feat: SSR 站点单页 /page/:slug 与 Admin CRUD

EOF

Co-authored-by: Cursor <cursoragent@cursor.com>

routers/web/page.go

@@ -0,0 +1,44 @@
+package web
+
+import (
+	"errors"
+	"html/template"
+	"net/http"
+
+	"git.iioio.com/freefire/jiang13-forum/services"
+	"github.com/gin-gonic/gin"
+)
+
+type sitePageViewData struct {
+	PageChrome
+	PageTitle string
+	Slug      string
+	BodyHTML  template.HTML
+}
+
+// SitePageGet 公开站点单页
+func (d Deps) SitePageGet(c *gin.Context) {
+	ctx := d.ctx(c)
+	if d.SitePage == nil {
+		d.render404(ctx)
+		return
+	}
+	slug := c.Param("slug")
+	page, err := d.SitePage.GetBySlug(slug, false)
+	if err != nil {
+		if errors.Is(err, services.ErrSitePageNotFound) {
+			d.render404(ctx)
+			return
+		}
+		c.String(http.StatusInternalServerError, "加载失败")
+		return
+	}
+	html := services.SanitizePostHTML(page.Content)
+	chrome := d.chrome(ctx, page.Title+" · "+d.Settings.SiteBranding().Name, "", "")
+	ctx.HTML(http.StatusOK, "page/view", sitePageViewData{
+		PageChrome: chrome,
+		PageTitle:  page.Title,
+		Slug:       page.Slug,
+		BodyHTML:   template.HTML(html),
+	})
+}