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exports.up = function(r, conn) {
// get all recurring payments
return r
.table('recurringPayments')
.run(conn)
.then(cursor => cursor.toArray())
.then(subscriptions => {
// for each subscription record, map it and create a new object with a cleaner data model
return subscriptions.map(subscription => {
if (!subscription.stripeData) return subscription;
return Object.assign(
{},
{
id: subscription.id,
// userId is used to keep track of who is making payments for any subscription it is also queries against to determine if a user isPro
userId: subscription.userId,
// communityId is queried against to determine if a community isPro
communityId: subscription.communityId,
customerId: subscription.stripeData.customer,
subscriptionId: subscription.stripeData.id,
// planId and planName will determine if the user is paying for a Pro user account or for an upgraded community
planId: subscription.stripeData.plan.id,
planName: subscription.stripeData.plan.name,
amount: subscription.stripeData.plan.amount,
// rather than having multiple plans on Stripe for every possible tier of upgraded community, we can instead just stack quantities - so an upgraded community with 9k members would have a single 'pro community' record with 9 quantity that determines how much they will be billed every month
// when rendering subscriptions in the client, the quantity should be multiplied by the amount to determine the total cost of the subscription
quantity: subscription.stripeData.quantity,
// will be used to determine the current state of an isPro query against a user or community. When a community or user gets downgraded this field will switch from 'active' to 'canceled'
status: subscription.stripeData.status,
// the following field dates will be used for client side rendering - we will need to implement webhooks to keep the currentPeriodStart and currentPeriodEnd timestamps up to date
currentPeriodStart: subscription.stripeData.current_period_start,
currentPeriodEnd: subscription.stripeData.current_period_end,
createdAt: subscription.stripeData.plan.created,
}
);
});
})
.then(cleanSubscriptions => {
return Promise.all([
cleanSubscriptions,
// delete all the old records in recurringPayments table
r
.table('recurringPayments')
.delete()
.run(conn),
// also create a new index against communityId for faster isPro lookups on communities
r
.table('recurringPayments')
.indexCreate('communityId')
.run(conn),
]);
})
.then(([cleanSubscriptions]) => {
// insert each new clean record into the table
return cleanSubscriptions.map(subscription => {
return r
.table('recurringPayments')
.insert({ ...subscription })
.run(conn);
});
});
};
exports.down = function(r, conn) {
return Promise.resolve();
};
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