drone/internal/api/handler/pullreq/pr_diff.go

60 lines
1.6 KiB
Go

// Copyright 2022 Harness Inc. All rights reserved.
// Use of this source code is governed by the Polyform Free Trial License
// that can be found in the LICENSE.md file for this repository.
package pullreq
import (
"net/http"
"strings"
"github.com/harness/gitness/internal/api/controller/pullreq"
"github.com/harness/gitness/internal/api/render"
"github.com/harness/gitness/internal/api/request"
)
// HandleDiff returns raw git diff for PR.
func HandleDiff(pullreqCtrl *pullreq.Controller) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
session, _ := request.AuthSessionFrom(ctx)
repoRef, err := request.GetRepoRefFromPath(r)
if err != nil {
render.TranslatedUserError(w, err)
return
}
pullreqNumber, err := request.GetPullReqNumberFromPath(r)
if err != nil {
render.TranslatedUserError(w, err)
return
}
setSHAs := func(sourceSHA, mergeBaseSHA string) {
w.Header().Set("X-Source-Sha", sourceSHA)
w.Header().Set("X-Merge-Base-Sha", mergeBaseSHA)
}
if err = pullreqCtrl.RawDiff(ctx, session, repoRef, pullreqNumber, setSHAs, w); err != nil {
render.TranslatedUserError(w, err)
return
}
if strings.HasPrefix(r.Header.Get("Accept"), "text/plain") {
if err = pullreqCtrl.RawDiff(ctx, session, repoRef, pullreqNumber, setSHAs, w); err != nil {
render.TranslatedUserError(w, err)
}
return
}
stream, err := pullreqCtrl.Diff(ctx, session, repoRef, pullreqNumber)
if err != nil {
render.TranslatedUserError(w, err)
return
}
render.JSONArrayDynamic(ctx, w, stream)
}
}