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Facebook Introduces New APIs For Comment Replies

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Facebook Introduces New APIs For Comment Replies
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In late March, Facebook launched a new commenting system for Pages that allows users to reply to comments. The new system is on an opt-in basis for now, and Facebook has a few API tips to keep in mind if you decide to take your Page into this new territory.

Facebook announced that its comments API now supports “different “views” of the comments on posts through our updated comments API and FQL comment table.”

The first view organizes what Facebook calls “top level comments,” or comments that are not replies. These comments can be ranked based “on the post and the number of top level comments on the post so far.”

The second view is simply called “replies.” Facebook says developers can access replies by “querying for the comments on a comment id.”

The third, and final view, is the comment “stream.” This is what you’re most likely going to see the most of as it combines top level comments and replies into a single stream of data. The “stream” is also organized in chronological order so the newest comments are shown first.

If you’ve already been using the comments API, Facebook says that you should keep the following changes in mind:

  • comments’ field from ‘stream’ FQL table is deprecated. Please use the’comment_info’ column to fetch the ‘can_comment’ and ‘comment_count’ fields.
  • We are removing the fields on the FQL ‘comment’ table that were used exclusively for legacy Comments Plugins — ‘xid’, ‘reply_xid’, ‘username’ and ‘comments’.
  • We are removing the undocumented ‘count’ field on the ‘comments’ connection in the Graph API. Please request ‘{id}/comments?summary=true’ explicitly if you would like the summary field which contains the count (now called ‘total_count’)
  • If you need more information, check out the comments API documentation. If you want to start using the new API, you can opt in through the July 2013 Breaking Changes under the Advanced Tab of the app dashboard. On July 10, the new comments API will go into effect for everyone. Might as well get used to it now while it’s still voluntary.

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