server: add topic duration, and endpoint for getting words group per speaker on a topic

server/tests/test_transcripts_topics.py

@@ -0,0 +1,26 @@
+import pytest
+from httpx import AsyncClient
+
+
+@pytest.mark.asyncio
+async def test_transcript_topics(fake_transcript_with_topics):
+    from reflector.app import app
+
+    transcript_id = fake_transcript_with_topics.id
+
+    async with AsyncClient(app=app, base_url="http://test/v1") as ac:
+        # check the transcript exists
+        response = await ac.get(f"/transcripts/{transcript_id}/topics")
+        assert response.status_code == 200
+        assert len(response.json()) == 2
+        topic_id = response.json()[0]["id"]
+
+        # get words per speakers
+        response = await ac.get(
+            f"/transcripts/{transcript_id}/topics/{topic_id}/words-per-speaker"
+        )
+        assert response.status_code == 200
+        data = response.json()
+        assert len(data["words_per_speaker"]) == 1
+        assert data["words_per_speaker"][0]["speaker"] == 0
+        assert len(data["words_per_speaker"][0]["words"]) == 2