attachment

server/admin/__main__.py

@@ -1,4 +1,3 @@
-
 import flask_login
 from flask import Response, redirect, render_template, request, url_for
 from flask_admin import Admin, AdminIndexView, expose
@@ -40,14 +39,14 @@ async def get_file(raw_path: str):
         cache_ctrl = "public, max-age=864000"  # 10 дней
         last_mod = attach[0].created_at.strftime("%a, %d %b %Y %H:%M:%S GMT")
 
-        return Response(
-            body,
-            mimetype=attach[0].content_type,
-            headers={
-                "Cache-Control": cache_ctrl,
-                "Last-Modified": last_mod,
-            },
-        )
+    return Response(
+        body,
+        mimetype=attach[0].content_type,
+        headers={
+            "Cache-Control": cache_ctrl,
+            "Last-Modified": last_mod,
+        },
+    )
 
 
 @login_manager.user_loader

server/admin/config.py

@@ -12,7 +12,7 @@ app.config["SQLALCHEMY_DATABASE_URI"] = (
 app.config["SQLALCHEMY_ENGINE_OPTIONS"] = {
     "pool_recycle": 600,
     "pool_pre_ping": True,
-    "pool_size": 5,
+    "pool_size": 30,
 }
 app.config["SECRET_KEY"] = cnf.admin_secret_key
 app.config["SQLALCHEMY_ECHO"] = True

server/admin/views/attachments.py

@@ -23,7 +23,7 @@ class AttachmentView(ModelView):
     @staticmethod
     def _list_thumbnail(view, _context, model, _name):
         data = ""
-        data += f'<img src="/admin/attachment/{model.path}.original.jpg" width="100" />'
+        data += f'<img src="/attachments{model.path}.original.jpg" width="100" />'
 
         return Markup(data)
 

server/infra/db/pg.py

@@ -24,7 +24,7 @@ class AsyncDB(AbstractDB):
         # self.engine.execution_options(stream_results=True)
         if self.engine is None:
             raise ConnectError
-        session = asyncio.async_sessionmaker(self.engine, expire_on_commit=False)
+        session = asyncio.async_sessionmaker(self.engine, expire_on_commit=True)
         if session is None:
             raise ConnectError
         self.async_session = session
@@ -35,13 +35,10 @@ class AsyncDB(AbstractDB):
 
     @property
     def session(self):
-        return asyncio.async_sessionmaker(self.engine, expire_on_commit=False)
-
-    def new_session(self):
-        return asyncio.async_sessionmaker(self.engine, expire_on_commit=False)()
+        return asyncio.async_sessionmaker(self.engine, expire_on_commit=True)
 
     def session_master(self):
-        return self.new_session()
+        return self.async_session()
 
     def session_slave(self):
-        return self.new_session()
+        return self.async_session()

server/infra/web/__init__.py

@@ -1,6 +1,7 @@
+from server.infra.web.attachments import AtachmentController
 from server.infra.web.description import DescriptionController
 from server.infra.web.recognizer import BreedsController
 from server.infra.web.seo import SeoController
 from server.infra.web.vote import VoteController
 
-__all__ = ("DescriptionController", "SeoController", "BreedsController", "VoteController")
+__all__ = ("DescriptionController", "SeoController", "BreedsController", "VoteController", "AtachmentController")

server/infra/web/attachments.py

@@ -0,0 +1,35 @@
+import inject
+from litestar import Controller, get
+from litestar.exceptions import HTTPException
+from litestar.response import Response
+
+from server.modules.attachments import AtachmentService
+
+
+class AtachmentController(Controller):
+
+    @get("/attachments/{raw_path:path}", media_type="image/jpeg")
+    async def get_file(self, raw_path: str) -> Response:
+        attach_service: AtachmentService = inject.instance(AtachmentService)
+
+        attach_path = attach_service.path_from_url(raw_path)
+        # Query within session scope
+        attach = await attach_service.get_info_bypath(session=None, path=[attach_path])
+        if not attach:
+            raise HTTPException(status_code=404, detail="Attachment not found")
+
+        # Get file data (assuming async)
+        body = await attach_service.get_data(attach_path)
+
+        # Extract metadata within session scope
+        content_type = attach[0].content_type
+        last_mod = attach[0].created_at.strftime("%a, %d %b %Y %H:%M:%S GMT")
+
+        return Response(
+            content=body,
+            media_type=content_type,
+            headers={
+                "Cache-Control": "public, max-age=864000",
+                "Last-Modified": last_mod,
+            },
+        )

server/main.py

@@ -12,7 +12,7 @@ from litestar.template.config import TemplateConfig
 
 from server.config import get_app_config
 from server.infra.db import AsyncDB
-from server.infra.web import BreedsController, DescriptionController, SeoController, VoteController
+from server.infra.web import AtachmentController, BreedsController, DescriptionController, SeoController, VoteController
 from server.modules.attachments import AtachmentService, DBAttachmentRepository, S3StorageDriver
 from server.modules.descriptions import CharactersService, PGCharactersRepository
 from server.modules.rate import PGVoteRepository, VotesService
@@ -45,6 +45,7 @@ app = Litestar(
         DescriptionController,
         SeoController,
         VoteController,
+        AtachmentController,
         create_static_files_router(path="/static", directories=["server/static"]),
     ],
     template_config=TemplateConfig(

server/modules/attachments/services/attachment.py

@@ -237,7 +237,7 @@ class AtachmentService:
         if ".original" not in url:
             raise ValueError(f"wrong url: {url}")
         parts = url.split(".original")[0]
-        return f"/{parts}"
+        return parts
 
     def url(self, attachment_id: str, content_type: str | None = None) -> str:
         return f"{self._cnf.app_public_url}/api/v0/attachment/{attachment_id}.original.{self.extension(content_type)}"