Initial commit: Happy Up monorepo through Sprint 5.

Document-driven MVP with FastAPI backend, Vue H5, WeChat mini shell, product demo, and Docker dev stack. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-23 11:42:40 +08:00
commit 1aaef71f52
116 changed files with 10550 additions and 0 deletions
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+from datetime import date
+
+from sqlalchemy import func, select
+from sqlalchemy.orm import Session
+
+from app.db.models import Child
+from app.schemas.models import ChildCreateRequest, ChildUpdateRequest
+
+
+def calc_age(birthday: date) -> int:
+    today = date.today()
+    age = today.year - birthday.year
+    if (today.month, today.day) < (birthday.month, birthday.day):
+        age -= 1
+    return age
+
+
+def child_to_dict(child: Child) -> dict:
+    return {
+        "id": child.id,
+        "name": child.name,
+        "birthday": child.birthday.isoformat(),
+        "age": calc_age(child.birthday),
+        "height": float(child.height) if child.height is not None else None,
+        "weight": float(child.weight) if child.weight is not None else None,
+        "status": child.status,
+    }
+
+
+def list_children(db: Session, parent_user_id: int, page: int, page_size: int) -> tuple[list[Child], int]:
+    filters = (Child.parent_user_id == parent_user_id, Child.status != "archived")
+    total = db.scalar(select(func.count()).select_from(Child).where(*filters)) or 0
+    items = db.scalars(
+        select(Child)
+        .where(*filters)
+        .order_by(Child.id.desc())
+        .offset((page - 1) * page_size)
+        .limit(page_size)
+    ).all()
+    return items, total
+
+
+def get_child(db: Session, parent_user_id: int, child_id: int) -> Child | None:
+    return db.scalar(
+        select(Child).where(
+            Child.id == child_id,
+            Child.parent_user_id == parent_user_id,
+            Child.status != "archived",
+        )
+    )
+
+
+def create_child(db: Session, parent_user_id: int, tenant_id: int | None, body: ChildCreateRequest) -> Child:
+    child = Child(
+        parent_user_id=parent_user_id,
+        tenant_id=tenant_id,
+        name=body.name,
+        birthday=body.birthday,
+        gender=body.gender.value,
+        height=body.height,
+        weight=body.weight,
+        contraindications=body.contraindications,
+        status="active",
+    )
+    db.add(child)
+    db.commit()
+    db.refresh(child)
+    return child
+
+
+def update_child(db: Session, child: Child, body: ChildUpdateRequest) -> Child:
+    child.name = body.name
+    child.birthday = body.birthday
+    child.gender = body.gender.value
+    child.height = body.height
+    child.weight = body.weight
+    child.contraindications = body.contraindications
+    db.commit()
+    db.refresh(child)
+    return child
+
+
+def archive_child(db: Session, child: Child) -> None:
+    from datetime import datetime, timezone
+
+    child.status = "archived"
+    child.deleted_at = datetime.now(timezone.utc)
+    db.commit()