增加基础设置页面

handlers/setting.go

@@ -0,0 +1,84 @@
+package handlers
+
+import (
+	"net/http"
+	"strconv"
+
+	"goblog/config"
+	"goblog/database"
+	"goblog/models"
+
+	"github.com/gin-gonic/gin"
+)
+
+// 站点基础设置键名
+const (
+	OptionSiteName        = "site_name"
+	OptionSiteDesc        = "site_desc"
+	OptionShowComments    = "show_comments"     // "1" 显示评论 / "0" 隐藏评论
+	OptionCommentPageSize = "comments_per_page" // 前台评论每页条数
+)
+
+// GetSettings 获取站点基础设置（管理员）
+func GetSettings(c *gin.Context) {
+	cfg := config.GetGlobalConfig()
+	if cfg == nil {
+		cfg = config.Load()
+	}
+
+	opts, err := models.GetOptionsByUser(database.DB, 0)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "读取设置失败"})
+		return
+	}
+
+	// 默认值：站点信息取配置文件，评论默认显示、每页 10 条
+	settings := map[string]string{
+		OptionSiteName:        cfg.App.Name,
+		OptionSiteDesc:        cfg.App.Description,
+		OptionShowComments:    "1",
+		OptionCommentPageSize: "10",
+	}
+	for name := range settings {
+		if v, ok := opts[name]; ok && v != "" {
+			settings[name] = v
+		}
+	}
+
+	c.JSON(http.StatusOK, gin.H{"data": settings})
+}
+
+// UpdateSettingsRequest 更新站点基础设置请求
+type UpdateSettingsRequest struct {
+	SiteName        string `json:"site_name" binding:"required"`
+	SiteDesc        string `json:"site_desc"`
+	ShowComments    bool   `json:"show_comments"`
+	CommentsPerPage int    `json:"comments_per_page" binding:"required,min=1,max=100"`
+}
+
+// UpdateSettings 保存站点基础设置（管理员）
+func UpdateSettings(c *gin.Context) {
+	var req UpdateSettingsRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "参数错误: " + err.Error()})
+		return
+	}
+
+	showComments := "0"
+	if req.ShowComments {
+		showComments = "1"
+	}
+	options := map[string]string{
+		OptionSiteName:        req.SiteName,
+		OptionSiteDesc:        req.SiteDesc,
+		OptionShowComments:    showComments,
+		OptionCommentPageSize: strconv.Itoa(req.CommentsPerPage),
+	}
+
+	if err := models.BatchSetOptions(database.DB, 0, options); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "保存设置失败"})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "设置已保存"})
+}