feat: Add modules

src/app.js

@@ -0,0 +1,48 @@
+/**
+ * @file github-bot 入口文件
+ * @author xuexb <fe.xiaowu@gmail.com>
+ */
+
+require('dotenv').config();
+
+const EventEmitter = require('events');
+const Koa = require('koa');
+const bodyParser = require('koa-bodyparser');
+const requireDir = require('require-dir');
+const {verifySignature, getRepo} = require('./utils');
+const issueActions = requireDir('./modules/issues');
+const app = new Koa();
+const githubEvent = new EventEmitter();
+
+app.use(bodyParser());
+
+app.use(ctx => {
+    let eventName = ctx.request.headers['x-github-event'];
+    if (eventName && verifySignature(ctx.request)) {
+        const payload = ctx.request.body;
+        const action = payload.action || payload.ref_type;
+
+        eventName += `_${action}`;
+        console.log(`receive event: ${eventName}`);
+
+        if (payload.sender.login !== process.env.GITHUB_BOT_NAME) {
+            githubEvent.emit(eventName, {
+                repo: getRepo(payload.repository.full_name),
+                payload
+            });
+        }
+
+        ctx.body = 'Ok.';
+    }
+    else {
+        ctx.body = 'Go away.';
+    }
+});
+
+Object.keys(issueActions).forEach((key) => {
+    issueActions[key](githubEvent.on.bind(githubEvent));
+});
+
+const port = 8000;
+app.listen(port);
+console.log(`Listening on http://0.0.0.0:${port}`);

src/github.js

@@ -0,0 +1,69 @@
+/**
+ * @file github 操作库
+ * @author xuexb <fe.xiaowu@gmail.com>
+ */
+
+const GitHub = require('github');
+
+const github = new GitHub({
+    debug: process.env.NODE_ENV === 'development'
+});
+
+github.authenticate({
+    type: 'token',
+    token: process.env.GITHUB_TOKEN
+});
+
+module.exports = {
+    commentIssue(payload, body) {
+        const owner = payload.repository.owner.login;
+        const repo = payload.repository.name;
+        const number = payload.issue.number;
+
+        github.issues.createComment({
+            owner,
+            repo,
+            number,
+            body
+        });
+    },
+
+    closeIssue(payload) {
+        const owner = payload.repository.owner.login;
+        const repo = payload.repository.name;
+        const number = payload.issue.number;
+
+        github.issues.edit({
+            owner,
+            repo,
+            number,
+            state: 'closed'
+        });
+    },
+
+    addAssigneesToIssue(payload, assign) {
+        const owner = payload.repository.owner.login;
+        const repo = payload.repository.name;
+        const number = payload.issue.number;
+
+        github.issues.edit({
+            owner,
+            repo,
+            number,
+            assignees: Array.isArray(assign) ? assign : [assign]
+        });
+    },
+
+    addLabelsToIssue(payload, labels) {
+        const owner = payload.repository.owner.login;
+        const repo = payload.repository.name;
+        const number = payload.issue.number;
+
+        github.issues.addLabels({
+            owner,
+            repo,
+            number,
+            labels: Array.isArray(labels) ? labels : [labels]
+        });
+    }
+};

src/modules/issues/autoAssign.js

@@ -0,0 +1,25 @@
+/**
+ * @file issue 自动 `assign` 给指定人员
+ * @author xuexb <fe.xiaowu@gmail.com>
+ */
+
+const {addAssigneesToIssue} = require('../../github');
+
+const assignMap = {
+    bug: 'xuexb',
+    enhancement: 'xuexb',
+    question: 'xuexb'
+};
+
+function autoAssign(on) {
+    on('issues_labeled', ({payload, repo}) => {
+        if (assignMap[payload.label.name]) {
+            addAssigneesToIssue(
+                payload,
+                assignMap[payload.label.name]
+            );
+        }
+    });
+}
+
+module.exports = autoAssign;

src/modules/issues/autoReleaseNote.js

@@ -0,0 +1,18 @@
+/**
+ * @file 根据 tag 自动 release
+ * @author xuexb <fe.xiaowu@gmail.com>
+ */
+
+const {getReleaseByTag} = require('../../github');
+const {cloneRepo, getTags} = require('../../utils');
+
+function autoReleaseNote(on) {
+    on('create_tag', ({payload, repo}) => {
+        const repoDir = cloneRepo(payload.repository.clone_url, repo);
+        const tags = getTags(repoDir);
+
+        console.log(repoDir, tags);
+    });
+}
+
+module.exports = autoReleaseNote;

src/modules/issues/replyInvalid.js

@@ -0,0 +1,41 @@
+/**
+ * @file 不规范issue则自动关闭
+ * @author xuexb <fe.xiaowu@gmail.com>
+ */
+
+const format = require('string-template');
+const {
+    commentIssue,
+    closeIssue,
+    addLabelsToIssue
+} = require('../../github');
+
+const comment = [
+    'hi @{user}，非常感谢您的反馈，',
+    '但是由于您没有使用 [规范的issue](https://github.com/xuexb/github-bot) 格式， 将直接被关闭， 谢谢！'
+].join('');
+
+const match = str => {
+    return /node version:\s*(\d\.?)+/.test(str) && /url:\s*(https?:)?\/\/(\w{3,})/.test(str);
+};
+
+function replyInvalid(on) {
+    on('issues_opened', ({payload}) => {
+        const issue = payload.issue;
+        const opener = issue.user.login;
+
+        if (!match(issue.body)) {
+            commentIssue(
+                payload,
+                format(comment, {
+                    user: opener
+                })
+            );
+
+            closeIssue(payload);
+            addLabelsToIssue(payload, 'invalid');
+        }
+    });
+}
+
+module.exports = replyInvalid;

src/modules/issues/replyNeedDemo.js

@@ -0,0 +1,25 @@
+/**
+ * @file 不规范issue则自动关闭
+ * @author xuexb <fe.xiaowu@gmail.com>
+ */
+
+const format = require('string-template');
+const {commentIssue} = require('../../github');
+
+const comment = 'hi @{user}，请提供一个可预览的链接，如： <https://codepen.io/pen?template=KgPZrE&editors=0010>';
+
+function replyNeedDemo(on) {
+    on('issues_labeled', ({payload, repo}) => {
+        if (payload.label.name === 'need demo') {
+            commentIssue(
+                payload,
+                format(comment, {
+                    user: payload.issue.user.login
+                })
+            );
+        }
+
+    });
+}
+
+module.exports = replyNeedDemo;

src/utils.js

@@ -0,0 +1,54 @@
+const path = require('path');
+const fs = require('fs');
+const crypto = require('crypto');
+const {fixedTimeComparison} = require('cryptiles');
+const {execSync, exec} = require('child_process');
+
+const utils = {
+    mentioned(body) {
+        return body.includes(`@${process.env.GITHUB_BOT_NAME}`);
+    },
+
+    verifySignature(request) {
+        let signature = crypto.createHmac('sha1', process.env.GITHUB_SECRET_TOKEN)
+            .update(request.rawBody)
+            .digest('hex');
+        signature = `sha1=${signature}`;
+        return fixedTimeComparison(signature, request.headers['x-hub-signature']);
+    },
+
+    getRepo(url) {
+        return url.split('/')[1];
+    },
+
+    isDirectory(file) {
+        try {
+            return fs.statSync(file).isDirectory();
+        }
+        catch (e) {
+            if (e.code !== 'ENOENT') {
+                throw e;
+            }
+
+            return false;
+        }
+    },
+
+    cloneRepo(url, repo) {
+        const repoDir = path.resolve(__dirname, '../github/', repo);
+
+        if (!utils.isDirectory(repoDir)) {
+            throw new Error(`${repoDir} 不是github目录!`);
+        }
+
+        execSync(`cd ${repoDir} && git pull`);
+
+        return repoDir;
+    },
+
+    getTags(dir) {
+        return execSync(`cd ${dir} && git tag -l`).toString().split(/\n+/).filter(tag => !!tag).reverse();
+    }
+};
+
+module.exports = utils;