From 3bdb6e439f31f5adf2e6424840804ad7f686ea69 Mon Sep 17 00:00:00 2001
From: "tangly1024.com" <tlyong1992@hotmail.com>
Date: Tue, 1 Aug 2023 12:47:37 +0800
Subject: [PATCH] facebook

---
 components/FacebookMessenger.js | 247 +++++++++++++++++++++++++++++++-
 components/FacebookPage.js      |   6 +-
 2 files changed, 248 insertions(+), 5 deletions(-)

diff --git a/components/FacebookMessenger.js b/components/FacebookMessenger.js
index c1b84db4..1787a7e6 100644
--- a/components/FacebookMessenger.js
+++ b/components/FacebookMessenger.js
@@ -1,10 +1,249 @@
 import BLOG from '@/blog.config'
+import { Component } from 'react'
+import PropTypes from 'prop-types'
 
-const Messenger = () => (
-  <div
+export default function Messenger() {
+  console.log('facebook', BLOG.FACEBOOK_PAGE_ID, BLOG.FACEBOOK_APP_ID)
+  return <MessengerCustomerChat
     pageId={BLOG.FACEBOOK_PAGE_ID}
     appId={BLOG.FACEBOOK_APP_ID}
     language={BLOG.LANG.replace('-', '_')}
   />
-)
-export default Messenger
+}
+
+/**
+ * @see https://github.com/Yoctol/react-messenger-customer-chat
+ */
+class MessengerCustomerChat extends Component {
+  constructor(props) {
+    super(props)
+    this.state = {
+      fbLoaded: false,
+      shouldShowDialog: undefined
+    }
+  }
+
+  componentDidMount() {
+    this.setFbAsyncInit()
+    this.reloadSDKAsynchronously()
+  }
+
+  componentDidUpdate(prevProps) {
+    if (
+      prevProps.pageId !== this.props.pageId ||
+      prevProps.appId !== this.props.appId ||
+      prevProps.shouldShowDialog !== this.props.shouldShowDialog ||
+      prevProps.htmlRef !== this.props.htmlRef ||
+      prevProps.minimized !== this.props.minimized ||
+      prevProps.themeColor !== this.props.themeColor ||
+      prevProps.loggedInGreeting !== this.props.loggedInGreeting ||
+      prevProps.loggedOutGreeting !== this.props.loggedOutGreeting ||
+      prevProps.greetingDialogDisplay !== this.props.greetingDialogDisplay ||
+      prevProps.greetingDialogDelay !== this.props.greetingDialogDelay ||
+      prevProps.autoLogAppEvents !== this.props.autoLogAppEvents ||
+      prevProps.xfbml !== this.props.xfbml ||
+      prevProps.version !== this.props.version ||
+      prevProps.language !== this.props.language
+    ) {
+      this.setFbAsyncInit()
+      this.reloadSDKAsynchronously()
+    }
+  }
+
+  componentWillUnmount() {
+    if (window.FB !== undefined) {
+      window.FB.CustomerChat.hide()
+    }
+  }
+
+  setFbAsyncInit() {
+    const { appId, autoLogAppEvents, xfbml, version } = this.props
+
+    window.fbAsyncInit = () => {
+      window.FB.init({
+        appId,
+        autoLogAppEvents,
+        xfbml,
+        version: `v${version}`
+      })
+
+      this.setState({ fbLoaded: true })
+    }
+  }
+
+  loadSDKAsynchronously() {
+    const { language } = this.props;
+    /* eslint-disable */
+    (function (d, s, id) {
+      var js,
+        fjs = d.getElementsByTagName(s)[0];
+      if (d.getElementById(id)) {
+        return;
+      }
+      js = d.createElement(s);
+      js.id = id;
+      js.src = `https://connect.facebook.net/${language}/sdk/xfbml.customerchat.js`;
+      fjs.parentNode.insertBefore(js, fjs);
+    })(document, 'script', 'facebook-jssdk');
+    /* eslint-enable */
+  }
+
+  removeFacebookSDK() {
+    removeElementByIds(['facebook-jssdk', 'fb-root'])
+
+    delete window.FB
+  }
+
+  reloadSDKAsynchronously() {
+    this.removeFacebookSDK()
+    this.loadSDKAsynchronously()
+  }
+
+  controlPlugin() {
+    const { shouldShowDialog } = this.props
+
+    if (shouldShowDialog) {
+      window.FB.CustomerChat.showDialog()
+    } else {
+      window.FB.CustomerChat.hideDialog()
+    }
+  }
+
+  subscribeEvents() {
+    const { onCustomerChatDialogShow, onCustomerChatDialogHide } = this.props
+
+    if (onCustomerChatDialogShow) {
+      window.FB.Event.subscribe(
+        'customerchat.dialogShow',
+        onCustomerChatDialogShow
+      )
+    }
+
+    if (onCustomerChatDialogHide) {
+      window.FB.Event.subscribe(
+        'customerchat.dialogHide',
+        onCustomerChatDialogHide
+      )
+    }
+  }
+
+  createMarkup() {
+    const {
+      pageId,
+      htmlRef,
+      minimized,
+      themeColor,
+      loggedInGreeting,
+      loggedOutGreeting,
+      greetingDialogDisplay,
+      greetingDialogDelay
+    } = this.props
+
+    const refAttribute = htmlRef !== undefined ? `ref="${htmlRef}"` : ''
+    const minimizedAttribute =
+      minimized !== undefined ? `minimized="${minimized}"` : ''
+    const themeColorAttribute =
+      themeColor !== undefined ? `theme_color="${themeColor}"` : ''
+    const loggedInGreetingAttribute =
+      loggedInGreeting !== undefined
+        ? `logged_in_greeting="${loggedInGreeting}"`
+        : ''
+    const loggedOutGreetingAttribute =
+      loggedOutGreeting !== undefined
+        ? `logged_out_greeting="${loggedOutGreeting}"`
+        : ''
+    const greetingDialogDisplayAttribute =
+      greetingDialogDisplay !== undefined
+        ? `greeting_dialog_display="${greetingDialogDisplay}"`
+        : ''
+    const greetingDialogDelayAttribute =
+      greetingDialogDelay !== undefined
+        ? `greeting_dialog_delay="${greetingDialogDelay}"`
+        : ''
+
+    return {
+      __html: `<div
+        class="fb-customerchat"
+        page_id="${pageId}"
+        ${refAttribute}
+        ${minimizedAttribute}
+        ${themeColorAttribute}
+        ${loggedInGreetingAttribute}
+        ${loggedOutGreetingAttribute}
+        ${greetingDialogDisplayAttribute}
+        ${greetingDialogDelayAttribute}
+      ></div>`
+    }
+  }
+
+  render() {
+    const { fbLoaded, shouldShowDialog } = this.state
+
+    if (fbLoaded && shouldShowDialog !== this.props.shouldShowDialog) {
+      document.addEventListener(
+        'DOMNodeInserted',
+        (event) => {
+          const element = event.target
+          if (
+            element.className &&
+            typeof element.className === 'string' &&
+            element.className.includes('fb_dialog')
+          ) {
+            this.controlPlugin()
+          }
+        },
+        false
+      )
+      this.subscribeEvents()
+    }
+    // Add a random key to rerender. Reference:
+    // https://stackoverflow.com/questions/30242530/dangerouslysetinnerhtml-doesnt-update-during-render
+    return <div key={Date()} dangerouslySetInnerHTML={this.createMarkup()} />
+  }
+}
+
+const removeElementByIds = (ids) => {
+  ids.forEach((id) => {
+    const element = document.getElementById(id)
+    if (element && element.parentNode) {
+      element.parentNode.removeChild(element)
+    }
+  })
+}
+
+MessengerCustomerChat.propTypes = {
+  pageId: PropTypes.string.isRequired,
+  appId: PropTypes.string,
+  shouldShowDialog: PropTypes.bool,
+  htmlRef: PropTypes.string,
+  minimized: PropTypes.bool,
+  themeColor: PropTypes.string,
+  loggedInGreeting: PropTypes.string,
+  loggedOutGreeting: PropTypes.string,
+  greetingDialogDisplay: PropTypes.oneOf(['show', 'hide', 'fade']),
+  greetingDialogDelay: PropTypes.number,
+  autoLogAppEvents: PropTypes.bool,
+  xfbml: PropTypes.bool,
+  version: PropTypes.string,
+  language: PropTypes.string,
+  onCustomerChatDialogShow: PropTypes.func,
+  onCustomerChatDialogHide: PropTypes.func
+}
+
+MessengerCustomerChat.defaultProps = {
+  appId: null,
+  shouldShowDialog: false,
+  htmlRef: undefined,
+  minimized: undefined,
+  themeColor: undefined,
+  loggedInGreeting: undefined,
+  loggedOutGreeting: undefined,
+  greetingDialogDisplay: undefined,
+  greetingDialogDelay: undefined,
+  autoLogAppEvents: true,
+  xfbml: true,
+  version: '11.0',
+  language: 'en_US',
+  onCustomerChatDialogShow: undefined,
+  onCustomerChatDialogHide: undefined
+}
diff --git a/components/FacebookPage.js b/components/FacebookPage.js
index e4e52c93..9acadf79 100644
--- a/components/FacebookPage.js
+++ b/components/FacebookPage.js
@@ -2,13 +2,17 @@ import BLOG from '@/blog.config'
 import { FacebookProvider, Page } from 'react-facebook'
 import { FacebookIcon } from 'react-share'
 
+/**
+ * facebook个人主页
+ * @returns
+ */
 const FacebookPage = () => {
   if (!BLOG.FACEBOOK_APP_ID && !BLOG.FACEBOOK_PAGE) {
     return <></>
   }
   return <div className="shadow-md hover:shadow-xl dark:text-gray-300 border dark:border-black rounded-xl px-2 py-4 bg-white dark:bg-hexo-black-gray lg:duration-100 justify-center">
     {BLOG.FACEBOOK_PAGE && (
-      <div className="flex  items-center pb-2">
+      <div className="flex items-center pb-2">
         <a
           href={BLOG.FACEBOOK_PAGE}
           target="_blank"