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79 lines
2.8 KiB
Plaintext
79 lines
2.8 KiB
Plaintext
===============================================
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Upgrading from Django's previous comment system
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===============================================
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Prior versions of Django included an outdated, undocumented comment system. Users who reverse-engineered this framework will need to upgrade to use the
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new comment system; this guide explains how.
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The main changes from the old system are:
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* This new system is documented.
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* It uses modern Django features like :doc:`forms </topics/forms/index>` and
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:doc:`modelforms </topics/forms/modelforms>`.
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* It has a single ``Comment`` model instead of separate ``FreeComment`` and
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``Comment`` models.
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* Comments have "email" and "URL" fields.
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* No ratings, photos and karma. This should only effect World Online.
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* The ``{% comment_form %}`` tag no longer exists. Instead, there's now two
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functions: ``{% get_comment_form %}``, which returns a form for posting a
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new comment, and ``{% render_comment_form %}``, which renders said form
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using the ``comments/form.html`` template.
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* The way comments are include in your URLconf have changed; you'll need to
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replace::
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(r'^comments/', include('django.contrib.comments.urls.comments')),
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with::
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(r'^comments/', include('django.contrib.comments.urls')),
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Upgrading data
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--------------
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The data models for Django's comment system have changed, as have the
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table names. Before you transfer your existing data into the new comments
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system, make sure that you have installed the new comments system as
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explained in the
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:doc:`quick start guide </ref/contrib/comments/index>`.
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This will ensure that the new tables have been properly created.
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To transfer your data into the new comments system, you'll need to directly
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run the following SQL:
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.. code-block:: sql
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BEGIN;
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INSERT INTO django_comments
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(content_type_id, object_pk, site_id, user_name, user_email, user_url,
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comment, submit_date, ip_address, is_public, is_removed)
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SELECT
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content_type_id, object_id, site_id, person_name, '', '', comment,
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submit_date, ip_address, is_public, not approved
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FROM comments_freecomment;
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INSERT INTO django_comments
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(content_type_id, object_pk, site_id, user_id, user_name, user_email,
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user_url, comment, submit_date, ip_address, is_public, is_removed)
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SELECT
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content_type_id, object_id, site_id, user_id, '', '', '', comment,
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submit_date, ip_address, is_public, is_removed
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FROM comments_comment;
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UPDATE django_comments SET user_name = (
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SELECT username FROM auth_user
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WHERE django_comments.user_id = auth_user.id
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) WHERE django_comments.user_id is not NULL;
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UPDATE django_comments SET user_email = (
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SELECT email FROM auth_user
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WHERE django_comments.user_id = auth_user.id
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) WHERE django_comments.user_id is not NULL;
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COMMIT;
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