README.md

@@ -36,7 +36,6 @@ To create the admin during data seeding instead, set `BBS_SEED_ADMIN_PASSWORD` f
 
 ## TODO
 
-- Migrate inventory and report views to the SPA
 - Stats: Implement users tab
 
 ## TODO-old

bbs/api/mutations/inventory.py

@@ -0,0 +1,63 @@
+from decimal import Decimal
+from typing import Annotated
+
+import strawberry
+from django.db import transaction
+from strawberry import ID, Info
+
+from bbs import models
+from bbs.api.errors import FieldError, FormErrors
+from bbs.api.types.inventory import InventoryTransaction
+
+
+@strawberry.input
+class InventoryTransactionInput:
+    product_id: ID
+    amount: int
+    unit_price: Decimal
+    comment: str = ""
+
+
+@strawberry.type
+class CreateInventoryTransactionSuccess:
+    inventory_transaction: InventoryTransaction
+
+
+CreateInventoryTransactionResponse = Annotated[
+    CreateInventoryTransactionSuccess | FormErrors,
+    strawberry.union("CreateInventoryTransactionResponse"),
+]
+
+
+@strawberry.mutation
+@transaction.atomic
+def create_inventory_transaction(
+    info: Info,
+    data: InventoryTransactionInput,
+) -> CreateInventoryTransactionResponse:
+    user = info.context.request.user
+    if not user.is_authenticated:
+        message = "Logg inn for å registrere varetransaksjoner."
+        return FormErrors(message=message, fields=[FieldError(field="user", message=message)])
+
+    try:
+        product = models.Product.objects.get(pk=data.product_id, active=True)
+    except (models.Product.DoesNotExist, ValueError):
+        message = "Velg et aktivt produkt."
+        return FormErrors(message=message, fields=[FieldError(field="product_id", message=message)])
+
+    product.inventory_amount += data.amount
+    product.save()
+    inventory_transaction = models.InventoryTransaction.objects.create(
+        user=user,
+        product=product,
+        amount=data.amount,
+        unit_price=data.unit_price,
+        comment=data.comment,
+    )
+    return CreateInventoryTransactionSuccess(inventory_transaction=inventory_transaction)
+
+
+@strawberry.type
+class InventoryMutations:
+    create_inventory_transaction = create_inventory_transaction

bbs/api/queries/inventory.py

@@ -1,9 +1,113 @@
+from datetime import datetime
+from decimal import Decimal
+
 import strawberry
 import strawberry_django
+from django.db.models import F, Sum
+from django.utils import timezone
 
-from bbs.api.types.inventory import Transaction, TransactionOrdering
+from bbs import models
+from bbs.api.types.inventory import (
+    InventoryReport,
+    InventoryReportProduct,
+    InventoryTransaction,
+    InventoryTransactionOrdering,
+    Transaction,
+    TransactionOrdering,
+)
 
 
 @strawberry.type
 class InventoryQueries:
     transaction_list: list[Transaction] = strawberry_django.field(pagination=True, ordering=TransactionOrdering)
+    inventory_transaction_list: list[InventoryTransaction] = strawberry_django.field(
+        pagination=True,
+        ordering=InventoryTransactionOrdering,
+    )
+
+    @strawberry.field
+    def inventory_report(self, start_time: datetime, end_time: datetime) -> InventoryReport:
+        if timezone.is_naive(start_time):
+            start_time = timezone.make_aware(start_time)
+        if timezone.is_naive(end_time):
+            end_time = timezone.make_aware(end_time)
+        if start_time > end_time:
+            raise ValueError("The report start date must not be after the end date.")
+
+        purchases = (
+            models.InventoryTransaction.objects.filter(created__range=(start_time, end_time))
+            .values("product_id", "product__name")
+            .annotate(units=Sum("amount"), value=Sum(F("amount") * F("unit_price")))
+        )
+        sales = (
+            models.OrderLine.objects.filter(order__created__range=(start_time, end_time))
+            .values("product_id", "product__name")
+            .annotate(units=Sum("amount"), value=Sum(F("amount") * F("unit_price")))
+        )
+
+        product_totals = {}
+        for product in purchases:
+            product_totals[product["product_id"]] = {
+                "product_id": product["product_id"],
+                "product_name": product["product__name"],
+                "purchase_units": product["units"] or 0,
+                "purchase_value": product["value"] or Decimal(0),
+                "sales_units": 0,
+                "sales_value": Decimal(0),
+            }
+
+        for product in sales:
+            product_data = product_totals.setdefault(
+                product["product_id"],
+                {
+                    "product_id": product["product_id"],
+                    "product_name": product["product__name"],
+                    "purchase_units": 0,
+                    "purchase_value": Decimal(0),
+                    "sales_units": 0,
+                    "sales_value": Decimal(0),
+                },
+            )
+            product_data["sales_units"] = product["units"] or 0
+            product_data["sales_value"] = product["value"] or Decimal(0)
+
+        product_data = sorted(product_totals.values(), key=lambda product: product["product_name"])
+        inventory_purchases = sum((product["purchase_value"] for product in product_data), Decimal(0))
+        product_sales = sum((product["sales_value"] for product in product_data), Decimal(0))
+
+        deposits = (
+            models.Transaction.objects.filter(created__range=(start_time, end_time)).aggregate(total=Sum("amount"))[
+                "total"
+            ]
+            or Decimal(0)
+        )
+        order_purchases = (
+            models.Order.objects.filter(created__range=(start_time, end_time)).aggregate(total=Sum("order_sum"))[
+                "total"
+            ]
+            or Decimal(0)
+        )
+        deposits_start = (
+            models.Transaction.objects.filter(created__lt=start_time).aggregate(total=Sum("amount"))["total"]
+            or Decimal(0)
+        )
+        orders_start = (
+            models.Order.objects.filter(created__lt=start_time).aggregate(total=Sum("order_sum"))["total"] or Decimal(0)
+        )
+        deposits_end = (
+            models.Transaction.objects.filter(created__lte=end_time).aggregate(total=Sum("amount"))["total"]
+            or Decimal(0)
+        )
+        orders_end = (
+            models.Order.objects.filter(created__lte=end_time).aggregate(total=Sum("order_sum"))["total"] or Decimal(0)
+        )
+
+        return InventoryReport(
+            products=[InventoryReportProduct(**product) for product in product_data],
+            inventory_purchases=inventory_purchases,
+            product_sales=product_sales,
+            deposits=deposits,
+            order_purchases=order_purchases,
+            balance_at_start=deposits_start - orders_start,
+            balance_at_end=deposits_end - orders_end,
+        )

bbs/api/schema.py

@@ -2,6 +2,7 @@ import strawberry
 from django.core.exceptions import ObjectDoesNotExist
 from strawberry.extensions import SchemaExtension
 
+from bbs.api.mutations.inventory import InventoryMutations
 from bbs.api.mutations.shop import ShopMutations
 from bbs.api.mutations.users import UsersMutations
 from bbs.api.queries.inventory import InventoryQueries
@@ -15,7 +16,7 @@ class Query(InventoryQueries, ShopQueries, UsersQueries):
 
 
 @strawberry.type
-class Mutation(ShopMutations, UsersMutations):
+class Mutation(InventoryMutations, ShopMutations, UsersMutations):
     pass
 
 

bbs/api/types/inventory.py

@@ -1,12 +1,14 @@
+from decimal import Decimal
 from typing import TYPE_CHECKING, Annotated
 
 import strawberry
 import strawberry_django
-from strawberry import auto
+from strawberry import ID, auto
 
 from bbs import models
 
 if TYPE_CHECKING:
+    from .shop import Product
     from .users import User
 
 
@@ -21,3 +23,40 @@ class Transaction:
     user: Annotated["User", strawberry.lazy(".users")]
     amount: auto
     created: auto
+
+
+@strawberry_django.type(models.InventoryTransaction)
+class InventoryTransaction:
+    id: auto
+    user: Annotated["User", strawberry.lazy(".users")]
+    product: Annotated["Product", strawberry.lazy(".shop")]
+    amount: auto
+    unit_price: auto
+    comment: auto
+    created: auto
+
+
+@strawberry_django.order_type(models.InventoryTransaction)
+class InventoryTransactionOrdering:
+    created: auto
+
+
+@strawberry.type
+class InventoryReportProduct:
+    product_id: ID
+    product_name: str
+    purchase_units: int
+    purchase_value: Decimal
+    sales_units: int
+    sales_value: Decimal
+
+
+@strawberry.type
+class InventoryReport:
+    products: list[InventoryReportProduct]
+    inventory_purchases: Decimal
+    product_sales: Decimal
+    deposits: Decimal
+    order_purchases: Decimal
+    balance_at_start: Decimal
+    balance_at_end: Decimal

bbs/api/types/shop.py

@@ -1,3 +1,4 @@
+from decimal import Decimal
 from typing import TYPE_CHECKING, Annotated
 
 import strawberry
@@ -24,6 +25,11 @@ class Product:
     image_url: str
     sale_price_int: auto
     sale_price_ext: auto
+    active: auto
+    inventory_amount: auto
+    updated: auto
+    wholesale_unit_price: Decimal
+    wholesale_value: Decimal
     # FIXME: stricter types
     user_counts: JSONScalar
 

bbs/tests/test_mutations.py

@@ -1,8 +1,10 @@
 import pytest  # noqa: INP001
+from django.contrib.auth import get_user_model
 from django.test import Client
+from django.utils import timezone
 from strawberry.django.test import GraphQLTestClient
 
-from bbs.models import Order, Product
+from bbs.models import InventoryTransaction, Order, OrderLine, Product, Transaction
 
 
 @pytest.fixture(name="gql_client")
@@ -50,3 +52,137 @@ def test_create_order(product, gql_client):
     assert Order.objects.count() == 1
     o = Order.objects.first()
     assert o.orderlines.first().product.id == product.id
+
+
+def test_create_inventory_transaction_requires_login(product, gql_client):
+    result = gql_client.query(
+        """
+        mutation CreateInventoryTransaction($data: InventoryTransactionInput!) {
+          createInventoryTransaction(data: $data) {
+            ... on FormErrors { message }
+          }
+        }
+        """,
+        variables={"data": {"productId": str(product.id), "amount": 5, "unitPrice": "12.5"}},
+    )
+
+    assert not result.errors
+    assert result.data["createInventoryTransaction"]["message"] == "Logg inn for å registrere varetransaksjoner."
+    product.refresh_from_db()
+    assert product.inventory_amount == 0
+    assert InventoryTransaction.objects.count() == 0
+
+
+def test_create_inventory_transaction_updates_stock(product, gql_client, client):
+    user = get_user_model().objects.create_user(username="stock-manager")
+    client.force_login(user)
+
+    result = gql_client.query(
+        """
+        mutation CreateInventoryTransaction($data: InventoryTransactionInput!) {
+          createInventoryTransaction(data: $data) {
+            ... on CreateInventoryTransactionSuccess {
+              inventoryTransaction {
+                amount
+                unitPrice
+                product { id inventoryAmount }
+                user { id }
+              }
+            }
+          }
+        }
+        """,
+        variables={
+            "data": {
+                "productId": str(product.id),
+                "amount": 5,
+                "unitPrice": "12.5",
+                "comment": "Restock",
+            }
+        },
+    )
+
+    assert not result.errors
+    transaction = result.data["createInventoryTransaction"]["inventoryTransaction"]
+    assert transaction["amount"] == 5
+    assert transaction["unitPrice"] == "12.5"
+    assert transaction["product"]["inventoryAmount"] == 5
+    assert transaction["user"]["id"] == str(user.id)
+    product.refresh_from_db()
+    assert product.inventory_amount == 5
+
+
+def test_inventory_report_aggregates_period_data(product, gql_client):
+    user = get_user_model().objects.create_user(username="report-user")
+    InventoryTransaction.objects.create(user=user, product=product, amount=5, unit_price=10)
+    transaction = Transaction.objects.create(user=user, amount=100)
+    order = Order.objects.create(order_sum=30)
+    OrderLine.objects.create(order=order, product=product, amount=2, unit_price=15)
+    start_time = timezone.make_naive(timezone.now() - timezone.timedelta(days=1))
+    end_time = timezone.make_naive(timezone.now() + timezone.timedelta(days=1))
+
+    result = gql_client.query(
+        """
+        query InventoryReport($startTime: DateTime!, $endTime: DateTime!) {
+          inventoryReport(startTime: $startTime, endTime: $endTime) {
+            products {
+              productId
+              purchaseUnits
+              purchaseValue
+              salesUnits
+              salesValue
+            }
+            inventoryPurchases
+            productSales
+            deposits
+            orderPurchases
+            balanceAtStart
+            balanceAtEnd
+          }
+        }
+        """,
+        variables={"startTime": start_time.isoformat(), "endTime": end_time.isoformat()},
+    )
+
+    assert not result.errors
+    report = result.data["inventoryReport"]
+    assert report["products"] == [
+        {
+            "productId": str(product.id),
+            "purchaseUnits": 5,
+            "purchaseValue": "50",
+            "salesUnits": 2,
+            "salesValue": "30",
+        }
+    ]
+    assert report["inventoryPurchases"] == "50"
+    assert report["productSales"] == "30"
+    assert report["deposits"] == "100"
+    assert report["orderPurchases"] == "30"
+    assert report["balanceAtStart"] == "0"
+    assert report["balanceAtEnd"] == "70"
+    assert transaction.amount == 100
+
+    products_result = gql_client.query(
+        """
+        query InventoryProducts {
+          allProducts {
+            id
+            active
+            inventoryAmount
+            wholesaleUnitPrice
+            wholesaleValue
+          }
+          inventoryTransactionList(ordering: [{created: DESC}], pagination: {limit: 20, offset: 0}) {
+            amount
+            unitPrice
+            product { name }
+            user { firstName lastName }
+          }
+        }
+        """
+    )
+
+    assert not products_result.errors
+    assert products_result.data["allProducts"][0]["active"]
+    assert products_result.data["inventoryTransactionList"][0]["amount"] == 5

bbs/tests/test_spa.py

@@ -0,0 +1,10 @@
+import pytest  # noqa: INP001
+from django.test import Client
+
+
+@pytest.mark.parametrize("path", ["/inventory", "/inventory/add", "/report"])
+def test_inventory_pages_serve_the_spa_entry(client: Client, path: str):
+    response = client.get(path)
+
+    assert response.status_code == 200
+    assert b'<div id="root"></div>' in b"".join(response.streaming_content)

bbs/urls.py

@@ -7,15 +7,17 @@ from django.views.decorators.csrf import csrf_exempt
 from strawberry.django.views import GraphQLView
 
 from bbs.api.schema import schema
-from bbs.views.reports import inventory, inventory_add, report
+from bbs.views.spa import spa_index
 
 admin.autodiscover()
 
 urlpatterns = [
-    # TODO: migrate reports to SPA
+    path("inventory", spa_index, name="inventory"),
-    path("inventory/", inventory, name="inventory"),
+    path("inventory/", spa_index),
-    path("inventory/add/", inventory_add, name="inventory-add"),
+    path("inventory/add", spa_index, name="inventory-add"),
-    path("report", report, name="report"),
+    path("inventory/add/", spa_index),
+    path("report", spa_index, name="report"),
+    path("report/", spa_index),
     path("accounts/login/", LoginView.as_view(), name="django.contrib.auth.views.login"),
     path(
         "accounts/logout/",

bbs/views/spa.py

@@ -0,0 +1,11 @@
+from pathlib import Path
+
+from django.contrib.staticfiles import finders
+from django.http import FileResponse, Http404
+
+
+def spa_index(_request):
+    index_path = finders.find("index.html")
+    if not index_path:
+        raise Http404("The frontend has not been built.")
+    return FileResponse(Path(index_path).open("rb"), content_type="text/html")

frontend/src/Routes.tsx

@@ -4,6 +4,9 @@ import { Route, Routes as ReactRouterRoutes } from "react-router-dom";
 const Splash = React.lazy(() => import("./components/Splash"));
 const UserCreate = React.lazy(() => import("./features/auth/UserCreate"));
 const Deposit = React.lazy(() => import("./features/deposit/Deposit"));
+const Inventory = React.lazy(() => import("./features/inventory/Inventory"));
+const InventoryAdd = React.lazy(() => import("./features/inventory/InventoryAdd"));
+const InventoryReport = React.lazy(() => import("./features/inventory/InventoryReport"));
 const Log = React.lazy(() => import("./features/log/Log"));
 const Register = React.lazy(() => import("./features/register/Register"));
 const OrderStats = React.lazy(() => import("./features/stats/OrderStats"));
@@ -16,6 +19,9 @@ export const Routes = (): JSX.Element => (
   <React.Suspense fallback={<div>Loading...</div>}>
     <ReactRouterRoutes>
       <Route path="/deposit" element={<Deposit />} />
+      <Route path="/inventory" element={<Inventory />} />
+      <Route path="/inventory/add" element={<InventoryAdd />} />
+      <Route path="/report" element={<InventoryReport />} />
       <Route path="/log" element={<Log />} />
       <Route path="/stats" element={<Stats />} />
       <Route path="/stats/orders" element={<OrderStats />} />

frontend/src/components/Header.tsx

@@ -32,6 +32,16 @@ export const Header = (): JSX.Element => {
               Logg
             </NavLink>
           </li>
+          <li>
+            <NavLink to="/inventory" className={navLinkStyles}>
+              Varebeholdning
+            </NavLink>
+          </li>
+          <li>
+            <NavLink to="/report" className={navLinkStyles}>
+              Rapport
+            </NavLink>
+          </li>
           <li>
             <NavLink to="/stats" className={navLinkStyles}>
               Statistikk

frontend/src/features/inventory/Inventory.module.css

@@ -0,0 +1,71 @@
+.section {
+  margin-top: 2rem;
+}
+
+.tableWrap {
+  max-width: 100%;
+  overflow-x: auto;
+}
+
+.tableWrap table {
+  width: 100%;
+}
+
+.inactive {
+  opacity: 0.65;
+}
+
+.transactions {
+  margin-top: 2rem;
+}
+
+.pagination {
+  display: flex;
+  gap: 0.75rem;
+  margin-top: 1rem;
+}
+
+.form {
+  display: grid;
+  max-width: 36rem;
+  gap: 1rem;
+}
+
+.form label {
+  display: grid;
+  gap: 0.35rem;
+}
+
+.form textarea,
+.form select {
+  padding: 0.5rem;
+  border: 1px solid var(--border);
+  border-radius: 4px;
+  background: rgb(35, 15, 41);
+  color: var(--text);
+  font: inherit;
+}
+
+.form textarea {
+  min-height: 6rem;
+}
+
+.summary {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 1rem 2rem;
+}
+
+.report {
+  margin-top: 2rem;
+}
+
+.error {
+  color: var(--sun);
+}
+
+@media (max-width: 640px) {
+  .tableWrap table {
+    min-width: 42rem;
+  }
+}

frontend/src/features/inventory/Inventory.tsx

@@ -0,0 +1,126 @@
+import { useQuery } from "@apollo/client";
+import React, { useState } from "react";
+import { Link } from "react-router-dom";
+
+import { GQLError } from "../../components/GQLError";
+import { InventoryPageDocument } from "../../types";
+import { formatCurrency } from "../../utils/currency";
+import { formatTime } from "../../utils/time";
+import styles from "./Inventory.module.css";
+
+const PAGE_SIZE = 20;
+
+const Inventory = () => {
+  const [offset, setOffset] = useState(0);
+  const { data, loading, error } = useQuery(InventoryPageDocument, {
+    variables: { limit: PAGE_SIZE, offset },
+  });
+
+  if (loading) return <div>Loading...</div>;
+  if (error) return <GQLError error={error} />;
+
+  const products = [...(data?.allProducts || [])].sort(
+    (a, b) =>
+      Number(b.active) - Number(a.active) || a.inventoryAmount - b.inventoryAmount || a.name.localeCompare(b.name),
+  );
+  const activeProducts = products.filter((product) => product.active);
+  const transactions = data?.inventoryTransactionList || [];
+
+  return (
+    <div>
+      <h2>Varebeholdning</h2>
+      <div className={styles.summary}>
+        <div>Antall aktive varer: {activeProducts.reduce((total, product) => total + product.inventoryAmount, 0)}</div>
+        <div>
+          Innkjøpsverdi:{" "}
+          {formatCurrency(activeProducts.reduce((total, product) => total + Number(product.wholesaleValue), 0))} kr
+        </div>
+      </div>
+      <section className={styles.section}>
+        <div className={styles.summary}>
+          <h3>Varer</h3>
+          <Link className="btn-primary" to="/inventory/add">
+            Registrer varetransaksjon
+          </Link>
+          <Link to="/report">Åpne rapport</Link>
+        </div>
+        <div className={styles.tableWrap}>
+          <table>
+            <thead>
+              <tr>
+                <th scope="col">Vare</th>
+                <th scope="col">Beholdning</th>
+                <th scope="col">Innkjøpspris</th>
+                <th scope="col">Verdi</th>
+                <th scope="col">I salg</th>
+                <th scope="col">Sist oppdatert</th>
+              </tr>
+            </thead>
+            <tbody>
+              {products.map((product) => (
+                <tr key={product.id} className={!product.active ? styles.inactive : undefined}>
+                  <td>{product.name}</td>
+                  <td>{product.inventoryAmount}</td>
+                  <td>{formatCurrency(Number(product.wholesaleUnitPrice))} kr</td>
+                  <td>{formatCurrency(Number(product.wholesaleValue))} kr</td>
+                  <td>{product.active ? "Ja" : "Nei"}</td>
+                  <td>{formatTime(product.updated)}</td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        </div>
+      </section>
+      <section className={styles.transactions}>
+        <h3>Varetransaksjoner</h3>
+        <div className={styles.tableWrap}>
+          <table>
+            <thead>
+              <tr>
+                <th scope="col">Når</th>
+                <th scope="col">Vare</th>
+                <th scope="col">Antall</th>
+                <th scope="col">Enhetspris</th>
+                <th scope="col">Hvem</th>
+                <th scope="col">Kommentar</th>
+              </tr>
+            </thead>
+            <tbody>
+              {transactions.map((transaction) => (
+                <tr key={transaction.id}>
+                  <td>{formatTime(transaction.created)}</td>
+                  <td>{transaction.product.name}</td>
+                  <td>{transaction.amount}</td>
+                  <td>{formatCurrency(Number(transaction.unitPrice))} kr</td>
+                  <td>
+                    {transaction.user.firstName} {transaction.user.lastName}
+                  </td>
+                  <td>{transaction.comment}</td>
+                </tr>
+              ))}
+              {!transactions.length && (
+                <tr>
+                  <td colSpan={6}>Ingen varetransaksjoner ennå.</td>
+                </tr>
+              )}
+            </tbody>
+          </table>
+        </div>
+        <div className={styles.pagination}>
+          <button type="button" disabled={offset === 0} onClick={() => setOffset(Math.max(0, offset - PAGE_SIZE))}>
+            Forrige
+          </button>
+          <button
+            type="button"
+            disabled={transactions.length < PAGE_SIZE}
+            onClick={() => setOffset(offset + PAGE_SIZE)}
+          >
+            Neste
+          </button>
+        </div>
+      </section>
+    </div>
+  );
+};
+
+export default Inventory;

frontend/src/features/inventory/InventoryAdd.tsx

@@ -0,0 +1,102 @@
+import { useMutation, useQuery } from "@apollo/client";
+import React, { useState } from "react";
+import { Link, useNavigate } from "react-router-dom";
+
+import { GQLError } from "../../components/GQLError";
+import { useToast } from "../../components/ToastProvider";
+import { CreateInventoryTransactionDocument, InventoryProductsDocument } from "../../types";
+import styles from "./Inventory.module.css";
+
+const InventoryAdd = () => {
+  const navigate = useNavigate();
+  const { showToast } = useToast();
+  const { data, loading, error } = useQuery(InventoryProductsDocument);
+  const [createInventoryTransaction, { loading: saving }] = useMutation(CreateInventoryTransactionDocument);
+  const [productId, setProductId] = useState("");
+  const [amount, setAmount] = useState("");
+  const [unitPrice, setUnitPrice] = useState("");
+  const [comment, setComment] = useState("");
+  const products = data?.allProducts || [];
+
+  if (loading) return <div>Loading...</div>;
+  if (error) return <GQLError error={error} />;
+
+  const onSubmit = async (event: React.FormEvent<HTMLFormElement>) => {
+    event.preventDefault();
+    try {
+      const result = await createInventoryTransaction({
+        variables: {
+          data: {
+            productId,
+            amount: Number(amount),
+            unitPrice,
+            comment,
+          },
+        },
+      });
+      const response = result.data?.createInventoryTransaction;
+      if (response?.__typename === "CreateInventoryTransactionSuccess") {
+        showToast(`Registrerte ${amount} stk ${response.inventoryTransaction.product.name}.`);
+        navigate("/inventory");
+      } else if (response?.__typename === "FormErrors") {
+        showToast(response.message, "danger");
+      } else {
+        showToast("Kunne ikke registrere varetransaksjonen.", "danger");
+      }
+    } catch (mutationError) {
+      showToast(
+        mutationError instanceof Error ? mutationError.message : "Kunne ikke registrere varetransaksjonen.",
+        "danger",
+      );
+    }
+  };
+
+  return (
+    <div>
+      <h2>Registrer varetransaksjon</h2>
+      <p>
+        Du må være innlogget for å registrere varer. <a href="/accounts/login/">Logg inn</a>.
+      </p>
+      <form className={styles.form} onSubmit={onSubmit}>
+        <label>
+          Vare
+          <select required value={productId} onChange={(event) => setProductId(event.target.value)}>
+            <option value="">Velg vare</option>
+            {products.map((product) => (
+              <option key={product.id} value={product.id}>
+                {product.name} ({product.inventoryAmount} på lager)
+              </option>
+            ))}
+          </select>
+        </label>
+        <label>
+          Antall
+          <input required type="number" step="1" value={amount} onChange={(event) => setAmount(event.target.value)} />
+        </label>
+        <label>
+          Innkjøpspris per enhet (kr)
+          <input
+            required
+            step="0.1"
+            type="number"
+            value={unitPrice}
+            onChange={(event) => setUnitPrice(event.target.value)}
+          />
+        </label>
+        <label>
+          Kommentar
+          <textarea value={comment} onChange={(event) => setComment(event.target.value)} />
+        </label>
+        <div className={styles.summary}>
+          <button type="submit" className="primary" disabled={saving || !products.length}>
+            {saving ? "Lagrer..." : "Registrer"}
+          </button>
+          <Link to="/inventory">Avbryt</Link>
+        </div>
+      </form>
+      {!products.length && <p>Ingen aktive varer å registrere.</p>}
+    </div>
+  );
+};
+
+export default InventoryAdd;

frontend/src/features/inventory/InventoryReport.tsx

@@ -0,0 +1,138 @@
+import { useQuery } from "@apollo/client";
+import { format, subDays } from "date-fns";
+import React, { useState } from "react";
+
+import { GQLError } from "../../components/GQLError";
+import { InventoryReportDocument } from "../../types";
+import { formatCurrency } from "../../utils/currency";
+import styles from "./Inventory.module.css";
+
+const today = () => format(new Date(), "yyyy-MM-dd");
+const monthAgo = () => format(subDays(new Date(), 30), "yyyy-MM-dd");
+const timestampAt = (date: string, endOfDay = false) => `${date}T${endOfDay ? "23:59:59.999999" : "00:00:00"}`;
+
+const InventoryReport = () => {
+  const [startDate, setStartDate] = useState(monthAgo);
+  const [endDate, setEndDate] = useState(today);
+  const [appliedRange, setAppliedRange] = useState({ startDate: monthAgo(), endDate: today() });
+  const invalidRange = startDate > endDate;
+  const { data, loading, error } = useQuery(InventoryReportDocument, {
+    variables: {
+      startTime: timestampAt(appliedRange.startDate),
+      endTime: timestampAt(appliedRange.endDate, true),
+    },
+  });
+
+  const onSubmit = (event: React.FormEvent<HTMLFormElement>) => {
+    event.preventDefault();
+    if (!invalidRange) setAppliedRange({ startDate, endDate });
+  };
+
+  if (error) return <GQLError error={error} />;
+
+  const report = data?.inventoryReport;
+  const balanceChange = report ? Number(report.balanceAtEnd) - Number(report.balanceAtStart) : 0;
+  const inventoryChange = report ? Number(report.inventoryPurchases) - Number(report.productSales) : 0;
+
+  return (
+    <div>
+      <h2>Varerapport</h2>
+      <form className={styles.summary} onSubmit={onSubmit}>
+        <label>
+          Fra
+          <input type="date" required value={startDate} onChange={(event) => setStartDate(event.target.value)} />
+        </label>
+        <label>
+          Til
+          <input type="date" required value={endDate} onChange={(event) => setEndDate(event.target.value)} />
+        </label>
+        <button type="submit" disabled={invalidRange}>
+          Oppdater
+        </button>
+      </form>
+      {invalidRange && <p className={styles.error}>Startdato må være før eller lik sluttdato.</p>}
+      {loading && <div>Loading...</div>}
+      {report && (
+        <>
+          <section className={styles.report}>
+            <h3>Beholdningsendring</h3>
+            <div className={styles.tableWrap}>
+              <table>
+                <thead>
+                  <tr>
+                    <th scope="col">Vare</th>
+                    <th scope="col">Innkjøp</th>
+                    <th scope="col">Salg</th>
+                    <th scope="col">Endring verdi</th>
+                  </tr>
+                </thead>
+                <tbody>
+                  {report.products.map((product) => (
+                    <tr key={product.productId}>
+                      <td>{product.productName}</td>
+                      <td>
+                        {formatCurrency(Number(product.purchaseValue))} kr ({product.purchaseUnits} stk)
+                      </td>
+                      <td>
+                        {formatCurrency(Number(product.salesValue))} kr ({product.salesUnits} stk)
+                      </td>
+                      <td>{formatCurrency(Number(product.purchaseValue) - Number(product.salesValue))} kr</td>
+                    </tr>
+                  ))}
+                  {!report.products.length && (
+                    <tr>
+                      <td colSpan={4}>Ingen varetransaksjoner i perioden.</td>
+                    </tr>
+                  )}
+                  <tr>
+                    <th scope="row">Totalt</th>
+                    <td>{formatCurrency(Number(report.inventoryPurchases))} kr</td>
+                    <td>{formatCurrency(Number(report.productSales))} kr</td>
+                    <td>{formatCurrency(inventoryChange)} kr</td>
+                  </tr>
+                </tbody>
+              </table>
+            </div>
+          </section>
+          <section className={styles.report}>
+            <h3>Innskudd og kjøp</h3>
+            <div className={styles.tableWrap}>
+              <table>
+                <thead>
+                  <tr>
+                    <th scope="col">Post</th>
+                    <th scope="col">Saldo</th>
+                    <th scope="col">Innskudd</th>
+                    <th scope="col">Kjøp</th>
+                  </tr>
+                </thead>
+                <tbody>
+                  <tr>
+                    <th scope="row">Saldo ved periodestart</th>
+                    <td>{formatCurrency(Number(report.balanceAtStart))} kr</td>
+                    <td />
+                    <td />
+                  </tr>
+                  <tr>
+                    <th scope="row">Endring i perioden</th>
+                    <td>{formatCurrency(balanceChange)} kr</td>
+                    <td>{formatCurrency(Number(report.deposits))} kr</td>
+                    <td>{formatCurrency(Number(report.orderPurchases))} kr</td>
+                  </tr>
+                  <tr>
+                    <th scope="row">Saldo ved periodeslutt</th>
+                    <td>{formatCurrency(Number(report.balanceAtEnd))} kr</td>
+                    <td />
+                    <td />
+                  </tr>
+                </tbody>
+              </table>
+            </div>
+          </section>
+        </>
+      )}
+    </div>
+  );
+};
+
+export default InventoryReport;

frontend/src/features/inventory/createInventoryTransaction.graphql

@@ -0,0 +1,20 @@
+mutation createInventoryTransaction($data: InventoryTransactionInput!) {
+  createInventoryTransaction(data: $data) {
+    ... on CreateInventoryTransactionSuccess {
+      inventoryTransaction {
+        id
+        product {
+          name
+          inventoryAmount
+        }
+      }
+    }
+    ... on FormErrors {
+      message
+      fields {
+        field
+        message
+      }
+    }
+  }
+}

frontend/src/features/inventory/inventoryPage.graphql

@@ -0,0 +1,25 @@
+query inventoryPage($limit: Int = 20, $offset: Int = 0) {
+  allProducts {
+    id
+    name
+    active
+    inventoryAmount
+    updated
+    wholesaleUnitPrice
+    wholesaleValue
+  }
+  inventoryTransactionList(ordering: [{ created: DESC }], pagination: { limit: $limit, offset: $offset }) {
+    id
+    created
+    amount
+    unitPrice
+    comment
+    product {
+      name
+    }
+    user {
+      firstName
+      lastName
+    }
+  }
+}

frontend/src/features/inventory/inventoryProducts.graphql

@@ -0,0 +1,7 @@
+query inventoryProducts {
+  allProducts(filters: { active: true }) {
+    id
+    name
+    inventoryAmount
+  }
+}

frontend/src/features/inventory/inventoryReport.graphql

@@ -0,0 +1,18 @@
+query inventoryReport($startTime: DateTime!, $endTime: DateTime!) {
+  inventoryReport(startTime: $startTime, endTime: $endTime) {
+    products {
+      productId
+      productName
+      purchaseUnits
+      purchaseValue
+      salesUnits
+      salesValue
+    }
+    inventoryPurchases
+    productSales
+    deposits
+    orderPurchases
+    balanceAtStart
+    balanceAtEnd
+  }
+}

frontend/src/features/register/ProductCard.tsx

@@ -1,11 +1,11 @@
 import clsx from "clsx";
 import React, { MouseEventHandler } from "react";
 
-import { SchemaProduct as Product } from "../../types";
+import { AllProductsQuery } from "../../types";
 import styles from "./ProductCard.module.css";
 
 type ProductCardProps = {
-  product: Omit<Product, "userCounts">;
+  product: AllProductsQuery["allProducts"][number];
   onProduct: MouseEventHandler;
   active: boolean;
   amount: number;

frontend/src/features/register/Register.tsx

@@ -1,6 +1,6 @@
 import React from "react";
 
-import { OrderLineInput, SchemaProduct as Product } from "../../types";
+import { AllProductsQuery, OrderLineInput } from "../../types";
 import { UserCard } from "../users/UserCard";
 import { ProductCard } from "./ProductCard";
 import styles from "./Register.module.css";
@@ -55,7 +55,7 @@ const Register = (): JSX.Element => {
       <section className={styles.productListSection}>
         <h2>Kjøper hva?</h2>
         <div className={styles.productList}>
-          {products.map((product: Omit<Product, "userCounts">) => (
+          {products.map((product: AllProductsQuery["allProducts"][number]) => (
             <ProductCard
               key={product.id}
               product={product}

frontend/src/features/register/useRegister.ts

@@ -2,15 +2,23 @@ import { useMutation, useQuery } from "@apollo/client";
 import { useState } from "react";
 
 import { useToast } from "../../components/ToastProvider";
-import { AllProductsDocument, AllUsersDocument, CreateOrderDocument, OrderLineInput, SchemaProduct } from "../../types";
+import {
+  AllProductsDocument,
+  AllProductsQuery,
+  AllUsersDocument,
+  CreateOrderDocument,
+  OrderLineInput,
+} from "../../types";
 import { formatCurrency } from "../../utils/currency";
 import { activeUserFilter } from "../../utils/users";
 
 const USER_EXTERNAL = "external";
 
-const sumTotal = (products: Omit<SchemaProduct, "userCounts">[], order: OrderLineInput[], isExternal: boolean) => {
+type Product = AllProductsQuery["allProducts"][number];
+
+const sumTotal = (products: Product[], order: OrderLineInput[], isExternal: boolean) => {
   const prices = order.map((orderLine: OrderLineInput) => {
-    const product = products.find((product: Omit<SchemaProduct, "userCounts">) => product.id === orderLine.productId);
+    const product = products.find((product) => product.id === orderLine.productId);
     if (!product) return 0;
     return orderLine.amount * Number(isExternal ? product.salePriceExt : product.salePriceInt);
   });

frontend/src/types.ts

@@ -35,6 +35,13 @@ export type SchemaCreateDepositSuccess = {
   transaction: SchemaTransaction;
 };
 
+export type SchemaCreateInventoryTransactionResponse = SchemaCreateInventoryTransactionSuccess | SchemaFormErrors;
+
+export type SchemaCreateInventoryTransactionSuccess = {
+  __typename?: 'CreateInventoryTransactionSuccess';
+  inventoryTransaction: SchemaInventoryTransaction;
+};
+
 export type SchemaCreateOrderResponse = SchemaCreateOrderSuccess | SchemaInsufficientFunds | SchemaFormErrors;
 
 export type SchemaCreateOrderSuccess = {
@@ -68,14 +75,62 @@ export type SchemaInsufficientFunds = SchemaError & {
   amountLacking: Scalars['Float']['output'];
 };
 
+export type SchemaInventoryReport = {
+  __typename?: 'InventoryReport';
+  products: Array<SchemaInventoryReportProduct>;
+  inventoryPurchases: Scalars['Decimal']['output'];
+  productSales: Scalars['Decimal']['output'];
+  deposits: Scalars['Decimal']['output'];
+  orderPurchases: Scalars['Decimal']['output'];
+  balanceAtStart: Scalars['Decimal']['output'];
+  balanceAtEnd: Scalars['Decimal']['output'];
+};
+
+export type SchemaInventoryReportProduct = {
+  __typename?: 'InventoryReportProduct';
+  productId: Scalars['ID']['output'];
+  productName: Scalars['String']['output'];
+  purchaseUnits: Scalars['Int']['output'];
+  purchaseValue: Scalars['Decimal']['output'];
+  salesUnits: Scalars['Int']['output'];
+  salesValue: Scalars['Decimal']['output'];
+};
+
+export type SchemaInventoryTransaction = {
+  __typename?: 'InventoryTransaction';
+  id: Scalars['ID']['output'];
+  user: SchemaUser;
+  product: SchemaProduct;
+  amount: Scalars['Int']['output'];
+  unitPrice: Scalars['Decimal']['output'];
+  comment: Scalars['String']['output'];
+  created: Scalars['DateTime']['output'];
+};
+
+export type SchemaInventoryTransactionInput = {
+  productId: Scalars['ID']['input'];
+  amount: Scalars['Int']['input'];
+  unitPrice: Scalars['Decimal']['input'];
+  comment?: Scalars['String']['input'];
+};
+
+export type SchemaInventoryTransactionOrdering =
+  { created: SchemaOrdering; };
+
 export type SchemaMutation = {
   __typename?: 'Mutation';
+  createInventoryTransaction: SchemaCreateInventoryTransactionResponse;
   createOrder: SchemaCreateOrderResponse;
   createDeposit: SchemaCreateDepositResponse;
   createUser: SchemaUser;
 };
 
 
+export type SchemaMutationCreateInventoryTransactionArgs = {
+  data: SchemaInventoryTransactionInput;
+};
+
+
 export type SchemaMutationCreateOrderArgs = {
   customerId: Scalars['ID']['input'];
   orderLines: Array<SchemaOrderLineInput>;
@@ -161,6 +216,11 @@ export type SchemaProduct = {
   imageUrl: Scalars['String']['output'];
   salePriceInt: Scalars['Decimal']['output'];
   salePriceExt: Scalars['Decimal']['output'];
+  active: Scalars['Boolean']['output'];
+  inventoryAmount: Scalars['Int']['output'];
+  updated: Scalars['DateTime']['output'];
+  wholesaleUnitPrice: Scalars['Decimal']['output'];
+  wholesaleValue: Scalars['Decimal']['output'];
   userCounts: Scalars['JSONScalar']['output'];
 };
 
@@ -182,6 +242,8 @@ export type SchemaProductOrderStat = {
 export type SchemaQuery = {
   __typename?: 'Query';
   transactionList: Array<SchemaTransaction>;
+  inventoryTransactionList: Array<SchemaInventoryTransaction>;
+  inventoryReport: SchemaInventoryReport;
   allProducts: Array<SchemaProduct>;
   allOrders: Array<SchemaOrder>;
   orderList: Array<SchemaOrder>;
@@ -198,6 +260,18 @@ export type SchemaQueryTransactionListArgs = {
 };
 
 
+export type SchemaQueryInventoryTransactionListArgs = {
+  ordering?: Array<SchemaInventoryTransactionOrdering>;
+  pagination?: InputMaybe<SchemaOffsetPaginationInput>;
+};
+
+
+export type SchemaQueryInventoryReportArgs = {
+  startTime: Scalars['DateTime']['input'];
+  endTime: Scalars['DateTime']['input'];
+};
+
+
 export type SchemaQueryAllProductsArgs = {
   filters?: InputMaybe<SchemaProductFilter>;
 };
@@ -256,6 +330,13 @@ export type SchemaUserProfile = {
   productOrderStats: Array<SchemaProductOrderStat>;
 };
 
+export type InventoryTransactionInput = {
+  productId: string | number;
+  amount: number;
+  unitPrice: string;
+  comment?: string;
+};
+
 export type OrderLineInput = {
   productId: string | number;
   amount: number;
@@ -282,6 +363,37 @@ export type CreateDepositMutation = { __typename: 'Mutation', createDeposit:
     | { __typename: 'FormErrors', error: boolean, message: string, fields: Array<{ __typename: 'FieldError', field: string, message: string }> }
    };
 
+export type CreateInventoryTransactionMutationVariables = Exact<{
+  data: InventoryTransactionInput;
+}>;
+
+
+export type CreateInventoryTransactionMutation = { __typename: 'Mutation', createInventoryTransaction:
+    | { __typename: 'CreateInventoryTransactionSuccess', inventoryTransaction: { __typename: 'InventoryTransaction', id: string, product: { __typename: 'Product', name: string, inventoryAmount: number } } }
+    | { __typename: 'FormErrors', message: string, fields: Array<{ __typename: 'FieldError', field: string, message: string }> }
+   };
+
+export type InventoryPageQueryVariables = Exact<{
+  limit?: number | null | undefined;
+  offset?: number | null | undefined;
+}>;
+
+
+export type InventoryPageQuery = { __typename: 'Query', allProducts: Array<{ __typename: 'Product', id: string, name: string, active: boolean, inventoryAmount: number, updated: string, wholesaleUnitPrice: string, wholesaleValue: string }>, inventoryTransactionList: Array<{ __typename: 'InventoryTransaction', id: string, created: string, amount: number, unitPrice: string, comment: string, product: { __typename: 'Product', name: string }, user: { __typename: 'User', firstName: string, lastName: string } }> };
+
+export type InventoryProductsQueryVariables = Exact<{ [key: string]: never; }>;
+
+
+export type InventoryProductsQuery = { __typename: 'Query', allProducts: Array<{ __typename: 'Product', id: string, name: string, inventoryAmount: number }> };
+
+export type InventoryReportQueryVariables = Exact<{
+  startTime: string;
+  endTime: string;
+}>;
+
+
+export type InventoryReportQuery = { __typename: 'Query', inventoryReport: { __typename: 'InventoryReport', inventoryPurchases: string, productSales: string, deposits: string, orderPurchases: string, balanceAtStart: string, balanceAtEnd: string, products: Array<{ __typename: 'InventoryReportProduct', productId: string, productName: string, purchaseUnits: number, purchaseValue: string, salesUnits: number, salesValue: string }> } };
+
 export type OrderListQueryVariables = Exact<{
   limit?: number | null | undefined;
   offset?: number | null | undefined;
@@ -350,6 +462,10 @@ export type UserDetailQuery = { __typename: 'Query', user: { __typename: 'User',
 
 export const CreateUserDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"mutation","name":{"kind":"Name","value":"CreateUser"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"firstName"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"String"}}}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"lastName"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"String"}}}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"email"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"String"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"createUser"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"input"},"value":{"kind":"ObjectValue","fields":[{"kind":"ObjectField","name":{"kind":"Name","value":"firstName"},"value":{"kind":"Variable","name":{"kind":"Name","value":"firstName"}}},{"kind":"ObjectField","name":{"kind":"Name","value":"lastName"},"value":{"kind":"Variable","name":{"kind":"Name","value":"lastName"}}},{"kind":"ObjectField","name":{"kind":"Name","value":"email"},"value":{"kind":"Variable","name":{"kind":"Name","value":"email"}}}]}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"firstName"}},{"kind":"Field","name":{"kind":"Name","value":"lastName"}},{"kind":"Field","name":{"kind":"Name","value":"profile"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}}]}}]}}]}}]} as unknown as DocumentNode<CreateUserMutation, CreateUserMutationVariables>;
 export const CreateDepositDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"mutation","name":{"kind":"Name","value":"CreateDeposit"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"userId"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"ID"}}}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"amount"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"Int"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"createDeposit"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"userId"},"value":{"kind":"Variable","name":{"kind":"Name","value":"userId"}}},{"kind":"Argument","name":{"kind":"Name","value":"amount"},"value":{"kind":"Variable","name":{"kind":"Name","value":"amount"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"InlineFragment","typeCondition":{"kind":"NamedType","name":{"kind":"Name","value":"CreateDepositSuccess"}},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"transaction"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"amount"}},{"kind":"Field","name":{"kind":"Name","value":"user"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"firstName"}},{"kind":"Field","name":{"kind":"Name","value":"lastName"}},{"kind":"Field","name":{"kind":"Name","value":"profile"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"balance"}}]}}]}}]}}]}},{"kind":"InlineFragment","typeCondition":{"kind":"NamedType","name":{"kind":"Name","value":"AboveMaxSaldo"}},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"error"}},{"kind":"Field","name":{"kind":"Name","value":"message"}},{"kind":"Field","name":{"kind":"Name","value":"maxSaldo"}},{"kind":"Field","name":{"kind":"Name","value":"above"}}]}},{"kind":"InlineFragment","typeCondition":{"kind":"NamedType","name":{"kind":"Name","value":"FormErrors"}},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"error"}},{"kind":"Field","name":{"kind":"Name","value":"message"}},{"kind":"Field","name":{"kind":"Name","value":"fields"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"field"}},{"kind":"Field","name":{"kind":"Name","value":"message"}}]}}]}}]}}]}}]} as unknown as DocumentNode<CreateDepositMutation, CreateDepositMutationVariables>;
+export const CreateInventoryTransactionDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"mutation","name":{"kind":"Name","value":"createInventoryTransaction"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"data"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"InventoryTransactionInput"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"createInventoryTransaction"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"data"},"value":{"kind":"Variable","name":{"kind":"Name","value":"data"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"InlineFragment","typeCondition":{"kind":"NamedType","name":{"kind":"Name","value":"CreateInventoryTransactionSuccess"}},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"inventoryTransaction"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"product"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"Field","name":{"kind":"Name","value":"inventoryAmount"}}]}}]}}]}},{"kind":"InlineFragment","typeCondition":{"kind":"NamedType","name":{"kind":"Name","value":"FormErrors"}},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"message"}},{"kind":"Field","name":{"kind":"Name","value":"fields"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"field"}},{"kind":"Field","name":{"kind":"Name","value":"message"}}]}}]}}]}}]}}]} as unknown as DocumentNode<CreateInventoryTransactionMutation, CreateInventoryTransactionMutationVariables>;
+export const InventoryPageDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"inventoryPage"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"limit"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"Int"}},"defaultValue":{"kind":"IntValue","value":"20"}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"offset"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"Int"}},"defaultValue":{"kind":"IntValue","value":"0"}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"allProducts"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"Field","name":{"kind":"Name","value":"active"}},{"kind":"Field","name":{"kind":"Name","value":"inventoryAmount"}},{"kind":"Field","name":{"kind":"Name","value":"updated"}},{"kind":"Field","name":{"kind":"Name","value":"wholesaleUnitPrice"}},{"kind":"Field","name":{"kind":"Name","value":"wholesaleValue"}}]}},{"kind":"Field","name":{"kind":"Name","value":"inventoryTransactionList"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"ordering"},"value":{"kind":"ListValue","values":[{"kind":"ObjectValue","fields":[{"kind":"ObjectField","name":{"kind":"Name","value":"created"},"value":{"kind":"EnumValue","value":"DESC"}}]}]}},{"kind":"Argument","name":{"kind":"Name","value":"pagination"},"value":{"kind":"ObjectValue","fields":[{"kind":"ObjectField","name":{"kind":"Name","value":"limit"},"value":{"kind":"Variable","name":{"kind":"Name","value":"limit"}}},{"kind":"ObjectField","name":{"kind":"Name","value":"offset"},"value":{"kind":"Variable","name":{"kind":"Name","value":"offset"}}}]}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"created"}},{"kind":"Field","name":{"kind":"Name","value":"amount"}},{"kind":"Field","name":{"kind":"Name","value":"unitPrice"}},{"kind":"Field","name":{"kind":"Name","value":"comment"}},{"kind":"Field","name":{"kind":"Name","value":"product"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"name"}}]}},{"kind":"Field","name":{"kind":"Name","value":"user"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"firstName"}},{"kind":"Field","name":{"kind":"Name","value":"lastName"}}]}}]}}]}}]} as unknown as DocumentNode<InventoryPageQuery, InventoryPageQueryVariables>;
+export const InventoryProductsDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"inventoryProducts"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"allProducts"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"filters"},"value":{"kind":"ObjectValue","fields":[{"kind":"ObjectField","name":{"kind":"Name","value":"active"},"value":{"kind":"BooleanValue","value":true}}]}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"Field","name":{"kind":"Name","value":"inventoryAmount"}}]}}]}}]} as unknown as DocumentNode<InventoryProductsQuery, InventoryProductsQueryVariables>;
+export const InventoryReportDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"inventoryReport"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"startTime"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"DateTime"}}}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"endTime"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"DateTime"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"inventoryReport"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"startTime"},"value":{"kind":"Variable","name":{"kind":"Name","value":"startTime"}}},{"kind":"Argument","name":{"kind":"Name","value":"endTime"},"value":{"kind":"Variable","name":{"kind":"Name","value":"endTime"}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"products"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"productId"}},{"kind":"Field","name":{"kind":"Name","value":"productName"}},{"kind":"Field","name":{"kind":"Name","value":"purchaseUnits"}},{"kind":"Field","name":{"kind":"Name","value":"purchaseValue"}},{"kind":"Field","name":{"kind":"Name","value":"salesUnits"}},{"kind":"Field","name":{"kind":"Name","value":"salesValue"}}]}},{"kind":"Field","name":{"kind":"Name","value":"inventoryPurchases"}},{"kind":"Field","name":{"kind":"Name","value":"productSales"}},{"kind":"Field","name":{"kind":"Name","value":"deposits"}},{"kind":"Field","name":{"kind":"Name","value":"orderPurchases"}},{"kind":"Field","name":{"kind":"Name","value":"balanceAtStart"}},{"kind":"Field","name":{"kind":"Name","value":"balanceAtEnd"}}]}}]}}]} as unknown as DocumentNode<InventoryReportQuery, InventoryReportQueryVariables>;
 export const OrderListDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"orderList"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"limit"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"Int"}},"defaultValue":{"kind":"IntValue","value":"10"}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"offset"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"Int"}},"defaultValue":{"kind":"IntValue","value":"0"}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"orderList"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"ordering"},"value":{"kind":"ListValue","values":[{"kind":"ObjectValue","fields":[{"kind":"ObjectField","name":{"kind":"Name","value":"created"},"value":{"kind":"EnumValue","value":"DESC"}}]}]}},{"kind":"Argument","name":{"kind":"Name","value":"pagination"},"value":{"kind":"ObjectValue","fields":[{"kind":"ObjectField","name":{"kind":"Name","value":"limit"},"value":{"kind":"Variable","name":{"kind":"Name","value":"limit"}}},{"kind":"ObjectField","name":{"kind":"Name","value":"offset"},"value":{"kind":"Variable","name":{"kind":"Name","value":"offset"}}}]}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"isExternal"}},{"kind":"Field","name":{"kind":"Name","value":"created"}},{"kind":"Field","name":{"kind":"Name","value":"orderSum"}},{"kind":"Field","name":{"kind":"Name","value":"customer"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"firstName"}},{"kind":"Field","name":{"kind":"Name","value":"lastName"}},{"kind":"Field","name":{"kind":"Name","value":"profile"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"balance"}}]}}]}},{"kind":"Field","name":{"kind":"Name","value":"orderlines"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"amount"}},{"kind":"Field","name":{"kind":"Name","value":"unitPrice"}},{"kind":"Field","name":{"kind":"Name","value":"product"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"Field","name":{"kind":"Name","value":"salePriceExt"}},{"kind":"Field","name":{"kind":"Name","value":"salePriceInt"}}]}}]}}]}}]}}]} as unknown as DocumentNode<OrderListQuery, OrderListQueryVariables>;
 export const TransactionListDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"transactionList"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"limit"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"Int"}},"defaultValue":{"kind":"IntValue","value":"10"}},{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"offset"}},"type":{"kind":"NamedType","name":{"kind":"Name","value":"Int"}},"defaultValue":{"kind":"IntValue","value":"0"}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"transactionList"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"ordering"},"value":{"kind":"ListValue","values":[{"kind":"ObjectValue","fields":[{"kind":"ObjectField","name":{"kind":"Name","value":"created"},"value":{"kind":"EnumValue","value":"DESC"}}]}]}},{"kind":"Argument","name":{"kind":"Name","value":"pagination"},"value":{"kind":"ObjectValue","fields":[{"kind":"ObjectField","name":{"kind":"Name","value":"limit"},"value":{"kind":"Variable","name":{"kind":"Name","value":"limit"}}},{"kind":"ObjectField","name":{"kind":"Name","value":"offset"},"value":{"kind":"Variable","name":{"kind":"Name","value":"offset"}}}]}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"created"}},{"kind":"Field","name":{"kind":"Name","value":"amount"}},{"kind":"Field","name":{"kind":"Name","value":"user"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"firstName"}},{"kind":"Field","name":{"kind":"Name","value":"lastName"}},{"kind":"Field","name":{"kind":"Name","value":"profile"},"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"balance"}}]}}]}}]}}]}}]} as unknown as DocumentNode<TransactionListQuery, TransactionListQueryVariables>;
 export const AllProductsDocument = {"kind":"Document","definitions":[{"kind":"OperationDefinition","operation":"query","name":{"kind":"Name","value":"allProducts"},"variableDefinitions":[{"kind":"VariableDefinition","variable":{"kind":"Variable","name":{"kind":"Name","value":"active"}},"type":{"kind":"NonNullType","type":{"kind":"NamedType","name":{"kind":"Name","value":"Boolean"}}}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"allProducts"},"arguments":[{"kind":"Argument","name":{"kind":"Name","value":"filters"},"value":{"kind":"ObjectValue","fields":[{"kind":"ObjectField","name":{"kind":"Name","value":"active"},"value":{"kind":"Variable","name":{"kind":"Name","value":"active"}}}]}}],"selectionSet":{"kind":"SelectionSet","selections":[{"kind":"Field","name":{"kind":"Name","value":"id"}},{"kind":"Field","name":{"kind":"Name","value":"name"}},{"kind":"Field","name":{"kind":"Name","value":"imageUrl"}},{"kind":"Field","name":{"kind":"Name","value":"salePriceExt"}},{"kind":"Field","name":{"kind":"Name","value":"salePriceInt"}}]}}]}}]} as unknown as DocumentNode<AllProductsQuery, AllProductsQueryVariables>;

frontend/vite.config.js

@@ -12,7 +12,7 @@ export default defineConfig({
   server: {
     host: "127.0.0.1",
     proxy: Object.fromEntries(
-      ["/admin", "/accounts", "/inventory", "/report", "/static", "/media", "/graphql"].map(
+      ["/admin", "/accounts", "/static", "/media", "/graphql"].map(
         (path) => [path, process.env.VITE_DEV_API_PROXY || "http://127.0.0.1:3000"],
       ),
     ),

schema.graphql

@@ -13,6 +13,12 @@ type CreateDepositSuccess {
   transaction: Transaction!
 }
 
+union CreateInventoryTransactionResponse = CreateInventoryTransactionSuccess | FormErrors
+
+type CreateInventoryTransactionSuccess {
+  inventoryTransaction: InventoryTransaction!
+}
+
 union CreateOrderResponse = CreateOrderSuccess | InsufficientFunds | FormErrors
 
 type CreateOrderSuccess {
@@ -48,12 +54,53 @@ type InsufficientFunds implements Error {
   amountLacking: Float!
 }
 
+type InventoryReport {
+  products: [InventoryReportProduct!]!
+  inventoryPurchases: Decimal!
+  productSales: Decimal!
+  deposits: Decimal!
+  orderPurchases: Decimal!
+  balanceAtStart: Decimal!
+  balanceAtEnd: Decimal!
+}
+
+type InventoryReportProduct {
+  productId: ID!
+  productName: String!
+  purchaseUnits: Int!
+  purchaseValue: Decimal!
+  salesUnits: Int!
+  salesValue: Decimal!
+}
+
+type InventoryTransaction {
+  id: ID!
+  user: User!
+  product: Product!
+  amount: Int!
+  unitPrice: Decimal!
+  comment: String!
+  created: DateTime!
+}
+
+input InventoryTransactionInput {
+  productId: ID!
+  amount: Int!
+  unitPrice: Decimal!
+  comment: String! = ""
+}
+
+input InventoryTransactionOrdering @oneOf {
+  created: Ordering
+}
+
 """
 The GenericScalar scalar type represents a generic GraphQL scalar value that could be: List or Object.
 """
 scalar JSONScalar
 
 type Mutation {
+  createInventoryTransaction(data: InventoryTransactionInput!): CreateInventoryTransactionResponse!
   createOrder(customerId: ID!, orderLines: [OrderLineInput!]!, isExternal: Boolean! = false): CreateOrderResponse!
   createDeposit(userId: ID!, amount: Int!): CreateDepositResponse!
   createUser(input: UserInput!): User!
@@ -122,6 +169,11 @@ type Product {
   imageUrl: String!
   salePriceInt: Decimal!
   salePriceExt: Decimal!
+  active: Boolean!
+  inventoryAmount: Int!
+  updated: DateTime!
+  wholesaleUnitPrice: Decimal!
+  wholesaleValue: Decimal!
   userCounts: JSONScalar!
 }
 
@@ -141,6 +193,8 @@ type ProductOrderStat {
 
 type Query {
   transactionList(ordering: [TransactionOrdering!]! = [], pagination: OffsetPaginationInput): [Transaction!]!
+  inventoryTransactionList(ordering: [InventoryTransactionOrdering!]! = [], pagination: OffsetPaginationInput): [InventoryTransaction!]!
+  inventoryReport(startTime: DateTime!, endTime: DateTime!): InventoryReport!
   allProducts(filters: ProductFilter): [Product!]!
   allOrders: [Order!]!
   orderList(ordering: [OrderOrdering!]! = [], pagination: OffsetPaginationInput): [Order!]!