[RFR] Use reference input

UPGRADE.md

@@ -309,3 +309,26 @@ export default (type, params) => {
     // ...
 }
 ```
+
+## ReferenceInputController isLoading injected props renamed to loading
+
+When using custom component with ReferenceInputController, you should rename the component `isLoading` prop to `loading`.
+
+```diff
+- <ReferenceInputController {...props}>
+-     {({ isLoading, otherProps }) => (
+-         <CustomReferenceInputView
+-             {...otherProps}
+-             isLoading={isLoading}
+-         />
+-     )}
+- </ReferenceInputController>
++ <ReferenceInputController {...props}>
++     {({ loading, otherProps }) => (
++         <CustomReferenceInputView
++             {...otherProps}
++             loading={loading}
++         />
++     )}
++ </ReferenceInputController>
+```

docs/Inputs.md

@@ -922,7 +922,7 @@ The child component may further filter results (that's the case, for instance, f
 
 The child component receives the following props from `<ReferenceInput>`:
 
-- `isLoading`: whether the request for possible values is loading or not
+- `loading`: whether the request for possible values is loading or not
 - `filter`: the current filter of the request for possible values. Defaults to `{}`.
 - `pagination`: the current pagination of the request for possible values. Defaults to `{ page: 1, perPage: 25 }`.
 - `sort`: the current sorting of the request for possible values. Defaults to `{ field: 'id', order: 'DESC' }`.

packages/ra-core/src/controller/field/ReferenceFieldController.spec.tsx

@@ -20,6 +20,7 @@ describe('<ReferenceFieldController />', () => {
                 record={{ id: 1, postId: 123 }}
                 source="postId"
                 reference="posts"
+                resource="comments"
                 basePath=""
             />,
             defaultState
@@ -35,6 +36,7 @@ describe('<ReferenceFieldController />', () => {
                 record={{ id: 1, postId: null }}
                 source="postId"
                 reference="posts"
+                resource="comments"
                 basePath=""
             />,
             defaultState
@@ -51,15 +53,15 @@ describe('<ReferenceFieldController />', () => {
                 reference="posts"
                 resource="comments"
                 basePath="/comments"
-                crudGetManyAccumulate={crudGetManyAccumulate}
             >
                 {children}
             </ReferenceFieldController>,
             defaultState
         );
 
         expect(children).toBeCalledWith({
-            isLoading: false,
+            loading: false,
+            loaded: true,
             referenceRecord: { id: 123, title: 'foo' },
             resourceLinkPath: '/posts/123',
         });
@@ -89,7 +91,8 @@ describe('<ReferenceFieldController />', () => {
         );
 
         expect(children).toBeCalledWith({
-            isLoading: false,
+            loading: false,
+            loaded: true,
             referenceRecord: { id: 123, title: 'foo' },
             resourceLinkPath: '/prefix/posts/123',
         });
@@ -119,7 +122,8 @@ describe('<ReferenceFieldController />', () => {
         );
 
         expect(children).toBeCalledWith({
-            isLoading: false,
+            loading: false,
+            loaded: true,
             referenceRecord: { id: 123, title: 'foo' },
             resourceLinkPath: '/edit/123',
         });
@@ -134,7 +138,6 @@ describe('<ReferenceFieldController />', () => {
                 reference="show"
                 resource="edit"
                 basePath="/edit"
-                crudGetManyAccumulate={crudGetManyAccumulate}
             >
                 {children}
             </ReferenceFieldController>,
@@ -150,7 +153,8 @@ describe('<ReferenceFieldController />', () => {
         );
 
         expect(children).toBeCalledWith({
-            isLoading: false,
+            loading: false,
+            loaded: true,
             referenceRecord: { id: 123, title: 'foo' },
             resourceLinkPath: '/show/123',
         });
@@ -173,7 +177,8 @@ describe('<ReferenceFieldController />', () => {
         );
 
         expect(children).toBeCalledWith({
-            isLoading: false,
+            loading: false,
+            loaded: true,
             referenceRecord: { id: 123, title: 'foo' },
             resourceLinkPath: '/posts/123/show',
         });
@@ -204,7 +209,8 @@ describe('<ReferenceFieldController />', () => {
         );
 
         expect(children).toBeCalledWith({
-            isLoading: false,
+            loading: false,
+            loaded: true,
             referenceRecord: { id: 123, title: 'foo' },
             resourceLinkPath: '/edit/123/show',
         });
@@ -219,7 +225,6 @@ describe('<ReferenceFieldController />', () => {
                 reference="show"
                 resource="edit"
                 basePath="/edit"
-                crudGetManyAccumulate={crudGetManyAccumulate}
                 link="show"
             >
                 {children}
@@ -236,7 +241,8 @@ describe('<ReferenceFieldController />', () => {
         );
 
         expect(children).toBeCalledWith({
-            isLoading: false,
+            loading: false,
+            loaded: true,
             referenceRecord: { id: 123, title: 'foo' },
             resourceLinkPath: '/show/123/show',
         });
@@ -249,6 +255,7 @@ describe('<ReferenceFieldController />', () => {
                 record={{ id: 1, postId: 123 }}
                 source="postId"
                 reference="posts"
+                resource="comments"
                 basePath="/foo"
                 link={false}
             >
@@ -258,7 +265,8 @@ describe('<ReferenceFieldController />', () => {
         );
 
         expect(children).toBeCalledWith({
-            isLoading: false,
+            loading: false,
+            loaded: true,
             referenceRecord: { id: 123, title: 'foo' },
             resourceLinkPath: false,
         });

packages/ra-core/src/controller/field/ReferenceFieldController.tsx

@@ -1,19 +1,24 @@
 import { FunctionComponent, ReactNode, ReactElement } from 'react';
+import get from 'lodash/get';
+
 import { Record } from '../../types';
-import useReference, {
-    UseReferenceProps,
-    LinkToFunctionType,
-} from './useReference';
+
+import getResourceLinkPath, { LinkToFunctionType } from './getResourceLinkPath';
+import useReference, { UseReferenceProps } from '../useReference';
+
+interface childrenParams extends UseReferenceProps {
+    resourceLinkPath: string | false;
+}
 
 interface Props {
     allowEmpty?: boolean;
     basePath: string;
-    children: (params: UseReferenceProps) => ReactNode;
+    children: (params: childrenParams) => ReactNode;
     record?: Record;
     reference: string;
     resource: string;
     source: string;
-    link: string | boolean | LinkToFunctionType;
+    link?: string | boolean | LinkToFunctionType;
 }
 
 /**
@@ -47,9 +52,15 @@ interface Props {
  */
 export const ReferenceFieldController: FunctionComponent<Props> = ({
     children,
+    record,
+    source,
     ...props
 }) => {
-    return children(useReference(props)) as ReactElement<any>;
+    const id = get(record, source);
+    return children({
+        ...useReference({ ...props, id }),
+        resourceLinkPath: getResourceLinkPath({ ...props, record, source }),
+    }) as ReactElement<any>;
 };
 
 export default ReferenceFieldController;

packages/ra-core/src/controller/field/ReferenceManyFieldController.tsx

@@ -33,6 +33,8 @@ interface Props {
     total?: number;
 }
 
+const defaultPerPage = 25;
+
 /**
  * Render related records to the current one.
  *
@@ -91,10 +93,10 @@ export const ReferenceManyFieldController: FunctionComponent<Props> = ({
     sort: initialSort,
     children,
 }) => {
-    const { sort, setSort } = useSortState(initialSort);
-    const { page, perPage, setPage, setPerPage } = usePaginationState(
-        initialPerPage
-    );
+    const { sort, setSortField } = useSortState(initialSort);
+    const { page, perPage, setPage, setPerPage } = usePaginationState({
+        perPage: initialPerPage || defaultPerPage,
+    });
     const {
         data,
         ids,
@@ -124,7 +126,7 @@ export const ReferenceManyFieldController: FunctionComponent<Props> = ({
         referenceBasePath,
         setPage,
         setPerPage,
-        setSort,
+        setSort: setSortField,
         total,
     });
 };

packages/ra-core/src/controller/field/useReference.ts → packages/ra-core/src/controller/field/getResourceLinkPath.ts

@@ -1,11 +1,7 @@
-import { useEffect } from 'react';
-// @ts-ignore
-import { useDispatch, useSelector } from 'react-redux';
 import get from 'lodash/get';
 
-import { crudGetManyAccumulate } from '../../actions';
 import { linkToRecord } from '../../util';
-import { Record, ReduxState } from '../../types';
+import { Record } from '../../types';
 
 export type LinkToFunctionType = (record: Record, reference: string) => string;
 
@@ -15,75 +11,59 @@ interface Option {
     allowEmpty?: boolean;
     basePath: string;
     record?: Record;
+    source: string;
     reference: string;
     resource: string;
-    source: string;
-    link: LinkToType;
+    link?: LinkToType;
     linkType?: LinkToType; // deprecated, use link instead
 }
 
-export interface UseReferenceProps {
-    isLoading: boolean;
-    referenceRecord: Record;
-    resourceLinkPath: string | false;
-}
-
 /**
  * @typedef ReferenceProps
  * @type {Object}
- * @property {boolean} isLoading: boolean indicating if the reference has loaded
+ * @property {boolean} loading: boolean indicating if the reference is loading
+ * @property {boolean} loaded: boolean indicating if the reference has loaded
  * @property {Object} referenceRecord: the referenced record.
  * @property {string | false} resourceLinkPath link to the page of the related record (depends on link) (false is no link)
  */
 
 /**
- * Fetch reference record, and return it when avaliable
- *
- * The reference prop sould be the name of one of the <Resource> components
- * added as <Admin> child.
+ * Get the link toward the referenced resource
  *
  * @example
  *
- * const { isLoading, referenceRecord, resourceLinkPath } = useReference({
- *     source: 'userId',
- *     reference: 'users',
- *     record: {
- *         userId: 7
- *     }
+ * const linkPath = getResourceLinkPath({
+ *      basePath: '/comments',
+ *      link: 'edit',
+ *      reference: 'users',
+ *      record: {
+ *          userId: 7
+ *      },
+ *      resource: 'comments',
+ *      source: 'userId',
  * });
  *
  * @param {Object} option
- * @param {boolean} option.allowEmpty do we allow for no referenced record (default to false)
  * @param {string} option.basePath basepath to current resource
  * @param {string | false | LinkToFunctionType} option.link="edit" The link toward the referenced record. 'edit', 'show' or false for no link (default to edit). Alternatively a function that returns a string
  * @param {string | false | LinkToFunctionType} [option.linkType] DEPRECATED : old name for link
- * @param {Object} option.record The The current resource record
  * @param {string} option.reference The linked resource name
+ * @param {Object} option.record The The current resource record
  * @param {string} option.resource The current resource name
  * @param {string} option.source The key of the linked resource identifier
  *
  * @returns {ReferenceProps} The reference props
  */
-export const useReference = ({
-    allowEmpty = false,
+const getResourceLinkPath = ({
     basePath,
     link = 'edit',
     linkType,
-    record = { id: '' },
     reference,
+    record = { id: '' },
     resource,
     source,
-}: Option): UseReferenceProps => {
+}: Option): string | false => {
     const sourceId = get(record, source);
-    const referenceRecord = useSelector(
-        getReferenceRecord(sourceId, reference)
-    );
-    const dispatch = useDispatch();
-    useEffect(() => {
-        if (sourceId !== null && typeof sourceId !== 'undefined') {
-            dispatch(crudGetManyAccumulate(reference, [sourceId]));
-        }
-    }, [sourceId, reference]); // eslint-disable-line react-hooks/exhaustive-deps
     const rootPath = basePath.replace(resource, reference);
     // Backward compatibility: keep linkType but with warning
     const getResourceLinkPath = (linkTo: LinkToType) =>
@@ -103,15 +83,7 @@ export const useReference = ({
         linkType !== undefined ? linkType : link
     );
 
-    return {
-        isLoading: !referenceRecord && !allowEmpty,
-        referenceRecord,
-        resourceLinkPath,
-    };
+    return resourceLinkPath;
 };
 
-const getReferenceRecord = (sourceId, reference) => (state: ReduxState) =>
-    state.admin.resources[reference] &&
-    state.admin.resources[reference].data[sourceId];
-
-export default useReference;
+export default getResourceLinkPath;

packages/ra-core/src/controller/field/index.ts

@@ -1,15 +1,15 @@
 import ReferenceArrayFieldController from './ReferenceArrayFieldController';
 import ReferenceFieldController from './ReferenceFieldController';
 import ReferenceManyFieldController from './ReferenceManyFieldController';
-import useReference from './useReference';
+import getResourceLinkPath from './getResourceLinkPath';
 import useReferenceArray from './useReferenceArray';
 import useReferenceMany from './useReferenceMany';
 
 export {
     useReferenceArray,
     ReferenceArrayFieldController,
     ReferenceFieldController,
-    useReference,
+    getResourceLinkPath,
     useReferenceMany,
     ReferenceManyFieldController,
 };