chore: baseline plantilla-proyectos como base del CRM

backend/api/v1/modules/example/service.py

@@ -0,0 +1,48 @@
+from fastapi import HTTPException, status
+from sqlalchemy.orm import Session
+
+from .dto import ItemCreate, ItemUpdate
+from .models import Item
+
+
+def get_items(db: Session, tenant_id: int, company_id: int) -> list[Item]:
+    return (
+        db.query(Item)
+        .filter(Item.tenant_id == tenant_id, Item.company_id == company_id, Item.deleted_at.is_(None))
+        .all()
+    )
+
+
+def get_item(db: Session, item_id: int, tenant_id: int, company_id: int) -> Item:
+    item = (
+        db.query(Item)
+        .filter(Item.id == item_id, Item.tenant_id == tenant_id, Item.company_id == company_id, Item.deleted_at.is_(None))
+        .first()
+    )
+    if not item:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Item no encontrado")
+    return item
+
+
+def create_item(db: Session, payload: ItemCreate, tenant_id: int, company_id: int) -> Item:
+    item = Item(**payload.model_dump(), tenant_id=tenant_id, company_id=company_id)
+    db.add(item)
+    db.commit()
+    db.refresh(item)
+    return item
+
+
+def update_item(db: Session, item_id: int, payload: ItemUpdate, tenant_id: int, company_id: int) -> Item:
+    item = get_item(db, item_id, tenant_id, company_id)
+    for field, value in payload.model_dump(exclude_unset=True).items():
+        setattr(item, field, value)
+    db.commit()
+    db.refresh(item)
+    return item
+
+
+def delete_item(db: Session, item_id: int, tenant_id: int, company_id: int) -> None:
+    item = get_item(db, item_id, tenant_id, company_id)
+    from datetime import datetime, timezone
+    item.deleted_at = datetime.now(timezone.utc)
+    db.commit()