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55 lines
2.1 KiB
Markdown
55 lines
2.1 KiB
Markdown
# URL Hooks
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```eval_rst
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.. note::
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URLs added through URL Hooks are protected by a decorator which ensures the requesting user is logged in and has a main character set.
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```
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The URL hooks allow you to dynamically specify URL patterns from your plugin app or service. To achieve this you should subclass or instantiate the `services.hooks.UrlHook` class and then register the URL patterns with the hook.
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To register a UrlHook class you would do the following:
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@hooks.register('url_hook')
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def register_urls():
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return UrlHook(app_name.urls, 'app_name', r^'app_name/')
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The `UrlHook` class specifies some parameters/instance variables required for URL pattern inclusion.
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`UrlHook(urls, app_name, base_url)`
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#### urls
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The urls module to include. See [the Django docs](https://docs.djangoproject.com/en/dev/topics/http/urls/#example) for designing urlpatterns.
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#### namespace
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The URL namespace to apply. This is usually just the app name.
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#### base_url
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The URL prefix to match against in regex form. Example `r'^app_name/'`. This prefix will be applied in front of all URL patterns included. It is possible to use the same prefix as existing apps (or no prefix at all) but [standard URL resolution](https://docs.djangoproject.com/en/dev/topics/http/urls/#how-django-processes-a-request) ordering applies (hook URLs are the last ones registered).
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### Example
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An app called `plugin` provides a single view:
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def index(request):
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return render(request, 'plugin/index.html')
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The app's `urls.py` would look like so:
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from django.conf.urls import url
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import plugin.views
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urlpatterns = [
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re_path(r^'index$', plugins.views.index, name='index'),
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]
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Subsequently it would implement the UrlHook in a dedicated `auth_hooks.py` file like so:
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from alliance_auth import hooks
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from services.hooks import UrlHook
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import plugin.urls
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@hooks.register('url_hook')
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def register_urls():
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return UrlHook(plugin.urls, 'plugin', r^'plugin/')
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When this app is included in the project's `settings.INSTALLED_APPS` users would access the index view by navigating to `https://example.com/plugin/index`.
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