feat: assign by course run implementation

src/components/learner-credit-management/data/utils.js

@@ -574,7 +574,7 @@
 
 export const hasTimeToComplete = ({ end, weeksToComplete }) => {
   if (!weeksToComplete || !end) {
     return true;
   }
   const today = dayjs();
   const differenceInWeeks = dayjs(end).diff(today, 'week');
@@ -606,7 +606,7 @@
   if (isCourseSelfPaced({ pacingType })) {
     if (hasTimeToComplete({ end, weeksToComplete }) || isWithinMinimumStartDateThreshold({ start })) {
       // always today's date (incentives enrollment)
       return todayToIso;
     }
   }
   return startDateIso;
@@ -614,11 +614,11 @@
 
 export const getNormalizedEnrollByDate = (enrollBy) => {
   if (!enrollBy) {
     return null;
   }
   const ninetyDaysFromNow = dayjs().add(DAYS_UNTIL_ASSIGNMENT_ALLOCATION_EXPIRATION, 'days');
   if (dayjs(enrollBy).isAfter(ninetyDaysFromNow)) {
     return ninetyDaysFromNow.toISOString();
   }
   return enrollBy;
 };
@@ -628,15 +628,20 @@
  *  - If hasEnrollBy, we return assignments with enroll before the soonest of the two date: The subsidy expiration
  *    date - refund threshold OR today offset by the 90-day allocation threshold for an assignment denoted as
  *    isEligibleForEnrollment
- *  - If isLateRedemptionEnabled, we consider only the isLateEnrollmentEligible field returned by Algolia for
+ *  - If isLateRedemptionAllowed, we consider only the isLateEnrollmentEligible field returned by Algolia for
  *    each run.
  *
  *  Based on the above criteria, if isLateRedemptionAllowed is false, filter on if the course run isActive AND
  *  isEligibleForEnrollment
  *
- *  We transform the assignedCourseRuns data to normalize the start and enrollby dates based on the functions
+ *  The main purpose of the filter is to ensure that course runs for a
+ *  course are within the enterprises LC subsidy duration
+ *  The inclusion of the increased sensitivity reduces the chance of a specific run
+ *  (which may be allocated but not accepted) falling outside the date range of the subsidy expiration date.
  *
- *  Furthermore, we return assignable course runs sorted by the enrollBy date (soonest to latest). If the enrollby dates
+ *  We transform the assignedCourseRuns data to normalize the start and enrollBy dates based on the functions
+ *
+ *  Furthermore, we return assignable course runs sorted by the enrollBy date (soonest to latest). If the enrollBy dates
  *  are equivalent, sort by the start date.
  *
  * @param courseRuns
@@ -662,8 +667,8 @@
     }
     // Late redemption filter
     if (isDateBeforeToday(enrollBy) && isLateRedemptionAllowed) {
       const lateEnrollmentCutoff = dayjs().subtract(LATE_ENROLLMENTS_BUFFER_DAYS, 'days');
       isEligibleForEnrollment = dayjs(enrollBy).isAfter(lateEnrollmentCutoff);
       return isLateEnrollmentEligible && isEligibleForEnrollment;
     }
     // General courseware filter
@@ -672,7 +677,7 @@
   // Main function that transforms the cloned course runs to the normalizedStart and normalizedEnrollBy dates
   const assignableCourseRuns = clonedCourseRuns.filter(assignableCourseRunsFilter).map(courseRun => {
     if (!courseRun.hasEnrollBy) {
       return {
         ...courseRun,
         start: getNormalizedStartDate(courseRun),
         enrollBy: getNormalizedEnrollByDate(
@@ -687,12 +692,12 @@
       enrollBy: getNormalizedEnrollByDate(courseRun.enrollBy),
     };
   });
-  // Sorts by the enrollBy date. If enrollby is equivalent, sort by start.
+  // Sorts by the enrollBy date. If enrollBy is equivalent, sort by start.
   const sortedAssignableCourseRuns = assignableCourseRuns.sort((a, b) => {
     if (a.enrollBy === b.enrollBy) {
       return dayjs(a.start).unix() - dayjs(b.start).unix();
     }
     return a.enrollBy - b.enrollBy;
   });
   return sortedAssignableCourseRuns;
 };