Stack of changes to get gin, scs, nosurf running.

internal/handlers/template/error.go

@@ -1,4 +1,5 @@
-package handlers
+// internal/handlers/template/error.go
+package templateHandler
 
 // ToDo not nessisarily an issue with this file but ✅ internal/handlers/template/
 //→ For anything that handles HTTP rendering (RenderError, RenderPage)
@@ -12,14 +13,44 @@ package handlers
 //Helpers / Utilities	Pure, stateless logic — e.g. template functions, math, formatters.	Shared logic, no config, no HTTP handlers.
 //Handlers	Own an HTTP concern — e.g. routes, rendering responses, returning templates or JSON.	Injected dependencies (cfg, db, etc.). Should use helpers, not vice versa.
 
+// ToDo: duplicated work of internal/http/error/errors.go?
 import (
+	"fmt"
 	"net/http"
+	"os"
 
 	templateHelpers "synlotto-website/internal/helpers/template"
+
+	"synlotto-website/internal/models"
+
+	"github.com/alexedwards/scs/v2"
+	"github.com/gin-gonic/gin"
 )
 
-// RenderError delegates to the helper's RenderError, ensuring handlers remain
-// the entry point for rendering HTTP responses.
-func (h *Handler) RenderError(w http.ResponseWriter, r *http.Request, statusCode int) {
-	templateHelpers.RenderError(w, r, statusCode)
+func RenderError(c *gin.Context, sessions *scs.SessionManager, status int) {
+	// Base context
+	ctx := templateHelpers.TemplateContext(c.Writer, c.Request, models.TemplateData{})
+
+	// Flash
+	if f := sessions.PopString(c.Request.Context(), "flash"); f != "" {
+		ctx["Flash"] = f
+	}
+
+	// Correct template paths
+	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", ctx); err != nil {
+		c.String(status, http.StatusText(status))
+		return
+	}
 }