app realization

app/core/core.module.js

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+'use strict';
+angular.module('core', []);

app/core/file-list.service.js

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+'use strict';
+
+angular.module('myApp.file-service', []).service('fileListService', function () {
+    return {
+        getFileList: getFileList,
+        updateFileList: updateFileList
+    };
+
+    function getFileList() {
+        let files = JSON.parse(localStorage.getItem("files") || '[]')
+        return files;
+    }
+
+    function updateFileList(value) {
+        let files = getFileList();
+        files.push(value);
+        localStorage.setItem("files", JSON.stringify(files));
+        angular.forEach(
+            angular.element(document.getElementById("fileInput")),
+            function (inputElem) {
+                angular.element(inputElem).val(null);
+            });
+    }
+});

app/core/filters/filesize.filter.js

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+'use strict';
+
+angular.module('core').filter('filesize', function () {
+    return function (size) {
+        if (isNaN(size))
+            size = 0;
+
+        if (size < 1024)
+            return size + ' Bytes';
+
+        size /= 1024;
+
+        if (size < 1024)
+            return size.toFixed(2) + ' Kb';
+
+        size /= 1024;
+
+        if (size < 1024)
+            return size.toFixed(2) + ' Mb';
+
+        size /= 1024;
+
+        if (size < 1024)
+            return size.toFixed(2) + ' Gb';
+
+        size /= 1024;
+
+        return size.toFixed(2) + ' Tb';
+    };
+});