FEATURE: add topic_unvote event to trigger topic_voting webhook (#166)

app/controllers/discourse_topic_voting/votes_controller.rb

@@ -70,6 +70,16 @@ def unvote
         votes_left: [(current_user.vote_limit - current_user.vote_count), 0].max,
       }
 
+      if WebHook.active_web_hooks(:topic_voting).exists?
+        payload = {
+          topic_id: topic_id,
+          topic_slug: topic.slug,
+          voter_id: current_user.id,
+          vote_count: obj[:vote_count],
+        }
+        WebHook.enqueue_topic_voting_hooks(:topic_unvote, topic, payload.to_json)
+      end
+
       render json: obj
     end
 

config/locales/client.en.yml

@@ -47,4 +47,4 @@ en:
       web_hooks:
         topic_voting_event:
           name: "Topic Voting Event"
-          details: "When a topic receives an upvote"
+          details: "When a user votes or unvotes on a topic"

spec/requests/votes_controller_spec.rb

@@ -59,4 +59,17 @@
     expect(payload["voter_id"]).to eq(user.id)
     expect(payload["vote_count"]).to eq(1)
   end
+
+  it "triggers a topic_unvote webhook when unvoting" do
+    Fabricate(:topic_voting_web_hook)
+    post "/voting/unvote.json", params: { topic_id: topic.id }
+    expect(response.status).to eq(200)
+    job_args = Jobs::EmitWebHookEvent.jobs[0]["args"].first
+    expect(job_args["event_name"]).to eq("topic_unvote")
+    payload = JSON.parse(job_args["payload"])
+    expect(payload["topic_id"]).to eq(topic.id)
+    expect(payload["topic_slug"]).to eq(topic.slug)
+    expect(payload["voter_id"]).to eq(user.id)
+    expect(payload["vote_count"]).to eq(0)
+  end
 end