feat: add endpoint for downloading logs (#192)

Author: lukasdotcom

appinfo/info.xml

@@ -37,6 +37,14 @@ Setup background job workers as described here: https://docs.nextcloud.com/serve
 			<image>nextcloud/context_chat_backend</image>
 			<image-tag>4.3.0</image-tag>
 		</docker-install>
+		<routes>
+			<route>
+				<url>downloadLogs</url>
+				<verb>GET</verb>
+				<access_level>ADMIN</access_level>
+				<headers_to_exclude>[]</headers_to_exclude>
+			</route>
+		</routes>
 		<environment-variables>
 			<variable>
 				<name>EXTERNAL_DB</name>

context_chat_backend/controller.py

@@ -12,7 +12,9 @@
 import logging
 import multiprocessing as mp
 import os
+import tempfile
 import threading
+import zipfile
 from collections.abc import Callable
 from contextlib import asynccontextmanager
 from functools import wraps
@@ -25,6 +27,7 @@
 from nc_py_api import AsyncNextcloudApp, NextcloudApp
 from nc_py_api.ex_app import persistent_storage, set_handlers
 from pydantic import BaseModel, ValidationInfo, field_validator
+from starlette.responses import FileResponse
 
 from .chain.context import do_doc_search
 from .chain.ingest.injest import embed_sources
@@ -492,3 +495,15 @@ def _(query: Query) -> list[SearchResult]:
 		query.scopeType,
 		query.scopeList,
 	))
+
+
+@app.get('/downloadLogs')
+def download_logs() -> FileResponse:
+	with tempfile.NamedTemporaryFile('wb', delete=False) as tmp:
+		with zipfile.ZipFile(tmp, mode='w', compression=zipfile.ZIP_DEFLATED) as zip_file:
+			files = os.listdir(os.path.join(persistent_storage(), 'logs'))
+			for file in files:
+				file_path = os.path.join(persistent_storage(), 'logs', file)
+				if os.path.isfile(file_path): # Might be a folder (just skip it then)
+					zip_file.write(file_path)
+		return FileResponse(tmp.name, media_type='application/zip', filename='docker_logs.zip')