delete shared code in slack-legacy

src/server/util/slack-legacy.js

@@ -1,5 +1,5 @@
 const debug = require('debug')('growi:util:slack');
-const urljoin = require('url-join');
+const slack = require('./slack');
 
 /**
  * slack
@@ -46,192 +46,21 @@ module.exports = function(crowi) {
     });
   };
 
-  const convertMarkdownToMarkdown = function(body) {
-    const url = crowi.appService.getSiteUrl();
-
-    return body
-      .replace(/\n\*\s(.+)/g, '\n• $1')
-      .replace(/#{1,}\s?(.+)/g, '\n*$1*')
-      .replace(/(\[(.+)\]\((https?:\/\/.+)\))/g, '<$3|$2>')
-      .replace(/(\[(.+)\]\((\/.+)\))/g, `<${url}$3|$2>`);
-  };
-
-  const prepareAttachmentTextForCreate = function(page, user) {
-    let body = page.revision.body;
-    if (body.length > 2000) {
-      body = `${body.substr(0, 2000)}...`;
-    }
-
-    return convertMarkdownToMarkdown(body);
-  };
-
-  const prepareAttachmentTextForUpdate = function(page, user, previousRevision) {
-    const diff = require('diff');
-    let diffText = '';
-
-    diff.diffLines(previousRevision.body, page.revision.body).forEach((line) => {
-      debug('diff line', line);
-      const value = line.value.replace(/\r\n|\r/g, '\n'); // eslint-disable-line no-unused-vars
-      if (line.added) {
-        diffText += `${line.value} ... :lower_left_fountain_pen:`;
-      }
-      else if (line.removed) {
-        // diffText += '-' + line.value.replace(/(.+)?\n/g, '- $1\n');
-        // 1以下は無視
-        if (line.count > 1) {
-          diffText += `:wastebasket: ... ${line.count} lines\n`;
-        }
-      }
-      else {
-        // diffText += '...\n';
-      }
-    });
-
-    debug('diff is', diffText);
-
-    return diffText;
-  };
-
-  const prepareAttachmentTextForComment = function(comment) {
-    let body = comment.comment;
-    if (body.length > 2000) {
-      body = `${body.substr(0, 2000)}...`;
-    }
-
-    if (comment.isMarkdown) {
-      return convertMarkdownToMarkdown(body);
-    }
-
-    return body;
-  };
-
-  const prepareSlackMessageForPage = function(page, user, channel, updateType, previousRevision) {
-    const appTitle = crowi.appService.getAppTitle();
-    const url = crowi.appService.getSiteUrl();
-    let body = page.revision.body;
-
-    if (updateType === 'create') {
-      body = prepareAttachmentTextForCreate(page, user);
-    }
-    else {
-      body = prepareAttachmentTextForUpdate(page, user, previousRevision);
-    }
-
-    const attachment = {
-      color: '#263a3c',
-      author_name: `@${user.username}`,
-      author_link: urljoin(url, 'user', user.username),
-      author_icon: user.image,
-      title: page.path,
-      title_link: urljoin(url, page.id),
-      text: body,
-      mrkdwn_in: ['text'],
-    };
-    if (user.image) {
-      attachment.author_icon = user.image;
-    }
-
-    const message = {
-      channel: (channel != null) ? `#${channel}` : undefined,
-      username: appTitle,
-      text: getSlackMessageTextForPage(page.path, page.id, user, updateType),
-      attachments: [attachment],
-    };
-
-    return message;
-  };
-
-  const prepareSlackMessageForComment = function(comment, user, channel, path) {
-    const appTitle = crowi.appService.getAppTitle();
-    const url = crowi.appService.getSiteUrl();
-    const body = prepareAttachmentTextForComment(comment);
-
-    const attachment = {
-      color: '#263a3c',
-      author_name: `@${user.username}`,
-      author_link: urljoin(url, 'user', user.username),
-      author_icon: user.image,
-      text: body,
-      mrkdwn_in: ['text'],
-    };
-    if (user.image) {
-      attachment.author_icon = user.image;
-    }
-
-    const message = {
-      channel: (channel != null) ? `#${channel}` : undefined,
-      username: appTitle,
-      text: getSlackMessageTextForComment(path, String(comment.page), user),
-      attachments: [attachment],
-    };
-
-    return message;
-  };
-
-  /**
-   * For GlobalNotification
-   *
-   * @param {string} messageBody
-   * @param {string} attachmentBody
-   * @param {string} slackChannel
-  */
-  const prepareSlackMessageForGlobalNotification = async(messageBody, attachmentBody, slackChannel) => {
-    const appTitle = crowi.appService.getAppTitle();
-
-    const attachment = {
-      color: '#263a3c',
-      text: attachmentBody,
-      mrkdwn_in: ['text'],
-    };
-
-    const message = {
-      channel: (slackChannel != null) ? `#${slackChannel}` : undefined,
-      username: appTitle,
-      text: messageBody,
-      attachments: [attachment],
-    };
-
-    return message;
-  };
-
-  const getSlackMessageTextForPage = function(path, pageId, user, updateType) {
-    let text;
-    const url = crowi.appService.getSiteUrl();
-
-    const pageUrl = `<${urljoin(url, pageId)}|${path}>`;
-    if (updateType === 'create') {
-      text = `:rocket: ${user.username} created a new page! ${pageUrl}`;
-    }
-    else {
-      text = `:heavy_check_mark: ${user.username} updated ${pageUrl}`;
-    }
-
-    return text;
-  };
-
-  const getSlackMessageTextForComment = function(path, pageId, user) {
-    const url = crowi.appService.getSiteUrl();
-    const pageUrl = `<${urljoin(url, pageId)}|${path}>`;
-    const text = `:speech_balloon: ${user.username} commented on ${pageUrl}`;
-
-    return text;
-  };
-
   // slackLegacy.post = function (channel, message, opts) {
   slackLegacy.postPage = (page, user, channel, updateType, previousRevision) => {
-    const messageObj = prepareSlackMessageForPage(page, user, channel, updateType, previousRevision);
+    const messageObj = slack.prepareSlackMessageForPage(page, user, channel, updateType, previousRevision);
 
     return slackPost(messageObj);
   };
 
   slackLegacy.postComment = (comment, user, channel, path) => {
-    const messageObj = prepareSlackMessageForComment(comment, user, channel, path);
+    const messageObj = slack.prepareSlackMessageForComment(comment, user, channel, path);
 
     return slackPost(messageObj);
   };
 
   slackLegacy.sendGlobalNotification = async(messageBody, attachmentBody, slackChannel) => {
-    const messageObj = await prepareSlackMessageForGlobalNotification(messageBody, attachmentBody, slackChannel);
+    const messageObj = await slack.prepareSlackMessageForGlobalNotification(messageBody, attachmentBody, slackChannel);
 
     return slackPost(messageObj);
   };