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POBatch Paged Requests
 

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  1. POBatch Paged Requests
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    <p>I need to retrieve the news feed for a user, and using the Graph API that returns multiple pages. I'd like to get four pages, and that's pretty slow, so I'd like to batch a request for all pages into one request using batching. I can't figure out how to batch-request multiple pages - clearly each request in the batch is dependent on the previous.</p> <p>I wrote up a webpage to let me test this all out, containing the following form:</p> <pre><code>&lt;form method="GET" action="https://graph.facebook.com"&gt; &lt;input type="hidden" name="access_token" value="blahblahblah"&gt; &lt;input type="hidden" name="batch" value="[{'method':'GET', 'name':'getnews', 'omit_response_on_success':false, 'relative_url':'me/home'},{'method':'GET', 'relative_url':'{result=getnews:$.paging.next}'}]"&gt; &lt;input type="hidden" name="method" value="post"&gt; &lt;input type="submit"&gt; &lt;/form&gt; </code></pre> <p>Of course, when I get a response from Facebook that requires paging, the paging.next value is a full URL and the batching functionality wants a relative_url, so my first request works and my second request returns with the paging.next URL in a "body" key.</p> <p>I found a piece of facebook documentation which states that a request like the following works, where you graph.facebook.com is followed by a full URL specifying a request://graph.facebook.com/http://graph.facebook.com/me/home?_fb_url=me/home&amp;access_token=blahblahblah"</p> <p>I was surprised to find that this works, but it does when I just make that GET request to the Graph API. Unfortunately, the batching functionality does not allow me to put that full URL in the "relative_url" field - it just does that "body" thing.</p> <p>Does anybody have a good way to batch requests for multiple pages? kongo09 and I were wondering this over in the facebook dev forum, but I guess that's on its way out... <a href="http://forum.developers.facebook.net/viewtopic.php?id=107098" rel="nofollow">http://forum.developers.facebook.net/viewtopic.php?id=107098</a></p> <p>Thanks, -Karl</p>
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    1. COCould you add a ?limit= parameter to the initial load and retrieve a larger set of data in the first request?
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    2. COLol, well, that works now. I swear that last time I tried anything greater than limit=25 FB would return an error. Actually, now that I think about it, when I was testing that Graph API was having some other problems... Thanks Igy, I'm going to run with that for now.
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