Add collections & access functions from paystro

src/app/(payload)/collections/Users.ts

@@ -0,0 +1,40 @@
+import { CollectionConfig } from 'payload/types'
+import { isAdmin, isAdminOrSelf } from '@payload/access/isAdmin'
+
+const Users: CollectionConfig = {
+  slug: 'users',
+  auth: true,
+  admin: {
+    defaultColumns: ['roles', 'email'],
+    useAsTitle: 'email',
+  },
+  access: {
+    create: isAdmin,
+    read: isAdminOrSelf,
+    update: isAdminOrSelf,
+    delete: isAdmin,
+  },
+  fields: [
+    {
+      name: 'roles',
+      type: 'select',
+      options: [
+        { label: 'Admin', value: 'admin' }, //CRUD, role creation
+        { label: 'Editor', value: 'editor' }, //CRUD
+        { label: 'User', value: 'user' }, //cRud, CRUD own entries
+      ],
+      required: true,
+      defaultValue: 'user',
+      // JWT so that role is accessible from 'req.user'
+      saveToJWT: true,
+      hasMany: true,
+      access: {
+        create: isAdmin,
+        read: () => true,
+        update: isAdmin,
+      },
+    },
+  ],
+}
+
+export default Users