I’m working on a script that will evaluate participation in a discussion and produce a number based on how many messages they wrote, likes, and replies and such that will become students’ grade for “participating” in a discussion. /t/blah/TOPIC_ID.json returns only 20 posts. Is there a way to get a…

Maybe the easiest way is to get the data I want from the data explorer plugin. Now I’m thinking that it would be cool to write a plugin that showed people’s scores next to their profile pic in their posts in that topic.

When you GET /t/blah/TOPIC_ID.json the output will also contain a stream array that has all the id’s for the topic. You then can call: /t/blah/TOPIC_ID/posts.json?post_ids[] and pass in all the ids from the stream array.

Thanks! And the problem with data explorer is that there is no way (that I can see quickly) to pass in the topic_id that I want.

Also its probably a good idea to still break up fetching all the posts into multiple requests rather than 1 big one. So if you have a topic with 100 posts. You should break it up into 5 smaller requests fetching 20 posts at a time.

Hi @blake @pfaffman I don’t know why i’m getting a response from /t/blah/TOPIC_ID.json with only the last 10 posts. I see the chunk_size parameter (in response) set to 10, but i don’t know why is like that or where can i change this value. Thank you very much

I once wrote code that downloaded all of the posts in a topic. I don’t know if the code still works, but it looks like how many posts you get is harder to predict than you might think. You pass the first post-id to control what posts you get. See https://github.com/pfaffman/discourse-downloader/bl…

The best way to download all the posts to a topic via the api is to mimic what Discourse is doing in the web browser so please checkout Reverse engineer the Discourse API for details. Basically go the the topic in the browser open up your dev tools and look at the xhr requests as you scroll through …

Thanks @blake and @pfaffman for your soon response. I agree with @blake steps for get all posts in a topic. According with step 1 I just wanted to know if there are any parameter (maybe in the header of request) to set the chunk_size in /t/blah/TOPIC_ID.json request, because if i made a request f…

[image] jandres: but if i made the request using my web app using angular, i just get the first 10. For some reason your angular app is triggering slow_chunk_size. lib/topic_view.rb main memoize_for_posts :post_custom_fields memoize_for_posts :…

Thank you so much :ok_hand: That is the trick. I am running my app (actually is an ionic v3 app) from chrome dev tools on android device and i alwasy get the first 10. When i swtich to browser mode, i get the 20.

API: Getting all posts in a topic

Development

pfaffman (Jay Pfaffman) Avril 21, 2022, 9:08 18

Je vous recommande d’écrire le code en prévoyant d’être limité par le débit.

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API: Getting all posts in a topic

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