adds params to get topic_posts (#226)

Co-authored-by: carmer <carmer.andrew@gmail.com>

Author: Carmer

lib/discourse_api/api/topics.rb

@@ -74,13 +74,22 @@ def delete_topic(id)
         delete("/t/#{id}.json")
       end
 
-      def topic_posts(topic_id, post_ids = [])
+      def topic_posts(topic_id, post_ids = [], params = {})
+        params = API.params(params)
+          .optional(:asc,
+            :filter,
+            :include_raw,
+            :include_suggested,
+            :post_number,
+            :username_filters,
+          )
+
         url = ["/t/#{topic_id}/posts.json"]
         if post_ids.count > 0
           url.push('?')
           url.push(post_ids.map { |id| "post_ids[]=#{id}" }.join('&'))
         end
-        response = get(url.join)
+        response = get(url.join, params)
         response[:body]
       end
 

spec/discourse_api/api/topics_spec.rb

@@ -170,6 +170,14 @@
       expect(body['post_stream']['posts']).to be_an Array
       expect(body['post_stream']['posts'].first).to be_a Hash
     end
+
+    it "can retrieve a topic posts' raw attribute" do
+      body = subject.topic_posts(57, [123], { include_raw: true })
+      expect(body).to be_a Hash
+      expect(body['post_stream']['posts']).to be_an Array
+      expect(body['post_stream']['posts'].first).to be_a Hash
+      expect(body['post_stream']['posts'].first['raw']).to be_an Array
+    end
   end
 
   describe "#create_topic_with_tags" do

spec/fixtures/topic_posts.json

@@ -34,6 +34,7 @@
         "read":true,
         "user_title":null,
         "actions_summary":[{"id":2,"count":3,"can_act":true}],
+        "raw": [{"type":"paragraph","children":[{"text":"This is a raw post  I've got white   space!... and emojis 😈😈😈😈😈😈"}]}],
         "moderator":false,
         "admin":false,
         "staff":false,