initial docker setup

frontend/src/reducers/page/pageReducer.js

@@ -0,0 +1,47 @@
+import {
+    SET_PARAMS_FROM_URL,
+    RESET_PARAMS,
+    SET_ACTIVE_MODULE,
+    SET_ACTIVE_SUB_MODULE,
+    RESET_ACTIVE_SUB_MODULE
+} from '../../constants/pageConstants';
+
+const moduleReducers = {};
+
+moduleReducers[SET_PARAMS_FROM_URL] = (state, action) => {
+    return Object.assign({}, state, {
+        urlParams: action.urlParams
+    });
+};
+
+moduleReducers[RESET_PARAMS] = (state, action) => {
+    return Object.assign({}, state, {
+        urlParams: {}
+    });
+};
+
+moduleReducers[SET_ACTIVE_MODULE] = (state, action) => {
+    return Object.assign({}, state, {
+        activeModule: action.activeModule
+    });
+};
+
+moduleReducers[SET_ACTIVE_SUB_MODULE] = (state, action) => {
+    return Object.assign({}, state, {
+        activeSubmodule: action.activeSubmodule
+    });
+};
+
+moduleReducers[RESET_ACTIVE_SUB_MODULE] = (state, action) => {
+    return Object.assign({}, state, {
+        activeSubmodule: ''
+    });
+};
+
+const pageReducer = (state = {}, action) => {
+    return moduleReducers[action.type]
+        ? moduleReducers[action.type](state, action)
+        : state;
+};
+
+export default pageReducer;