Merge pull request #10 from BoyWithSilverWings/feature/markdown-comment

Add fn for create comment

demo/test-file.md

@@ -3,9 +3,8 @@ title: Just hack'n
 description: Nothing to see here
 ogImage:
   title: Generating *open graph* images with Github Actions
-  subtitle: Works with Markdown files
+  subtitle: Images for your blog
   imageUrl: "🥳"
-  background: "linear-gradient(to right, #000428, #004e92)"
   filename: this-file
 ---
 

src/comment-markdown.ts

@@ -0,0 +1,11 @@
+import { USER_REPO, GITHUB_HEAD_REF } from "./constants";
+
+function commentMarkdown(path: string) {
+  const [owner, repo] = USER_REPO;
+
+  return `Your open graph image is ready:
+![](https://github.com/${owner}/${repo}/raw/${GITHUB_HEAD_REF}/${path}.jpg)
+  `;
+}
+
+export default commentMarkdown;

src/create-comment.ts

@@ -0,0 +1,17 @@
+import getPrNumber from "./get-pr-number";
+import { USER_REPO } from "./constants";
+import octokit from "./github-api";
+
+const createComment = async body => {
+  const [owner, repo] = USER_REPO;
+  const prNumber = getPrNumber();
+
+  return octokit.issues.createComment({
+    owner,
+    repo,
+    issue_number: prNumber,
+    body
+  });
+};
+
+export default createComment;

src/find-file.ts

@@ -3,14 +3,10 @@ import { readFileSync } from "fs";
 import { kebabCase } from "lodash";
 import { PullsListFilesResponseItem } from "@octokit/rest";
 
-import {
-  GITHUB_CONTEXT,
-  USER_REPO,
-  FORMATS,
-  REPO_DIRECTORY
-} from "./constants";
+import { USER_REPO, FORMATS, REPO_DIRECTORY } from "./constants";
 import octokit from "./github-api";
 import { IFrontMatter, IFileProps } from "./types";
+import getPrNumber from "./get-pr-number";
 
 /**
  * Get name of the file if provided by the user or title in kebab case
@@ -56,8 +52,8 @@ function getAttributes(files: PullsListFilesResponseItem[]): IFileProps[] {
  */
 async function findFile() {
   const [owner, repo] = USER_REPO;
-  const githubCtx: any = JSON.parse(GITHUB_CONTEXT as string);
-  const pullNumber = githubCtx.event.number;
+  const pullNumber = getPrNumber();
+
   const { data: filesList } = await octokit.pulls.listFiles({
     owner,
     repo,

src/get-pr-number.ts

@@ -0,0 +1,9 @@
+import { GITHUB_CONTEXT } from "./constants";
+
+function getPrNumber(): number {
+  const githubCtx: any = JSON.parse(GITHUB_CONTEXT as string);
+  const pullNumber = githubCtx.event.number;
+  return pullNumber;
+}
+
+export default getPrNumber;

src/main.ts

@@ -7,6 +7,8 @@ import commitFile from "./commit-file";
 import generateHtml from "./generate-html";
 import findFile from "./find-file";
 import getRepoProps from "./repo-props";
+import commentMarkdown from "./comment-markdown";
+import createComment from "./create-comment";
 
 if (!GITHUB_TOKEN) {
   console.log("You must enable the GITHUB_TOKEN secret");
@@ -42,6 +44,11 @@ async function run() {
     );
 
     commitFile(image, repoProps, property.filename);
+
+    const markdown = commentMarkdown(
+      `${repoProps.assetPath}${property.filename}`
+    );
+    await createComment(markdown);
   });
 }