Added item services.

src/app/core/data-services/item/item-find-multiple.reducer.ts

@@ -0,0 +1,59 @@
+import { PaginationOptions } from "../../shared/pagination-options.model";
+import { SortOptions } from "../../shared/sort-options.model";
+import {
+  ItemFindMultipleAction,
+  ItemFindMultipleActionTypes
+} from "./item-find-multiple.actions";
+
+export interface ItemFindMultipleState {
+  scopeID: string;
+  itemsIDs: Array<String>;
+  isLoading: boolean;
+  errorMessage: string;
+  paginationOptions: PaginationOptions;
+  sortOptions: SortOptions;
+}
+
+const initialState: ItemFindMultipleState = {
+  scopeID: undefined,
+  itemsIDs: [],
+  isLoading: false,
+  errorMessage: undefined,
+  paginationOptions: undefined,
+  sortOptions: undefined
+};
+
+export const findMultipleReducer = (state = initialState, action: ItemFindMultipleAction): ItemFindMultipleState => {
+  switch (action.type) {
+
+    case ItemFindMultipleActionTypes.FIND_MULTI_REQUEST: {
+      return Object.assign({}, state, {
+        scopeID: action.payload.scopeID,
+        itemsIDs: [],
+        isLoading: true,
+        errorMessage: undefined,
+        paginationOptions: action.payload.paginationOptions,
+        sortOptions: action.payload.sortOptions
+      });
+    }
+
+    case ItemFindMultipleActionTypes.FIND_MULTI_SUCCESS: {
+      return Object.assign({}, state, {
+        isLoading: false,
+        itemsIDs: action.payload,
+        errorMessage: undefined
+      });
+    }
+
+    case ItemFindMultipleActionTypes.FIND_MULTI_ERROR: {
+      return Object.assign({}, state, {
+        isLoading: false,
+        errorMessage: action.payload
+      });
+    }
+
+    default: {
+      return state;
+    }
+  }
+};