Add single-order query

src/resolvers.js

@@ -468,6 +468,30 @@ export const resolvers = {
         orderBy: { name: 'asc' },
       }),
 
+    order: async (_, { id }, context) => {
+      const user = requireUser(context);
+      const order = await context.prisma.order.findUnique({
+        where: { id },
+        include: {
+          items: true,
+          history: { orderBy: { createdAt: 'desc' } },
+        },
+      });
+
+      if (!order) {
+        return null;
+      }
+
+      if (isManagerRole(user.role)) {
+        if (!await canManagerAccessUser(context.prisma, user, order.customerId)) {
+          return null;
+        }
+        return order;
+      }
+
+      return order.customerId === user.id ? order : null;
+    },
+
     myOrders: (_, __, context) => {
       const user = requireUser(context);
       return context.prisma.order.findMany({

src/schema.graphql

@@ -334,6 +334,7 @@ type Query {
   myNotificationHistory(channel: MessengerType!, limit: Int = 50): [NotificationHistoryItem!]!
   managerNotificationHistory(userId: ID!, channel: MessengerType!, limit: Int = 50): [NotificationHistoryItem!]!
   clientProducts: [Product!]!
+  order(id: ID!): Order
   myOrders: [Order!]!
   myCurrentOrders: [Order!]!
   managerUsers: [ManagerUser!]!