  string    `json:"originalId,omitempty"` // For backward compatibility
-	Title       string    `json:"title"`
-	CategoryID  uint      `json:"categoryId"`
-	Category    *Category `json:"category,omitempty"` // For join query result
-	Excerpt     string    `json:"excerpt"`
-	Content     string    `json:"content"`
-	ReadCount   uint      `json:"readCount"`
-	IsPublished int       `json:"isPublished"` // 0: draft, 1: published
-	Tags        []Tag     `json:"tags"`
-	CreatedAt   int64     `json:"createdAt"`
-	UpdatedAt   int64     `json:"updatedAt"`
-	DeletedAt   int64     `json:"deletedAt"`
+	ID          uint      `json:"id" gorm:"primaryKey;column:id"`
+	OriginalID  string    `json:"originalId,omitempty" gorm:"-"` // For backward compatibility
+	Title       string    `json:"title" gorm:"column:title"`
+	CategoryID  uint      `json:"categoryId" gorm:"column:category_id"`
+	Category    *Category `json:"category,omitempty" gorm:"foreignKey:CategoryID"` // For join query result
+	Excerpt     string    `json:"excerpt" gorm:"column:excerpt"`
+	Content     string    `json:"content" gorm:"column:content;type:text"`
+	ReadCount   uint      `json:"readCount" gorm:"column:read_count;default:0"`
+	IsPublished int       `json:"isPublished" gorm:"column:is_published;default:0"` // 0: draft, 1: published
+	Tags        []Tag     `json:"tags" gorm:"many2many:post_tags;joinForeignKey:post_id;joinReferences:tag_id"`
+	CreatedAt   int64     `json:"createdAt" gorm:"column:created_at"`
+	UpdatedAt   int64     `json:"updatedAt" gorm:"column:updated_at"`
+	DeletedAt   int64     `json:"deletedAt" gorm:"column:deleted_at;default:0"`
+}
+
+// TableName 指定表名
+func (Post) TableName() string {
+	return "posts"
+}
+
+// BeforeCreate 创建前钩子
+func (p *Post) BeforeCreate(tx *gorm.DB) error {
+	now := time.Now().Unix()
+	if p.CreatedAt == 0 {
+		p.CreatedAt = now
+	}
+	if p.UpdatedAt == 0 {
+		p.UpdatedAt = now
+	}
+	if p.DeletedAt == 0 {
+		p.DeletedAt = 0
+	}
+	return nil
+}
+
+// BeforeUpdate 更新前钩子
+func (p *Post) BeforeUpdate(tx *gorm.DB) error {
+	p.UpdatedAt = time.Now().Unix()
+	return nil
 }

 // PostResponse 博客文章响应模型
@@ -32,17 +64,34 @@ type PostResponse struct {

 // PostHistory 文章历史记录模型
 type PostHistory struct {
-	ID          uint   `json:"id"`
-	PostID      uint   `json:"postId"`
-	Version     int    `json:"version"`
-	Title       string `json:"title"`
-	CategoryID  uint   `json:"categoryId"`
-	Excerpt     string `json:"excerpt"`
-	Content     string `json:"content"`
-	IsPublished int    `json:"isPublished"`
-	ModifiedBy  uint   `json:"modifiedBy"`
-	ModifiedAt  int64  `json:"modifiedAt"`
-	CreatedAt   int64  `json:"createdAt"`
+	ID          uint   `json:"id" gorm:"primaryKey;column:id"`
+	PostID      uint   `json:"postId" gorm:"column:post_id;index"`
+	Version     int    `json:"version" gorm:"column:version"`
+	Title       string `json:"title" gorm:"column:title"`
+	CategoryID  uint   `json:"categoryId" gorm:"column:category_id"`
+	Excerpt     string `json:"excerpt" gorm:"column:excerpt"`
+	Content     string `json:"content" gorm:"column:content;type:text"`
+	IsPublished int    `json:"isPublished" gorm:"column:is_published"`
+	ModifiedBy  uint   `json:"modifiedBy" gorm:"column:modified_by"`
+	ModifiedAt  int64  `json:"modifiedAt" gorm:"column:modified_at"`
+	CreatedAt   int64  `json:"createdAt" gorm:"column:created_at"`
+}
+
+// TableName 指定表名
+func (PostHistory) TableName() string {
+	return "post_history"
+}
+
+// BeforeCreate 创建前钩子
+func (ph *PostHistory) BeforeCreate(tx *gorm.DB) error {
+	now := time.Now().Unix()
+	if ph.CreatedAt == 0 {
+		ph.CreatedAt = now
+	}
+	if ph.ModifiedAt == 0 {
+		ph.ModifiedAt = now
+	}
+	return nil
 }

 // PostHistoryResponse 文章历史记录响应模型