Thread: OPDS Content Server to provide last modification date
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Old 09-03-2016, 11:07 AM   #4
mattcurtis
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Quote:
Originally Posted by kovidgoyal View Post
You want a last modified date for the individual e-book files or the overall book metadata? In which OPDS feed, the acquisition feed? In what format?
In the OPDS feed perhaps on a global basis, with a date element indicating last modified file date & last modified metadata date of any book. This would be useful for determining if anything had changed since the feed was last checked, and when it changed.

As for the Acquisition Feed, it would be great if each entry had the same as above, file date modified & metadata modified, with a bonus: file hashes! MD5 preferably. Would be incredibly useful for comparing files.

Bonus question: Exactly what does Calibre base the existing <updated /> elements for feed and entry on now?
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