Lightning Offline Sync

This page is for tracking the Lightning Offline Sync Feature to be completed as part of the Google Summer of Code 2011 programme.

TODOs

Item Name	Priority	Owner	Deadline	Progress	Comments
Adapt schema initialization and versioning code (calCalendarManager)		mohit			Create "offline journal" columns
Add search flags "ITEM_FILTER_OFFLINE_DELETED", "ITEM_FILTER_OFFLINE_CREATED" and "ITEM_FILTER_OFFLINE_UPDATED"		wolfgang		done
Check whether "ITEM_FILTER_ALL_ITEMS" is used in the views, if so, we need to create "ITEM_FILTER_ALL_ONLINE_ITEMS" ("ITEM_FILTER_ALL_ITEMS" & ~ITEM_FILTER_OFFLINE_DELETED)		wolfgang		cancelled	Not needed since ALL_ITEMS = 0xffff and our flags are = [29..31]
Adapt getItems in calStorageCalendar with the above and the GUI code if required		mohit
Adapt mSelectNonRecurringEventsByRange and this.mSelectNonRecurringTodosByRange queries		mohit
Write offline write method (calStorageCalendar::addOfflineItem)					To be discussed
Write offline delete method (calStorageCalendar::deleteOfflineItem)		mohit
Write offline update method (calStorageCalendar::updateOfflineItem)
Test the above		wolfgang/mohit			Testing steps should be discussed
Write replay method
Write "switch code" in calCachedCalendar					switch code = offline to online mode and back
test the above		wolfgang/mohit			Testing steps shud be discussed
Adapt code from Lightning 1.0b2 to HEAD		mohit

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Efficient model for state updates during offline operations

From/To	Created	Modified	Deleted
(without state)	Mark as "created"	Mark as "modified"	Mark as "deleted"
Created	(none)	Keep as "created"	Delete record
Modified	(none)	Keep as "modified"	Mark as deleted
Deleted	(none)	(none)	(none)