> Perhaps instead of locking, we should add a simple version
> constraint.
> We could add a field to the page called version. Version would be
> incredimented every time the page is saved. Before the save the page
> would simply verify that the new version is only one higher
> than the old
> version. If the versions were not correct we would know that
> someone had
> edited the page in our absence and could request action from the user.
We've already got a version number - the modification date. All you'd
need to do would be to add:
<input type="hidden" name="last_modified" value="<%=
@page.updated_at.to_i if @page.updated_at %>">
And in the controller:
unless @page.updated_at.nil? || @page.updated_at.to_i ==
params[:last_modified]
flash[:notice] = "Some informative message here"
else
handle_new_or_edit_post
end
I just can't think of the message to display to the user, but that's
probably just a lack of sleep.
Dan.
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