Add support for fetching labels from pull requests in github,gitlab and gitea

Author: takirala

scm/driver/gitea/pr.go

@@ -95,6 +95,9 @@ type pr struct {
 	Merged     bool       `json:"merged"`
 	Created    time.Time  `json:"created_at"`
 	Updated    time.Time  `json:"updated_at"`
+	Labels     []struct {
+		Name string `json:"name"`
+	} `json:"labels"`
 }
 
 type reference struct {
@@ -123,6 +126,10 @@ func convertPullRequests(src []*pr) []*scm.PullRequest {
 }
 
 func convertPullRequest(src *pr) *scm.PullRequest {
+	var labels []string
+	for _, label := range src.Labels {
+		labels = append(labels, label.Name)
+	}
 	return &scm.PullRequest{
 		Number:  src.Number,
 		Title:   src.Title,
@@ -138,6 +145,7 @@ func convertPullRequest(src *pr) *scm.PullRequest {
 		Merged:  src.Merged,
 		Created: src.Created,
 		Updated: src.Updated,
+		Labels:  labels,
 	}
 }
 

scm/driver/github/pr.go

@@ -96,6 +96,9 @@ type pr struct {
 	MergedAt  null.String `json:"merged_at"`
 	CreatedAt time.Time   `json:"created_at"`
 	UpdatedAt time.Time   `json:"updated_at"`
+	Labels    []struct {
+		Name string `json:"name"`
+	} `json:"labels"`
 }
 
 type prInput struct {
@@ -123,6 +126,10 @@ func convertPullRequestList(from []*pr) []*scm.PullRequest {
 }
 
 func convertPullRequest(from *pr) *scm.PullRequest {
+	var labels []string
+	for _, label := range from.Labels {
+		labels = append(labels, label.Name)
+	}
 	return &scm.PullRequest{
 		Number: from.Number,
 		Title:  from.Title,
@@ -151,6 +158,7 @@ func convertPullRequest(from *pr) *scm.PullRequest {
 		},
 		Created: from.CreatedAt,
 		Updated: from.UpdatedAt,
+		Labels:  labels,
 	}
 }
 

scm/driver/gitlab/pr.go

@@ -109,6 +109,7 @@ type pr struct {
 	Created      time.Time `json:"created_at"`
 	Updated      time.Time `json:"updated_at"`
 	Closed       time.Time
+	Labels       []string `json:"labels"`
 }
 
 type changes struct {
@@ -150,6 +151,7 @@ func convertPullRequest(from *pr) *scm.PullRequest {
 		},
 		Created: from.Created,
 		Updated: from.Updated,
+		Labels:  from.Labels,
 	}
 }
 

scm/pr.go

@@ -28,6 +28,7 @@ type (
 		Author  User
 		Created time.Time
 		Updated time.Time
+		Labels  []string
 	}
 
 	// PullRequestInput provides the input fields required for creating a pull request.