Implement custom error handling and templates for HTTP responses

1 files changed, 62 insertions, 0 deletions

diff --git a/controllers/errors.go b/controllers/errors.go
new file mode 100644
index 0000000..ba0e9df
--- /dev/null
+++ b/controllers/errors.go
@@ -0,0 +1,62 @@
+package controllers
+
+import (
+	"cafe/types"
+	"cafe/utils/shortcuts"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func BadRequest(context *fiber.Ctx, err error) error {
+	return shortcuts.RenderError(types.TemplateError{
+		Context:      context,
+		PageTitle:    "400 – Bad Request",
+		ErrorMessage: shortcuts.BuildErrorMessage(err, "The request could not be understood by the server."),
+		StatusCode:   fiber.StatusBadRequest,
+	})
+}
+
+func DefaultError(context *fiber.Ctx, err error) error {
+	return shortcuts.RenderError(types.TemplateError{
+		Context:      context,
+		PageTitle:    "Error",
+		ErrorMessage: shortcuts.BuildErrorMessage(err, "An error occurred while processing your request."),
+		StatusCode:   fiber.StatusInternalServerError,
+	})
+}
+
+func Forbidden(context *fiber.Ctx, err error) error {
+	return shortcuts.RenderError(types.TemplateError{
+		Context:      context,
+		PageTitle:    "403 – Forbidden",
+		ErrorMessage: shortcuts.BuildErrorMessage(err, "You do not have permission to access this resource."),
+		StatusCode:   fiber.StatusForbidden,
+	})
+}
+
+func InternalServerError(context *fiber.Ctx, err error) error {
+	return shortcuts.RenderError(types.TemplateError{
+		Context:      context,
+		PageTitle:    "500 – Internal Server Error",
+		ErrorMessage: shortcuts.BuildErrorMessage(err, "An unexpected error occurred on the server."),
+		StatusCode:   fiber.StatusInternalServerError,
+	})
+}
+
+func NotFound(context *fiber.Ctx, err error) error {
+	return shortcuts.RenderError(types.TemplateError{
+		Context:      context,
+		PageTitle:    "404 – Not Found",
+		ErrorMessage: shortcuts.BuildErrorMessage(err, "The page you are looking for does not exist."),
+		StatusCode:   fiber.StatusNotFound,
+	})
+}
+
+func Unauthorized(context *fiber.Ctx, err error) error {
+	return shortcuts.RenderError(types.TemplateError{
+		Context:      context,
+		PageTitle:    "401 – Unauthorized",
+		ErrorMessage: shortcuts.BuildErrorMessage(err, "You must be logged in to access this resource."),
+		StatusCode:   fiber.StatusUnauthorized,
+	})
+}