feat(attachments): 新增附件管理页面

review_agent/views.py

@@ -1,4 +1,5 @@
 from django.contrib.auth.decorators import login_required
+from django.db.models import Count, Q
 from django.http import HttpRequest, HttpResponse, JsonResponse, StreamingHttpResponse
 from django.shortcuts import redirect, render
 from django.views.decorators.http import require_http_methods
@@ -10,7 +11,7 @@ from .services import (
     send_message,
     stream_message,
 )
-from .models import FileAttachment, FileSummaryBatch
+from .models import Conversation, FileAttachment, FileSummaryBatch
 
 
 @login_required
@@ -56,6 +57,38 @@ def workspace(request: HttpRequest) -> HttpResponse:
     )
 
 
+@login_required
+@require_http_methods(["GET"])
+def attachment_manager(request: HttpRequest) -> HttpResponse:
+    conversations = (
+        Conversation.objects.filter(user=request.user)
+        .annotate(
+            attachment_count=Count(
+                "file_attachments",
+                filter=~Q(file_attachments__upload_status=FileAttachment.UploadStatus.DELETED),
+            )
+        )
+        .order_by("-updated_at", "-id")
+    )
+    selected = get_conversation_for_user(request.user, request.GET.get("conversation"))
+    attachments = (
+        FileAttachment.objects.filter(conversation=selected)
+        .order_by("original_name", "-version_no")
+        if selected
+        else []
+    )
+    return render(
+        request,
+        "attachment_manager.html",
+        {
+            "page_title": "附件管理",
+            "conversations": conversations,
+            "selected_conversation": selected,
+            "attachments": attachments,
+        },
+    )
+
+
 @login_required
 @require_http_methods(["POST"])
 def stream_chat(request: HttpRequest) -> HttpResponse: