Done: Product Group

Done: Product

brewman/models/master.py

@@ -111,6 +111,18 @@ class Product(Base):
             return False, "Product has entries"
         return True, ""
 
+    @classmethod
+    def query(cls, term, is_purchased=None, active=None, db=None):
+        query_ = db.query(Product)
+        if active is not None:
+            query_ = query_.filter(Product.is_active == active)
+        if is_purchased is not None:
+            query_ = query_.filter(Product.is_purchased == is_purchased)
+        if term is not None:
+            for item in term.split():
+                if item.strip() != "":
+                    query_ = query_.filter(Product.name.ilike("%" + item + "%"))
+
     @classmethod
     def suspense(cls):
         return uuid.UUID("aa79a643-9ddc-4790-ac7f-a41f9efb4c15")
@@ -303,20 +315,20 @@ class AccountBase(Base):
         self.is_fixture = is_fixture
 
     @classmethod
-    def list(cls, type, name, reconcilable=None, active=None, dbsession=None):
+    def query(cls, q, type_, reconcilable=None, active=None, db=None):
-        query = dbsession.query(cls)
+        query_ = db.query(cls)
-        if type is not None:
+        if type_ is not None:
-            if not isinstance(type, int):
+            if not isinstance(type_, int):
-                type = int(type)
+                type_ = int(type_)
-            query = query.filter(cls.type == type)
+            query_ = query_.filter(cls.type == type_)
         if reconcilable is not None:
-            query = query.filter(cls.is_reconcilable == reconcilable)
+            query_ = query_.filter(cls.is_reconcilable == reconcilable)
         if active is not None:
-            query = query.filter(cls.is_active == active)
+            query_ = query_.filter(cls.is_active == active)
-        if name is not None:
+        if q is not None:
-            for item in name.split():
+            for item in q.split():
-                query = query.filter(cls.name.ilike("%" + item + "%"))
+                query_ = query_.filter(cls.name.ilike("%" + item + "%"))
-        return query.order_by(cls.name)
+        return query_.order_by(cls.name)
 
     def create(self, dbsession):
         code = (

brewman/routers/account.py

@@ -151,7 +151,7 @@ async def show_term(
     count = c
 
     list_ = []
-    for index, item in enumerate(AccountBase.list(t, q, r, a, db)):
+    for index, item in enumerate(AccountBase.query(q, t, r, a, db)):
         list_.append({"id": item.id, "name": item.name})
         if count is not None and index == count - 1:
             break
@@ -195,7 +195,7 @@ def balance(id_: uuid.UUID, date, db: Session):
     return 0 if bal is None else bal
 
 
-def account_info(id_, db):
+def account_info(id_: uuid.UUID, db: Session):
     if id_ is None:
         account = {
             "code": "(Auto)",
@@ -224,7 +224,7 @@ def account_info(id_, db):
     return account
 
 
-def delete_with_data(account, db):
+def delete_with_data(account: Account, db: Session):
     suspense_account = (
         db.query(Account).filter(Account.id == Account.suspense()).first()
     )

brewman/routers/cost_centre.py

@@ -1,6 +1,7 @@
 import traceback
 import uuid
 from typing import List, Optional
+
 from fastapi import APIRouter, HTTPException, status, Depends, Security
 from sqlalchemy.exc import SQLAlchemyError
 from sqlalchemy.orm import Session
@@ -28,10 +29,16 @@ def save(
     user: User = Security(get_user, scopes=["cost-centres"]),
 ):
     try:
-        item = CostCentre(data.name)
+        item = CostCentre(name=data.name)
         db.add(item)
         db.commit()
         return cost_centre_info(item, db)
+    except SQLAlchemyError as e:
+        db.rollback()
+        raise HTTPException(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            detail=str(e),
+        )
     except Exception:
         db.rollback()
         raise HTTPException(

brewman/routers/product.py

@@ -1,174 +1,139 @@
+import traceback
 import uuid
-from decimal import Decimal, InvalidOperation
+from typing import Optional
 
+from fastapi import APIRouter, HTTPException, status, Depends, Security
 from sqlalchemy import desc
-from sqlalchemy.orm import joinedload_all
+from sqlalchemy.exc import SQLAlchemyError
+from sqlalchemy.orm import joinedload_all, Session
 
-from brewman.models.master import Product, Account
+import brewman.schemas.master as schemas
-from brewman.models.validation_exception import ValidationError
+from ..core.security import User, get_current_active_user as get_user
-from brewman.models.voucher import Voucher, Batch, Inventory, VoucherType
+from ..db.session import SessionLocal
-
+from ..models.master import Product, Account
-from fastapi import APIRouter
+from ..models.voucher import Voucher, Batch, Inventory, VoucherType
 
 router = APIRouter()
 
 
-@router.post("/new")  # "Products"
+# Dependency
-def save(request):
+def get_db():
-    json = request.json_body
-
-    name = json.get("name", "").strip()
-    if name == "":
-        raise ValidationError("Name cannot be blank")
-
-    units = json.get("units", "").strip()
-
     try:
-        fraction = Decimal(json.get("fraction", 0))
+        db = SessionLocal()
-        if fraction <= 0:
+        yield db
-            raise ValidationError("Fraction must be a decimal > 0")
+    finally:
-    except (ValueError, InvalidOperation):
+        db.close()
-        raise ValidationError("Fraction must be a decimal > 0")
 
-    fraction_units = json.get("fractionUnits", "").strip()
 
+@router.post("/", response_model=schemas.Product)
+def save(
+        data: schemas.ProductIn,
+        db: Session = Depends(get_db),
+        user: User = Security(get_user, scopes=["products"]),
+):
     try:
-        product_yield = Decimal(json.get("productYield", 1))
-        if product_yield <= 0 or product_yield > 1:
-            raise ValidationError("Yield must be a decimal > 0 <= 1")
-    except (ValueError, InvalidOperation):
-        raise ValidationError("Yield must be a decimal > 0 <= 1")
-
-    product_group = json.get("productGroup", None)
-    if product_group is None:
-        raise ValidationError("please choose a product group")
-    product_group_id = uuid.UUID(product_group["id"])
-    try:
-        price = Decimal(json.get("price", 0))
-        if price < 0:
-            raise ValidationError("Price must be a decimal >= 0")
-    except (ValueError, InvalidOperation):
-        raise ValidationError("Price must be a decimal >= 0")
-    try:
-        sale_price = Decimal(json.get("salePrice", 0))
-        if price < 0:
-            raise ValidationError("Sale Price must be a decimal >= 0")
-    except (ValueError, InvalidOperation):
-        raise ValidationError("Price must be a decimal >= 0")
-    is_active = json.get("isActive", True)
-    is_purchased = json.get("isPurchased", True)
-    is_sold = json.get("isSold", True)
         item = Product(
-        0,
+            name=data.name,
-        name,
+            units=data.units,
-        units,
+            fraction=data.fraction,
-        fraction,
+            fraction_units=data.fraction_units,
-        fraction_units,
+            product_yield=data.product_yield,
-        product_yield,
+            product_group_id=data.product_group.id_,
-        product_group_id,
+            account_id=Account.all_purchases(),
-        Account.all_purchases(),
+            price=data.price,
-        price,
+            sale_price=data.sale_price,
-        sale_price,
+            is_active=data.is_active,
-        is_active,
+            is_purchased=data.is_purchased,
-        is_purchased,
+            is_sold=data.is_sold
-        is_sold,
+        ).create(db)
-    ).create(request.dbsession)
+        db.commit()
-    transaction.commit()
+        return product_info(item.id, db)
-    return product_info(item.id, request.dbsession)
+    except SQLAlchemyError as e:
-
+        db.rollback()
-
+        raise HTTPException(
-@router.put("/{id}")  # "Products"
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
-def update(request):
+            detail=str(e),
-    item = (
-        request.dbsession.query(Product)
-        .filter(Product.id == uuid.UUID(request.matchdict["id"]))
-        .first()
         )
+    except Exception:
+        db.rollback()
+        raise HTTPException(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            detail=traceback.format_exc(),
+        )
+
+
+@router.put("/{id_}", response_model=schemas.Product)
+def update(
+    id_: uuid.UUID,
+    data: schemas.ProductIn,
+    db: Session = Depends(get_db),
+    user: User = Security(get_user, scopes=["products"]),
+):
+    try:
+        item: Product = db.query(Product).filter(Product.id == id_).first()
         if item.is_fixture:
-        raise ValidationError(
+            raise HTTPException(
-            "{0} is a fixture and cannot be edited or deleted.".format(item.full_name)
+                status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+                detail=f"{item.name} is a fixture and cannot be edited or deleted.",
             )
-    item.name = request.json_body["name"].strip()
+        item.name = data.name
-    item.units = request.json_body["units"].strip()
+        item.units = data.units
-    try:
+        item.fraction = data.fraction
-        item.fraction = Decimal(request.json_body["fraction"])
+        item.fraction_units = data.fraction_units
-        if item.fraction <= 0:
+        item.product_yield = data.product_yield
-            raise ValidationError("Fraction must be a decimal > 0")
+        item.product_group_id = data.product_group.id_
-    except (ValueError, InvalidOperation):
-        raise ValidationError("Fraction must be a decimal > 0")
-    item.fraction_units = request.json_body["fractionUnits"]
-
-    try:
-        item.product_yield = Decimal(request.json_body["productYield"])
-        if item.product_yield <= 0 or item.product_yield > 1:
-            raise ValidationError("Yield must be a decimal > 0 <= 1")
-    except (ValueError, InvalidOperation):
-        raise ValidationError("Yield must be a decimal > 0 <= 1")
-
-    item.product_group_id = uuid.UUID(request.json_body["productGroup"]["id"])
         item.account_id = Account.all_purchases()
-    try:
+        item.price = data.price
-        item.price = Decimal(request.json_body["price"])
+        item.sale_price = data.sale_price
-        if item.price < 0:
+        item.is_active = data.is_active
-            raise ValidationError("Price must be a decimal >= 0")
+        item.is_purchased = data.is_purchased
-    except (ValueError, InvalidOperation):
+        item.is_sold = data.is_sold
-        raise ValidationError("Price must be a decimal >= 0")
+        db.commit()
-    try:
+        return product_info(item.id, db)
-        item.sale_price = Decimal(request.json_body["salePrice"])
+    except SQLAlchemyError as e:
-        if item.sale_price < 0:
+        db.rollback()
-            raise ValidationError("Sale Price must be a decimal >= 0")
+        raise HTTPException(
-    except (ValueError, InvalidOperation):
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(e),
-        raise ValidationError("Sale Price must be a decimal >= 0")
-    item.is_active = request.json_body["isActive"]
-    item.is_fixture = request.json_body["isFixture"]
-    item.is_purchased = request.json_body["isPurchased"]
-    item.is_sold = request.json_body["isSold"]
-    transaction.commit()
-    return product_info(item.id, request.dbsession)
-
-
-@router.delete("/{id}")  # "Products"
-def delete(request):
-    product = (
-        request.dbsession.query(Product)
-        .filter(Product.id == uuid.UUID(request.matchdict["id"]))
-        .first()
         )
-    can_delete, reason = product.can_delete(request.has_permission("Advanced Delete"))
+    except Exception:
+        db.rollback()
+        raise HTTPException(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            detail=traceback.format_exc(),
+        )
+
+
+@router.delete("/{id_}")
+def delete(
+    id_: uuid.UUID,
+    db: Session = Depends(get_db),
+    user: User = Security(get_user, scopes=["products"]),
+):
+    product: Product = db.query(Product).filter(Product.id == id_).first()
+    can_delete, reason = product.can_delete("Advanced Delete" in user.permissions)
 
     if can_delete:
-        delete_with_data(product, request)
+        delete_with_data(product, db)
-        transaction.commit()
+        db.commit()
-        return product_info(None, request.dbsession)
+        return product_info(None, db)
     else:
-        transaction.abort()
+        db.abort()
-        response = Response("Cannot delete product because {0}".format(reason))
+        raise HTTPException(
-        response.status_int = 500
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
-        return response
+            detail=f"Cannot delete account because {reason}",
-
-
-@router.get("/{id}")  # "Products"
-def show_id(request):
-    return product_info(uuid.UUID(request.matchdict.get("id", None)), request.dbsession)
-
-
-@router.get("/new")  # "Products"
-def show_blank(request):
-    return product_info(None, request.dbsession)
-
-
-@router.get("/", )  # "Authenticated"
-def show_list(l: bool):
-    list_ = (
-        request.dbsession.query(Product)
-        .order_by(desc(Product.is_active))
-        .order_by(Product.product_group_id)
-        .order_by(Product.name)
-        .all()
         )
-    products = []
+
-    for item in list_:
+
-        products.append(
+@router.get("/")  # "Products"
+def show_blank(
+        db: Session = Depends(get_db), user: User = Security(get_user, scopes=["products"])
+):
+    return product_info(None, db)
+
+
+@router.get("/list")
+def show_list(db: Session = Depends(get_db), user: User = Depends(get_user)):
+    return [
         {
             "id": item.id,
             "code": item.code,
@@ -185,27 +150,26 @@ def show_list(l: bool):
             "productYield": item.product_yield,
             "isFixture": item.is_fixture,
         }
-        )
+        for item in db.query(Product).order_by(desc(Product.is_active)).order_by(Product.product_group_id).order_by(Product.name).all()
-    return products
+    ]
 
 
-@router.get("/")  # "Authenticated"
+@router.get("/query")
-async def show_term(t: str):
+async def show_term(
-    term = request.GET.get("t", None)
+    t: str = None,
-    term = term.strip() if term is not None and term.strip() != "" else None
+    a: bool = None,
-    active = request.GET.get("a", None)
+    c: int = None,
-    active = active if active is not None else None
+    p: bool = None,
-    count = request.GET.get("c", None)
+    e: bool = False,
-    count = None if count is None or count == "" else int(count)
+    db: Session = Depends(get_db),
-    is_purchased = request.GET.get("p", None)
+    current_user: User = Depends(get_user),
-    is_purchased = is_purchased if is_purchased is not None else None
+):
-    extended = request.GET.get("e", False)
+    count = c
-
+    extended = e
-    def add_list(query):
+    list_ = []
-        local_results = []
+    for index, item in enumerate(Product.query(t, p, a, db)):
-        for index, item in enumerate(query):
+        list_.append(
-            if extended:
+            {
-                product = {
                 "id": item.id,
                 "name": item.full_name,
                 "price": item.price,
@@ -215,31 +179,25 @@ async def show_term(t: str):
                 "productYield": item.product_yield,
                 "isSold": item.is_sold,
                 "salePrice": item.sale_price,
+            } if extended else {
+                "id": item.id, "name": item.full_name, "price": item.price
             }
-            else:
+        )
-                product = {"id": item.id, "name": item.full_name, "price": item.price}
-            local_results.append(product)
         if count is not None and index == count - 1:
             break
-        return local_results
+    return sorted(list_, key=lambda k: k["name"])
-
-    result_list = []
-
-    query = request.dbsession.query(Product)
-    if active is not None:
-        query = query.filter(Product.is_active == active)
-    if is_purchased is not None:
-        query = query.filter(Product.is_purchased == is_purchased)
-    if term is not None:
-        for item in term.split():
-            if item.strip() != "":
-                query = query.filter(Product.name.ilike("%" + item + "%"))
-    result_list += add_list(query)
-
-    return sorted(result_list, key=lambda k: k["name"])
 
 
-def product_info(id_, dbsession):
+@router.get("/{id_}")
+def show_id(
+    id_: uuid.UUID,
+    db: Session = Depends(get_db),
+    user: User = Security(get_user, scopes=["accounts"]),
+):
+    return product_info(id_, db)
+
+
+def product_info(id_: Optional[uuid.UUID], db: Session):
     if id_ is None:
         product = {
             "code": "(Auto)",
@@ -249,7 +207,7 @@ def product_info(id_, dbsession):
             "isSold": False,
         }
     else:
-        product = dbsession.query(Product).filter(Product.id == id_).first()
+        product = db.query(Product).filter(Product.id == id_).first()
         product = {
             "id": product.id,
             "code": product.code,
@@ -270,17 +228,17 @@ def product_info(id_, dbsession):
     return product
 
 
-def delete_with_data(product, request):
+def delete_with_data(product: Product, db: Session):
     suspense_product = (
-        request.dbsession.query(Product)
+        db.query(Product)
         .filter(Product.id == Product.suspense())
         .first()
     )
     suspense_batch = (
-        request.dbsession.query(Batch).filter(Batch.id == Batch.suspense()).first()
+        db.query(Batch).filter(Batch.id == Batch.suspense()).first()
     )
     query = (
-        request.dbsession.query(Voucher)
+        db.query(Voucher)
         .options(joinedload_all(Voucher.inventories, Inventory.product, innerjoin=True))
         .filter(Voucher.inventories.any(Inventory.product_id == product.id))
         .all()
@@ -296,7 +254,7 @@ def delete_with_data(product, request):
             else:
                 others = True
         if not others and voucher.type == VoucherType.by_id("Issue"):
-            request.dbsession.delete(voucher)
+            db.delete(voucher)
         else:
             if sus_inv is None:
                 prod_inv.product = suspense_product
@@ -305,15 +263,11 @@ def delete_with_data(product, request):
                 prod_inv.tax = 0
                 prod_inv.discount = 0
                 prod_inv.batch = suspense_batch
-                voucher.narration += "\nSuspense \u20B9{0:,.2f} is {1}".format(
+                voucher.narration += f"\nSuspense \u20B9{prod_inv.amount:,.2f} is {product.name}"
-                    prod_inv.amount, product.name
-                )
             else:
                 sus_inv.quantity += prod_inv.amount
-                request.dbsession.delete(prod_inv)
+                db.delete(prod_inv)
-                voucher.narration += "\nDeleted \u20B9{0:,.2f} of {1}".format(
+                voucher.narration += f"\nDeleted \u20B9{prod_inv.amount:,.2f} of {product.name}"
-                    prod_inv.amount, product.name
-                )
     for batch in product.batches:
-        request.dbsession.delete(batch)
+        db.delete(batch)
-    request.dbsession.delete(product)
+    db.delete(product)

brewman/routers/product_group.py

@@ -1,90 +1,150 @@
+import traceback
 import uuid
+from typing import List, Optional
 
+from fastapi import APIRouter, HTTPException, status, Depends, Security
+from sqlalchemy.exc import SQLAlchemyError
+from sqlalchemy.orm import Session
+
+import brewman.schemas.master as schemas
+from ..core.security import User, get_current_active_user as get_user
+from ..db.session import SessionLocal
 from brewman.models.master import ProductGroup
-from brewman.models.validation_exception import ValidationError
-from fastapi import APIRouter
-
 router = APIRouter()
 
 
-@router.post("/new")  # "Product Groups"
+# Dependency
-def save(request):
+def get_db():
-    item = ProductGroup(request.json_body["name"])
+    try:
-    request.dbsession.add(item)
+        db = SessionLocal()
-    transaction.commit()
+        yield db
-    return product_group_info(item.id, request.dbsession)
+    finally:
+        db.close()
 
 
-@router.put("/{id}")  # "Product Groups"
+@router.post("/", response_model=schemas.ProductGroup)
-def update(request):
+def save(
-    item = (
+    data: schemas.ProductGroupIn,
-        request.dbsession.query(ProductGroup)
+    db: Session = Depends(get_db),
-        .filter(ProductGroup.id == uuid.UUID(request.matchdict["id"]))
+    user: User = Security(get_user, scopes=["product-groups"]),
-        .first()
+):
+    try:
+        item = ProductGroup(name=data.name)
+        db.add(item)
+        db.commit()
+        return product_group_info(item, db)
+    except SQLAlchemyError as e:
+        db.rollback()
+        raise HTTPException(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            detail=str(e),
         )
+    except Exception:
+        db.rollback()
+        raise HTTPException(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            detail=traceback.format_exc(),
+        )
+
+
+@router.put("/{id_}", response_model=schemas.ProductGroup)
+def update(
+    id_: uuid.UUID,
+    data: schemas.ProductGroupIn,
+    db: Session = Depends(get_db),
+    user: User = Security(get_user, scopes=["product-groups"]),
+):
+    try:
+        item = db.query(ProductGroup).filter(ProductGroup.id == id_).first()
         if item.is_fixture:
-        raise ValidationError(
+            raise HTTPException(
-            "{0} is a fixture and cannot be edited or deleted.".format(item.name)
+                status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+                detail=f"{item.name} is a fixture and cannot be edited or deleted.",
+            )
+        item.name = data.name
+        db.commit()
+        return product_group_info(item, db)
+    except SQLAlchemyError as e:
+        db.rollback()
+        raise HTTPException(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            detail=str(e),
+        )
+    except Exception:
+        db.rollback()
+        raise HTTPException(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            detail=traceback.format_exc(),
         )
-    item.name = request.json_body["name"]
-    transaction.commit()
-    return product_group_info(item.id, request.dbsession)
 
 
-@router.delete("/{id}")  # "Product Groups"
+@router.delete("/{id_}")
-def delete(request):
+def delete(
-    item = (
+    id_: uuid.UUID,
-        request.dbsession.query(ProductGroup)
+    db: Session = Depends(get_db),
-        .filter(ProductGroup.id == uuid.UUID(request.matchdict["id"]))
+    user: User = Security(get_user, scopes=["product-groups"]),
-        .first()
+):
-    )
+    try:
+        item = db.query(ProductGroup).filter(ProductGroup.id == id_).first()
 
         if item is None:
-        response = Response("Product Group not Found")
+            raise HTTPException(
-        response.status_int = 500
+                status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
-        return response
+                detail="Product Group not found",
+            )
         elif item.is_fixture:
-        raise ValidationError(
+            raise HTTPException(
-            "{0} is a fixture and cannot be edited or deleted.".format(item.name)
+                status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+                detail=f"{item.name} is a fixture and cannot be edited or deleted.",
             )
         else:
-        response = Response("Product Group deletion not implemented")
+            raise HTTPException(
-        response.status_int = 500
+                status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
-        return response
+                detail="Product Group deletion not implemented",
-
+            )
-
+    except Exception:
-@router.get("/{id}")  # "Product Groups"
+        db.rollback()
-def show_id(request):
+        raise HTTPException(
-    return product_group_info(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
-        uuid.UUID(request.matchdict.get("id", None)), request.dbsession
+            detail=traceback.format_exc(),
         )
 
 
-@router.get("/new")  # "Product Groups"
+@router.get("/")
-def show_blank(request):
+def show_blank(
-    return product_group_info(None, request.dbsession)
+    db: Session = Depends(get_db),
+    user: User = Security(get_user, scopes=["product-groups"]),
+):
+    return product_group_info(None, db)
 
 
-@router.get("/")  # "Authenticated"
+@router.get("/list", response_model=List[schemas.ProductGroup])
-async def show_list(l: bool):
+async def show_list(db: Session = Depends(get_db), user: User = Depends(get_user)):
-    list_ = request.dbsession.query(ProductGroup).order_by(ProductGroup.name).all()
+    return[
-    product_groups = []
-    for item in list_:
-        product_groups.append(
         {"id": item.id, "name": item.name, "isFixture": item.is_fixture}
-        )
+        for item in db.query(ProductGroup).order_by(ProductGroup.name).all()
-    return product_groups
+    ]
 
 
-def product_group_info(id_, dbsession):
+@router.get("/{id_}", response_model=schemas.ProductGroup)
-    if id_ is None:
+def show_id(
-        return {"name": ''}
+    id_: uuid.UUID,
-    else:
+    db: Session = Depends(get_db),
-        product_group = (
+    user: User = Security(get_user, scopes=["product-groups"]),
-            dbsession.query(ProductGroup).filter(ProductGroup.id == id_).first()
+):
-        )
+    item = db.query(ProductGroup).filter(ProductGroup.id == id_).first()
+    return product_group_info(item, db)
+
+
+def product_group_info(item: Optional[ProductGroup], db):
+    if item is None:
         return {
-            "id": product_group.id,
+            "name": "",
-            "name": product_group.name,
+            "isFixture": False,
-            "isFixture": product_group.is_fixture,
+        }
+    else:
+        return {
+            "id": item.id,
+            "name": item.name,
+            "isFixture": item.is_fixture,
         }

brewman/schemas/master.py

@@ -11,23 +11,59 @@ def to_camel(string: str) -> str:
     return ''.join([first] + [word.capitalize() for word in others])
 
 
-class Product(BaseModel):
+class AccountLink(BaseModel):
+    id_: uuid.UUID = Field(...)
+
+    class Config:
+        fields = {'id_': 'id'}
+
+
+class ProductGroupIn(BaseModel):
+    name: str = Field(..., min_length=1)
+
+
+class ProductGroup(ProductGroupIn):
     id_: uuid.UUID
-    code: int
-    name: str
-    units: str
-    fraction: Decimal
-    fraction_units: str
-    product_yield: Decimal
-    product_group_id: uuid.UUID
-    account_id: uuid.UUID
-    price: Decimal
-    sale_price: Decimal
-    is_active: bool
     is_fixture: bool
+
+    class Config:
+        fields = {'id_': 'id'}
+        anystr_strip_whitespace = True
+        alias_generator = to_camel
+
+
+class ProductGroupLink(BaseModel):
+    id_: uuid.UUID = Field(...)
+
+    class Config:
+        fields = {'id_': 'id'}
+
+
+class ProductIn(BaseModel):
+    name: str = Field(..., min_length=1)
+    units: str
+    fraction: Decimal = Field(ge=0, multiple_of=0.00001, default=0)
+    fraction_units: str
+    product_yield: Decimal = Field(ge=0, le=1, multiple_of=0.00001, default=1)
+    product_group: ProductGroupLink = Field(...)
+    account_id: AccountLink = Field(...)
+    price: Decimal = Field(ge=0, multiple_of=0.01, default=0)
+    sale_price: Decimal = Field(ge=0, multiple_of=0.01, default=0)
+    is_active: bool
     is_purchased: bool
     is_sold: bool
 
+    class Config:
+        fields = {'id_': 'id'}
+        anystr_strip_whitespace = True
+        alias_generator = to_camel
+
+
+class Product(ProductIn):
+    id_: uuid.UUID
+    code: int
+    is_fixture: bool
+
 
 class Recipe(BaseModel):
     id_: uuid.UUID
@@ -53,14 +89,8 @@ class RecipeItem(BaseModel):
     price: int
 
 
-class ProductGroup(BaseModel):
-    id_: uuid.UUID
-    name: str
-    is_fixture: bool
-
-
 class CostCentreLink(BaseModel):
-    id_: uuid.UUID
+    id_: uuid.UUID = Field(...)
 
     class Config:
         fields = {'id_': 'id'}