storage.js

web/js/storage.js

@@ -0,0 +1,72 @@
+var Storage = (function Storage(){
+
+	var publicAPI, ls;
+
+	ls = localStorage;
+
+	publicAPI = {
+		updateBestScore: updateBestScore
+	};
+
+	return publicAPI;
+
+	function getDifficultyString(difficulty) {
+		switch (difficulty) {
+			case 0:
+				return "easy";
+				break;
+			case 1:
+				return "medium";
+				break;
+			case 2:
+				return "hard";
+				break;
+			default:
+				return null;
+		}
+	}
+	function updateBestScore(difficulty, score) {
+		if(typeof ls === "undefined") {
+			return score;
+		}
+		var maxScore = score;
+		var getDifficulty = getDifficultyString(difficulty);
+		var storeData = {
+			version: Debug.BUILD_VERSION,
+			easy: {
+				score: 0
+			},
+			medium: {
+				score: 0
+			},
+			hard: {
+				score: 0
+			}
+		};
+
+		var getStorageScore = JSON.parse(ls.getItem("bestCloudScore"));
+
+		if(getStorageScore) {
+			// overwrite the template
+			storeData = getStorageScore;
+
+			var storedBuildVersion = storeData.version.split(".");
+			var actualBuildVersion = Debug.BUILD_VERSION.split(".");
+
+			if(storedBuildVersion[0] !== actualBuildVersion[0] || storedBuildVersion[1] !== actualBuildVersion[1]) {
+				// reset all scores, when there was a minor/major update
+				storeData.easy.score = 0;
+				storeData.medium.score = 0;
+				storeData.hard.score = 0;
+			}
+			maxScore = Math.max(
+				score,
+				storeData[getDifficulty].score
+			);
+		}
+		storeData[getDifficulty].score = maxScore;
+		ls.setItem("bestCloudScore", JSON.stringify(storeData));
+		return maxScore;
+	}
+
+})();