feat(item search): added default selection for grades

Author: tnoelcke

src/GradeLevels/GradeLevels.ts

@@ -25,6 +25,8 @@ export class GradeLevel {
     switch (grade) {
       case GradeLevels.NA:
         return "NA";
+      case GradeLevels.All:
+        return "All Grades";
       case GradeLevels.Grade3:
         return "Grade 3";
       case GradeLevels.Grade4:
@@ -103,7 +105,9 @@ export class GradeLevel {
   }
 
   public static stringToGradeLevel(gradeString: string): GradeLevels {
-    return parseInt(gradeString, 10) || GradeLevels.NA;
+    return gradeString === "All"
+      ? GradeLevels.All
+      : parseInt(gradeString, 10) || GradeLevels.NA;
   }
 
   public static gradeLevelAdd(grade: GradeLevels, gradeString: string) {

src/ItemSearch/ItemSearch.ts

@@ -277,10 +277,18 @@ export class ItemSearch {
         );
         break;
       case FilterType.Grade:
+        let grade: GradeLevels;
+        if (defaultOptionKeys !== undefined) {
+          grade = GradeLevel.stringToGradeLevel(defaultOptionKeys[0]);
+        } else {
+          grade = GradeLevels.NA;
+        }
         options = this.searchOptionToFilterGrade(
           filter.filterOptions,
           filter.code,
-          searchApi.gradeLevels
+          (searchApi.gradeLevels = !GradeLevels.NA
+            ? searchApi.gradeLevels
+            : grade)
         );
         break;
       case FilterType.Target: