Files
website/internal/http/error/errors.go

90 lines
2.3 KiB
Go

package errors
import (
"fmt"
"net/http"
"os"
templateHelpers "synlotto-website/internal/helpers/template"
"synlotto-website/internal/models"
"synlotto-website/internal/platform/sessionkeys"
"github.com/alexedwards/scs/v2"
"github.com/gin-gonic/gin"
)
// RenderStatus renders web/templates/error/<status>.html inside layout.html,
// using ONLY session data (no DB) so 404/500 pages don't crash and still
// look "logged in" when a session exists.
func RenderStatus(c *gin.Context, sessions *scs.SessionManager, status int) {
r := c.Request
uid := int64(0)
if v := sessions.Get(r.Context(), sessionkeys.UserID); v != nil {
switch t := v.(type) {
case int64:
uid = t
case int:
uid = int64(t)
}
}
// --- build minimal template data from session
var data models.TemplateData
if uid > 0 {
uname := ""
if v := sessions.Get(r.Context(), sessionkeys.Username); v != nil {
if s, ok := v.(string); ok {
uname = s
}
}
isAdmin := false
if v := sessions.Get(r.Context(), sessionkeys.IsAdmin); v != nil {
if b, ok := v.(bool); ok {
isAdmin = b
}
}
data.User = &models.User{
Id: uid,
Username: uname,
IsAdmin: isAdmin,
}
data.IsAdmin = isAdmin
}
ctxMap := templateHelpers.TemplateContext(c.Writer, r, data)
if f := sessions.PopString(r.Context(), sessionkeys.Flash); f != "" {
ctxMap["Flash"] = f
}
pagePath := fmt.Sprintf("web/templates/error/%d.html", status)
if _, err := os.Stat(pagePath); err != nil {
c.String(status, http.StatusText(status))
return
}
tmpl := templateHelpers.LoadTemplateFiles(
"web/templates/layout.html",
pagePath,
)
c.Status(status)
if err := tmpl.ExecuteTemplate(c.Writer, "layout", ctxMap); err != nil {
c.String(status, http.StatusText(status))
}
}
// Adapters so bootstrap can wire these without lambdas everywhere.
func NoRoute(sessions *scs.SessionManager) gin.HandlerFunc {
return func(c *gin.Context) { RenderStatus(c, sessions, http.StatusNotFound) }
}
func NoMethod(sessions *scs.SessionManager) gin.HandlerFunc {
return func(c *gin.Context) { RenderStatus(c, sessions, http.StatusMethodNotAllowed) }
}
func Recovery(sessions *scs.SessionManager) gin.RecoveryFunc {
return func(c *gin.Context, rec interface{}) {
RenderStatus(c, sessions, http.StatusInternalServerError)
}
}