new-spec-release.yml

name: Push new spec to the website because of new spec release

on:
  release:
    types:
      - published

jobs:
  Make-PR:
    name: Make PR on website repository with latest spec release
    runs-on: ubuntu-latest
    env:
      GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
    steps:
      - name: Checkout Current repository
        uses: actions/checkout@v3
        with:
          path: spec
          ref: ${{ github.event.release.target_commitish }}
      - name: Checkout Another repository
        uses: actions/checkout@v3
        with:
          repository: asyncapi/website
          path: website
          token: ${{ env.GITHUB_TOKEN }}
      - name: Config git
        run: |
          git config --global user.name asyncapi-bot
          git config --global user.email info@asyncapi.io
      - name: Create branch
        working-directory: ./website
        run: |
          git checkout -b spec-release-${{github.event.release.tag_name}}
      - name: Check for previous spec file and remove it
        uses: actions/github-script@v6
        with:
          github-token: ${{ env.GITHUB_TOKEN }}
          script: |
            const fs = require("fs");

            const specFiles = fs.readdirSync("./website/pages/docs/reference/specification");

            const nextRelease = `${{github.event.release.tag_name}}`;
            const prefixRelease = nextRelease.split("-")[0];

            for (const filename of specFiles) {
              if (filename.startsWith(prefixRelease)) {
                fs.unlinkSync(`./website/pages/docs/reference/specification/${filename}`);
              }
            }
      - name: Copy Spec file from Current Repo to Another
        working-directory: ./website
        run: |
          cp ../spec/spec/asyncapi.md ./pages/docs/reference/specification/${{github.event.release.tag_name}}.md
      - name: Remove Table of Contents from Spec
        uses: actions/github-script@v6
        with:
          github-token: ${{ env.GITHUB_TOKEN }}
          script: |
            const script = require('./spec/.github/scripts/remove-toc');
            script(`${{github.event.release.tag_name}}`);
      - name: Change the redirect file to point to latest spec
        uses: actions/github-script@v6
        if: ${{github.event.release.prerelease == false}}
        with:
          github-token: ${{ env.GITHUB_TOKEN }}
          script: |
            const fs = require("fs");

            const startingLine = "# LATEST-SPEC-REDIRECTION:START\n";
            const endingLine = "# LATEST-SPEC-REDIRECTION:END";

            const releaseVersion = `${{github.event.release.tag_name}}`;
            const redirectLine = `/docs/reference/specification/latest /docs/reference/specification/${releaseVersion} 302!\n`;

            const redirectFile = fs.readFileSync("./website/public/_redirects", "utf-8");

            const startingIndex = redirectFile.indexOf(startingLine);
            const endingIndex = redirectFile.indexOf(endingLine);

            if (startingIndex === -1 || endingIndex === -1) {
              console.log("NOT FOUND");
              return;
            }

            const firstHalf = redirectFile.slice(0, startingIndex + startingLine.length);
            const secondHalf = redirectFile.slice(endingIndex);

            const newRedirect = `${firstHalf}${redirectLine}${secondHalf}`;

            fs.writeFileSync("./website/public/_redirects", newRedirect);
      - name: Remove previous pre-release redirects in case of a new release
        uses: actions/github-script@v6
        with:
          github-token: ${{ env.GITHUB_TOKEN }}
          script: |
            const fs = require("fs");

            const startingLine = "# SPEC-REDIRECTION:START\n";
            const endingLine = "# SPEC-REDIRECTION:END\n";

            const releaseVersion = `${{github.event.release.tag_name}}`;

            if(!releaseVersion.startsWith('v')) return;

            const releaseVersionWithoutV = releaseVersion.slice(1).split("-")[0];

            const redirectFile = fs.readFileSync("./website/public/_redirects", "utf-8");

            const startingIndex = redirectFile.indexOf(startingLine);
            const endingIndex = redirectFile.indexOf(endingLine);

            if (startingIndex === -1 || endingIndex === -1) {
              console.log("NOT FOUND");
              return;
            }

            const firstHalf = redirectFile.slice(0, startingIndex + startingLine.length);
            const middle = redirectFile.slice(startingIndex + startingLine.length, endingIndex);
            const secondHalf = redirectFile.slice(endingIndex);

            const middleWithoutPreviousPreReleaseRedirects = middle.split("\n").filter(value => !value.includes(releaseVersionWithoutV)).join("\n");

            const newRedirect = `${firstHalf}${middleWithoutPreviousPreReleaseRedirects}${secondHalf}`;

            fs.writeFileSync("./website/public/_redirects", newRedirect);
      - name: Change the redirect file to point to specs
        uses: actions/github-script@v6
        with:
          github-token: ${{ env.GITHUB_TOKEN }}
          script: |
            const fs = require("fs");

            const startingLine = "# SPEC-REDIRECTION:START\n";

            const releaseVersion = `${{github.event.release.tag_name}}`;

            if(!releaseVersion.startsWith('v')) return;

            const releaseVersionWithoutV = releaseVersion.slice(1);

            const redirectLine = `/docs/reference/specification/${releaseVersionWithoutV} /docs/reference/specification/${releaseVersion} 302!\n`;

            const redirectFile = fs.readFileSync("./website/public/_redirects", "utf-8");

            const startingIndex = redirectFile.indexOf(startingLine);

            if (startingIndex === -1) {
              console.log("NOT FOUND");
              return;
            }

            const firstHalf = redirectFile.slice(0, startingIndex + startingLine.length);
            const secondHalf = redirectFile.slice(startingIndex + startingLine.length);

            const newRedirect = `${firstHalf}${redirectLine}${secondHalf}`;

            fs.writeFileSync("./website/public/_redirects", newRedirect);
      - name: Commit and push
        working-directory: ./website
        run: |
          git add .
          git commit -m "docs(spec): ${{github.event.release.tag_name}} release"
          git push https://${{ env.GITHUB_TOKEN }}@github.com/asyncapi/website
      - name: Create PR
        working-directory: ./website
        run: |
          gh pr create --title "docs(spec): ${{github.event.release.tag_name}} release" --body "New version of the specification is available and this PR introduces update to specification document on the website" --head "spec-release-${{github.event.release.tag_name}}"