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Added SaaS readme file

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Marc Aymerich 2016-05-27 10:19:37 +00:00
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orchestra/contrib/saas/README.md
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@ -23,7 +23,7 @@ class DrupalService(SoftwareService):
Additional attributes can be used to further customize the service class to your needs.
### Custom forms
If the service needs to keep track of additional information you should provide an extra form and serializer. For example, WordPress requires you to provide an *email_address* for account creation, and the assigned blog ID is required for effectively update account state or delete it. In this case we provide two forms:
If a service needs to keep track of additional information (other than a user/site name, is_active, custom_url, or database) an extra form and serializer should be provided. For example, WordPress requires to provide an *email address* for account creation, and the assigned *blog ID* is required for effectively identify the account for being able to perform update and delete operations. In this case we provide two forms:
```python
class WordPressForm(SaaSBaseForm):
@ -43,7 +43,7 @@ class WordPressChangeForm(WordPressForm):
### Serializer for extra data
In case we need to save extra information of the service (email and blog_id in our current example) we should provide a serializer that serializes this bits of information into JSON format and can be saved into the database data field.
In case we need to save extra information of the service (email and blog_id in our current example) we should provide a serializer that serializes this bits of information into JSON format so they can be saved and retrieved from the database data field.
```python
class WordPressDataSerializer(serializers.Serializer):
@ -74,9 +74,9 @@ Notice that two optional forms can be provided `form` and `change_form`. When no
## Backend
A backend class is required to interface with the web application and perform `save()` and `delete()` operations on it.
A backend class is required to interface with the web application and perform `save()` and `delete()` operations on it. The more reliable way of interfacing with the application is by means of a CLI (e.g. [Moodle](backends/moodle.py), but not all CMS come with this tool. The second preferable way is using some sort of API, possibly HTTP-based (e.g. [gitLab](backends/gitlab.py). This is less reliable because additional moving parts are used underneath the interface; a busy web server can timeout our requests. The least preferred way is interfacing with an HTTP-HTML interface designed for human consumption, really painful to implement but sometimes is the only way (e.g. [WordPress](backends/wordpressmu.py)).
The more reliable way of interfacing with the application is by means of a CLI (e.g. [Moodle](backends/moodle.py), but not all CMS come with this tool. The second preferable way is using some sort of API, possibly HTTP-based (e.g. [gitLab](backends/gitlab.py). This is less reliable because additional moving parts are used underneath the interface; a busy web server can timeout our requests. The least preferred way is interfacing with an HTTP-HTML interface designed for human consumption, really painful to implement but sometimes is the only way (e.g. [WordPress](backends/wordpressmu.py)).
Some applications do not support multi-tenancy by default, but we can hack the configuration file of such apps and generate *table prefix* or *database name* based on some property of the URL. Example of this services are [moodle](backends/moodle.py) and [phplist](backends/phplist.py) respectively.