biblical-guide.com/payload/collections/CheckoutSessions.ts

import { CollectionConfig } from 'payload';

export const CheckoutSessions: CollectionConfig = {
  slug: 'checkout-sessions',
  admin: {
    useAsTitle: 'sessionId',
    defaultColumns: ['sessionId', 'user', 'type', 'status', 'createdAt'],
    group: 'E-Commerce',
    pagination: {
      defaultLimit: 100,
    },
  },
  fields: [
    {
      name: 'sessionId',
      type: 'text',
      unique: true,
      required: true,
      index: true,
      admin: {
        readOnly: true,
      },
    },
    {
      name: 'user',
      type: 'relationship',
      relationTo: 'users',
      required: true,
      index: true,
    },
    {
      name: 'price',
      type: 'relationship',
      relationTo: 'prices',
    },
    {
      name: 'type',
      type: 'select',
      options: [
        { label: 'Subscription', value: 'subscription' },
        { label: 'Donation', value: 'donation' },
        { label: 'One-time Purchase', value: 'one-time' },
      ],
      required: true,
      index: true,
    },
    {
      name: 'status',
      type: 'select',
      options: [
        { label: 'Pending', value: 'pending' },
        { label: 'Completed', value: 'completed' },
        { label: 'Expired', value: 'expired' },
        { label: 'Failed', value: 'failed' },
      ],
      defaultValue: 'pending',
      required: true,
      index: true,
    },
    {
      name: 'metadata',
      type: 'json',
    },
  ],
  access: {
    read: ({ req }) => {
      if (!req.user) {
        return false;
      }

      if (req.user.role === 'admin' || req.user.role === 'super-admin') {
        return true;
      }

      return {
        user: {
          equals: req.user.id,
        },
      };
    },
    create: ({ req }) => req.user?.role === 'admin' || req.user?.role === 'super-admin',
    update: ({ req }) => req.user?.role === 'admin' || req.user?.role === 'super-admin',
    delete: ({ req }) => req.user?.role === 'super-admin',
  },
};