[POC] Generate node types command

[dantleech]

This is just a quick sketch of a command to generate CND files (just namespaces and names, no properties / children definitions).

In general binding document classes to node types will enable much more efficient filtering and selecting (e.g. SELECT * FROM MyBundle:Article WHERE title = "foobar")

Obviously there is quite a large scope here, but just to follow on from what was the issue where we discussed this?

Next steps:

• Add configuration option to automatically assign node types to documents
• Provide node type migrate command (?)

[dantleech]

We can get a namespace URL from the bundle container extension, which is quite neat.

I also use the name of the extension as the alias, we could also use the bundle name (normally the difference between acme_basic_cms and AcmeBasicCmsBundle)

[dbu]

interesting, seems its not even that hard to build basic node type definitions.

i think the logic to build cnd from metadata should go into a service. configured with a map of folders to look in and name prefix to use. that logic should live in phpcr-odm, not the bundle, as its not symfony specific.

and i wonder if we should not generate one single file in the project, in the same principle as the orm doctrine:migrations:* command. depending on what i want to do, i might want the file there, or i could want it with my bundle, if the bundle is its own repository...

migration is problematic, because its not possible to delete node types or remove properties from them.

[lsmith77]

imho this is quite interesting though we then also need to work on better support for changing node types

[dbu]

should this go into phpcr-odm rather than the bundle?

[dantleech]

I guess that would be the expected thing to do.