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zeekayandHanzo Dev
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Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
69 lines
1.9 KiB
Go
69 lines
1.9 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
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// SPDX-License-Identifier: MIT
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package context
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import (
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"fmt"
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"html/template"
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"math"
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"net/http"
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"net/url"
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"slices"
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"strings"
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"github.com/hanzoai/git/modules/container"
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"github.com/hanzoai/git/modules/paginator"
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)
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// Pagination provides a pagination via paginator.Paginator and additional configurations for the link params used in rendering
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type Pagination struct {
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Paginater *paginator.Paginator
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urlParams []string
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}
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// NewPagination creates a new instance of the Pagination struct.
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// "total" is usually from database result "count int64", so it also uses int64
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// "pagingNum" is "page size" or "limit", "current" is "page"
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// total=-1 means only showing prev/next
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func NewPagination(total int64, pagingNum, current, numPages int) *Pagination {
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totalInt := int(min(total, int64(math.MaxInt)))
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p := &Pagination{}
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p.Paginater = paginator.New(totalInt, pagingNum, current, numPages)
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return p
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}
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func (p *Pagination) WithUnlimitedPaging(curRows int, hasNext bool) *Pagination {
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p.Paginater.SetUnlimitedPaging(curRows, hasNext)
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return p
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}
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func (p *Pagination) AddParamFromQuery(q url.Values) {
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for key, values := range q {
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if key == "page" || len(values) == 0 || (len(values) == 1 && values[0] == "") {
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continue
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}
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for _, value := range values {
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urlParam := fmt.Sprintf("%s=%v", url.QueryEscape(key), url.QueryEscape(value))
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p.urlParams = append(p.urlParams, urlParam)
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}
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}
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}
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func (p *Pagination) AddParamFromRequest(req *http.Request) {
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p.AddParamFromQuery(req.URL.Query())
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}
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func (p *Pagination) RemoveParam(keys container.Set[string]) {
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p.urlParams = slices.DeleteFunc(p.urlParams, func(s string) bool {
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k, _, _ := strings.Cut(s, "=")
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k, _ = url.QueryUnescape(k)
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return keys.Contains(k)
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})
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}
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// GetParams returns the configured URL params
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func (p *Pagination) GetParams() template.URL {
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return template.URL(strings.Join(p.urlParams, "&"))
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}
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