代码同步最新节点
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5976eda61b
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6
.idea/vcs.xml
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6
.idea/vcs.xml
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@ -0,0 +1,6 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="VcsDirectoryMappings">
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<mapping directory="" vcs="Git" />
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</component>
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</project>
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@ -1,67 +0,0 @@
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package handlers
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import (
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"net/http"
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"strconv"
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"github.com/gin-gonic/gin"
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"gorm.io/gorm"
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)
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type PostHandler struct {
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db *gorm.DB
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}
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func NewPostHandler(db *gorm.DB) *PostHandler {
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return &PostHandler{db: db}
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}
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// 获取帖子列表
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func (h *PostHandler) GetPosts(c *gin.Context) {
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var posts []Post
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page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
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pageSize, _ := strconv.Atoi(c.DefaultQuery("pageSize", "10"))
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offset := (page - 1) * pageSize
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query := h.db.Model(&Post{}).Preload("Author")
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var total int64
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query.Count(&total)
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if err := query.Offset(offset).Limit(pageSize).Find(&posts).Error; err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{
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"code": 500,
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"message": err.Error(),
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})
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"code": 200,
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"message": "success",
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"data": gin.H{
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"total": total,
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"posts": posts,
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},
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})
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}
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// 获取帖子详情
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func (h *PostHandler) GetPostDetail(c *gin.Context) {
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id := c.Param("id")
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var post Post
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if err := h.db.Preload("Author").First(&post, id).Error; err != nil {
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c.JSON(http.StatusNotFound, gin.H{
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"code": 404,
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"message": "Post not found",
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})
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"code": 200,
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"message": "success",
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"data": post,
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})
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}
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@ -1,14 +0,0 @@
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ALTER TABLE posts
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ADD COLUMN summary TEXT,
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ADD COLUMN likes INTEGER DEFAULT 0,
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ADD COLUMN views INTEGER DEFAULT 0,
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ADD COLUMN category VARCHAR(50),
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ADD COLUMN tags TEXT[];
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CREATE TABLE post_likes (
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id SERIAL PRIMARY KEY,
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post_id INTEGER REFERENCES posts(id),
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user_id INTEGER REFERENCES users(id),
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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UNIQUE(post_id, user_id)
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);
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@ -1,8 +0,0 @@
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DROP TABLE IF EXISTS post_likes;
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ALTER TABLE posts
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DROP COLUMN IF EXISTS summary,
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DROP COLUMN IF EXISTS likes,
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DROP COLUMN IF EXISTS views,
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DROP COLUMN IF EXISTS category,
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DROP COLUMN IF EXISTS tags;
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@ -1,13 +0,0 @@
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package models
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import (
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"gorm.io/gorm"
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)
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func InitDB() *gorm.DB {
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// ... 现有连接代码 ...
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db.AutoMigrate(&Post{})
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return db
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}
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@ -1,15 +0,0 @@
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package models
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import (
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"time"
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)
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type Post struct {
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ID uint `gorm:"primarykey" json:"id"`
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Title string `json:"title"`
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Content string `json:"content"`
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AuthorID uint `json:"authorId"`
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Author User `gorm:"foreignKey:AuthorID" json:"author"`
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CreateTime time.Time `gorm:"column:create_time" json:"createTime"`
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UpdateTime time.Time `gorm:"column:update_time" json:"updateTime"`
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}
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@ -1,20 +0,0 @@
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package routes
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import (
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"github.com/gin-gonic/gin"
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"gorm.io/gorm"
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"github.com/your-project/handlers"
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)
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func SetupRouter(db *gorm.DB) *gin.Engine {
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router := gin.Default()
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postHandler := handlers.NewPostHandler(db)
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// 帖子相关路由
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router.GET("/api/posts", postHandler.GetPosts)
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router.GET("/api/posts/:id", postHandler.GetPostDetail)
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return router
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}
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@ -1,104 +0,0 @@
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class PostController {
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// ... 现有代码 ...
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async getPosts(req: Request, res: Response) {
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const page = parseInt(req.query.page as string) || 1;
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const pageSize = parseInt(req.query.pageSize as string) || 10;
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const category = req.query.category as string;
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try {
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const result = await this.postModel.findAll({
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page,
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pageSize,
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category
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});
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res.json({
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code: 200,
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message: 'success',
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data: result
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});
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} catch (error) {
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res.status(500).json({
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code: 500,
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message: error.message
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});
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}
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}
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async getPostById(req: Request, res: Response) {
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const postId = parseInt(req.params.id);
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const userId = req.user?.id;
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try {
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const post = await this.postModel.findById(postId, userId);
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res.json({
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code: 200,
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message: 'success',
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data: post
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});
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} catch (error) {
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res.status(404).json({
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code: 404,
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message: error.message
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});
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}
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}
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async likePost(req: Request, res: Response) {
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const postId = parseInt(req.params.id);
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const userId = req.user.id;
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try {
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await db.query(
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`INSERT INTO post_likes (post_id, user_id)
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VALUES ($1, $2)
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ON CONFLICT (post_id, user_id) DO NOTHING`,
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[postId, userId]
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);
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await db.query(
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'UPDATE posts SET likes = likes + 1 WHERE id = $1',
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[postId]
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);
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res.json({
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code: 200,
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message: 'success'
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});
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} catch (error) {
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res.status(500).json({
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code: 500,
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message: error.message
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});
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}
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}
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async unlikePost(req: Request, res: Response) {
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const postId = parseInt(req.params.id);
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const userId = req.user.id;
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try {
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await db.query(
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'DELETE FROM post_likes WHERE post_id = $1 AND user_id = $2',
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[postId, userId]
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);
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await db.query(
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'UPDATE posts SET likes = likes - 1 WHERE id = $1',
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[postId]
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);
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res.json({
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code: 200,
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message: 'success'
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});
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} catch (error) {
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res.status(500).json({
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code: 500,
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message: error.message
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});
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}
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}
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}
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@ -1,107 +0,0 @@
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interface Post {
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id: number;
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title: string;
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content: string;
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summary: string;
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authorId: number;
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createTime: Date;
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updateTime: Date;
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likes: number;
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comments: number;
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views: number;
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category: string;
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tags: string[];
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}
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class PostModel {
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// ... 现有代码 ...
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async findAll(params: {
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page: number;
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pageSize: number;
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category?: string;
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}): Promise<{ total: number; posts: Post[] }> {
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const offset = (params.page - 1) * params.pageSize;
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const whereClause = params.category ? 'WHERE category = $3' : '';
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const query = `
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SELECT p.*,
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u.username, u.avatar,
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COUNT(c.id) as comments
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FROM posts p
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LEFT JOIN users u ON p.author_id = u.id
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LEFT JOIN comments c ON p.id = c.post_id
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${whereClause}
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GROUP BY p.id, u.id
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ORDER BY p.create_time DESC
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LIMIT $1 OFFSET $2
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`;
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const values = params.category
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? [params.pageSize, offset, params.category]
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: [params.pageSize, offset];
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const result = await db.query(query, values);
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const countResult = await db.query(
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`SELECT COUNT(*) FROM posts ${whereClause}`,
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params.category ? [params.category] : []
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);
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return {
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total: parseInt(countResult.rows[0].count),
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posts: result.rows.map(this.transformPostRow)
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};
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}
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async findById(id: number, userId?: number): Promise<Post & { likedByMe: boolean }> {
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const query = `
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SELECT p.*,
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u.username, u.avatar,
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COUNT(c.id) as comments,
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EXISTS(
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SELECT 1 FROM post_likes pl
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WHERE pl.post_id = p.id AND pl.user_id = $2
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) as liked_by_me
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FROM posts p
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LEFT JOIN users u ON p.author_id = u.id
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LEFT JOIN comments c ON p.id = c.post_id
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WHERE p.id = $1
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GROUP BY p.id, u.id
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`;
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const result = await db.query(query, [id, userId || null]);
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if (!result.rows[0]) {
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throw new Error('Post not found');
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}
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// 增加浏览次数
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await db.query(
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'UPDATE posts SET views = views + 1 WHERE id = $1',
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[id]
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);
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return this.transformPostRow(result.rows[0]);
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}
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private transformPostRow(row: any): Post & { likedByMe?: boolean } {
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return {
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id: row.id,
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title: row.title,
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content: row.content,
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summary: row.summary,
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author: {
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id: row.author_id,
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username: row.username,
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avatar: row.avatar
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},
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createTime: row.create_time.toISOString(),
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updateTime: row.update_time.toISOString(),
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likes: row.likes,
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comments: parseInt(row.comments),
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views: row.views,
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category: row.category,
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tags: row.tags,
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likedByMe: row.liked_by_me
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};
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}
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}
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router.get('/posts', postController.getPosts);
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router.get('/posts/:id', postController.getPostById);
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router.post('/posts/:id/like', auth, postController.likePost);
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router.delete('/posts/:id/like', auth, postController.unlikePost);
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