Re: [Zope] Last modified - including contents?
Marcin Kasperski writes:
Two questions related to presenting 'last modified at ...' message on HTML page.
1) I have some pages (for instance my website news page or some indexes) which are dynamically build from another pages (usually via dtml-in - reading elements of some type from some folder). Does there exist any easy way to present the _newest_ bobobase_modification_time for all used elements? Currently on my news page I show 'last modified at 2000/08/14' although in fact this page has been modified at '2000/09/16'... "bobobase_modification_time" is a "DateTime.DateTime" object.
You can compare such objects and compute the maximal value as you process the page components, something like: <dtml-call "REQUEST.set('maxdate',this().bobobase_modification_time)"> <!-- ATTENTION: will work only for DTML documents, not for methods --> <dtml-in ...> <dtml-if "maxdate < bobobase_modification_time"> <dtml-call "REQUEST.set('maxdate',bobobase_modification_time)"> </dtml-if> ..... </dtml-in> <dtml-var maxdate> <!-- the maximal date -->
2) Similar question related to marking website parts as 'New' or 'Recently changed' in different indexes. What is the easiest way to calculate date of the newest change in the whole folder hierarchy starting from the given folder? You first enumerate all objects with "ZopeFind" (documented, e.g., in the Zope object reference --> zdp.zope.org) and then compute the maximum as shown above.
Dieter
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Dieter Maurer