[Sugar-devel] Datastore API for html activities (Daniel Narvaez)

[lionel at olpc-france.org]

> I wonder if we actually need something like that (we have an activity
object where we could put it) or if it's better to just let the activity

> author decide when saving/loading is necessary, using the TextObject stuff
I proposed.

> It feels a bit inflexible to have the activity request read/writes so
directly. I'd rather have notification that the activity is closing, then
the 

> activity author decides what needs to be done.

 

Not fully agree. The easiest activity has just to write a single entry in
the journal with “standard” metadata and a screen capture. In Python,
nothing has to be written to create this entry. I guess that it’s why the
read_file and write_file has been written. So I think we must provide the
same feature in the HTML DataStore API instead of forcing to create a new
entry each time.

 

 

 

> datastore.find(query, properties, onFound);

 

> I have no idea what query/properties contains but I suppose it's
documented somewhere :)

 

Yes here :-)  [1] 

query is for full-text search, properties is for filter search.

 

 

> Can you explain the use case for these?

To write an activity like SugarCommander [2].

                Lionel.

            

 

[1]
http://wiki.sugarlabs.org/go/Development_Team/Low-level_Activity_API#Queryin
g 

[2] http://activities.sugarlabs.org/fr/sugar/addon/4291 

 

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