Adding ISOThread and UNC Thread

app/crud/iso_thread.py

@@ -0,0 +1,42 @@
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.models.iso_thread import IsoThread
+
+
+async def get(db: AsyncSession, iso_thread_id: int) -> IsoThread | None:
+    return await db.get(IsoThread, iso_thread_id)
+
+
+async def list_all(db: AsyncSession, skip: int = 0, limit: int = 100) -> list[IsoThread]:
+    result = await db.execute(
+        select(IsoThread).order_by(IsoThread.id).offset(skip).limit(limit)
+    )
+    return list(result.scalars().all())
+
+
+async def create(
+    db: AsyncSession,
+    *,
+    diameter_mm: float,
+    pitch_mm: float,
+    depth_mm: float | None = None,
+) -> IsoThread:
+    thread = IsoThread(diameter_mm=diameter_mm, pitch_mm=pitch_mm, depth_mm=depth_mm)
+    db.add(thread)
+    await db.commit()
+    await db.refresh(thread)
+    return thread
+
+
+async def update(db: AsyncSession, thread: IsoThread, data: dict) -> IsoThread:
+    for field, value in data.items():
+        setattr(thread, field, value)
+    await db.commit()
+    await db.refresh(thread)
+    return thread
+
+
+async def delete(db: AsyncSession, thread: IsoThread) -> None:
+    await db.delete(thread)
+    await db.commit()