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https://github.com/openedx/cs_comments_service

server side of the comment service
https://github.com/openedx/cs_comments_service

backend-service

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server side of the comment service

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README 

        
Part of `edX code`__.



__ http://code.edx.org/



edX Comments Service/Forums   |Build|_ |Codecov|_

==================================================

.. |Build| image:: https://github.com/openedx/cs_comments_service/workflows/RUBY%20CI/badge.svg?branch=master

.. _Build: https://github.com/openedx/cs_comments_service/actions?query=workflow%3A%22RUBY+CI%22



.. |Codecov| image:: http://codecov.io/github/edx/cs_comments_service/coverage.svg?branch=master

.. _Codecov: http://codecov.io/github/edx/cs_comments_service?branch=master



An independent comment system which supports voting and nested comments. It

also supports features including instructor endorsement for education-aimed

discussion platforms.



Getting Started

---------------

If you are running cs_comments_service as part of edx-platform__ development under

devstack, it is strongly recommended to read `those setup documents`__ first.  Note that

devstack will take care of just about all of the installation, configuration, and

service management on your behalf. If running outside of devstack, continue reading below.



__ https://github.com/openedx/edx-platform

__ https://github.com/openedx/configuration/wiki/edX-Developer-Stack



This service relies on Elasticsearch and MongoDB. By default the service will use the Elasticsearch server available at

`http://localhost:9200` and the MongoDB server available at `localhost:27017`. This is suitable for local development;

however, if you wish to change these values, refer to `config/application.yml` and `config/mongoid.yml` for the

environment variables that can be set to override the defaults.



Install the requisite gems:



.. code-block:: bash



    $ bundle install



To initialize indices:



Setup search indices. Note that the command below creates `comments_20161220185820323` and

`comment_threads_20161220185820323` indices and assigns `comments` and `comment_threads` aliases. This will enable you

to swap out indices (e.g. rebuild_index) without having to take downtime or modify code with a new index name.



.. code-block:: bash



    $ bin/rake search:initialize



To validate indices exist and contain the proper mappings:



.. code-block:: bash



    $ bin/rake search:validate_indices



To rebuild indices:



To rebuild new indices from the database and then point the aliases `comments` and `comment_threads` to each index

which has equivalent index prefix, you can use the rebuild_indices task. This task will also run catch up before

and after aliases are moved, to minimize time where aliases do not contain all documents.



.. code-block:: bash



    $ bin/rake search:rebuild_indices



You can also adjust the batch size (e.g. 200) and the sleep time (e.g. 2 seconds) between batches to lighten the load

on MongoDB.



.. code-block:: bash



    $ bin/rake search:rebuild_indices[200,2]



Run the server:



.. code-block::



    $ ruby app.rb



By default Sinatra runs on port `4567`. If you'd like to use a different port pass the `-p` parameter:



.. code-block::



    $ ruby app.rb -p 5678



Rake timeout configuration should be set as env varaiable, the default value is 15 second. to set to 20 second:



.. code-block::



    $ RACK_TIMEOUT_SERVICE_TIMEOUT=20 ruby app.rb -p 5678



Running Tests

-------------

Tests are built using the rspec__ framework, and can be run with the command below:



.. code-block::



    $ bin/rspec



If you'd like to view additional options for the command, append the `--help` option:



.. code-block::



    $ bin/rspec --help



__ http://rspec.info/



Running Tests with Docker

-------------------------

You can also use docker-compose to run your tests as follows (assuming you have

docker-compose installed):



.. code-block::



    $ docker-compose -f .github/docker-compose-ci.yml run --rm test-forum



To debug the tests using docker-compose, first start up the containers:



.. code-block::



    $ # Note: Ignore errors creating forum_testing container after it was already started

    $ docker-compose -f .github/docker-compose-ci.yml up



Next, shell into the container:



.. code-block::



    $ docker exec -it forum_testing bash



Finally, from inside the container, start the tests:



.. code-block::



    $ cd /edx/app/forum/cs_comments_service/

    $ .github/run_tests.sh



Tips:



* After running for the first time, you can speed up ``run_tests.sh`` by commenting out ``bundle install`` and ``sleep 10``, which is only needed the first time.

* Add ``binding.pry`` in code anywhere you want a breakpoint to start debugging.



Internationalization (i18n) and Localization (l10n)

---------------------------------------------------



To run the comments service in a language other than English, set the

``SERVICE_LANGUAGE`` environment variable to the `language code` for the

desired language.  Its default value is en-US.



Setting the language has no effect on user content stored by the service.

However, there are a few data validation messages that may be seen by end

users via the frontend in edx-platform__.  These will be

translated to ``SERVICE_LANGUAGE`` assuming a suitable translation file is

found in the locale/ directory.



__ https://github.com/openedx/edx-platform



edX uses Transifex to host translations. To use the Transifex client, be sure

it is installed (``pip install transifex-client`` will do this for you), and

follow the instructions here__ to set up your ``.transifexrc`` file.



__ http://support.transifex.com/customer/portal/articles/1000855-configuring-the-client



To upload strings to Transifex for translation when you change the set

of translatable strings: ``bin/rake i18n:push``



To fetch the latest translations from Transifex: ``bin/rake i18n:pull``



The repository includes some translations so they will be available

upon deployment. To commit an update to these: ``bin/rake i18n:commit``



License

-------



The code in this repository is licensed under version 3 of the AGPL unless

otherwise noted.



Please see ``LICENSE.txt`` for details.



How to Contribute

-----------------



Contributions are very welcome. The easiest way is to fork this repo, and then

make a pull request from your fork. The first time you make a pull request, you

may be asked to sign a Contributor Agreement.



Reporting Security Issues

-------------------------



Please do not report security issues in public. Please email [email protected]



Mailing List and IRC Channel

----------------------------



You can discuss this code on the `edx-code Google Group`__ or in the

``edx-code`` IRC channel on Freenode.



__ https://groups.google.com/forum/#!forum/edx-code