Explanation of the new Recycle Bin Framework for Liferay 6.2

1. LIFERAY DEVELOPER CONFERENCE
Using the Recycle Bin in
your applications
Giving a second chance to your content
Julio Camarero @juliocamarero
Sergio González @sgonzalezortiz
#LRDevCon2013

2. demo

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Adding Recycle
Bin to your app
30 min
millions of users
easy

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* Entities (service builder)
* Assets (helps)
* Indexed Entities
(see later talk)
* Workflow (helps)
Prerequisites

5. https://github.com/juliocamarero/jukebox
demo

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Moving entries to the
Recycle Bin
Step 1

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Set trash-enabled=true in Service Builder

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Set trash-enabled=true in Service Builder

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Set trash-enabled=true in Service Builder

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Implement TrashHandlers

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and define it in liferay-portlet.xml

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Service methods moveSongToTrash()

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Service methods moveSongToTrash()

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Service methods moveSongToTrash()

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... called from Action (MVC Portlet)

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... called from Action (MVC Portlet)

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... called from Action (MVC Portlet)

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... called from Action (MVC Portlet)

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... Used from the UI
demo

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trashRenderer
Implement your own and define it in in liferay-portlet.xml
OR
Reuse AssetRenderer
demo

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Restoring entries
from the Recycle Bin
Step 2

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Restore from trash

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Restore from trash

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Restore from trash

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Restore from trash

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Restore from trash

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Restore from trash

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Apply to trashHandler
Implement restoreTrashEntry method by calling to the new
service method
demo

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Upss.... (undo)
Step 3

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... the code to restore the song...

38. the code to display the taglib...
demo

39. the code to display the taglib...
demo

40. the code to display the taglib...
demo

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Moving/restoring
albums to the
Recycle Bin
Step 4

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Container-model=true in Service Builder

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Container-model=true in Service Builder

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Container-model=true in Service Builder

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Special care with containers
Methods moveDependentsToTrash and
restoreDependentsFromTrash
1. Update status of the song
2. Add trashVersion entity (instead of trashEntry)
3. Update asset visibility
4. Reindex the new entity
demo

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Resolving conflicts
Step 5

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1. Rename on removal (TrashUtil.getTrashTitle)

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1. Rename on removal (TrashUtil.getTrashTitle)

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1. Rename on removal (TrashUtil.getTrashTitle)
2. Restore name on restoral (TrashUtil.getOriginalTitle)

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1. Rename on removal (TrashUtil.getTrashTitle)
2. Restore name on restoral (TrashUtil.getOriginalTitle)

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1. Rename on removal (TrashUtil.getTrashTitle)
2. Restore name on restoral (TrashUtil.getOriginalTitle)
3. Put the name logic on the trashRenderer

52. LIFERAY DEVELOPER CONFERENCE 2013DEV
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1. Rename on removal (TrashUtil.getTrashTitle)
2. Restore name on restoral (TrashUtil.getOriginalTitle)
3. Put the name logic on the trashRenderer
4. Implement 2 methods in the trashHandler:
checkDuplicateTrashEntry / updateTitle
demo

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Thank you!
@juliocamarero
@sergiogonzalez
julio.camarero@liferay.com
sergio.gonzalez@liferay.com
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