[IAC-941]: PR comment creation for BitBucket (#265)

BitBucket doesn't implement support for PR comments or issues comments.

The current implementation of "pullService" in BitBucket defers to the implementation of "issueService", which itself returns a "not implemented" error for all comment-related calls.

PR comments and issue comments are separate in BitBucket so this commit adds explicit implementations of the comment functions to the "pullService". Most remain "not implemented" with the exception of comment creation which is now supported.

go.sum

@@ -1,17 +1,6 @@
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/h2non/gock v1.0.9 h1:17gCehSo8ZOgEsFKpQgqHiR7VLyjxdAG3lkhVvO9QZU=
 github.com/h2non/gock v1.0.9/go.mod h1:CZMcB0Lg5IWnr9bF79pPMg9WeV6WumxQiUJ1UvdO1iE=
 github.com/nbio/st v0.0.0-20140626010706-e9e8d9816f32 h1:W6apQkHrMkS0Muv8G/TipAy/FJl/rCYT0+EuS8+Z0z4=
 github.com/nbio/st v0.0.0-20140626010706-e9e8d9816f32/go.mod h1:9wM+0iRr9ahx58uYLpLIr5fm8diHn0JbqRycJi6w0Ms=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
-github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

scm/driver/bitbucket/bitbucket.go

@@ -36,7 +36,7 @@ func New(uri string) (*scm.Client, error) {
 	client.Issues = &issueService{client}
 	client.Milestones = &milestoneService{client}
 	client.Organizations = &organizationService{client}
-	client.PullRequests = &pullService{&issueService{client}}
+	client.PullRequests = &pullService{client}
 	client.Repositories = &repositoryService{client}
 	client.Releases = &releaseService{client}
 	client.Reviews = &reviewService{client}

scm/driver/bitbucket/pr.go

@@ -13,7 +13,7 @@ import (
 )
 
 type pullService struct {
-	*issueService
+	client *wrapper
 }
 
 func (s *pullService) Find(ctx context.Context, repo string, number int) (*scm.PullRequest, *scm.Response, error) {
@@ -69,6 +69,27 @@ func (s *pullService) Create(ctx context.Context, repo string, input *scm.PullRe
 	return convertPullRequest(out), res, err
 }
 
+func (s *pullService) FindComment(ctx context.Context, repo string, index, id int) (*scm.Comment, *scm.Response, error) {
+	return nil, nil, scm.ErrNotSupported
+}
+
+func (s *pullService) ListComments(ctx context.Context, repo string, index int, opts scm.ListOptions) ([]*scm.Comment, *scm.Response, error) {
+	return nil, nil, scm.ErrNotSupported
+}
+
+func (s *pullService) CreateComment(ctx context.Context, repo string, number int, input *scm.CommentInput) (*scm.Comment, *scm.Response, error) {
+	path := fmt.Sprintf("2.0/repositories/%s/pullrequests/%d/comments", repo, number)
+	in := &prCommentInput{}
+	in.Content.Raw = input.Body
+	out := new(prComment)
+	res, err := s.client.do(ctx, "POST", path, in, out)
+	return convertPullRequestComment(out), res, err
+}
+
+func (s *pullService) DeleteComment(ctx context.Context, repo string, number, id int) (*scm.Response, error) {
+	return nil, scm.ErrNotSupported
+}
+
 type reference struct {
 	Commit struct {
 		Hash  string `json:"hash"`
@@ -180,3 +201,18 @@ func convertPullRequest(from *pr) *scm.PullRequest {
 		Updated: from.UpdatedOn,
 	}
 }
+
+func convertPullRequestComment(from *prComment) *scm.Comment {
+	return &scm.Comment{
+		ID:   from.ID,
+		Body: from.Content.Raw,
+		Author: scm.User{
+			ID:     from.User.UUID,
+			Login:  from.User.Nickname,
+			Name:   from.User.DisplayName,
+			Avatar: from.User.Links.Avatar.Href,
+		},
+		Created: from.CreatedOn,
+		Updated: from.UpdatedOn,
+	}
+}

scm/driver/bitbucket/pr_test.go

@@ -175,3 +175,53 @@ func TestPullListCommits(t *testing.T) {
 		t.Log(diff)
 	}
 }
+
+func TestPullRequestCommentFind(t *testing.T) {
+	_, _, err := NewDefault().PullRequests.FindComment(context.Background(), "", 0, 0)
+	if err != scm.ErrNotSupported {
+		t.Errorf("Expect Not Supported error")
+	}
+}
+
+func TestPullRequestListComments(t *testing.T) {
+	_, _, err := NewDefault().PullRequests.ListComments(context.Background(), "", 0, scm.ListOptions{})
+	if err != scm.ErrNotSupported {
+		t.Errorf("Expect Not Supported error")
+	}
+}
+
+func TestPullRequestCreateComment(t *testing.T) {
+	defer gock.Off()
+
+	gock.New("https://api.bitbucket.org").
+		Post("/2.0/repositories/atlassian/atlaskit/pullrequests/12").
+		Reply(201).
+		Type("application/json").
+		File("testdata/prcomment.json")
+
+	input := &scm.CommentInput{
+		Body: "Lovely comment",
+	}
+
+	client, _ := New("https://api.bitbucket.org")
+	got, _, err := client.PullRequests.CreateComment(context.Background(), "atlassian/atlaskit", 12, input)
+	if err != nil {
+		t.Error(err)
+	}
+
+	want := new(scm.Comment)
+	raw, _ := ioutil.ReadFile("testdata/prcomment.json.golden")
+	json.Unmarshal(raw, want)
+
+	if diff := cmp.Diff(got, want); diff != "" {
+		t.Errorf("Unexpected Results")
+		t.Log(diff)
+	}
+}
+
+func TestPullRequestCommentDelete(t *testing.T) {
+	_, err := NewDefault().PullRequests.DeleteComment(context.Background(), "", 0, 0)
+	if err != scm.ErrNotSupported {
+		t.Errorf("Expect Not Supported error")
+	}
+}

scm/driver/bitbucket/testdata/prcomment.json

@@ -0,0 +1,52 @@
+{
+    "id": 419169807,
+    "created_on": "2023-08-14T11:38:53.460132+00:00",
+    "updated_on": "2023-08-14T11:38:53.460205+00:00",
+    "content": {
+        "type": "rendered",
+        "raw": "Lovely comment",
+        "markup": "markdown",
+        "html": "<p>Lovely comment<\/p>"
+    },
+    "user": {
+        "display_name": "Brian Jacobson",
+        "links": {
+            "self": {
+                "href": "https:\/\/bitbucket.org\/!api\/2.0\/users\/%7B6dff94-1b8b-4f62-b37f-3069e13dfdf33e%7D"
+            },
+            "avatar": {
+                "href": "http:\/\/localhost:3000\/avatars\/1"
+            },
+            "html": {
+                "href": "https:\/\/bitbucket.org\/%7B6dff94-1b8b-4f62-b37f-3069e13dfdf33e%7D\/"
+            }
+        },
+        "type": "user",
+        "uuid": "{6b408a94-1b8b-4f62-b37f-3069e13bc33e}",
+        "account_id": "60259ce8164527007100d945",
+        "nickname": "brian.jacobson"
+    },
+    "deleted": false,
+    "type": "pullrequest_comment",
+    "links": {
+        "self": {
+            "href": "https:\/\/bitbucket.org\/!api\/2.0\/repositories\/brianharness\/test\/pullrequests\/3\/comments\/419169807"
+        },
+        "html": {
+            "href": "https:\/\/bitbucket.org\/brianharness\/test\/pull-requests\/3\/_\/diff#comment-419169807"
+        }
+    },
+    "pullrequest": {
+        "type": "pullrequest",
+        "id": 3,
+        "title": "README.md edited online with Bitbucket",
+        "links": {
+            "self": {
+                "href": "https:\/\/bitbucket.org\/!api\/2.0\/repositories\/brianharness\/test\/pullrequests\/3"
+            },
+            "html": {
+                "href": "https:\/\/bitbucket.org\/brianharness\/test\/pull-requests\/3"
+            }
+        }
+    }
+}

scm/driver/bitbucket/testdata/prcomment.json.golden

@@ -0,0 +1,12 @@
+{
+    "ID": 419169807,
+    "Body": "Lovely comment",
+    "Author": {
+        "ID": "{6b408a94-1b8b-4f62-b37f-3069e13bc33e}",
+        "Login": "brian.jacobson",
+        "Name": "Brian Jacobson",
+        "Avatar": "http://localhost:3000/avatars/1"
+    },
+    "Created": "2023-08-14T11:38:53.460132+00:00",
+    "Updated": "2023-08-14T11:38:53.460205+00:00"
+}

scm/driver/bitbucket/webhook.go

@@ -405,6 +405,12 @@ type (
 		UUID string `json:"uuid"`
 	}
 
+	prCommentInput struct {
+		Content struct {
+			Raw string `json:"raw"`
+		} `json:"content"`
+	}
+
 	prComment struct {
 		Links struct {
 			Self link `json:"self"`