Abhinav - feat(ki-inventory): connect frontend to backend API

src/actions/KIInventoryActions.js

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+import axios from 'axios';
+import { ENDPOINTS } from '~/utils/URL';
+import {
+  KI_INVENTORY_FETCH_REQUEST,
+  KI_INVENTORY_FETCH_SUCCESS,
+  KI_INVENTORY_FETCH_FAILURE,
+  KI_INVENTORY_STATS_REQUEST,
+  KI_INVENTORY_STATS_SUCCESS,
+  KI_INVENTORY_STATS_FAILURE,
+  KI_PRESERVED_ITEMS_REQUEST,
+  KI_PRESERVED_ITEMS_SUCCESS,
+  KI_PRESERVED_ITEMS_FAILURE,
+} from '../constants/KIInventoryConstants';
+
+const createFetchAction = (requestType, successType, failureType, endpoint, defaultErrorMsg) => async dispatch => {
+  dispatch({ type: requestType });
+  try {
+    const res = await axios.get(endpoint);
+    dispatch({ type: successType, payload: res.data.data });
+  } catch (err) {
+    dispatch({
+      type: failureType,
+      payload: err.response?.data?.message || defaultErrorMsg,
+    });
+  }
+};
+
+/**
+ * Fetch all inventory items across all categories.
+ * GET /api/kitchenandinventory/inventory/items
+ */
+export const fetchInventoryItems = () => createFetchAction(
+  KI_INVENTORY_FETCH_REQUEST,
+  KI_INVENTORY_FETCH_SUCCESS,
+  KI_INVENTORY_FETCH_FAILURE,
+  ENDPOINTS.KI_INVENTORY_ITEMS,
+  'Failed to fetch inventory items.'
+);
+
+/**
+ * Fetch inventory stats — total items, critical stock count, low stock count.
+ * GET /api/kitchenandinventory/inventory/items/stats
+ */
+export const fetchInventoryStats = () => createFetchAction(
+  KI_INVENTORY_STATS_REQUEST,
+  KI_INVENTORY_STATS_SUCCESS,
+  KI_INVENTORY_STATS_FAILURE,
+  ENDPOINTS.KI_INVENTORY_STATS,
+  'Failed to fetch inventory stats.'
+);
+
+/**
+ * Fetch preserved ingredient items (expiry >= 1 year from now).
+ * GET /api/kitchenandinventory/inventory/items/ingredients/preserved
+ */
+export const fetchPreservedItems = () => createFetchAction(
+  KI_PRESERVED_ITEMS_REQUEST,
+  KI_PRESERVED_ITEMS_SUCCESS,
+  KI_PRESERVED_ITEMS_FAILURE,
+  ENDPOINTS.KI_INVENTORY_PRESERVED,
+  'Failed to fetch preserved items.'
+);