增加配置文件
This commit is contained in:
@@ -0,0 +1,435 @@
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package handlers
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import (
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"net/http"
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"os"
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"path/filepath"
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"goblog/database"
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"goblog/models"
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"goblog/utils"
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"github.com/gin-gonic/gin"
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)
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// 获取可用主题列表
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func GetThemes(c *gin.Context) {
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themes := []string{}
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// 读取 templates 目录
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entries, err := os.ReadDir("templates")
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{
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"error": "无法读取主题目录",
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})
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return
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}
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for _, entry := range entries {
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if entry.IsDir() {
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// 检查是否是有效主题（包含 base.html）
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basePath := filepath.Join("templates", entry.Name(), "base.html")
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if _, err := os.Stat(basePath); err == nil {
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themes = append(themes, entry.Name())
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}
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}
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}
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c.JSON(http.StatusOK, gin.H{
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"themes": themes,
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})
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}
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// 获取当前主题
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func GetCurrentTheme(c *gin.Context) {
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currentTheme := "default"
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// 使用新的 Option 查询方法
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theme, err := models.GetOptionValue(database.DB, "theme", 0)
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if err == nil && theme != "" {
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currentTheme = theme
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}
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c.JSON(http.StatusOK, gin.H{
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"theme": currentTheme,
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})
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}
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// 切换主题
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func SwitchTheme(c *gin.Context) {
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type Request struct {
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Theme string `json:"theme" binding:"required"`
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}
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var req Request
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{
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"error": "请提供主题名称",
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})
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return
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}
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// 验证主题是否存在
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themePath := filepath.Join("templates", req.Theme)
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if _, err := os.Stat(themePath); os.IsNotExist(err) {
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c.JSON(http.StatusBadRequest, gin.H{
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"error": "主题不存在",
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})
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return
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}
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// 验证主题是否有效
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basePath := filepath.Join(themePath, "base.html")
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if _, err := os.Stat(basePath); os.IsNotExist(err) {
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c.JSON(http.StatusBadRequest, gin.H{
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"error": "主题文件不完整",
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})
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return
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}
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// 更新数据库中的主题设置
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err := models.SetOptionValue(database.DB, "theme", 0, req.Theme)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "保存主题设置失败"})
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return
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}
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// 重新加载模板（立即生效）
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renderer := utils.GetGlobalRenderer()
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if renderer != nil {
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renderer.Reload(req.Theme)
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}
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c.JSON(http.StatusOK, gin.H{
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"message": "主题切换成功",
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"theme": req.Theme,
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})
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}
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// 创建新主题
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func CreateTheme(c *gin.Context) {
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type Request struct {
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Name string `json:"name" binding:"required"`
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Template string `json:"template"`
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CreateCSS bool `json:"create_css"`
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}
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var req Request
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{
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"error": "请提供主题名称",
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})
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return
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}
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// 验证主题名称（只能包含字母、数字和下划线）
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validName := true
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for _, ch := range req.Name {
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if !((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || (ch >= '0' && ch <= '9') || ch == '_') {
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validName = false
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break
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}
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}
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if !validName || req.Name == "" {
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c.JSON(http.StatusBadRequest, gin.H{
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"error": "主题名称只能包含字母、数字和下划线",
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})
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return
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}
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// 检查主题是否已存在
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themePath := filepath.Join("templates", req.Name)
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if _, err := os.Stat(themePath); err == nil {
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c.JSON(http.StatusBadRequest, gin.H{
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"error": "主题已存在",
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})
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return
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}
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// 创建主题目录
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if err := os.MkdirAll(themePath, 0755); err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{
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"error": "创建主题目录失败",
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})
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return
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}
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// 如果指定了模板，复制模板文件
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if req.Template != "" && req.Template != "blank" {
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templateSrc := filepath.Join("templates", req.Template)
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if _, err := os.Stat(templateSrc); err == nil {
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// 复制模板文件
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files := []string{"base.html", "index.html", "post.html", "page.html"}
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for _, file := range files {
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srcFile := filepath.Join(templateSrc, file)
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dstFile := filepath.Join(themePath, file)
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if data, err := os.ReadFile(srcFile); err == nil {
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os.WriteFile(dstFile, data, 0644)
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}
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}
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}
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} else {
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// 创建空白模板
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baseHTML := `<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>{{.Title}} - {{.SiteName}}</title>
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<meta name="description" content="{{.Description}}">
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<link rel="icon" href="/static/images/favicon.ico" type="image/x-icon">
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<link rel="stylesheet" href="/static/css/{{.Name}}.css">
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</head>
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<body>
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<header class="header">
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<div class="container">
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<h1 class="site-title">
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<a href="/">{{.SiteName}}</a>
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</h1>
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<p class="site-desc">{{.SiteDesc}}</p>
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<nav class="main-nav">
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<a href="/">首页</a>
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{{range .Pages}}
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<a href="/page/{{.Slug}}">{{.Title}}</a>
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{{end}}
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</nav>
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</div>
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</header>
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<main class="main container">
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{{template "content" .}}
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</main>
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<footer class="footer">
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<div class="container">
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<p>© {{.Year}} {{.SiteName}}. Powered by GoBlog.</p>
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</div>
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</footer>
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</body>
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</html>
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`
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os.WriteFile(filepath.Join(themePath, "base.html"), []byte(baseHTML), 0644)
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os.WriteFile(filepath.Join(themePath, "index.html"), []byte(`{{define "content"}}
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<div class="post-list">
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<h2>欢迎来到我的博客</h2>
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<p>这是一个新主题</p>
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</div>
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{{end}}
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`), 0644)
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os.WriteFile(filepath.Join(themePath, "post.html"), []byte(`{{define "content"}}
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<article class="post-detail">
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<h1>{{.Post.Title}}</h1>
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<div class="post-body">
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{{.Post.Content | html}}
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</div>
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</article>
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{{end}}
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`), 0644)
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os.WriteFile(filepath.Join(themePath, "page.html"), []byte(`{{define "content"}}
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<article class="page-detail">
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<h1>{{.Page.Title}}</h1>
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<div class="page-body">
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{{.Page.Content | html}}
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</div>
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</article>
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{{end}}
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`), 0644)
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}
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// 创建 CSS 文件
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if req.CreateCSS {
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cssPath := filepath.Join("static", "css", req.Name+".css")
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os.MkdirAll(filepath.Dir(cssPath), 0755)
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cssContent := `/* ` + req.Name + ` Theme */
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/* 在此添加你的样式 */
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body {
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font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
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margin: 0;
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padding: 0;
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}
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.container {
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max-width: 1200px;
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margin: 0 auto;
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padding: 0 20px;
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}
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.header {
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background: #fff;
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padding: 20px 0;
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box-shadow: 0 2px 4px rgba(0,0,0,0.1);
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}
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.site-title {
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margin: 0;
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}
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.site-title a {
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color: #333;
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text-decoration: none;
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}
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.site-desc {
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color: #666;
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margin: 10px 0 0;
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}
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.main-nav {
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margin-top: 15px;
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}
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.main-nav a {
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margin-right: 15px;
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color: #666;
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text-decoration: none;
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}
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.main {
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padding: 30px 0;
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min-height: 500px;
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}
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.footer {
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background: #f5f5f5;
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padding: 20px 0;
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text-align: center;
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color: #999;
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}
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`
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os.WriteFile(cssPath, []byte(cssContent), 0644)
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}
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c.JSON(http.StatusOK, gin.H{
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"message": "主题创建成功",
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"theme": req.Name,
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})
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}
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// 获取主题文件列表
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func GetThemeFiles(c *gin.Context) {
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themeName := c.Param("theme")
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themePath := filepath.Join("templates", themeName)
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if _, err := os.Stat(themePath); os.IsNotExist(err) {
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c.JSON(http.StatusBadRequest, gin.H{
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"error": "主题不存在",
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})
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return
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}
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files := []string{}
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// 读取模板文件
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entries, err := os.ReadDir(themePath)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{
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"error": "读取文件列表失败",
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})
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return
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}
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for _, entry := range entries {
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if !entry.IsDir() {
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ext := filepath.Ext(entry.Name())
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if ext == ".html" || ext == ".css" || ext == ".js" {
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files = append(files, entry.Name())
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}
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}
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}
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// 检查是否有 CSS 文件
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cssPath := filepath.Join("static", "css", themeName+".css")
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if _, err := os.Stat(cssPath); err == nil {
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files = append(files, themeName+".css")
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}
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c.JSON(http.StatusOK, gin.H{
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"files": files,
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})
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}
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// 获取主题文件内容
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func GetThemeFile(c *gin.Context) {
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themeName := c.Param("theme")
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filename := c.Param("file")
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var filePath string
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// 判断是模板文件还是 CSS 文件
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if filename == themeName+".css" {
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filePath = filepath.Join("static", "css", filename)
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} else {
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filePath = filepath.Join("templates", themeName, filename)
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}
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if _, err := os.Stat(filePath); os.IsNotExist(err) {
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c.JSON(http.StatusBadRequest, gin.H{
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"error": "文件不存在",
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})
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return
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}
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content, err := os.ReadFile(filePath)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{
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"error": "读取文件失败",
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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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"content": string(content),
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})
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}
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// 保存主题文件
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func SaveThemeFile(c *gin.Context) {
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themeName := c.Param("theme")
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filename := c.Param("file")
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type Request struct {
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Content string `json:"content"`
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}
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var req Request
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{
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"error": "请提供文件内容",
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})
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return
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}
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var filePath string
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// 判断是模板文件还是 CSS 文件
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if filename == themeName+".css" {
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filePath = filepath.Join("static", "css", filename)
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} else {
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filePath = filepath.Join("templates", themeName, filename)
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}
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// 保存文件
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if err := os.WriteFile(filePath, []byte(req.Content), 0644); err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{
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"error": "保存文件失败",
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})
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return
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}
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// 如果是模板文件且是当前使用的主题，重新加载
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if filename != themeName+".css" {
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currentTheme, err := models.GetOptionValue(database.DB, "theme", 0)
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if err == nil && currentTheme == themeName {
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renderer := utils.GetGlobalRenderer()
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if renderer != nil {
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renderer.Reload(themeName)
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}
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}
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}
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c.JSON(http.StatusOK, gin.H{
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"message": "文件保存成功",
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})
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}
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