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Diffstat (limited to '')
-rw-r--r-- | modules/util/paginate.go | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/modules/util/paginate.go b/modules/util/paginate.go new file mode 100644 index 0000000..87f31b7 --- /dev/null +++ b/modules/util/paginate.go @@ -0,0 +1,33 @@ +// Copyright 2021 The Gitea Authors. All rights reserved. +// SPDX-License-Identifier: MIT + +package util + +import "reflect" + +// PaginateSlice cut a slice as per pagination options +// if page = 0 it do not paginate +func PaginateSlice(list any, page, pageSize int) any { + if page <= 0 || pageSize <= 0 { + return list + } + if reflect.TypeOf(list).Kind() != reflect.Slice { + return list + } + + listValue := reflect.ValueOf(list) + + page-- + + if page*pageSize >= listValue.Len() { + return listValue.Slice(listValue.Len(), listValue.Len()).Interface() + } + + listValue = listValue.Slice(page*pageSize, listValue.Len()) + + if listValue.Len() > pageSize { + return listValue.Slice(0, pageSize).Interface() + } + + return listValue.Interface() +} |