harness-drone/remote/gitea/parse.go
2018-02-19 14:24:10 -08:00

121 lines
2.9 KiB
Go

// Copyright 2018 Drone.IO Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package gitea
import (
"io"
"net/http"
"github.com/drone/drone/model"
)
const (
hookEvent = "X-Gitea-Event"
hookPush = "push"
hookCreated = "create"
hookPullRequest = "pull_request"
actionOpen = "opened"
actionSync = "synchronize"
stateOpen = "open"
refBranch = "branch"
refTag = "tag"
)
// parseHook parses a Gitea hook from an http.Request request and returns
// Repo and Build detail. If a hook type is unsupported nil values are returned.
func parseHook(r *http.Request) (*model.Repo, *model.Build, error) {
switch r.Header.Get(hookEvent) {
case hookPush:
return parsePushHook(r.Body)
case hookCreated:
return parseCreatedHook(r.Body)
case hookPullRequest:
return parsePullRequestHook(r.Body)
}
return nil, nil, nil
}
// parsePushHook parses a push hook and returns the Repo and Build details.
// If the commit type is unsupported nil values are returned.
func parsePushHook(payload io.Reader) (*model.Repo, *model.Build, error) {
var (
repo *model.Repo
build *model.Build
)
push, err := parsePush(payload)
if err != nil {
return nil, nil, err
}
// is this even needed?
if push.RefType == refBranch {
return nil, nil, nil
}
repo = repoFromPush(push)
build = buildFromPush(push)
return repo, build, err
}
// parseCreatedHook parses a push hook and returns the Repo and Build details.
// If the commit type is unsupported nil values are returned.
func parseCreatedHook(payload io.Reader) (*model.Repo, *model.Build, error) {
var (
repo *model.Repo
build *model.Build
)
push, err := parsePush(payload)
if err != nil {
return nil, nil, err
}
if push.RefType != refTag {
return nil, nil, nil
}
repo = repoFromPush(push)
build = buildFromTag(push)
return repo, build, err
}
// parsePullRequestHook parses a pull_request hook and returns the Repo and Build details.
func parsePullRequestHook(payload io.Reader) (*model.Repo, *model.Build, error) {
var (
repo *model.Repo
build *model.Build
)
pr, err := parsePullRequest(payload)
if err != nil {
return nil, nil, err
}
// Don't trigger builds for non-code changes, or if PR is not open
if pr.Action != actionOpen && pr.Action != actionSync {
return nil, nil, nil
}
if pr.PullRequest.State != stateOpen {
return nil, nil, nil
}
repo = repoFromPullRequest(pr)
build = buildFromPullRequest(pr)
return repo, build, err
}