Lightning Offline Sync: Difference between revisions

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Lightning Offline Sync (view source)

Revision as of 02:01, 15 October 2011

1,144 bytes added ,  15 October 2011
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<br>  
<br>  
== Testing  ==
Testing needs to be done for events, todos, recurring events and todos and the 3 modes, startup, online, offline.
{| width="100%" cellspacing="1" cellpadding="1" border="1"
|+ Testing Scenarios
|-
| '''Scenario<br>'''
| '''Events'''<br>
| '''TODOs'''<br>
| '''Recurring Events and TODOs'''<br>
|-
| Startup to online<br>
|
Changes should be played back.
In case of conflicts (server copy changed) User is prompted For Full sync provider, Need to resolve the deletion of cache<br>
Update offline flag
| Changes should be played back.
In case of conflicts (server copy changed) User is prompted<br>
| Same<br>
|-
| Offline to Online<br>
| Changes played back<br>
| <br>
| <br>
|-
| Offline to offline<br>
| Changes remain in the cache, offline flag stays<br>
| Changes remain in the cache and viewed visually<br>
| <br>
|-
| Online to online<br>
| Playback the changes, update cache<br>
| <br>
| <br>
|-
| Online to Offline<br>
| No refresh.<br>
| <br>
| <br>
|}
<br>


== TODOs  ==
== TODOs  ==
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Adapt schema initialization and versioning code (calCalendarManager)  
Adapt schema initialization and versioning code (calCalendarManager)  


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mohit  
mohit  


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| done  
| done  
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Add search flags "ITEM_FILTER_OFFLINE_DELETED", "ITEM_FILTER_OFFLINE_CREATED" and "ITEM_FILTER_OFFLINE_UPDATED"  
Add search flags "ITEM_FILTER_OFFLINE_DELETED", "ITEM_FILTER_OFFLINE_CREATED" and "ITEM_FILTER_OFFLINE_UPDATED"  


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wolfgang  
wolfgang  


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| done  
| done  
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<strike>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" &amp; ~ITEM_FILTER_OFFLINE_DELETED)</strike>  
<strike>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" &amp; ~ITEM_FILTER_OFFLINE_DELETED)</strike>  


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wolfgang  
wolfgang  


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| cancelled  
| cancelled  
| Not needed since ALL_ITEMS = 0xffff and our flags are = [29..31]
| Not needed since ALL_ITEMS = 0xffff and our flags are = [29..31]
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Adapt getItems in calStorageCalendar with the above <strike>and the GUI code if required</strike>  
Adapt getItems in calStorageCalendar with the above <strike>and the GUI code if required</strike>  


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mohit  
mohit  


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| done  
| done  
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Adapt mSelectNonRecurringEventsByRange and this.mSelectNonRecurringTodosByRange queries  
Adapt mSelectNonRecurringEventsByRange and this.mSelectNonRecurringTodosByRange queries  


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mohit  
mohit  


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| done  
| done  
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|-
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Write offline addItem method (calStorageCalendar::addOfflineItem)  
Write offline addItem method (calStorageCalendar::addOfflineItem)  


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| mohit  
| mohit  
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| <br>
| done  
| done  
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Write offline delete method (calStorageCalendar::deleteOfflineItem)  
Write offline delete method (calStorageCalendar::deleteOfflineItem)  


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| mohit  
| mohit  
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| <br>
| done  
| done  
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Write offline modify method (calStorageCalendar::modifyOfflineItem)  
Write offline modify method (calStorageCalendar::modifyOfflineItem)  


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mohit  
mohit  


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| done  
| done  
| *Note* cachedCalendar::modifyItem deletes the old item before putting in the new item with the changes hence the offline_flag is lost. Solution: make offline_journal flag part of the interface..&nbsp;
| *Note* cachedCalendar::modifyItem deletes the old item before putting in the new item with the changes hence the offline_flag is lost. Solution: make offline_journal flag part of the interface..&nbsp;
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Test the above  
Test the above  


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| <br>
| wolfgang/mohit  
| wolfgang/mohit  
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| <br>
| done  
| done  
| Testing steps should be discussed
| Testing steps should be discussed
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Write replay method  
Write replay method  


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mohit  
mohit  


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| <br>
| done  
| done  
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| <br>
|-
|-
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Write "switch code" in calCachedCalendar  
Write "switch code" in calCachedCalendar  


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| wolfgang  
| wolfgang  
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| <br>
| done  
| done  
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test the above  
test the above  


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wolfgang/mohit  
wolfgang/mohit  


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| done
| done  
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Testing steps shud be discussed  
Testing steps shud be discussed  
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|-
|-
| Design a workflow for handling errors pertaining to unavailability of server + replaying the changes when back online  
| Design a workflow for handling errors pertaining to unavailability of server + replaying the changes when back online  
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| mohit  
| mohit  
|  
| <br>
| done
| done  
| Needs discussion with Wolfgang afterwards
| Needs discussion with Wolfgang afterwards
|-
|-
| Implement the above workflow after discussion  
| Implement the above workflow after discussion  
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| <br>
| mohit  
| mohit  
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| <br>
| done
| done  
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| <br>
|-
|-
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Adapt code from Lightning 1.0b2 to HEAD  
Adapt code from Lightning 1.0b2 to HEAD  


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mohit  
mohit  


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| done
| done  
| Should be done at the very end of the above
| Should be done at the very end of the above
|}
|}
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----
----


<br>
<br>  


== Workflows  ==
== Workflows  ==
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== Efficient model for state updates during offline operations  ==
== Efficient model for state updates during offline operations  ==


{| border="1" cellpadding="1" cellspacing="1"
{| cellspacing="1" cellpadding="1" border="1"
|-
|-
! scope="row" | From/To  
! scope="row" | From/To  
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#more or less off-topic: the caldav conflict dialog does not show the differences between events
#more or less off-topic: the caldav conflict dialog does not show the differences between events


== ICS Provider Issues ==
== ICS Provider Issues ==
#ICS Provider knows nothing about the cache, hence it needs to be modified properly to allow it to make use of cache for playing back the entries to the server.
 
#Memory calendar assumes that every new item that is added needs to have no ID (it generates one for the item) This is not true for cached entries, they already have an entry.
#ICS Provider knows nothing about the cache, hence it needs to be modified properly to allow it to make use of cache for playing back the entries to the server.  
#Memory calendar assumes that every new item that is added needs to have no ID (it generates one for the item) This is not true for cached entries, they already have an entry.  
#Possible loss of offline cached entries during a full sync.
#Possible loss of offline cached entries during a full sync.
Mohitkanwal
43

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