Refactor entry validation

validator/entry.go

@@ -0,0 +1,40 @@
+// Copyright 2021 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package validator // import "miniflux.app/validator"
+
+import (
+	"fmt"
+
+	"miniflux.app/model"
+)
+
+// ValidateEntriesStatusUpdateRequest validates a status update for a list of entries.
+func ValidateEntriesStatusUpdateRequest(request *model.EntriesStatusUpdateRequest) error {
+	if len(request.EntryIDs) == 0 {
+		return fmt.Errorf(`The list of entries cannot be empty`)
+	}
+
+	return ValidateEntryStatus(request.Status)
+}
+
+// ValidateEntryStatus makes sure the entry status is valid.
+func ValidateEntryStatus(status string) error {
+	switch status {
+	case model.EntryStatusRead, model.EntryStatusUnread, model.EntryStatusRemoved:
+		return nil
+	}
+
+	return fmt.Errorf(`Invalid entry status, valid status values are: "%s", "%s" and "%s"`, model.EntryStatusRead, model.EntryStatusUnread, model.EntryStatusRemoved)
+}
+
+// ValidateEntryOrder makes sure the sorting order is valid.
+func ValidateEntryOrder(order string) error {
+	switch order {
+	case "id", "status", "changed_at", "published_at", "created_at", "category_title", "category_id":
+		return nil
+	}
+
+	return fmt.Errorf(`Invalid entry order, valid order values are: "id", "status", "changed_at", "published_at", "created_at", "category_title", "category_id"`)
+}