refactor(ebook-search): simplify search and phrase matching

python/ebook_search/llm_interface.py

@@ -64,17 +64,13 @@ async def check_embedding_endpoint(
     timeout_seconds: float = 5.0,
 ) -> bool:
     """Return whether the configured embedding endpoint answers a model listing."""
-    try:
-        response = await client.get(
-            f"{config.embedding_base_url.rstrip('/')}/models",
-            headers=auth_headers(config.embedding_api_key),
-            timeout=timeout_seconds,
-        )
-        response.raise_for_status()
-    except httpx.HTTPError as error:
-        logger.warning(f"ebook_embedding_endpoint_unreachable {config.embedding_base_url=} {error=}")
-        return False
-    return True
+    return await _check_endpoint(
+        client,
+        base_url=config.embedding_base_url,
+        api_key=config.embedding_api_key,
+        timeout_seconds=timeout_seconds,
+        unavailable_log=f"ebook_embedding_endpoint_unreachable {config.embedding_base_url=}",
+    )
 
 
 async def check_chat_endpoint(
@@ -84,15 +80,33 @@ async def check_chat_endpoint(
     timeout_seconds: float = 5.0,
 ) -> bool:
     """Return whether the configured chat (answering) endpoint answers a model listing."""
+    return await _check_endpoint(
+        client,
+        base_url=config.vllm_base_url,
+        api_key=config.vllm_api_key,
+        timeout_seconds=timeout_seconds,
+        unavailable_log=f"ebook_chat_endpoint_unreachable {config.vllm_base_url=}",
+    )
+
+
+async def _check_endpoint(
+    client: httpx.AsyncClient,
+    *,
+    base_url: str,
+    api_key: str,
+    timeout_seconds: float,
+    unavailable_log: str,
+) -> bool:
+    """Return whether an OpenAI-compatible endpoint answers a model listing."""
     try:
         response = await client.get(
-            f"{config.vllm_base_url.rstrip('/')}/models",
-            headers=auth_headers(config.vllm_api_key),
+            f"{base_url.rstrip('/')}/models",
+            headers=auth_headers(api_key),
             timeout=timeout_seconds,
         )
         response.raise_for_status()
     except httpx.HTTPError as error:
-        logger.warning(f"ebook_chat_endpoint_unreachable {config.vllm_base_url=} {error=}")
+        logger.warning(f"{unavailable_log} {error=}")
         return False
     return True