🐀 Building a federated link aggregator in rust
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Dessalines 9250460b11
Add endpoint to get Liked / Disliked comments and posts. (#5616)
* migration

* update code

* tests

* triggers

* fix

* fmt

* clippy

* post aggregate migration

* changes for post aggregate code

* wip: update tests for post aggregate

* format

* fix partialeq

* trigger fix

* fix post insert trigger

* wip

* reorder

* fixes

* community aggregate migration

* update code

* triggers

* person aggregate migration

* person aggregate code

* person triggers

* test fixes

* fix scheduled task

* update api tests

* site_aggregates to local_site migration

* site_aggregates code changes

* triggers, tests

* more fixes

* Rename PersonPostAggregates to PostActions

* Merge local_user_vote_display_mode into local_user

* fix schema

* Extracting pagination cursor utils into a trait.

- Fixes #5275

* Refactoring to avoid stack overflows.

* Fixing api_common feature.

* Adding pagination for GetBannedPersons.

- Must come after #5424
- Fixes #2847

* Starting to work on removing rest of page / limit.

* Issues with community pagination.

* Rename the traits and paginationcursor::new

* remove duplicate fields

* remove "aggregates" from index names

* uncomment indices

* if count = 0

* Using combined trait.

* remove commentaggregates

* Fix triggers in remove aggregates tables pr (#5451)

* prevent all db_schema test errors

* fix the delete_comments_before_post problem in a way that doesn't affect the returned number of affected rows

* remove unnecessary recursion checks and add comment to remaining check

* clean up

* Fixing SQL format.

* Update triggers.sql

* Update triggers.sql

* Update triggers.sql

* Update triggers.sql

* remove update of deleted column

---------

Co-authored-by: Dessalines <tyhou13@gmx.com>

* rename migration

* Fix migration errors

* Move community.hidden to visibility (fixes #5458)

* Removing empty files.

* Fixing person_saved_combined. (#5481)

* Remove comment and post specific action structs. #5473

* Doing reports

* fix up migration by dropping index

* also add enum variant `LocalOnlyPublic`, rename `LocalOnly` to `LocalOnlyPrivate`

fixes #5351

* fix column order in down.sql

* wip

* Moving blocks.

* Adding a few more views.

* more wip

* fixes

* migration for modlog

* fix migration

* Working views and schema.

* Fix ts_optionals.

* wip

* db_schema compiling

* make the code compile

* Merging from main.

* lint

* Fixing SQL format.

* fix down migration

* Fixing api tests.

* Adding field comments for the actions tables.

* Refactoring CommunityFollower to include follow_state

* fix test

* make hidden status federate

* ts attr

* fix

* fix api test

* Update crates/api/src/reports/post_report/resolve.rs

Co-authored-by: Nutomic <me@nutomic.com>

* Addressing PR comments

* Fix ts export.

* update api client

* review

* Extracting filter_not_hidden_or_is_subscribed (#5497)

* Extracting filter_not_hidden_or_is_subscribed

* Cleanup.

* Cleanup 2.

* Remove follower_state_helper function.

* Cleaning up some utils functions.

* rename hidden to unlisted

* Updating lemmy-js-client.

* Fixing a few cases.

* Fixing list_banned.

* Starting to convert to lemmy results.

* Fixing vote_view.

* Close to finishing up errors.

* Got compiling.

* Remove tracing for CI.

* Removing unused errors.

* Fixing merge from main.

* lower_name community_view sort.

* Syntax errors.

* Removing rest of Result from db_schema, db_views.

* Finally compiling again.

* fmt.

* Subpath tries again.

* Adding some more indexes./

* Fixing shear.

* Fix keyword_blocks test.

* @dullbananas fixes to Subpath, fixing comment tests.

* sql fmt

* Fixing unused error.

* API test fixing

* Moving read_only_posts to its own endpoint, sorted by read date.

- Fixes #5505

* Adding endpoint to list hidden posts.

- Fixes #5607

* Adding a first_id helper function.

* Fixing api_common

* Adding a person/liked endpoint for posts and comments.

- Fixes #4499

* Get rid of old liked_only filters.

* Formatting sql.

* Clippy

* Fixing view tests.

* SQL fmt

* Addressing PR comments

* Addressing PR comments 1.

* Using id desc.

* Addressing PR comments 2.

* Removing the reverse_timestamp keys for the post table.

* Make community_title and community_lower_name indexes desc

* Remove featured_community from post sort

* Forgot to drop index.

* Addressing PR comments

* Fixing clippy.

* Adding person_local column to post_actions and comment_actions

* Fixing pg_format

* Fixing pg_format 2

* Revert "Adding person_local column to post_actions and comment_actions"

This reverts commit e5145d8b07.

* Adding local person check to liked and saved combined.

* Formatting sql.

* Adding local check to migration.

* Addressing PR comments

* Try to add versioned pg_formatter 1

* Try to add versioned pg_formatter 2

* Try to add versioned pg_formatter 3

* Try to add versioned pg_formatter 4

* Moving back to correct location.

---------

Co-authored-by: Felix Ableitner <me@nutomic.com>
Co-authored-by: dullbananas <dull.bananas0@gmail.com>
2025-06-02 11:15:27 +02:00
.github Cleanup root folder of repo (#5712) 2025-05-30 04:35:43 -04:00
api_tests Federate community reports, and send report create/update/resolve activities to report creator's instance (#5496) 2025-05-27 14:13:53 -04:00
config Add comment for database pool size memory size (#5503) 2025-03-14 09:53:45 -04:00
crates Add endpoint to get Liked / Disliked comments and posts. (#5616) 2025-06-02 11:15:27 +02:00
docker Change local_image to reference person_id, to track thumbnail creators. (#5664) 2025-05-19 15:30:02 -04:00
migrations Add endpoint to get Liked / Disliked comments and posts. (#5616) 2025-06-02 11:15:27 +02:00
readmes Add ko-fi (#5637) 2025-04-24 08:45:23 -04:00
scripts Add endpoint to get Liked / Disliked comments and posts. (#5616) 2025-06-02 11:15:27 +02:00
src Add endpoint to get Liked / Disliked comments and posts. (#5616) 2025-06-02 11:15:27 +02:00
.dockerignore Remove git-tracked paths from .dockerignore (#5590) 2025-04-03 11:14:30 +02:00
.gitattributes Added gitattributes to normalize all files to lf (#3386) 2023-06-29 10:16:11 +02:00
.gitignore Cleanup root folder of repo (#5712) 2025-05-30 04:35:43 -04:00
.gitmodules Send out email after registration denied, email confirmed (fixes #5547) (#5553) 2025-04-01 10:24:05 +02:00
.rustfmt.toml Configure max comment width in clippy (#4738) 2024-05-23 08:46:26 -04:00
.woodpecker.yml Add endpoint to get Liked / Disliked comments and posts. (#5616) 2025-06-02 11:15:27 +02:00
Cargo.lock Add endpoint to get Liked / Disliked comments and posts. (#5616) 2025-06-02 11:15:27 +02:00
Cargo.toml Add endpoint to get Liked / Disliked comments and posts. (#5616) 2025-06-02 11:15:27 +02:00
cliff.toml Removing renovate from git cliff (#4858) 2024-06-21 17:38:44 -04:00
diesel.toml Move sql schema to separate Rust crate (#5581) 2025-04-03 19:21:27 -04:00
LICENSE Initial commit 2019-02-14 09:17:18 -08:00
README.md Add ko-fi (#5637) 2025-04-24 08:45:23 -04:00
renovate.json Update renovate config (#5109) 2024-10-11 09:30:26 +02:00

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Lemmy

A link aggregator and forum for the fediverse.

Join Lemmy · Documentation · Matrix Chat · Report Bug · Request Feature · Releases · Code of Conduct

About The Project

Desktop Mobile
desktop mobile

Lemmy is similar to sites like Reddit, Lobste.rs, or Hacker News: you subscribe to forums you're interested in, post links and discussions, then vote, and comment on them. Behind the scenes, it is very different; anyone can easily run a server, and all these servers are federated (think email), and connected to the same universe, called the Fediverse.

For a link aggregator, this means a user registered on one server can subscribe to forums on any other server, and can have discussions with users registered elsewhere.

It is an easily self-hostable, decentralized alternative to Reddit and other link aggregators, outside of their corporate control and meddling.

Each Lemmy server can set its own moderation policy; appointing site-wide admins, and community moderators to keep out the trolls, and foster a healthy, non-toxic environment where all can feel comfortable contributing.

Why's it called Lemmy?

Built With

Features

  • Open source, AGPL License.
  • Self hostable, easy to deploy.
  • Clean, mobile-friendly interface.
    • Only a minimum of a username and password is required to sign up!
    • User avatar support.
    • Live-updating Comment threads.
    • Full vote scores (+/-) like old Reddit.
    • Themes, including light, dark, and solarized.
    • Emojis with autocomplete support. Start typing :
    • User tagging using @, Community tagging using !.
    • Integrated image uploading in both posts and comments.
    • A post can consist of a title and any combination of self text, a URL, or nothing else.
    • Notifications, on comment replies and when you're tagged.
      • Notifications can be sent via email.
      • Private messaging support.
    • i18n / internationalization support.
    • RSS / Atom feeds for All, Subscribed, Inbox, User, and Community.
  • Cross-posting support.
    • A similar post search when creating new posts. Great for question / answer communities.
  • Moderation abilities.
    • Public Moderation Logs.
    • Can sticky posts to the top of communities.
    • Both site admins, and community moderators, who can appoint other moderators.
    • Can lock, remove, and restore posts and comments.
    • Can ban and unban users from communities and the site.
    • Can transfer site and communities to others.
  • Can fully erase your data, replacing all posts and comments.
  • NSFW post / community support.
  • High performance.
    • Server is written in rust.
    • Supports arm64 / Raspberry Pi.

Installation

Lemmy Projects

Support / Donate

Lemmy is free, open-source software, meaning no advertising, monetizing, or venture capital, ever. Your donations directly support full-time development of the project.

Lemmy is made possible by a generous grant from the NLnet foundation.

Crypto

  • bitcoin: 1Hefs7miXS5ff5Ck5xvmjKjXf5242KzRtK
  • ethereum: 0x400c96c96acbC6E7B3B43B1dc1BB446540a88A01
  • monero: 41taVyY6e1xApqKyMVDRVxJ76sPkfZhALLTjRvVKpaAh2pBd4wv9RgYj1tSPrx8wc6iE1uWUfjtQdTmTy2FGMeChGVKPQuV

Contributing

Read the following documentation to setup the development environment and start coding:

When working on an issue or pull request, you can comment with any questions you may have so that maintainers can answer them. You can also join the Matrix Development Chat for general assistance.

Translations

Community

Code Mirrors

Credits

Logo made by Andy Cuccaro (@andycuccaro) under the CC-BY-SA 4.0 license.