Initial commit: VoIdeaAI - voice-first AI idea assistant

app/services/idea_service.py

@@ -0,0 +1,74 @@
+"""Idea service for VoIdea."""
+
+from typing import Optional
+from uuid import uuid4
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.idea import Idea
+
+
+class IdeaService:
+    def __init__(self, db: AsyncSession):
+        self.db = db
+
+    async def create(
+        self, user_id: str, title: str, content: str,
+        tags: Optional[list[str]] = None, is_public: bool = False,
+    ) -> Idea:
+        idea = Idea(
+            id=uuid4(),
+            user_id=user_id,
+            title=title,
+            content=content,
+            tags=tags,
+            is_public=is_public,
+            status="draft",
+        )
+        self.db.add(idea)
+        await self.db.commit()
+        await self.db.refresh(idea)
+        return idea
+
+    async def get_by_id(self, idea_id: str) -> Optional[Idea]:
+        result = await self.db.execute(
+            select(Idea).where(Idea.id == idea_id)
+        )
+        return result.scalar_one_or_none()
+
+    async def list_by_user(
+        self, user_id: str, skip: int = 0, limit: int = 50,
+    ) -> list[Idea]:
+        result = await self.db.execute(
+            select(Idea)
+            .where(Idea.user_id == user_id)
+            .offset(skip)
+            .limit(limit)
+            .order_by(Idea.created_at.desc())
+        )
+        return list(result.scalars().all())
+
+    async def update(
+        self, idea_id: str, user_id: str, **kwargs,
+    ) -> Optional[Idea]:
+        idea = await self.get_by_id(idea_id)
+        if not idea or str(idea.user_id) != user_id:
+            return None
+
+        for key, value in kwargs.items():
+            if value is not None and hasattr(idea, key):
+                setattr(idea, key, value)
+
+        await self.db.commit()
+        await self.db.refresh(idea)
+        return idea
+
+    async def delete(self, idea_id: str, user_id: str) -> bool:
+        idea = await self.get_by_id(idea_id)
+        if not idea or str(idea.user_id) != user_id:
+            return False
+
+        await self.db.delete(idea)
+        await self.db.commit()
+        return True