[web2py] Re: How to update db record using ajax?

[Leonel Câmara]

I usually have a controller like this:
 
   def update_or_insert_thing():
        response.view ='generic.json'
        ret = None
        if request.vars:
            if request.vars.id:
                request.vars.id = int(request.vars.id)
                ret = db(db.thing.id == request.vars.id).validate_and_update
(**request.vars)
            else:
                ret = db.thing.validate_and_insert(**request.vars)
            if ret and ret.errors:
                response.flash = T('Validation Errors')
                return {'id': request.vars.id or ret.id, 'errors': ret.
errors}
            return {'id': request.vars.id or ret.id, 'errors': []}
        return {}


Then all you need is to post to it using your dict as the data. Something 
like this

    $.ajax(
        {
          url: "{{=URL('default', 'update_or_insert_thing')}}",
          method: 'POST',
          data: {"id":3, "firstName":"John", "lastName":"Doe"}
          dataType: 'json'
        }
    ).done(function(data) {... // Here you should deal with validation 
errors

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