Initial commit

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/routers/eggs.py

@@ -0,0 +1,68 @@
+from datetime import date
+from typing import Optional
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy import select
+from sqlalchemy.exc import IntegrityError
+from sqlalchemy.orm import Session
+
+from database import get_db
+from models import EggCollection
+from schemas import EggCollectionCreate, EggCollectionUpdate, EggCollectionOut
+
+router = APIRouter(prefix="/api/eggs", tags=["eggs"])
+
+
+@router.get("", response_model=list[EggCollectionOut])
+def list_eggs(
+    start: Optional[date] = None,
+    end:   Optional[date] = None,
+    db:    Session = Depends(get_db),
+):
+    q = select(EggCollection).order_by(EggCollection.date.desc())
+    if start:
+        q = q.where(EggCollection.date >= start)
+    if end:
+        q = q.where(EggCollection.date <= end)
+    return db.scalars(q).all()
+
+
+@router.post("", response_model=EggCollectionOut, status_code=201)
+def create_egg_collection(body: EggCollectionCreate, db: Session = Depends(get_db)):
+    record = EggCollection(**body.model_dump())
+    db.add(record)
+    try:
+        db.commit()
+    except IntegrityError:
+        db.rollback()
+        raise HTTPException(status_code=409, detail=f"An entry for {body.date} already exists. Edit it from the History page.")
+    db.refresh(record)
+    return record
+
+
+@router.put("/{record_id}", response_model=EggCollectionOut)
+def update_egg_collection(
+    record_id: int,
+    body: EggCollectionUpdate,
+    db: Session = Depends(get_db),
+):
+    record = db.get(EggCollection, record_id)
+    if not record:
+        raise HTTPException(status_code=404, detail="Record not found")
+    for field, value in body.model_dump(exclude_none=True).items():
+        setattr(record, field, value)
+    try:
+        db.commit()
+    except IntegrityError:
+        db.rollback()
+        raise HTTPException(status_code=409, detail=f"An entry for that date already exists.")
+    db.refresh(record)
+    return record
+
+
+@router.delete("/{record_id}", status_code=204)
+def delete_egg_collection(record_id: int, db: Session = Depends(get_db)):
+    record = db.get(EggCollection, record_id)
+    if not record:
+        raise HTTPException(status_code=404, detail="Record not found")
+    db.delete(record)
+    db.commit()