4 files changed, 53 insertions, 0 deletions
diff --git a/modern/src/store/index.js b/modern/src/store/index.js
new file mode 100644
index 00000000..c981c136
--- /dev/null
+++ b/modern/src/store/index.js
@@ -0,0 +1,5 @@
+import { configureStore } from '@reduxjs/toolkit';
+
+import { rootReducer } from './modules';
+
+export default configureStore({ reducer: rootReducer });
diff --git a/modern/src/store/modules/devices.js b/modern/src/store/modules/devices.js
new file mode 100644
index 00000000..0d96e98d
--- /dev/null
+++ b/modern/src/store/modules/devices.js
@@ -0,0 +1,20 @@
+import { createSlice } from '@reduxjs/toolkit';
+
+const { reducer, actions } = createSlice({
+  name: 'devices',
+  initialState: {
+    items: {},
+    selectedId: null
+  },
+  reducers: {
+    update(state, action) {
+      action.payload.forEach(item => state.items[item['id']] = item);
+    },
+    select(state, action) {
+      state.selectedId = action.payload.id;
+    }
+  }
+});
+
+export { actions as devicesActions };
+export { reducer as devicesReducer };
diff --git a/modern/src/store/modules/index.js b/modern/src/store/modules/index.js
new file mode 100644
index 00000000..e2037c72
--- /dev/null
+++ b/modern/src/store/modules/index.js
@@ -0,0 +1,12 @@
+import { combineReducers } from '@reduxjs/toolkit';
+
+import { devicesReducer as devices } from './devices';
+import { positionsReducer as positions } from './positions';
+
+export const rootReducer = combineReducers({
+  devices,
+  positions,
+});
+
+export { devicesActions } from './devices';
+export { positionsActions } from './positions';
diff --git a/modern/src/store/modules/positions.js b/modern/src/store/modules/positions.js
new file mode 100644
index 00000000..1df468cd
--- /dev/null
+++ b/modern/src/store/modules/positions.js
@@ -0,0 +1,16 @@
+import { createSlice } from '@reduxjs/toolkit';
+
+const { reducer, actions } = createSlice({
+  name: 'positions',
+  initialState: {
+    items: {},
+  },
+  reducers: {
+    update(state, action) {
+      action.payload.forEach(item => state.items[item['deviceId']] = item);
+    },
+  }
+});
+
+export { actions as positionsActions };
+export { reducer as positionsReducer };