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Tim Schrodi
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Apr 1, 2020
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| // Copyright 2020 Copyright (c) 2020 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
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| package pagination | ||
|
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||
| import ( | ||
| "github.com/gardener/test-infra/pkg/common" | ||
| "net/url" | ||
| "sort" | ||
| "strconv" | ||
| ) | ||
|
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| type Interface interface { | ||
| sort.Interface | ||
| GetPaginatedList(from, to int) Interface | ||
| } | ||
|
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| type Pages struct { | ||
| Pages []Page | ||
| Current int | ||
| ItemCount int | ||
| } | ||
|
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| type Page struct { | ||
| From int | ||
| To int | ||
| } | ||
|
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| const itemsPerPage = 50 | ||
|
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| // SliceFromValues slices the given list into the values gathered form the url values | ||
| func SliceFromValues(list Interface, values url.Values) (Interface, Pages) { | ||
| sort.Sort(list) | ||
| if list.Len() < itemsPerPage { | ||
| return list, Pages{Pages: []Page{}, Current: 0, ItemCount: list.Len()} | ||
| } | ||
|
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| indexLength := list.Len() - 1 | ||
|
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| pages := Pages{Pages: []Page{}, Current: 0, ItemCount: list.Len()} | ||
| for i := 0; i < (pages.ItemCount / itemsPerPage); i++ { | ||
| from := i * itemsPerPage | ||
| to := from + itemsPerPage - 1 | ||
| if to > indexLength { | ||
| to = indexLength | ||
| } | ||
| pages.Pages = append(pages.Pages, Page{ | ||
| From: from, | ||
| To: to, | ||
| }) | ||
| } | ||
|
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| fromString, ok := values[common.DashboardPaginationFrom] | ||
| if !ok { | ||
| return list.GetPaginatedList(0, itemsPerPage), pages | ||
| } | ||
|
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| toString, ok := values[common.DashboardPaginationTo] | ||
| if !ok { | ||
| return list.GetPaginatedList(0, itemsPerPage), pages | ||
| } | ||
|
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| from, err := strconv.Atoi(fromString[0]) | ||
| if err != nil { | ||
| return list.GetPaginatedList(0, itemsPerPage), pages | ||
| } | ||
| to, err := strconv.Atoi(toString[0]) | ||
| if err != nil { | ||
| return list.GetPaginatedList(0, itemsPerPage), pages | ||
| } | ||
|
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| pages.Current = from / itemsPerPage | ||
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| return list.GetPaginatedList(from, to), pages | ||
| } |
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