Create or update issue comments.

Author: tasdomas

src/cml.js

@@ -163,7 +163,7 @@ class CML {
     const triggerSha = await this.triggerSha();
     const {
       commitSha: inCommitSha = triggerSha,
-      // issue: issueId,
+      issue: issueId,
       rmWatermark,
       update,
       pr,
@@ -267,6 +267,23 @@ class CML {
         return body.includes('watermark.svg');
       });
     };
+    // Create or update an issue comment.
+    if (issueId) {
+      if (update) {
+        comment = updatableComment(await drv.issueComments({ issueId }));
+
+        if (comment)
+          return await drv.issueCommentUpdate({
+            report,
+            id: comment.id,
+            issueId
+          });
+      }
+      return await drv.issueCommentCreate({
+        report,
+        issueId
+      });
+    }
 
     const isBB = this.driver === BB;
     if (pr || isBB) {

src/drivers/bitbucket_cloud.js

@@ -56,6 +56,18 @@ class BitbucketCloud {
     ).links.html.href;
   }
 
+  async issueComments(opts = {}) {
+    const { projectPath } = this;
+    const { issueId } = opts;
+
+    const endpoint = `/repositories/${projectPath}/issues/${issueId}/comments/`;
+    return (await this.paginatedRequest({ endpoint, method: 'GET' })).map(
+      ({ id, content: { raw: body = '' } = {} }) => {
+        return { id, body };
+      }
+    );
+  }
+
   async commentCreate(opts = {}) {
     const { projectPath } = this;
     const { commitSha, report } = opts;

src/drivers/github.js

@@ -574,6 +574,22 @@ class Github {
     return htmlUrl;
   }
 
+  async issueComments(opts = {}) {
+    const { issueId } = opts;
+    const { owner, repo } = ownerRepo({ uri: this.repo });
+    const { issues } = octokit(this.token, this.repo);
+
+    const { data: comments } = await issues.listComments({
+      owner,
+      repo,
+      issue_number: issueId
+    });
+
+    return comments.map(({ id, body }) => {
+      return { id, body };
+    });
+  }
+
   async prCommentCreate(opts = {}) {
     const { report: body, prNumber } = opts;
     const { owner, repo } = ownerRepo({ uri: this.repo });

src/drivers/gitlab.js

@@ -363,6 +363,22 @@ class Gitlab {
     return `${this.repo}/-/issues/${issueId}#note_${id}`;
   }
 
+  async issueComments(opts = {}) {
+    const projectPath = await this.projectPath();
+    const { issueId } = opts;
+
+    const endpoint = `/projects/${projectPath}/issues/${issueId}/notes`;
+
+    const comments = await this.request({
+      endpoint,
+      method: 'GET'
+    });
+
+    return comments.map(({ id, body }) => {
+      return { id, body };
+    });
+  }
+
   async prCommentCreate(opts = {}) {
     const projectPath = await this.projectPath();
     const { report, prNumber } = opts;