Merge branch 'fix/issue-170' into fix/issue-111

projects/abtesting/src/app/features/dashboard/home/components/experiment-design/experiment-design.component.html

@@ -59,6 +59,7 @@
                   | translate
               "
               formControlName="assignmentWeight"
+
             />
           </mat-form-field>
         </mat-cell>
@@ -127,7 +128,18 @@
       + {{ 'home.new-experiment.design.add-condition.text' | translate }}
     </button>
   </ng-container>
-
+  <!-- applyEqualWeight -->
+  <mat-card class="result">
+    <mat-card-content>
+      <section class="example-section">
+        <mat-checkbox
+            class="example-margin"
+            (change)="applyEqualWeight($event)">
+            Equal Weight Assignment
+        </mat-checkbox>
+      </section>
+    </mat-card-content>
+  </mat-card>
   <!-- Partition Table -->
   <ng-container>
     <mat-table

projects/abtesting/src/app/features/dashboard/home/components/experiment-design/experiment-design.component.ts

@@ -244,6 +244,24 @@ export class ExperimentDesignComponent implements OnInit, OnChanges, OnDestroy {
     return partition;
   }
 
+  applyEqualWeight(event){
+    console.log(event.checked);
+    const conditions = this.experimentDesignForm.get('conditions') as FormArray;
+
+    if(event.checked){ 
+      const len = conditions.controls.length;
+      conditions.controls.forEach( control => {
+        control.get('assignmentWeight').setValue((100.0/len).toFixed(2));
+      });
+    }
+    else {
+      conditions.controls.forEach( control => {
+      control.get('assignmentWeight').setValue(0);
+      });
+    }
+
+  }
+
 
   get condition(): FormArray {
     return this.experimentDesignForm.get('conditions') as FormArray;

projects/abtesting/src/app/features/dashboard/home/validators/experiment-form.validators.ts

@@ -12,9 +12,9 @@ export class ExperimentFormValidators {
     if (conditions.length < 2) {
       return { conditionCountError: true };
     } else if (conditions.length >= 2) {
-      let sumOfAssignmentWeights = 0;
-      conditions.forEach(condition => (sumOfAssignmentWeights += parseInt(condition.assignmentWeight, 10)));
-      return sumOfAssignmentWeights !== 100 ? { assignmentWightsSumError: true } : null;
+      let sumOfAssignmentWeights = 0.0;
+      conditions.forEach(condition => (sumOfAssignmentWeights += parseFloat(condition.assignmentWeight)));
+      return Math.ceil(sumOfAssignmentWeights) !== 100.0 ? { assignmentWightsSumError: true } : null;
     }
     if (partitions.length < 1) {
       return { partitionCountError: true };