ROENROLL-1399

src/app/degree-planner/services/api.service.ts

@@ -266,6 +266,23 @@ export class DegreePlannerApiService {
     );
   }
 
+  public getUserPreferences(): Observable<{ [key: string]: any }> {
+    return this.http.get(
+      `${environment.apiPlannerUrl}/preferences`,
+      HTTP_OPTIONS,
+    );
+  }
+
+  public updateUserPreferences(payload: {
+    [key: string]: any;
+  }): Observable<{ [key: string]: any }> {
+    return this.http.post(
+      `${environment.apiPlannerUrl}/preferences`,
+      payload,
+      HTTP_OPTIONS,
+    );
+  }
+
   /**
    * Helper function for building API endpoint URLs
    */

src/app/degree-planner/store/effects/plan.effects.ts

@@ -76,13 +76,25 @@ export class DegreePlanEffects {
         subjects: this.api.getAllSubjects(),
         subjectDescriptions: this.api.getAllSubjectDescriptions(),
         activeTermCodes,
+        userPreferences: this.api.getUserPreferences(),
       });
     }),
     // Load data specific to the primary degree plan.
     flatMap(
-      ({ allDegreePlans, subjects, subjectDescriptions, activeTermCodes }) => {
+      ({
+        allDegreePlans,
+        subjects,
+        subjectDescriptions,
+        activeTermCodes,
+        userPreferences,
+      }) => {
         const savedForLaterCourses = this.loadSavedForLaterCourses(subjects);
-        const visibleDegreePlan = pickPrimaryDegreePlan(allDegreePlans);
+        const visibleDegreePlan = userPreferences.degreePlannerSelectedPlan
+          ? pickDegreePlanById(
+              userPreferences.degreePlannerSelectedPlan,
+              allDegreePlans,
+            )
+          : pickPrimaryDegreePlan(allDegreePlans);
         const visibleYears = loadPlanYears(
           this.api,
           visibleDegreePlan.roadmapId,
@@ -166,6 +178,9 @@ export class DegreePlanEffects {
       const touchedPlan = state.payload.visibleDegreePlan.name;
       const message = `Switched to ${touchedPlan}`;
       this.snackBar.open(message, undefined, {});
+
+      // Get the users current preferences and update the selected roadmapId
+      this.updateSelectedPlan(state.payload.visibleDegreePlan.roadmapId);
     }),
     catchError(error => {
       return of(
@@ -261,6 +276,7 @@ export class DegreePlanEffects {
           });
         }),
         map(({ newPlan, newYears }) => {
+          this.updateSelectedPlan(newPlan.roadmapId);
           return new CreatePlanSuccess({ newPlan, newYears });
         }),
         tap(() => {
@@ -312,6 +328,23 @@ export class DegreePlanEffects {
       }),
     );
   }
+
+  private updateSelectedPlan(roadmapId: number) {
+    // Get the users current preferences and update the selected roadmapId
+
+    this.api
+      .getUserPreferences()
+      .toPromise()
+      .then(prefs => {
+        this.api
+          .updateUserPreferences({
+            ...prefs,
+            degreePlannerSelectedPlan: roadmapId,
+          })
+          .toPromise();
+        // We have to .toPromise this to actually fire the API call
+      });
+  }
 }
 
 type SimpleMap = { [name: string]: any };
@@ -461,3 +494,11 @@ const pickPrimaryDegreePlan = (plans: DegreePlan[]): DegreePlan => {
   const primary = plans.find(plan => plan.primary);
   return primary ? primary : plans[0];
 };
+
+const pickDegreePlanById = (
+  roadmapId: number,
+  plans: DegreePlan[],
+): DegreePlan => {
+  const plan = plans.find(plan => plan.roadmapId === roadmapId);
+  return plan ? plan : plans[0];
+};