71 lines
2.0 KiB
Go
71 lines
2.0 KiB
Go
package controllers
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import (
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"go_blog/models"
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"go_blog/themes" // <-- 确保导入 themes 包
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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" // <-- 确保导入 gorm
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)
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func ShowPost(c *gin.Context) {
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tm, exists := c.Get("ThemeManager")
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if !exists {
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c.String(http.StatusInternalServerError, "Theme manager not found")
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return
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}
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themeManager, ok := tm.(*themes.ThemeManager)
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if !ok {
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c.String(http.StatusInternalServerError, "Invalid theme manager type")
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return
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}
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idParam := c.Param("id")
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id, err := strconv.ParseInt(idParam, 10, 32)
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if err != nil {
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c.String(http.StatusBadRequest, "Invalid post ID format")
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return
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}
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var content = models.Content{Cid: int32(id)}
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// 从 Gin 上下文中获取 DB 实例
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dbInterface, exists := c.Get("DB")
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if !exists {
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c.String(http.StatusInternalServerError, "DB not found in context")
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return
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}
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db, ok := dbInterface.(*gorm.DB)
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if !ok {
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c.String(http.StatusInternalServerError, "Invalid DB type in context")
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return
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}
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result := db.First(&content)
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if result.Error != nil {
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if result.Error == gorm.ErrRecordNotFound {
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c.String(http.StatusNotFound, "Post not found")
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} else {
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c.String(http.StatusInternalServerError, "Error fetching post: "+result.Error.Error())
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}
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return
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}
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// 假设你的主题中有一个名为 "post" 的模板 (post.html 或 post.tmpl)
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// 注意：当前的 default 主题 (web/themes/default/templates/) 并没有 post.tmpl，你需要添加它。
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tpl := themeManager.GetTemplate("post")
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if tpl == nil {
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c.String(http.StatusInternalServerError, "Template 'post' not found in current theme: "+themeManager.CurrentTheme()+". Make sure 'post.html' or 'post.tmpl' exists in the theme's templates directory.")
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return
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}
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c.Status(http.StatusOK)
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c.Header("Content-Type", "text/html; charset=utf-8")
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// 将整个 content 对象传递给模板。模板内部通过 {{ .Title }} {{ .Text }} 等访问。
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err = tpl.Execute(c.Writer, content)
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if err != nil {
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c.String(http.StatusInternalServerError, "Error rendering template: "+err.Error())
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}
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}
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