PR automation PoC (#1113)

* Automation PR comment

* Make updating comment

* Move to envs

* Use files again as truncated

* Add beta flag

Author: jonathanKingston

.github/scripts/diff-directories.js

@@ -0,0 +1,123 @@
+import fs from 'fs'
+import path from 'path'
+
+function readFilesRecursively (directory) {
+    const filenames = fs.readdirSync(directory)
+    const files = {}
+
+    filenames.forEach((filename) => {
+        const filePath = path.join(directory, filename)
+        const fileStats = fs.statSync(filePath)
+
+        if (fileStats.isDirectory()) {
+            const nestedFiles = readFilesRecursively(filePath)
+            for (const [nestedFilePath, nestedFileContent] of Object.entries(nestedFiles)) {
+                files[path.join(filename, nestedFilePath)] = nestedFileContent
+            }
+        } else {
+            files[filename] = fs.readFileSync(filePath, 'utf-8')
+        }
+    })
+
+    return files
+}
+
+function upperCaseFirstLetter (string) {
+    return string.charAt(0).toUpperCase() + string.slice(1)
+}
+
+function displayDiffs (dir1Files, dir2Files, isOpen) {
+    const rollupGrouping = {}
+    /**
+     * Rolls up multiple files with the same diff into a single entry
+     * @param {string} fileName 
+     * @param {string} string 
+     * @param {string} [summary]
+     */
+    function add(fileName, string, summary = undefined) {
+        if (summary === undefined) {
+            summary = string
+        }
+        if (!(summary in rollupGrouping)) {
+            rollupGrouping[summary] = { files: [] }
+        }
+        rollupGrouping[summary].files.push(fileName)
+        rollupGrouping[summary].string = string
+    }
+    for (const [filePath, fileContent] of Object.entries(dir1Files)) {
+        let diffOut = ''
+        let compareOut = undefined
+        if (filePath in dir2Files) {
+            const fileOut = fileContent
+            const file2Out = dir2Files[filePath]
+            delete dir2Files[filePath]
+            if (fileOut === file2Out) {
+                continue
+            } else {
+                compareOut = filePath.split('/')[0]
+                diffOut = `File has changed`
+            }
+        } else {
+            diffOut = '❌ File only exists in old changeset'
+            compareOut = 'Removed Files'
+        }
+        add(filePath, diffOut, compareOut)
+    }
+
+    for (const filePath of Object.keys(dir2Files)) {
+        add(filePath, '❌ File only exists in new changeset', 'New Files')
+    }
+    const outString = Object.keys(rollupGrouping).map(key => {
+        const rollup = rollupGrouping[key]
+        let outString = ''
+        let title = key
+        if (rollup.files.length) {
+            for (const file of rollup.files) {
+                outString += `- ${file}\n`
+            }
+        }
+        outString += '\n\n' + rollup.string
+        return renderDetails(title, outString, isOpen)
+    }).join('\n')
+    return outString
+}
+
+function renderDetails (section, text, isOpen) {
+    if (section == 'dist') {
+        section = 'apple'
+    }
+    const open = section !== 'integration' ? 'open' : ''
+    return `<details ${open}>
+<summary>${upperCaseFirstLetter(section)}</summary>
+${text}
+</details>`
+}
+
+if (process.argv.length !== 4) {
+    console.error('Usage: node diff_directories.js <directory1> <directory2>')
+    process.exit(1)
+}
+
+const dir1 = process.argv[2]
+const dir2 = process.argv[3]
+
+const sections = {
+}
+function sortFiles (dirFiles, dirName) {
+    for (const [filePath, fileContent] of Object.entries(dirFiles)) {
+        sections[dirName] = sections[dirName] || {}
+        sections[dirName][filePath] = fileContent
+    }
+}
+
+const buildDir = '/build'
+const sourcesOutput = '/Sources/ContentScopeScripts/'
+sortFiles(readFilesRecursively(dir1 + buildDir), 'dir1')
+sortFiles(readFilesRecursively(dir2 + buildDir), 'dir2')
+sortFiles(readFilesRecursively(dir1 + sourcesOutput), 'dir1')
+sortFiles(readFilesRecursively(dir2 + sourcesOutput), 'dir2')
+
+
+//console.log(Object.keys(files))
+const fileOut = displayDiffs(sections.dir1, sections.dir2, true)
+console.log(fileOut)

.github/workflows/auto-respond-pr.yml

@@ -0,0 +1,81 @@
+name: Auto Respond to PR
+
+on:
+    pull_request:
+      types: [opened, synchronize, closed, ready_for_review]
+
+jobs:
+  auto_respond:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout base branch
+        uses: actions/checkout@v3
+        with:
+          ref: ${{ github.event.pull_request.base.ref }}
+          repository: ${{ github.event.pull_request.head.repo.full_name }}
+          path: base
+
+      - name: Checkout PR branch
+        uses: actions/checkout@v3
+        with:
+          ref: ${{ github.event.pull_request.head.ref }}
+          repository: ${{ github.event.pull_request.head.repo.full_name }}
+          path: pr
+          fetch-depth: 0
+
+      - name: Run build script on base branch
+        run: |
+          cd base
+          npm install
+          npm run build
+          cd ..
+
+      - name: Run build script on PR branch
+        run: |
+          cd pr
+          git config --global user.email "[email protected]"
+          git config --global user.name "dax"
+          git rebase origin/${{ github.event.pull_request.base.ref }}
+          npm install
+          npm run build
+          cd ..
+
+      - name: Create diff of file outputs
+        run: |
+          node pr/.github/scripts/diff-directories.js base pr > diff.txt
+
+      - name: Find Previous Comment
+        uses: peter-evans/find-comment@v3
+        id: find_comment
+        with:
+          issue-number: ${{ github.event.pull_request.number }}
+          comment-author: 'github-actions[bot]'
+          body-includes: 'Generated file diff'
+          direction: last
+
+      - name: Create Comment Body
+        uses: actions/github-script@v7
+        id: create_body
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const fs = require('fs');
+            const prNumber = context.issue.number;
+            const diffOut = fs.readFileSync('diff.txt', 'utf8');
+            const commentBody = `
+            ### *[Beta]* Generated file diff
+            *Time updated:* ${new Date().toUTCString()}
+
+            ${diffOut}
+                `;
+            core.setOutput('comment_body', commentBody);
+            core.setOutput('pr_number', prNumber);
+
+      - name: Create, or Update the Comment
+        uses: peter-evans/create-or-update-comment@v4
+        with:
+          issue-number: ${{ github.event.pull_request.number }}
+          comment-id: ${{ steps.find_comment.outputs.comment-id }}
+          body: ${{ steps.create_body.outputs.comment_body }}
+          edit-mode: replace