Make multiple choice filters work

src/misc.ts

@@ -466,3 +466,15 @@ export function generateCode(charNum: number) {
   }
   return result;
 }
+
+export function findInEnum<TEnum extends object>(
+  needle: string,
+  haystack: TEnum
+) {
+  const match = Object.keys(haystack).find(key => key === needle);
+  if (!!match) {
+    return haystack[needle as keyof TEnum];
+  }
+
+  throw new Error(`Key ${needle} not found in enum`);
+}

src/orders/urls.ts

@@ -6,6 +6,7 @@ import {
   BulkAction,
   Dialog,
   Filters,
+  FiltersWithMultipleValues,
   Pagination,
   SingleAction
 } from "../types";
@@ -16,11 +17,14 @@ export const orderListPath = orderSectionUrl;
 export enum OrderListUrlFiltersEnum {
   dateFrom = "dateFrom",
   dateTo = "dateTo",
-  status = "status",
   email = "email",
   payment = "payment"
 }
-export type OrderListUrlFilters = Filters<OrderListUrlFiltersEnum>;
+export enum OrderListUrlFiltersWithMultipleValuesEnum {
+  status = "status"
+}
+export type OrderListUrlFilters = Filters<OrderListUrlFiltersEnum> &
+  FiltersWithMultipleValues<OrderListUrlFiltersWithMultipleValuesEnum>;
 export type OrderListUrlDialog = "cancel" | "save-search" | "delete-search";
 export type OrderListUrlQueryParams = BulkAction &
   Dialog<OrderListUrlDialog> &

src/orders/views/OrderList/OrderList.tsx

@@ -229,8 +229,8 @@ export const OrderList: React.StatelessComponent<OrderListProps> = ({
                           </Button>
                         }
                         onSearchChange={email => changeFilterField({ email })}
-                        onFilterAdd={filter =>
-                          changeFilterField(createFilter(filter))
+                        onFilterAdd={data =>
+                          changeFilterField(createFilter(params, data))
                         }
                         onFilterSave={() => openModal("save-search")}
                         onFilterDelete={() => openModal("delete-search")}

src/orders/views/OrderList/filters.ts

@@ -1,5 +1,7 @@
 import { defineMessages, IntlShape } from "react-intl";
 
+import { findInEnum } from "@saleor/misc";
+import { removeAtIndex } from "@saleor/utils/lists";
 import { FilterContentSubmitData } from "../../../components/Filter";
 import { Filter } from "../../../components/TableFilter";
 import {
@@ -7,8 +9,12 @@ import {
   OrderStatusFilter
 } from "../../../types/globalTypes";
 import {
+  arrayOrUndefined,
+  arrayOrValue,
   createFilterTabUtils,
-  createFilterUtils
+  createFilterUtils,
+  dedupeFilter,
+  valueOrFirst
 } from "../../../utils/filters";
 import { OrderFilterKeys } from "../../components/OrderListFilter";
 import {
@@ -70,22 +76,25 @@ export function getFilterVariables(
       lte: params.dateTo
     },
     customer: params.email,
-    status: OrderStatusFilter[params.status]
+    status: Array.isArray(params.status)
+      ? params.status.map(status => findInEnum(status, OrderStatusFilter))
+      : params.status
+      ? [findInEnum(params.status, OrderStatusFilter)]
+      : undefined
   };
 }
 
 export function createFilter(
-  filter: FilterContentSubmitData
+  filter: OrderListUrlFilters,
+  data: FilterContentSubmitData
 ): OrderListUrlFilters {
-  const filterName = filter.name;
+  const { name: filterName, value } = data;
   if (filterName === OrderFilterKeys.dateEqual.toString()) {
-    const value = filter.value as string;
     return {
-      dateFrom: value,
-      dateTo: value
+      dateFrom: valueOrFirst(value),
+      dateTo: valueOrFirst(value)
     };
   } else if (filterName === OrderFilterKeys.dateRange.toString()) {
-    const { value } = filter;
     return {
       dateFrom: value[0],
       dateTo: value[1]
@@ -99,15 +108,17 @@ export function createFilter(
       .map(value => value.toString())
       .includes(filterName)
   ) {
-    const { value } = filter;
     return {
-      dateFrom: value as string,
+      dateFrom: valueOrFirst(value),
       dateTo: undefined
     };
   } else if (filterName === OrderFilterKeys.fulfillment.toString()) {
-    const { value } = filter;
     return {
-      status: value as string
+      status: dedupeFilter(
+        filter.status
+          ? [...(filter.status as string[]), valueOrFirst(value)]
+          : arrayOrValue(value)
+      )
     };
   }
 }
@@ -175,17 +186,29 @@ export function createFilterChips(
   }
 
   if (!!filters.status) {
-    filterChips = [
-      ...filterChips,
-      {
-        label: getStatusLabel(filters.status, intl),
-        onClick: () =>
-          onFilterDelete({
-            ...filters,
-            status: undefined
-          })
-      }
-    ];
+    const statusFilterChips = Array.isArray(filters.status)
+      ? filters.status.map((status, statusIndex) => ({
+          label: getStatusLabel(status, intl),
+          onClick: () =>
+            onFilterDelete({
+              ...filters,
+              status: arrayOrUndefined(
+                removeAtIndex(filters.status as string[], statusIndex)
+              )
+            })
+        }))
+      : [
+          {
+            label: getStatusLabel(filters.status, intl),
+            onClick: () =>
+              onFilterDelete({
+                ...filters,
+                status: undefined
+              })
+          }
+        ];
+
+    filterChips = [...filterChips, ...statusFilterChips];
   }
 
   return filterChips;

src/types.ts

@@ -112,6 +112,9 @@ export type ActiveTab<TTab extends string = string> = Partial<{
 export type Filters<TFilters extends string> = Partial<
   Record<TFilters, string>
 >;
+export type FiltersWithMultipleValues<TFilters extends string> = Partial<
+  Record<TFilters, string | string[]>
+>;
 export type SingleAction = Partial<{
   id: string;
 }>;

src/utils/filters/filters.ts

@@ -1,4 +1,7 @@
-function createFilterUtils<TQueryParams, TFilters>(filters: object) {
+function createFilterUtils<
+  TQueryParams extends object,
+  TFilters extends object
+>(filters: object) {
   function getActiveFilters(params: TQueryParams): TFilters {
     return Object.keys(params)
       .filter(key => Object.keys(filters).includes(key))
@@ -21,4 +24,32 @@ function createFilterUtils<TQueryParams, TFilters>(filters: object) {
   };
 }
 
+export function valueOrFirst<T>(value: T | T[]): T {
+  if (Array.isArray(value)) {
+    return value[0];
+  }
+
+  return value;
+}
+
+export function arrayOrValue<T>(value: T | T[]): T[] {
+  if (Array.isArray(value)) {
+    return value;
+  }
+
+  return [value];
+}
+
+export function arrayOrUndefined<T>(array: T[]): T[] | undefined {
+  if (array.length === 0) {
+    return undefined;
+  }
+
+  return array;
+}
+
+export function dedupeFilter<T>(array: T[]): T[] {
+  return Array.from(new Set(array));
+}
+
 export default createFilterUtils;