Implementacion modal ticket 1

backend/app/api/v1/endpoints/participants.py

@@ -0,0 +1,130 @@
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from sqlalchemy.orm import selectinload
+import uuid
+
+from app.api import deps
+from app.core.database import get_db
+from app.models.ticket import Ticket, TicketParticipant
+from app.models.user import User
+from pydantic import BaseModel
+
+router = APIRouter()
+
+class ParticipantAdd(BaseModel):
+    user_id: uuid.UUID
+
+class ParticipantResponse(BaseModel):
+    id: uuid.UUID
+    user_id: uuid.UUID
+    ticket_id: uuid.UUID
+    role: str
+    user_email: str
+    user_name: str
+
+    class Config:
+        from_attributes = True
+
+@router.get("/{ticket_id}/participants", response_model=list[ParticipantResponse])
+async def list_participants(
+    ticket_id: uuid.UUID,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(deps.get_current_user)
+):
+    result = await db.execute(
+        select(TicketParticipant)
+        .where(TicketParticipant.ticket_id == ticket_id)
+        .options(selectinload(TicketParticipant.user))
+    )
+    participants = result.scalars().all()
+    return [
+        ParticipantResponse(
+            id=p.id,
+            user_id=p.user_id,
+            ticket_id=p.ticket_id,
+            role=p.role,
+            user_email=p.user.email,
+            user_name=f"{p.user.first_name or ''} {p.user.last_name or ''}".strip()
+        )
+        for p in participants
+    ]
+
+@router.post("/{ticket_id}/participants", response_model=ParticipantResponse)
+async def add_participant(
+    ticket_id: uuid.UUID,
+    data: ParticipantAdd,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(deps.get_current_user)
+):
+    # Verificar que el ticket existe
+    ticket_result = await db.execute(select(Ticket).where(Ticket.id == ticket_id))
+    ticket = ticket_result.scalar_one_or_none()
+    if not ticket:
+        raise HTTPException(status_code=404, detail="Ticket not found")
+
+    # Solo el creador puede agregar participantes
+    if ticket.created_by != current_user.id and not current_user.role.is_global:
+        raise HTTPException(status_code=403, detail="Only the ticket creator can add participants")
+
+    # Verificar que el usuario existe
+    user_result = await db.execute(select(User).where(User.id == data.user_id))
+    user = user_result.scalar_one_or_none()
+    if not user:
+        raise HTTPException(status_code=404, detail="User not found")
+
+    # Verificar que no sea duplicado
+    existing = await db.execute(
+        select(TicketParticipant).where(
+            TicketParticipant.ticket_id == ticket_id,
+            TicketParticipant.user_id == data.user_id
+        )
+    )
+    if existing.scalar_one_or_none():
+        raise HTTPException(status_code=400, detail="User is already a participant")
+
+    participant = TicketParticipant(
+        ticket_id=ticket_id,
+        user_id=data.user_id,
+        role="participant"
+    )
+    db.add(participant)
+    await db.commit()
+    await db.refresh(participant)
+
+    return ParticipantResponse(
+        id=participant.id,
+        user_id=participant.user_id,
+        ticket_id=participant.ticket_id,
+        role=participant.role,
+        user_email=user.email,
+        user_name=f"{user.first_name or ''} {user.last_name or ''}".strip()
+    )
+
+@router.delete("/{ticket_id}/participants/{user_id}", status_code=204)
+async def remove_participant(
+    ticket_id: uuid.UUID,
+    user_id: uuid.UUID,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(deps.get_current_user)
+):
+    ticket_result = await db.execute(select(Ticket).where(Ticket.id == ticket_id))
+    ticket = ticket_result.scalar_one_or_none()
+    if not ticket:
+        raise HTTPException(status_code=404, detail="Ticket not found")
+
+    if ticket.created_by != current_user.id and not current_user.role.is_global:
+        raise HTTPException(status_code=403, detail="Only the ticket creator can remove participants")
+
+    result = await db.execute(
+        select(TicketParticipant).where(
+            TicketParticipant.ticket_id == ticket_id,
+            TicketParticipant.user_id == user_id
+        )
+    )
+    participant = result.scalar_one_or_none()
+    if not participant:
+        raise HTTPException(status_code=404, detail="Participant not found")
+
+    await db.delete(participant)
+    await db.commit()