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discourse/app/controllers
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Sam de9a031073
FEATURE: use canonical links in posts.rss feed (#16190) 
* FEATURE: use canonical links in posts.rss feed

Previously we used non canonical links in posts.rss

These links get crawled frequently by crawlers when discovering new
content forcing crawlers to hop to non canonical pages just to end up
visiting canonical pages

This uses up expensive crawl time and adds load on Discourse sites

Old links were of the form:

`https://DOMAIN/t/SLUG/43/21`

New links are of the form

`https://DOMAIN/t/SLUG/43?page=2#post_21`

This also adds a post_id identified element to crawler view that was
missing.

Note, to avoid very expensive N+1 queries required to figure out the
page a post is on during rss generation, we cache that information.

There is a smart "cache breaker" which ensures worst case scenario is
a "page drift" - meaning we would publicize a post is on page 11 when
it is actually on page 10 due to post deletions. Cache holds for up to
12 hours.

Change only impacts public post RSS feeds (`/posts.rss`)
 		2022-03-15 20:17:06 +11:00
..
admin DEV: using send can be harmful, public_send is less risky (#16135) 2022-03-08 17:13:26 +01:00
users FEATURE: Experimental support for group membership via google auth (#14835) 2021-12-09 12:30:27 +00:00
about_controller.rb Revert "Revert "Merge branch 'master' of https://github.com/discourse/discourse"" 2020-05-23 00:56:13 -04:00
application_controller.rb FIX: Apply onebox blocked domain checks on every redirect (#16150) 2022-03-11 09:18:12 +03:00
associated_groups_controller.rb FEATURE: Experimental support for group membership via google auth (#14835) 2021-12-09 12:30:27 +00:00
badges_controller.rb UX: Add image uploader widget for uploading badge images (#12377) 2021-03-17 08:55:23 +03:00
bookmarks_controller.rb FEATURE: Topic-level bookmarks (#14353) 2021-09-21 08:45:47 +10:00
bootstrap_controller.rb DEV: Support for running theme test with Ember CLI (third attempt) 2022-01-13 16:02:07 -05:00
categories_controller.rb FEATURE: Introduce 'Subcategories with featured topics' view (#16083) 2022-03-04 21:11:59 +00:00
clicks_controller.rb DEV: enable frozen string literal on all files 2019-05-13 09:31:32 +08:00
composer_messages_controller.rb DEV: Upgrading Discourse to Zeitwerk (#8098) 2019-10-02 14:01:53 +10:00
csp_reports_controller.rb DEV: Only include "report-sample" CSP directive when reporting is enabled (#9337) 2020-04-02 11:16:38 -04:00
directory_columns_controller.rb DEV: Plugin API to add directory columns (#13440) 2021-06-22 13:00:04 -05:00
directory_items_controller.rb FIX: unable to filter user directory when sorted by user field. (#15951) 2022-02-16 07:57:35 +05:30
do_not_disturb_controller.rb DEV: Replace 'processed' column on notifications with new table (#11864) 2021-01-27 10:29:24 -06:00
drafts_controller.rb DEV: do not return no_result_help from the server (#15220) 2021-12-08 21:46:54 +04:00
edit_directory_columns_controller.rb FIX: Always serialize the correct attributes for DirectoryItems (#13510) 2021-06-23 14:55:17 -05:00
email_controller.rb FIX: set mailing_list_mode to false when unsubscribing from all (#10354) 2020-08-03 16:59:54 +10:00
embed_controller.rb UX: display correct replies count in embedded comments view. (#14175) 2021-08-30 10:37:53 +05:30
exceptions_controller.rb FEATURE: Add site setting to show more detailed 404 errors. (#8014) 2019-10-08 14:15:08 +03:00
export_csv_controller.rb DEV: Switch to new ExportUserArchive job 2020-08-28 11:46:53 -07:00
extra_locales_controller.rb Replace `base_uri` with `base_path` (#10879) 2020-10-09 12:51:24 +01:00
finish_installation_controller.rb DEV: Hash tokens stored from email_tokens (#14493) 2021-11-25 09:34:39 +02:00
forums_controller.rb DEV: Avoid `$` globals (#15453) 2022-01-08 23:39:46 +01:00
groups_controller.rb FIX: Sort group owners and members together (#15708) 2022-02-09 11:43:58 +02:00
hashtags_controller.rb DEV: Merge category and tag hashtags code paths (#10216) 2020-07-13 19:13:17 +03:00
highlight_js_controller.rb DEV: apply allow origin response header for CDN requests. (#11893) 2021-01-29 07:44:49 +05:30
inline_onebox_controller.rb FIX: Make inline oneboxes work with secured topics in secured contexts (#8895) 2020-02-12 12:11:28 +02:00
invites_controller.rb FEATURE: Show error if invite to topic is invalid (#15959) 2022-02-16 18:35:02 +02:00
list_controller.rb PERF: Revert all inboxes from messages route. (#14445) 2021-09-28 11:58:04 +08:00
metadata_controller.rb FIX: Remove svg icons from webmanifest shortcuts (#15765) 2022-02-01 15:26:58 -03:00
notifications_controller.rb REFACTOR: Improve support for consolidating notifications. (#14904) 2021-11-30 13:36:14 -03:00
offline_controller.rb DEV: enable frozen string literal on all files 2019-05-13 09:31:32 +08:00
onebox_controller.rb DEV: Add more debugging context to onebox generation 2020-10-22 12:50:22 +08:00
permalinks_controller.rb FIX: Check for permalinks before showing the 404 page 2020-03-23 16:31:07 -07:00
post_action_users_controller.rb FEATURE: Allow category group moderators to delete topics (#11069) 2020-11-05 12:18:26 -05:00
post_actions_controller.rb FEATURE: Admins can flag posts so they can review them later. (#12311) 2021-03-11 08:21:24 -03:00
post_readers_controller.rb DEV: '= true' is not necessary 2019-12-03 11:32:45 -03:00
posts_controller.rb FEATURE: use canonical links in posts.rss feed (#16190) 2022-03-15 20:17:06 +11:00
presence_controller.rb UX: Make PresenceChannel changes more responsive (#14733) 2021-10-26 21:15:20 +01:00
published_pages_controller.rb FIX: Do not enable published page if secure media enabled (#11131) 2020-11-06 10:33:19 +10:00
push_notification_controller.rb DEV: enable frozen string literal on all files 2019-05-13 09:31:32 +08:00
qunit_controller.rb DEV: Make Ember CLI assets the default in production (#15861) 2022-02-08 10:03:53 +00:00
reviewable_claimed_topics_controller.rb FEATURE: Allow group moderators to close/archive topics 2020-07-14 12:36:19 -04:00
reviewables_controller.rb FEATURE: Show stale reviewable to other clients (#13114) 2021-05-26 09:47:35 +10:00
robots_txt_controller.rb FEATURE: Replace `Crawl-delay` directive with proper rate limiting (#15131) 2021-11-30 12:55:25 +03:00
safe_mode_controller.rb FEATURE: Always disable customizations on the `/safe-mode` route (#9052) 2020-02-28 10:53:11 +00:00
search_controller.rb FIX: global setting needs to be coerced to float (#11162) 2020-11-09 16:46:52 +11:00
session_controller.rb UX: Add description to the 2FA page when adding new admins (#16098) 2022-03-04 06:43:06 +03:00
similar_topics_controller.rb PERF: Avoid parsing `Post#cooked` with Nokogiri for every search. 2020-07-24 10:43:09 +08:00
site_controller.rb DEV: Include `login_required` attribute in basic info endpoint (#14064) 2021-08-17 14:05:51 -04:00
static_controller.rb DEV: Correct service-worker sourceMappingURL (#15916) 2022-02-14 12:47:56 +00:00
steps_controller.rb DEV: Upgrading Discourse to Zeitwerk (#8098) 2019-10-02 14:01:53 +10:00
stylesheets_controller.rb DEV: Fix stylesheet manager flaky spec (#13846) 2021-07-26 14:22:54 +10:00
svg_sprite_controller.rb FIX: Use absolute URL when redirecting SVG sprite path. 2021-06-30 11:25:05 +08:00
tag_groups_controller.rb FIX: Allow finding non-lowercase tag groups (#12787) 2021-04-21 19:15:53 +02:00
tags_controller.rb FEATURE: ability to add description to tags (#15125) 2021-12-01 09:18:56 +11:00
theme_javascripts_controller.rb FEATURE: Allow theme tests to be run in production (take 2) (#12845) 2021-04-28 23:12:08 +03:00
topics_controller.rb PERF: avoid following links in topic RSS feeds (#16145) 2022-03-09 18:25:20 +11:00
uploads_controller.rb FIX: Better 0 file size detection and logging (#16116) 2022-03-07 12:39:33 +10:00
user_actions_controller.rb FIX: Sanitize parameters provided to user actions 2022-02-23 15:46:40 +01:00
user_api_keys_controller.rb FEATURE: Rename 'Discourse SSO' to DiscourseConnect (#11978) 2021-02-08 10:04:33 +00:00
user_avatars_controller.rb DEV: Fix methods removed in Ruby 3.2 (#15459) 2022-01-05 18:45:08 +01:00
user_badges_controller.rb FIX: simplify and improve choosing favorite badges (#13743) 2021-07-16 11:13:00 +08:00
users_controller.rb FIX: Allow admins to change user ignore list (#16129) 2022-03-09 14:51:30 +10:00
users_email_controller.rb DEV: Hash tokens stored from email_tokens (#14493) 2021-11-25 09:34:39 +02:00
webhooks_controller.rb DEV: Add bounce_error_code to EmailLog (#15948) 2022-02-15 14:17:26 +10:00
wizard_controller.rb DEV: Upgrading Discourse to Zeitwerk (#8098) 2019-10-02 14:01:53 +10:00