Files
DissLiteratur/translators/reddit.js
Johannes Paehr c4354c0441 init
2025-10-18 15:35:31 +02:00

276 lines
7.3 KiB
JavaScript

{
"translatorID": "23bacc11-98e3-4b78-b1ef-cc2c9a04b893",
"translatorType": 4,
"label": "reddit",
"creator": "Lukas Kawerau",
"target": "^https?://[^/]+\\.reddit\\.com/",
"minVersion": "3.0",
"maxVersion": null,
"priority": 100,
"inRepository": true,
"browserSupport": "gcsibv",
"lastUpdated": "2025-05-01 14:55:00"
}
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2020-2021 Lukas Kawerau
This file is part of Zotero.
Zotero is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Zotero is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with Zotero. If not, see <http://www.gnu.org/licenses/>.
***** END LICENSE BLOCK *****
*/
function detectWeb(doc, url) {
var regex = /\/r\/[^/]+\/comments\//i;
if (regex.test(url)) {
return 'forumPost';
}
else if (getSearchResults(doc, true)) {
return 'multiple';
}
return false;
}
function getSearchResults(doc, checkOnly) {
var items = {};
var found = false;
var rows = ZU.xpath(doc, '//a[div/h3]');
if (!rows.length) rows = doc.querySelectorAll('.entry');
if (!rows.length) rows = doc.querySelectorAll('shreddit-feed shreddit-post');
for (let row of rows) {
let href, title;
// old.reddit.com
if (row.href) {
href = row.href;
title = ZU.trimInternal(row.textContent);
}
// sh.reddit.com
else if (row.hasAttribute('content-href')) {
href = row.getAttribute('content-href');
title = row.getAttribute('post-title');
}
// new.reddit.com
else {
href = attr(row, '.comments', 'href');
title = text(row, '.title > a');
}
if (!href || !title) continue;
if (checkOnly) return true;
found = true;
items[href] = title;
}
return found ? items : false;
}
async function doWeb(doc, url) {
if (detectWeb(doc, url) == 'multiple') {
let items = await Zotero.selectItems(getSearchResults(doc, false));
if (!items) return;
for (let url of Object.keys(items)) {
await scrape(await requestDocument(url));
}
}
else {
await scrape(doc, url);
}
}
async function scrape(doc, url = doc.location.href) {
// Always get JSON from old., because the "sh." redesign
// doesn't support the .json endpoint
let jsonUrl = 'https://old.reddit.com'
// Strip trailing slash
+ doc.location.pathname.replace(/\/$/, '')
+ '.json';
let json = await requestJSON(jsonUrl);
let commentRegex = /\/r\/[^/]+\/comments\/[a-z\d]+\/[a-z\d_]+\/[a-z\d]+\//i;
if (commentRegex.test(url)) {
scrapeComment(doc, json);
}
else {
scrapePost(doc, json);
}
}
function scrapePost(doc, redditJson) {
var newItem = new Zotero.Item("forumPost");
var redditData = redditJson[0].data.children[0].data;
newItem.title = redditData.title;
if (redditData.author != '[deleted]') {
newItem.creators.push(ZU.cleanAuthor(redditData.author, "author", true));
}
newItem.url = 'https://www.reddit.com' + redditData.permalink;
var postDate = new Date(redditData.created_utc * 1000);
newItem.date = postDate.toISOString();
newItem.postType = "Reddit Post";
newItem.forumTitle = 'r/' + redditData.subreddit;
newItem.attachments.push({
title: "Snapshot",
document: doc
});
newItem.complete();
}
function scrapeComment(doc, redditJson) {
var newItem = new Zotero.Item("forumPost");
var parentData = redditJson[0].data.children[0].data;
var redditData = redditJson[1].data.children[0].data;
newItem.title = ZU.ellipsize(redditData.body, 20);
if (redditData.author != '[deleted]') {
newItem.creators.push(ZU.cleanAuthor(redditData.author, "author", true));
}
newItem.url = 'https://www.reddit.com' + redditData.permalink;
var postDate = new Date(redditData.created_utc * 1000);
newItem.date = postDate.toISOString();
newItem.postType = "Reddit Comment";
newItem.forumTitle = 'r/' + redditData.subreddit;
newItem.extra = 'Post URL: https://www.reddit.com' + parentData.permalink;
newItem.attachments.push({
title: "Snapshot",
document: doc
});
newItem.complete();
}
/** BEGIN TEST CASES **/
var testCases = [
{
"type": "web",
"url": "https://www.reddit.com/search/?q=zotero",
"items": "multiple"
},
{
"type": "web",
"url": "https://www.reddit.com/r/zotero/",
"items": "multiple"
},
{
"type": "web",
"url": "https://www.reddit.com/",
"items": "multiple"
},
{
"type": "web",
"url": "https://www.reddit.com/r/zotero/comments/j7ityb/zotero_ipad_bookmarklet_not_working/",
"items": [
{
"itemType": "forumPost",
"title": "Zotero iPad bookmarklet not working",
"creators": [],
"date": "2020-10-08T18:43:48.000Z",
"forumTitle": "r/zotero",
"postType": "Reddit Post",
"url": "https://www.reddit.com/r/zotero/comments/j7ityb/zotero_ipad_bookmarklet_not_working/",
"attachments": [
{
"title": "Snapshot",
"mimeType": "text/html"
}
],
"tags": [],
"notes": [],
"seeAlso": []
}
]
},
{
"type": "web",
"url": "https://www.reddit.com/r/zotero/comments/j7ityb/zotero_ipad_bookmarklet_not_working/g88zfcp/",
"items": [
{
"itemType": "forumPost",
"title": "I use the exact same…",
"creators": [],
"date": "2020-10-09T20:07:37.000Z",
"extra": "Post URL: www.reddit.com/r/zotero/comments/j7ityb/zotero_ipad_bookmarklet_not_working/",
"forumTitle": "r/zotero",
"postType": "Reddit Comment",
"url": "www.reddit.com/r/zotero/comments/j7ityb/zotero_ipad_bookmarklet_not_working/g88zfcp/",
"attachments": [
{
"title": "Snapshot",
"mimeType": "text/html"
}
],
"tags": [],
"notes": [],
"seeAlso": []
}
]
},
{
"type": "web",
"url": "https://www.reddit.com/r/Professors/comments/o5pixw/for_tt_t_professors_why_exactly_is_vacation_and/",
"items": [
{
"itemType": "forumPost",
"title": "For TT / T professors, why exactly is vacation and sick time accrued?",
"creators": [
{
"lastName": "respeckKnuckles",
"creatorType": "author"
}
],
"date": "2021-06-22T15:17:27.000Z",
"forumTitle": "r/Professors",
"postType": "Reddit Post",
"url": "https://www.reddit.com/r/Professors/comments/o5pixw/for_tt_t_professors_why_exactly_is_vacation_and/",
"attachments": [
{
"title": "Snapshot",
"mimeType": "text/html"
}
],
"tags": [],
"notes": [],
"seeAlso": []
}
]
},
{
"type": "web",
"url": "https://old.reddit.com/r/zotero/",
"items": "multiple"
},
{
"type": "web",
"url": "https://old.reddit.com/r/zotero/comments/plh1kr/firefox_google_docs_reimplementation/",
"items": [
{
"itemType": "forumPost",
"title": "Firefox Google Docs re-implementation",
"creators": [
{
"lastName": "RedRoseTemplate",
"creatorType": "author"
}
],
"date": "2021-09-10T08:34:50.000Z",
"forumTitle": "r/zotero",
"postType": "Reddit Post",
"url": "https://www.reddit.com/r/zotero/comments/plh1kr/firefox_google_docs_reimplementation/",
"attachments": [
{
"title": "Snapshot",
"mimeType": "text/html"
}
],
"tags": [],
"notes": [],
"seeAlso": []
}
]
}
]
/** END TEST CASES **/