feat(web): improve message UX, voice gestures, and attachments

app/media/repository.py

@@ -1,6 +1,8 @@
+from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.media.models import Attachment
+from app.messages.models import Message
 
 
 async def create_attachment(
@@ -24,3 +26,23 @@ async def create_attachment(
 
 async def get_attachment_by_id(db: AsyncSession, attachment_id: int) -> Attachment | None:
     return await db.get(Attachment, attachment_id)
+
+
+async def list_chat_attachments(
+    db: AsyncSession,
+    *,
+    chat_id: int,
+    limit: int = 100,
+    before_id: int | None = None,
+) -> list[tuple[Attachment, Message]]:
+    stmt = (
+        select(Attachment, Message)
+        .join(Message, Message.id == Attachment.message_id)
+        .where(Message.chat_id == chat_id)
+        .order_by(Attachment.id.desc())
+        .limit(limit)
+    )
+    if before_id is not None:
+        stmt = stmt.where(Attachment.id < before_id)
+    result = await db.execute(stmt)
+    return [(row[0], row[1]) for row in result.all()]

app/media/router.py

@@ -3,8 +3,8 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.auth.service import get_current_user
 from app.database.session import get_db
-from app.media.schemas import AttachmentCreateRequest, AttachmentRead, UploadUrlRequest, UploadUrlResponse
-from app.media.service import generate_upload_url, store_attachment_metadata
+from app.media.schemas import AttachmentCreateRequest, AttachmentRead, ChatAttachmentRead, UploadUrlRequest, UploadUrlResponse
+from app.media.service import generate_upload_url, list_attachments_for_chat, store_attachment_metadata
 from app.users.models import User
 
 router = APIRouter(prefix="/media", tags=["media"])
@@ -25,3 +25,20 @@ async def create_attachment_metadata(
     current_user: User = Depends(get_current_user),
 ) -> AttachmentRead:
     return await store_attachment_metadata(db, user_id=current_user.id, payload=payload)
+
+
+@router.get("/chats/{chat_id}/attachments", response_model=list[ChatAttachmentRead])
+async def list_chat_attachments_endpoint(
+    chat_id: int,
+    limit: int = 100,
+    before_id: int | None = None,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+) -> list[ChatAttachmentRead]:
+    return await list_attachments_for_chat(
+        db,
+        user_id=current_user.id,
+        chat_id=chat_id,
+        limit=limit,
+        before_id=before_id,
+    )

app/media/schemas.py

@@ -1,4 +1,5 @@
 from pydantic import BaseModel, ConfigDict, Field
+from datetime import datetime
 
 
 class UploadUrlRequest(BaseModel):
@@ -30,3 +31,13 @@ class AttachmentRead(BaseModel):
     file_url: str
     file_type: str
     file_size: int
+
+
+class ChatAttachmentRead(BaseModel):
+    id: int
+    message_id: int
+    sender_id: int
+    message_created_at: datetime
+    file_url: str
+    file_type: str
+    file_size: int

app/media/service.py

@@ -10,7 +10,8 @@ from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.config.settings import settings
 from app.media import repository
-from app.media.schemas import AttachmentCreateRequest, AttachmentRead, UploadUrlRequest, UploadUrlResponse
+from app.media.schemas import AttachmentCreateRequest, AttachmentRead, ChatAttachmentRead, UploadUrlRequest, UploadUrlResponse
+from app.chats.service import ensure_chat_membership
 from app.messages.repository import get_message_by_id
 
 ALLOWED_MIME_TYPES = {
@@ -134,3 +135,32 @@ async def store_attachment_metadata(
     await db.commit()
     await db.refresh(attachment)
     return AttachmentRead.model_validate(attachment)
+
+
+async def list_attachments_for_chat(
+    db: AsyncSession,
+    *,
+    user_id: int,
+    chat_id: int,
+    limit: int = 100,
+    before_id: int | None = None,
+) -> list[ChatAttachmentRead]:
+    await ensure_chat_membership(db, chat_id=chat_id, user_id=user_id)
+    rows = await repository.list_chat_attachments(
+        db,
+        chat_id=chat_id,
+        limit=max(1, min(limit, 200)),
+        before_id=before_id,
+    )
+    return [
+        ChatAttachmentRead(
+            id=attachment.id,
+            message_id=attachment.message_id,
+            sender_id=message.sender_id,
+            message_created_at=message.created_at,
+            file_url=attachment.file_url,
+            file_type=attachment.file_type,
+            file_size=attachment.file_size,
+        )
+        for attachment, message in rows
+    ]