Function determinePartnerReward

apps/web/lib/partners/determine-partner-reward.ts:36–106

({
  event,
  programEnrollment,
  context,
}: {
  event: EventType;
  programEnrollment: ProgramEnrollmentWithReward;
  context?: RewardContext; // additional reward context (e.g. customer.country, sale.productId, etc.)
})

}

export const determinePartnerReward = ({
  event,
  programEnrollment,
  context,
}: {
  event: EventType;
  programEnrollment: ProgramEnrollmentWithReward;
  context?: RewardContext; // additional reward context (e.g. customer.country, sale.productId, etc.)
}) => {
  let partnerReward: Reward =
    programEnrollment[REWARD_EVENT_COLUMN_MAPPING[event]];

  if (!partnerReward) {
    return null;
  }

  // Add the links metrics to the context
  const partnerLinksStats = aggregatePartnerLinksStats(programEnrollment.links);

  context = {
    ...context,
    partner: {
      ...context?.partner,
      ...partnerLinksStats,
      totalCommissions: toCentsNumber(programEnrollment.totalCommissions),
      country: programEnrollment.partner?.country,
    },
  };

  if (partnerReward.modifiers && context) {
    const modifiers = rewardConditionsArraySchema.safeParse(
      partnerReward.modifiers,
    );

    // Parse the conditions before evaluating them
    if (modifiers.success) {
      const matchedCondition = evaluateRewardConditions({
        conditions: modifiers.data,
        context,
      });

      if (matchedCondition) {
        partnerReward = {
          ...partnerReward,
          // Override the reward amount, type and max duration with the matched condition
          type: matchedCondition.type || partnerReward.type,
          amountInCents:
            matchedCondition.amountInCents != null
              ? matchedCondition.amountInCents
              : null,
          amountInPercentage:
            matchedCondition.amountInPercentage != null
              ? new Prisma.Decimal(matchedCondition.amountInPercentage)
              : null,
          maxDuration:
            matchedCondition.maxDuration !== undefined
              ? matchedCondition.maxDuration
              : partnerReward.maxDuration,