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// Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package context
import (
"fmt"
"html/template"
"net/http"
"net/url"
"strings"
"code.gitea.io/gitea/modules/paginator"
)
// Pagination provides a pagination via paginator.Paginator and additional configurations for the link params used in rendering
type Pagination struct {
Paginater *paginator.Paginator
urlParams []string
}
// NewPagination creates a new instance of the Pagination struct.
// "pagingNum" is "page size" or "limit", "current" is "page"
// total=-1 means only showing prev/next
func NewPagination(total, pagingNum, current, numPages int) *Pagination {
p := &Pagination{}
p.Paginater = paginator.New(total, pagingNum, current, numPages)
return p
}
func (p *Pagination) WithCurRows(n int) *Pagination {
p.Paginater.SetCurRows(n)
return p
}
func (p *Pagination) AddParamFromQuery(q url.Values) {
for key, values := range q {
if key == "page" || len(values) == 0 || (len(values) == 1 && values[0] == "") {
continue
}
for _, value := range values {
urlParam := fmt.Sprintf("%s=%v", url.QueryEscape(key), url.QueryEscape(value))
p.urlParams = append(p.urlParams, urlParam)
}
}
}
func (p *Pagination) AddParamFromRequest(req *http.Request) {
p.AddParamFromQuery(req.URL.Query())
}
// GetParams returns the configured URL params
func (p *Pagination) GetParams() template.URL {
return template.URL(strings.Join(p.urlParams, "&"))
}
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