From f0b3d34c05d99bb088214bb1ad57520795cf6a5d Mon Sep 17 00:00:00 2001
From: Nikita Tokarchuk <nikita@tokarch.uk>
Date: Fri, 3 Dec 2021 03:01:48 +0100
Subject: [PATCH] Add not-found error handler

---
 frontend/content/error.go     |  2 ++
 frontend/renderer/error.go    | 14 ++++++++++++++
 frontend/renderer/renderer.go |  1 +
 3 files changed, 17 insertions(+)
 create mode 100644 frontend/renderer/error.go

diff --git a/frontend/content/error.go b/frontend/content/error.go
index b170e46..5cf53d8 100644
--- a/frontend/content/error.go
+++ b/frontend/content/error.go
@@ -3,4 +3,6 @@ package content
 // Error content data
 type Error struct {
 	_ interface{} `template:"error.go.tmpl"`
+
+	Message string
 }
diff --git a/frontend/renderer/error.go b/frontend/renderer/error.go
new file mode 100644
index 0000000..9e7a183
--- /dev/null
+++ b/frontend/renderer/error.go
@@ -0,0 +1,14 @@
+package renderer
+
+import (
+	"code.tokarch.uk/mainnika/nikita-tokarch-uk/frontend/content"
+	routing "github.com/jackwhelpton/fasthttp-routing/v2"
+)
+
+// errorNotFound renders http error-404 template
+func (r *Renderer) errorNotFound(c *routing.Context) (err error) {
+
+	errorContent := content.Error{Message: "not found"}
+
+	return c.Write(errorContent)
+}
diff --git a/frontend/renderer/renderer.go b/frontend/renderer/renderer.go
index 41b1449..79313d5 100644
--- a/frontend/renderer/renderer.go
+++ b/frontend/renderer/renderer.go
@@ -29,6 +29,7 @@ func (r *Renderer) init() {
 	router := routing.New()
 
 	router.Use(r.useTemplateWriter)
+	router.NotFound(r.errorNotFound)
 
 	r.router = router
 	r.handler = router.HandleRequest