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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/concourse/atc"
"github.com/concourse/atc/api/present"
"github.com/concourse/atc/auth"
"github.com/concourse/atc/dbng"
)
func (s *Server) ListBuilds(w http.ResponseWriter, r *http.Request) {
logger := s.logger.Session("list-builds")
var (
err error
until int
since int
limit int
)
urlUntil := r.FormValue(atc.PaginationQueryUntil)
until, _ = strconv.Atoi(urlUntil)
urlSince := r.FormValue(atc.PaginationQuerySince)
since, _ = strconv.Atoi(urlSince)
urlLimit := r.FormValue(atc.PaginationQueryLimit)
limit, _ = strconv.Atoi(urlLimit)
if limit == 0 {
limit = atc.PaginationAPIDefaultLimit
}
page := dbng.Page{Until: until, Since: since, Limit: limit}
var builds []dbng.Build
var pagination dbng.Pagination
authTeam, authTeamFound := auth.GetTeam(r)
if authTeamFound {
var team dbng.Team
var found bool
team, found, err = s.teamFactory.FindTeam(authTeam.Name())
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
if !found {
w.WriteHeader(http.StatusInternalServerError)
return
}
builds, pagination, err = team.PrivateAndPublicBuilds(page)
} else {
builds, pagination, err = s.buildFactory.PublicBuilds(page)
}
if err != nil {
logger.Error("failed-to-get-all-builds", err)
w.WriteHeader(http.StatusInternalServerError)
return
}
if pagination.Next != nil {
s.addNextLink(w, *pagination.Next)
}
if pagination.Previous != nil {
s.addPreviousLink(w, *pagination.Previous)
}
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)
}
json.NewEncoder(w).Encode(atc)
}
func (s *Server) addNextLink(w http.ResponseWriter, page dbng.Page) {
w.Header().Add("Link", fmt.Sprintf(
`<%s/api/v1/builds?%s=%d&%s=%d>; rel="%s"`,
s.externalURL,
atc.PaginationQuerySince,
page.Since,
atc.PaginationQueryLimit,
page.Limit,
atc.LinkRelNext,
))
}
func (s *Server) addPreviousLink(w http.ResponseWriter, page dbng.Page) {
w.Header().Add("Link", fmt.Sprintf(
`<%s/api/v1/builds?%s=%d&%s=%d>; rel="%s"`,
s.externalURL,
atc.PaginationQueryUntil,
page.Until,
atc.PaginationQueryLimit,
page.Limit,
atc.LinkRelPrevious,
))
}