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Code Issues Packages Projects Releases Wiki Activity

fix API link header (#7298)

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This commit is contained in:
Lunny Xiao
2019-06-26 16:51:32 +08:00
committed by GitHub
parent 5908bb1030
commit 42729b7562
2 changed files with 85 additions and 7 deletions
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41
modules/context/api.go
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@@ -7,6 +7,7 @@ package context
import (
"fmt"
"net/url"
"strings"
"github.com/go-macaron/csrf"
@@ -77,23 +78,49 @@ func (ctx *APIContext) Error(status int, title string, obj interface{}) {
})
}
// SetLinkHeader sets pagination link header by given total number and page size.
func (ctx *APIContext) SetLinkHeader(total, pageSize int) {
page := NewPagination(total, pageSize, ctx.QueryInt("page"), 0)
func genAPILinks(curURL *url.URL, total, pageSize, curPage int) []string {
page := NewPagination(total, pageSize, curPage, 0)
paginater := page.Paginater
links := make([]string, 0, 4)
if paginater.HasNext() {
links = append(links, fmt.Sprintf("<%s%s?page=%d>; rel=\"next\"", setting.AppURL, ctx.Req.URL.Path[1:], paginater.Next()))
u := *curURL
queries := u.Query()
queries.Set("page", fmt.Sprintf("%d", paginater.Next()))
u.RawQuery = queries.Encode()
links = append(links, fmt.Sprintf("<%s%s>; rel=\"next\"", setting.AppURL, u.RequestURI()[1:]))
}
if !paginater.IsLast() {
links = append(links, fmt.Sprintf("<%s%s?page=%d>; rel=\"last\"", setting.AppURL, ctx.Req.URL.Path[1:], paginater.TotalPages()))
u := *curURL
queries := u.Query()
queries.Set("page", fmt.Sprintf("%d", paginater.TotalPages()))
u.RawQuery = queries.Encode()
links = append(links, fmt.Sprintf("<%s%s>; rel=\"last\"", setting.AppURL, u.RequestURI()[1:]))
}
if !paginater.IsFirst() {
links = append(links, fmt.Sprintf("<%s%s?page=1>; rel=\"first\"", setting.AppURL, ctx.Req.URL.Path[1:]))
u := *curURL
queries := u.Query()
queries.Set("page", "1")
u.RawQuery = queries.Encode()
links = append(links, fmt.Sprintf("<%s%s>; rel=\"first\"", setting.AppURL, u.RequestURI()[1:]))
}
if paginater.HasPrevious() {
links = append(links, fmt.Sprintf("<%s%s?page=%d>; rel=\"prev\"", setting.AppURL, ctx.Req.URL.Path[1:], paginater.Previous()))
u := *curURL
queries := u.Query()
queries.Set("page", fmt.Sprintf("%d", paginater.Previous()))
u.RawQuery = queries.Encode()
links = append(links, fmt.Sprintf("<%s%s>; rel=\"prev\"", setting.AppURL, u.RequestURI()[1:]))
}
return links
}
// SetLinkHeader sets pagination link header by given total number and page size.
func (ctx *APIContext) SetLinkHeader(total, pageSize int) {
links := genAPILinks(ctx.Req.URL, total, pageSize, ctx.QueryInt("page"))
if len(links) > 0 {
ctx.Header().Set("Link", strings.Join(links, ","))