1. #1
    Sencha User serdemwigi's Avatar
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    Default Unanswered: Making some part of data offline and how tho synchronize the with server

    Unanswered: Making some part of data offline and how tho synchronize the with server


    my application gets many data from server such as:

    categories, available cities, available zip codes ( which are very rarely changed!)
    doctor information (which depends on user geo location and changes often)

    To make the application performance better I want to save the rarely changed data offline in localstorage. On the other hand I must detect in any way that my localstorage is not uptodate and if this is the case I must update them.

    Question is: How can I detect that localstorage data is not uptodate and there is a need to synchronize them again with server.

    This is a standart problem for applications with server - client communication so I hope there exist a standard solution pattern for it.

    Thanks a lot for any hint.

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    I have timestamps of last data update and save it along with the localstorage data. I would then do an Ajax call to see if a newer timestamp is available, if it is then I get data and save it to localstorage store and update.
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  3. #3
    Sencha User serdemwigi's Avatar
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    Do you have a code fragment for this?

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