fix updating sectionGroup seats

Author: jaroldwong

app/course/directives/courseTable.js

@@ -511,6 +511,9 @@ let courseTable = function ($rootScope, $timeout, CourseActionCreators, $compile
         var sectionGroup = _.findWhere(scope.view.state.sectionGroups.list, { courseId: courseId, termCode: termCode }); // eslint-disable-line no-undef
         var plannedSeats = $el.val() === "" ? null : parseInt($el.val());
 
+        const course = scope.view.state.courses.list[courseId];
+        const isNumericSection = isNumber(course.sequencePattern);
+
         if (isNaN(plannedSeats)) { return; }
 
         if (sectionGroup) {
@@ -525,8 +528,10 @@ let courseTable = function ($rootScope, $timeout, CourseActionCreators, $compile
 
           // Save existing sectionGroup
           sectionGroup.plannedSeats = plannedSeats;
-          if (plannedSeats >= proposedSectionSeatTotal) {
-            CourseActionCreators.updateSectionGroup(sectionGroup);
+          if (!isNumericSection) {
+            if (plannedSeats >= proposedSectionSeatTotal) {
+              CourseActionCreators.updateSectionGroup(sectionGroup);
+            }
 
             // Check if any overflowed sections can be updated.  If yes, update them.
             if (currentSectionSeatTotal !== proposedSectionSeatTotal) {
@@ -535,10 +540,11 @@ let courseTable = function ($rootScope, $timeout, CourseActionCreators, $compile
           }
 
           // If sequence is numeric sync the seats on the section to the new sectionGroup value
-          if (sectionGroup.sections.length === 1 && isNumber(sectionGroup.sections[0].sequenceNumber)) {
+          if (isNumericSection && sectionGroup.sections.length === 1) {
             let section = scope.view.state.sections.list[sectionGroup.sections[0].id];
             section.seats = sectionGroup.plannedSeats;
             CourseActionCreators.updateSection(section);
+            CourseActionCreators.updateSectionGroup(sectionGroup);
           }
         } else if (plannedSeats) {
           // Create a new sectionGroup

app/course/directives/sectionGroupDetails/sectionGroupDetails.js

@@ -75,6 +75,8 @@ let sectionGroupDetails = function (CourseActionCreators, Term) {
           return Number(proposedSectionSeats !== originalSectionSeats) + acc;
         }, 0);
 
+        if (outOfSyncSections === 0) { return; } // prevent extra update on input blur
+
         // sync with sectionGroup if single numeric section
         if (proposedSections.length === 1 && isNumber(section.sequenceNumber)) {
           sectionGroup.plannedSeats = section.seats;

app/course/services/courseStateService.js

@@ -298,6 +298,7 @@ class CourseStateService {
             return sectionGroups;
           case ActionTypes.UPDATE_SECTION:
             var sectionGroup = sectionGroups.selectedSectionGroup || sectionGroups.list[action.payload.section.sectionGroupId];
+            sectionGroup.sections = sectionGroup.sections.map(slotSection => slotSection.id === action.payload.section.id ? action.payload.section : slotSection);
             sectionGroup.requiresAttention = action.payload.requiresAttention;
             return sectionGroups;
           case ActionTypes.REMOVE_SECTION: