wg-portal/internal/server/handlers.go

package server

import (
	"net/http"
	"strconv"

	"github.com/gin-gonic/gin"
)

func (s *Server) GetIndex(c *gin.Context) {
	c.HTML(http.StatusOK, "index.html", gin.H{
		"route":   c.Request.URL.Path,
		"session": s.getSessionData(c),
		"static":  s.getStaticData(),
	})
}

func (s *Server) HandleError(c *gin.Context, code int, message, details string) {
	// TODO: if json
	//c.JSON(code, gin.H{"error": message, "details": details})

	c.HTML(code, "error.html", gin.H{
		"data": gin.H{
			"Code":    strconv.Itoa(code),
			"Message": message,
			"Details": details,
		},
		"route":   c.Request.URL.Path,
		"session": s.getSessionData(c),
		"static":  s.getStaticData(),
	})
}

func (s *Server) GetAdminIndex(c *gin.Context) {
	dev, err := s.wg.GetDeviceInfo()
	if err != nil {
		s.HandleError(c, http.StatusInternalServerError, "WireGuard error", err.Error())
		return
	}
	peers, err := s.wg.GetPeerList()
	if err != nil {
		s.HandleError(c, http.StatusInternalServerError, "WireGuard error", err.Error())
		return
	}

	users := make([]User, len(peers))
	for i, peer := range peers {
		users[i] = s.users.GetOrCreateUserForPeer(peer)
	}
	c.HTML(http.StatusOK, "admin_index.html", gin.H{
		"route":     c.Request.URL.Path,
		"session":   s.getSessionData(c),
		"static":    s.getStaticData(),
		"peers":     users,
		"interface": dev,
	})
}