1 files changed, 103 insertions, 0 deletions
diff --git a/nexus/utils/shortcuts/render.go b/nexus/utils/shortcuts/render.go
new file mode 100644
index 0000000..5f3678f
--- /dev/null
+++ b/nexus/utils/shortcuts/render.go
@@ -0,0 +1,103 @@
+package shortcuts
+
+import (
+	"maps"
+	"nexus/utils/collections"
+	"reflect"
+	"strings"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func Render(context *fiber.Ctx, templateName string, data any) error {
+	templateData := make(collections.Record[string, any])
+
+	if flash := ConsumeFlash(context); flash != nil {
+		maps.Copy(templateData, flash)
+	}
+
+	mergeContextValues(context, templateData)
+
+	if data != nil {
+		if mergeError := mergeBindData(templateData, data); mergeError != nil {
+			return mergeError
+		}
+	}
+
+	return context.Render(templateName, templateData)
+}
+
+func RenderWithStatus(context *fiber.Ctx, templateName string, data any, statusCode int) error {
+	context.Status(statusCode)
+	return Render(context, templateName, data)
+}
+
+func NoContent(context *fiber.Ctx) error {
+	return context.SendStatus(fiber.StatusNoContent)
+}
+
+func mergeContextValues(context *fiber.Ctx, target collections.Record[string, any]) {
+	context.Context().VisitUserValuesAll(func(key any, value any) {
+		switch typedKey := key.(type) {
+		case string:
+			if typedKey != "" {
+				target[typedKey] = value
+			}
+		case []byte:
+			if len(typedKey) > 0 {
+				target[string(typedKey)] = value
+			}
+		}
+	})
+}
+
+func mergeBindData(target collections.Record[string, any], data any) error {
+	normalized, err := normalizeToMap(data)
+	if err != nil {
+		return err
+	}
+	maps.Copy(target, normalized)
+	return nil
+}
+
+func normalizeToMap(data any) (collections.Record[string, any], error) {
+	switch v := data.(type) {
+	case collections.Record[string, any]:
+		return v, nil
+	default:
+		return convertStructToMap(data)
+	}
+}
+
+func convertStructToMap(data any) (collections.Record[string, any], error) {
+	v := reflect.ValueOf(data)
+	if v.Kind() == reflect.Pointer {
+		v = v.Elem()
+	}
+	if v.Kind() != reflect.Struct {
+		return nil, fiber.NewError(fiber.StatusInternalServerError, UnsupportedBindType)
+	}
+
+	t := v.Type()
+	result := make(collections.Record[string, any], t.NumField())
+
+	for i := range t.NumField() {
+		field := t.Field(i)
+		if !field.IsExported() {
+			continue
+		}
+
+		key := field.Name
+		if tag := field.Tag.Get("json"); tag != "" && tag != "-" {
+			if idx := strings.IndexByte(tag, ','); idx > 0 {
+				key = tag[:idx]
+			} else if idx < 0 {
+				key = tag
+			}
+		}
+
+		result[key] = v.Field(i).Interface()
+	}
+
+	return result, nil
+}