[Bugs] #901 UNSP: browse should use a better name when uploading an entry from the journal

[SugarLabs Bugs]

#901: browse should use a better name when uploading an entry from the journal
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    Reporter:  tomeu                      |          Owner:  tomeu                      
        Type:  defect                     |         Status:  new                        
    Priority:  Unspecified by Maintainer  |      Milestone:  Unspecified by Release Team
   Component:  journal                    |        Version:  Unspecified                
    Severity:  Unspecified                |     Resolution:                             
    Keywords:                             |   Distribution:  Unspecified                
Status_field:  Unconfirmed                |  
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Comment(by tomeu):

 We may be able to split it in separate issues:

 * The extension should be stored and preserved. Possible problem: what if
 the user opens the entry with some activity that changes the format in
 which the file is saved?

 * The base file name should be stored and preserved. Possible problem:
 what should we do if the user changes the title? Should we discard the old
 filename and generate a new one from the entry title?

 I think this ticket could be dealt solely from the Browse activity, but
 depending on the solution we may be able to implement it in the datastore
 and benefit other use cases.

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Ticket URL: <http://dev.sugarlabs.org/ticket/901#comment:1>
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