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path: root/app/javascript/flavours/glitch/actions/importer/normalizer.js
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import escapeTextContentForBrowser from 'escape-html';
import emojify from 'flavours/glitch/util/emoji';
import { unescapeHTML } from 'flavours/glitch/util/html';
import { expandSpoilers } from 'flavours/glitch/util/initial_state';

const domParser = new DOMParser();

const makeEmojiMap = record => record.emojis.reduce((obj, emoji) => {
  obj[`:${emoji.shortcode}:`] = emoji;
  return obj;
}, {});

export function searchTextFromRawStatus (status) {
  const spoilerText   = status.spoiler_text || '';
  const searchContent = ([spoilerText, status.content].concat((status.poll && status.poll.options) ? status.poll.options.map(option => option.title) : [])).concat(status.media_attachments.map(att => att.description)).concat(status.tags ? status.tags.map(tag => tag.name) : []).join('\n\n').replace(/<br\s*\/?>/g, '\n').replace(/<\/p><p>/g, '\n\n');
  return domParser.parseFromString(searchContent, 'text/html').documentElement.textContent;
}

export function normalizeAccount(account) {
  account = { ...account };

  const emojiMap = makeEmojiMap(account);
  const displayName = account.display_name.trim().length === 0 ? account.username : account.display_name;

  account.display_name_html = emojify(escapeTextContentForBrowser(displayName), emojiMap);
  account.note_emojified = emojify(account.note, emojiMap);

  if (account.fields) {
    account.fields = account.fields.map(pair => ({
      ...pair,
      name_emojified: emojify(escapeTextContentForBrowser(pair.name), emojiMap),
      value_emojified: emojify(pair.value, emojiMap),
      value_plain: unescapeHTML(pair.value),
    }));
  }

  if (account.moved) {
    account.moved = account.moved.id;
  }

  return account;
}

export function normalizeStatus(status, normalOldStatus) {
  const normalStatus   = { ...status };
  normalStatus.account = status.account.id;

  if (status.reblog && status.reblog.id) {
    normalStatus.reblog = status.reblog.id;
  }

  if (status.poll && status.poll.id) {
    normalStatus.poll = status.poll.id;
  }

  const oldUpdatedAt = normalOldStatus ? normalOldStatus.updated_at || normalOldStatus.created_at : null;
  const newUpdatedAt = normalStatus ? normalStatus.updated_at || normalStatus.created_at : null;

  // Only calculate these values when status first encountered
  // Otherwise keep the ones already in the reducer
  if (normalOldStatus && oldUpdatedAt === newUpdatedAt) {
    normalStatus.search_index = normalOldStatus.get('search_index');
    normalStatus.contentHtml = normalOldStatus.get('contentHtml');
    normalStatus.articleHtml = normalOldStatus.get('articleHtml');
    normalStatus.spoilerHtml = normalOldStatus.get('spoilerHtml');
  } else {
    const spoilerText   = normalStatus.spoiler_text || '';
    const searchContent = ([spoilerText, status.content].concat((status.poll && status.poll.options) ? status.poll.options.map(option => option.title) : [])).join('\n\n').replace(/<br\s*\/?>/g, '\n').replace(/<\/p><p>/g, '\n\n');
    const emojiMap      = makeEmojiMap(normalStatus);

    normalStatus.search_index = domParser.parseFromString(searchContent, 'text/html').documentElement.textContent;
    normalStatus.contentHtml  = emojify(normalStatus.content, emojiMap);
    normalStatus.articleHtml  = normalStatus.article_content ? emojify(normalStatus.article_content, emojiMap) : normalStatus.contentHtml;
    normalStatus.spoilerHtml  = emojify(escapeTextContentForBrowser(spoilerText), emojiMap);
  }

  return normalStatus;
}

export function normalizePoll(poll) {
  const normalPoll = { ...poll };
  const emojiMap = makeEmojiMap(normalPoll);

  normalPoll.options = poll.options.map((option, index) => ({
    ...option,
    voted: poll.own_votes && poll.own_votes.includes(index),
    title_emojified: emojify(escapeTextContentForBrowser(option.title), emojiMap),
  }));

  return normalPoll;
}

export function normalizeAnnouncement(announcement) {
  const normalAnnouncement = { ...announcement };
  const emojiMap = makeEmojiMap(normalAnnouncement);

  normalAnnouncement.contentHtml = emojify(normalAnnouncement.content, emojiMap);

  return normalAnnouncement;
}