update review timing

server/src/services/review.service.js

@@ -57,7 +57,7 @@ export const processReview = async (user, subjectId, success) => {
 		item.nextReview = getSRSDate(nextLevel);
 	} else {
 		item.srsLevel = Math.max(1, item.srsLevel - 1);
-		item.nextReview = Date.now();
+		item.nextReview = getSRSDate(item.srsLevel);
 	}
 
 	await item.save();

server/src/utils/dateUtils.js

@@ -17,9 +17,9 @@ export const getSRSDate = (level) => {
 		case 5: hoursToAdd = 7 * 24; break;
 		case 6: hoursToAdd = 14 * 24; break;
 
-		case 7: hoursToAdd = 7 * 24; break;
+		case 7: hoursToAdd = 30 * 24; break;
-		case 8: hoursToAdd = 30 * 24; break;
+		case 8: hoursToAdd = 90 * 24; break;
-		case 9: hoursToAdd = 90 * 24; break;
+		case 9: hoursToAdd = 180 * 24; break;
 
 		case 10: break;
 		default: hoursToAdd = 4;