PR Webhook - Add base/head info (#3547)

* messing with getting local go-gogs-client

* coding style fix

* added comments for required fields

models/pull.go

@@ -113,6 +113,8 @@ func (pr *PullRequest) LoadIssue() (err error) {
 
 // This method assumes following fields have been assigned with valid values:
 // Required - Issue
+// Required - HeadRepo
+// Required - BaseRepo
 // Optional - Merger
 func (pr *PullRequest) APIFormat() *api.PullRequest {
 	apiIssue := pr.Issue.APIFormat()
@@ -127,6 +129,10 @@ func (pr *PullRequest) APIFormat() *api.PullRequest {
 		Assignee:   apiIssue.Assignee,
 		State:      apiIssue.State,
 		Comments:   apiIssue.Comments,
+		HeadBranch: pr.HeadBranch,
+		HeadRepo:   pr.HeadRepo.APIFormat(nil),
+		BaseBranch: pr.BaseBranch,
+		BaseRepo:   pr.BaseRepo.APIFormat(nil),
 		HTMLURL:    pr.Issue.HTMLURL(),
 		HasMerged:  pr.HasMerged,
 	}