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list.go
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list.go
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package buildserver
import (
"encoding/json"
"fmt"
"net/http"
"strconv"
"github.com/pf-qiu/concourse/v6/atc"
"github.com/pf-qiu/concourse/v6/atc/api/accessor"
"github.com/pf-qiu/concourse/v6/atc/api/present"
"github.com/pf-qiu/concourse/v6/atc/db"
)
func (s *Server) ListBuilds(w http.ResponseWriter, r *http.Request) {
logger := s.logger.Session("list-builds")
var (
err error
from int
to int
)
page := db.Page{}
urlLimit := r.FormValue(atc.PaginationQueryLimit)
page.Limit, _ = strconv.Atoi(urlLimit)
if page.Limit == 0 {
page.Limit = atc.PaginationAPIDefaultLimit
}
urlFrom := r.FormValue(atc.PaginationQueryFrom)
if urlFrom != "" {
from, _ = strconv.Atoi(urlFrom)
page.From = db.NewIntPtr(from)
}
urlTo := r.FormValue(atc.PaginationQueryTo)
if urlTo != "" {
to, _ = strconv.Atoi(urlTo)
page.To = db.NewIntPtr(to)
}
timestamps := r.FormValue(atc.PaginationQueryTimestamps)
if timestamps != "" {
page.UseDate = true
}
var builds []db.Build
var pagination db.Pagination
acc := accessor.GetAccessor(r)
if acc.IsAdmin() {
builds, pagination, err = s.buildFactory.AllBuilds(page)
} else {
builds, pagination, err = s.buildFactory.VisibleBuilds(acc.TeamNames(), page)
}
if err != nil {
logger.Error("failed-to-get-all-builds", err)
w.WriteHeader(http.StatusInternalServerError)
return
}
if pagination.Older != nil {
s.addNextLink(w, *pagination.Older)
}
if pagination.Newer != nil {
s.addPreviousLink(w, *pagination.Newer)
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
atc := make([]atc.Build, len(builds))
for i := 0; i < len(builds); i++ {
build := builds[i]
atc[i] = present.Build(build)
}
err = json.NewEncoder(w).Encode(atc)
if err != nil {
logger.Error("failed-to-encode-builds", err)
w.WriteHeader(http.StatusInternalServerError)
}
}
func (s *Server) addNextLink(w http.ResponseWriter, page db.Page) {
w.Header().Add("Link", fmt.Sprintf(
`<%s/api/v1/builds?%s=%d&%s=%d>; rel="%s"`,
s.externalURL,
atc.PaginationQueryTo,
*page.To,
atc.PaginationQueryLimit,
page.Limit,
atc.LinkRelNext,
))
}
func (s *Server) addPreviousLink(w http.ResponseWriter, page db.Page) {
w.Header().Add("Link", fmt.Sprintf(
`<%s/api/v1/builds?%s=%d&%s=%d>; rel="%s"`,
s.externalURL,
atc.PaginationQueryFrom,
*page.From,
atc.PaginationQueryLimit,
page.Limit,
atc.LinkRelPrevious,
))
}