// ParsePullRequestHook parses the pull request hook from the Request body
// and returns the required data in a standard format.
func (r *GitHub) ParsePullRequestHook(req *http.Request) (*model.Hook, error) {
// parse the payload to retrieve the pull-request
// hook meta-data.
var payload = GetPayload(req)
var data, err = github.ParsePullRequestHook(payload)
if err != nil {
return nil, err
}
// ignore these
if data.Action != "opened" && data.Action != "synchronize" {
return nil, nil
}
// TODO we should also store the pull request branch (ie from x to y)
// we can find it here: data.PullRequest.Head.Ref
var hook = model.Hook{
Owner: data.Repo.Owner.Login,
Repo: data.Repo.Name,
Sha: data.PullRequest.Head.Sha,
Branch: data.PullRequest.Head.Ref,
Author: data.PullRequest.User.Login,
Gravatar: data.PullRequest.User.GravatarId,
Timestamp: time.Now().UTC().String(),
Message: data.PullRequest.Title,
PullRequest: strconv.Itoa(data.Number),
}
if len(hook.Owner) == 0 {
hook.Owner = data.Repo.Owner.Name
}
return &hook, nil
}
func PullRequestHook(w http.ResponseWriter, r *http.Request) {
// get the payload of the message
// this should contain a json representation of the
// repository and commit details
payload := r.FormValue("payload")
println("GOT PR HOOK")
println(payload)
hook, err := github.ParsePullRequestHook([]byte(payload))
if err != nil {
RenderText(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
return
}
// ignore these
if hook.Action != "opened" && hook.Action != "synchronize" {
RenderText(w, http.StatusText(http.StatusOK), http.StatusOK)
return
}
// get the repo from the URL
repoId := r.FormValue("id")
// get the repo from the database, return error if not found
repo, err := database.GetRepoSlug(repoId)
if err != nil {
RenderText(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
return
}
// Get the user that owns the repository
user, err := database.GetUser(repo.UserID)
if err != nil {
RenderText(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
return
}
// Verify that the commit doesn't already exist.
// We should enver build the same commit twice.
_, err = database.GetCommitHash(hook.PullRequest.Head.Sha, repo.ID)
if err != nil && err != sql.ErrNoRows {
RenderText(w, http.StatusText(http.StatusBadGateway), http.StatusBadGateway)
return
}
///////////////////////////////////////////////////////
commit := &Commit{}
commit.RepoID = repo.ID
commit.Branch = hook.PullRequest.Head.Ref
commit.Hash = hook.PullRequest.Head.Sha
commit.Status = "Pending"
commit.Created = time.Now().UTC()
commit.Gravatar = hook.PullRequest.User.GravatarId
commit.PullRequest = strconv.Itoa(hook.Number)
commit.Message = hook.PullRequest.Title
// label := p.PullRequest.Head.Labe
// get the drone.yml file from GitHub
client := github.New(user.GithubToken)
content, err := client.Contents.FindRef(repo.Owner, repo.Name, ".drone.yml", commit.Hash) // TODO should this really be the hash??
if err != nil {
println(err.Error())
RenderText(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
return
}
// decode the content
raw, err := content.DecodeContent()
if err != nil {
RenderText(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
return
}
// parse the build script
buildscript, err := script.ParseBuild(raw)
if err != nil {
// TODO if the YAML is invalid we should create a commit record
// with an ERROR status so that the user knows why a build wasn't
// triggered in the system
RenderText(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
return
}
// save the commit to the database
if err := database.SaveCommit(commit); err != nil {
RenderText(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
return
}
// save the build to the database
build := &Build{}
build.Slug = "1" // TODO
build.CommitID = commit.ID
build.Created = time.Now().UTC()
build.Status = "Pending"
if err := database.SaveBuild(build); err != nil {
RenderText(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
return
}
// notify websocket that a new build is pending
// TODO we should, for consistency, just put this inside Queue.Add()
queue.Add(&queue.BuildTask{Repo: repo, Commit: commit, Build: build, Script: buildscript})
// OK!
RenderText(w, http.StatusText(http.StatusOK), http.StatusOK)
}