Refactor make bucket and upload components (#5521)

browser/app/js/uploads/reducer.js

@@ -0,0 +1,67 @@
+/*
+ * Minio Cloud Storage (C) 2018 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import * as uploadsActions from "./actions"
+
+const add = (files, action) => ({
+  ...files,
+  [action.slug]: {
+    loaded: 0,
+    size: action.size,
+    name: action.name
+  }
+})
+
+const updateProgress = (files, action) => ({
+  ...files,
+  [action.slug]: {
+    ...files[action.slug],
+    loaded: action.loaded
+  }
+})
+
+const stop = (files, action) => {
+  const newFiles = Object.assign({}, files)
+  delete newFiles[action.slug]
+  return newFiles
+}
+
+export default (state = { files: {}, showAbortModal: false }, action) => {
+  switch (action.type) {
+    case uploadsActions.ADD:
+      return {
+        ...state,
+        files: add(state.files, action)
+      }
+    case uploadsActions.UPDATE_PROGRESS:
+      return {
+        ...state,
+        files: updateProgress(state.files, action)
+      }
+    case uploadsActions.STOP:
+      return {
+        ...state,
+        files: stop(state.files, action)
+      }
+    case uploadsActions.SHOW_ABORT_MODAL:
+      return {
+        ...state,
+        showAbortModal: action.show
+      }
+    default:
+      return state
+  }
+}