Merge pull request #37 from woocommerce/add/rest-api-filter

Add REST API Filters to modify API responses

api/api.php

@@ -37,3 +37,5 @@ require( 'tools/disable-wc-email.php' );
 require( 'tools/trigger-update-callbacks.php' );
 require( 'tracks/tracks-debug-log.php' );
 require( 'features/features.php' );
+require( 'rest-api-filters/rest-api-filters.php' );
+require( 'rest-api-filters/hook.php' );

api/rest-api-filters/hook.php

@@ -0,0 +1,52 @@
+<?php
+
+$filters = get_option(WCA_Test_Helper_Rest_Api_Filters::WC_ADMIN_TEST_HELPER_REST_API_FILTER_OPTION, [] );
+
+function array_dot_set( &$array, $key, $value ) {
+    if ( is_null( $key ) ) {
+        return $array = $value;
+    }
+
+    $keys = explode('.', $key);
+
+    while ( count($keys) > 1 ) {
+        $key = array_shift($keys);
+        if (! isset($array[$key]) || ! is_array($array[$key]) ) {
+            $array[$key] = [];
+        }
+        $array = &$array[$key];
+    }
+
+    $array[ array_shift($keys) ] = $value;
+    return $array;
+}
+
+add_filter(
+    'rest_request_after_callbacks',
+    function ( $response, array $handler, \WP_REST_Request $request ) use ( $filters ) {
+        if (! $response instanceof  \WP_REST_Response ) {
+            return $response;
+        }
+        $route = $request->get_route();
+        $filters = array_filter(
+            $filters, function ( $filter ) use ( $request, $route ) {
+                if ($filter['enabled'] && $filter['endpoint'] == $route ) {
+                    return true;
+                }
+                return false;
+            }
+        );
+
+        $data = $response->get_data();
+
+        foreach ( $filters as $filter ) {
+            array_dot_set($data, $filter['dot_notation'], $filter['replacement']);
+        }
+
+        $response->set_data($data);
+
+        return $response;
+    },
+    10,
+    3
+);

api/rest-api-filters/rest-api-filters.php

@@ -0,0 +1,109 @@
+<?php
+
+register_woocommerce_admin_test_helper_rest_route(
+    '/rest-api-filters',
+    [ WCA_Test_Helper_Rest_Api_Filters::class, 'create' ],
+    array(
+        'methods' => 'POST',
+        'args'                => array(
+            'endpoint'     => array(
+                'description'       => 'Rest API endpoint.',
+                'type'              => 'string',
+                'required'            => true,
+                'sanitize_callback' => 'sanitize_text_field',
+            ),
+            'dot_notation' => array(
+                'description'       => 'Dot notation of the target field.',
+                'type'              => 'string',
+                'required'            => true,
+                'sanitize_callback' => 'sanitize_text_field',
+            ),
+            'replacement'   => array(
+                'description'       => 'Replacement value for the target field.',
+                'type'              => 'string',
+                'required'            => true,
+                'sanitize_callback' => 'sanitize_text_field',
+            ),
+        ),
+    )
+);
+
+register_woocommerce_admin_test_helper_rest_route(
+    '/rest-api-filters',
+    [ WCA_Test_Helper_Rest_Api_Filters::class, 'delete' ],
+    array(
+        'methods' => 'DELETE',
+        'args'                => array(
+            'index'     => array(
+                'description'       => 'Rest API endpoint.',
+                'type'              => 'integer',
+                'required' => true,
+            ),
+        ),
+    )
+);
+
+
+register_woocommerce_admin_test_helper_rest_route(
+    '/rest-api-filters/(?P<index>\d+)/toggle',
+    [ WCA_Test_Helper_Rest_Api_Filters::class, 'toggle' ],
+    array(
+        'methods' => 'POST',
+    )
+);
+
+
+class WCA_Test_Helper_Rest_Api_Filters {
+    const WC_ADMIN_TEST_HELPER_REST_API_FILTER_OPTION = 'wc-admin-test-helper-rest-api-filters';
+
+    public static function create( $request ) {
+        $endpoint = $request->get_param('endpoint');
+        $dot_notation = $request->get_param('dot_notation');
+        $replacement = $request->get_param('replacement');
+
+        self::update(
+            function ( $filters ) use (
+                $endpoint,
+                $dot_notation,
+                $replacement
+            ) {
+                $filters[] = array(
+                'endpoint' => $endpoint,
+                'dot_notation' => $dot_notation,
+                'replacement' => filter_var( $replacement, FILTER_VALIDATE_BOOLEAN ),
+                'enabled' => true,
+                );
+                return $filters;
+            }
+        );
+        return new WP_REST_RESPONSE(null, 204);
+    }
+
+    public static function update( callable $callback ) {
+        $filters = get_option(self::WC_ADMIN_TEST_HELPER_REST_API_FILTER_OPTION, array());
+        $filters = $callback( $filters );
+        return update_option(self::WC_ADMIN_TEST_HELPER_REST_API_FILTER_OPTION, $filters);
+    }
+
+    public static function delete( $request ) {
+        self::update(
+            function ( $filters ) use ( $request ) {
+                array_splice($filters, $request->get_param('index'), 1);
+                return $filters;
+            }
+        );
+
+        return new WP_REST_RESPONSE(null, 204);
+    }
+
+    public static function toggle( $request ) {
+        self::update(
+            function ( $filters ) use ( $request ) {
+                $index = $request->get_param('index');
+                $filters[$index]['enabled'] = !$filters[$index]['enabled'];
+                return $filters;
+            }
+        );
+        return new WP_REST_RESPONSE(null, 204);
+    }
+}

src/app/app.js

@@ -12,6 +12,7 @@ import { default as Tools } from '../tools';
 import { default as Options } from '../options';
 import { default as Experiments } from '../experiments';
 import { default as Features } from '../features';
+import { default as RestAPIFilters } from '../rest-api-filters';
 
 const tabs = applyFilters( 'woocommerce_admin_test_helper_tabs', [
 	{
@@ -39,6 +40,11 @@ const tabs = applyFilters('woocommerce_admin_test_helper_tabs', [
 		title: 'Features',
 		content: <Features />,
 	},
+	{
+		name: 'rest-api-filters',
+		title: 'REST API FIlters',
+		content: <RestAPIFilters />,
+	},
 ] );
 
 export function App() {

src/index.scss

@@ -1,3 +1,17 @@
+#woocommerce-admin-test-helper-app-root {
+	.btn-danger {
+		color: #fff;
+		background-color: #dc3545;
+		border-color: #dc3545;
+	}
+
+	.btn-primary {
+		color: #fff;
+		background-color: #007bff;
+		border-color: #007bff;
+	}
+}
+
 .woocommerce-admin-test-helper__main-tab-panel {
 	.active-tab {
 		box-shadow: inset 0 1.5px #007cba;
@@ -27,12 +41,6 @@
 		margin-bottom: 10px;
 	}
 
-    .btn-danger {
-        color: #fff;
-        background-color: #dc3545;
-        border-color: #dc3545;
-    }
-
 	.align-center {
 		text-align: center;
 	}
@@ -51,8 +59,10 @@
 	float: right;
 }
 
-#wc-admin-test-helper-tools, #wc-admin-test-helper-experiments {
+#wc-admin-test-helper-tools,
-    table.tools, table.experiments {
+#wc-admin-test-helper-experiments {
+	table.tools,
+	table.experiments {
 		thead th {
 			text-align: center;
 		}
@@ -74,3 +84,34 @@
 		margin: 0px 0px 10px 0px;
 	}
 }
+
+#wc-admin-test-helper-rest-api-filters {
+	.btn-new {
+		float: right;
+	}
+}
+
+form.rest-api-filter-new-form {
+	.grid {
+		display: grid;
+		grid-template-columns: max-content max-content;
+		grid-gap: 5px;
+		input[type='text'] {
+			width: 350px;
+		}
+		label {
+			text-align: right;
+		}
+		label:after {
+			content: ':';
+		}
+	}
+
+	.btn-new {
+		color: #fff;
+		background-color: #007bff;
+		border-color: #007bff;
+		float: right;
+		margin-top: 10px;
+	}
+}

src/rest-api-filters/data/action-types.js

@@ -0,0 +1,9 @@
+const TYPES = {
+	SET_FILTERS: 'SET_FILTERS',
+	SET_IS_LOADING: 'SET_IS_LOADING',
+	DELETE_FILTER: 'DELETE_FILTER',
+	SAVE_FILTER: 'SAVE_FILTER',
+	TOGGLE_FILTER: 'TOGGLE_FILTER',
+};
+
+export default TYPES;

src/rest-api-filters/data/actions.js

@@ -0,0 +1,93 @@
+/**
+ * External dependencies
+ */
+import { apiFetch } from '@wordpress/data-controls';
+
+/**
+ * Internal dependencies
+ */
+import TYPES from './action-types';
+import { API_NAMESPACE } from './constants';
+
+/**
+ * Initialize the state
+ *
+ * @param {Array} filter
+ * @param filters
+ */
+export function setFilters( filters ) {
+	return {
+		type: TYPES.SET_FILTERS,
+		filters,
+	};
+}
+
+export function setLoadingState( isLoading ) {
+	return {
+		type: TYPES.SET_IS_LOADING,
+		isLoading,
+	};
+}
+
+export function* toggleFilter( index ) {
+	try {
+		yield apiFetch( {
+			method: 'POST',
+			path: `${ API_NAMESPACE }/rest-api-filters/${ index }/toggle`,
+			headers: { 'content-type': 'application/json' },
+		} );
+		yield {
+			type: TYPES.TOGGLE_FILTER,
+			index,
+		};
+	} catch {
+		throw new Error();
+	}
+}
+
+export function* deleteFilter( index ) {
+	try {
+		yield apiFetch( {
+			method: 'DELETE',
+			path: `${ API_NAMESPACE }/rest-api-filters/`,
+			headers: { 'content-type': 'application/json' },
+			body: JSON.stringify( {
+				index,
+			} ),
+		} );
+
+		yield {
+			type: TYPES.DELETE_FILTER,
+			index,
+		};
+	} catch {
+		throw new Error();
+	}
+}
+
+export function* saveFilter( endpoint, dotNotation, replacement ) {
+	try {
+		yield apiFetch( {
+			method: 'POST',
+			path: API_NAMESPACE + '/rest-api-filters',
+			headers: { 'content-type': 'application/json' },
+			body: JSON.stringify( {
+				endpoint,
+				dot_notation: dotNotation,
+				replacement,
+			} ),
+		} );
+
+		yield {
+			type: TYPES.SAVE_FILTER,
+			filter: {
+				endpoint,
+				dot_notation: dotNotation,
+				replacement,
+				enabled: true,
+			},
+		};
+	} catch {
+		throw new Error();
+	}
+}

src/rest-api-filters/data/constants.js

@@ -0,0 +1,5 @@
+export const STORE_KEY = 'wc-admin-helper/rest-api-filters';
+export const API_NAMESPACE = '/wc-admin-test-helper';
+
+// Option name where we're going to save the filters.
+export const FILTERS_OPTION_NAME = 'wc-admin-test-helper-rest-api-filters';

src/rest-api-filters/data/index.js

@@ -0,0 +1,22 @@
+/**
+ * External dependencies
+ */
+import { registerStore } from '@wordpress/data';
+import { controls } from '@wordpress/data-controls';
+
+/**
+ * Internal dependencies
+ */
+import * as actions from './actions';
+import * as resolvers from './resolvers';
+import * as selectors from './selectors';
+import reducer from './reducer';
+import { STORE_KEY } from './constants';
+
+export default registerStore( STORE_KEY, {
+	actions,
+	selectors,
+	resolvers,
+	controls,
+	reducer,
+} );

src/rest-api-filters/data/reducer.js

@@ -0,0 +1,55 @@
+/**
+ * Internal dependencies
+ */
+import TYPES from './action-types';
+
+const DEFAULT_STATE = {
+	filters: [],
+	isLoading: true,
+	notice: {
+		status: 'success',
+		message: '',
+	},
+};
+
+const reducer = ( state = DEFAULT_STATE, action ) => {
+	switch ( action.type ) {
+		case TYPES.TOGGLE_FILTER:
+			return {
+				...state,
+				filters: state.filters.map( ( filter, index ) => {
+					if ( index === action.index ) {
+						filter.enabled = ! filter.enabled;
+					}
+					return filter;
+				} ),
+			};
+		case TYPES.SET_IS_LOADING:
+			return {
+				...state,
+				isLoading: action.isLoading,
+			};
+		case TYPES.SET_FILTERS:
+			return {
+				...state,
+				filters: action.filters,
+				isLoading: false,
+			};
+		case TYPES.DELETE_FILTER:
+			return {
+				...state,
+				filters: state.filters.filter(
+					( item, index ) => index !== action.index
+				),
+			};
+		case TYPES.SAVE_FILTER:
+			return {
+				...state,
+				filters: [ ...state.filters, action.filter ],
+			};
+		default:
+			return state;
+	}
+};
+
+export default reducer;

src/rest-api-filters/data/resolvers.js

@@ -0,0 +1,29 @@
+/**
+ * External dependencies
+ */
+import { apiFetch } from '@wordpress/data-controls';
+
+/**
+ * Internal dependencies
+ */
+import { FILTERS_OPTION_NAME } from './constants';
+import { setLoadingState, setFilters } from './actions';
+
+export function* getFilters() {
+	const path = '/wc-admin/options?options=' + FILTERS_OPTION_NAME;
+
+	yield setLoadingState( true );
+
+	try {
+		const response = yield apiFetch( {
+			path,
+		} );
+		if ( response[ FILTERS_OPTION_NAME ] === false ) {
+			yield setFilters( [] );
+		} else {
+			yield setFilters( response[ FILTERS_OPTION_NAME ] );
+		}
+	} catch ( error ) {
+		throw new Error();
+	}
+}

src/rest-api-filters/data/selectors.js

@@ -0,0 +1,7 @@
+export function getFilters( state ) {
+	return state.filters;
+}
+
+export function isLoading( state ) {
+	return state.isLoading;
+}

src/rest-api-filters/index.js

@@ -0,0 +1,182 @@
+/**
+ * External dependencies
+ */
+import { withDispatch, withSelect } from '@wordpress/data';
+import { compose } from '@wordpress/compose';
+import { Modal } from '@wordpress/components';
+import { useState } from '@wordpress/element';
+
+/**
+ * Internal dependencies
+ */
+import { STORE_KEY } from './data/constants';
+import './data';
+
+function RestAPIFilters( {
+	filters,
+	deleteFilter,
+	isLoading,
+	saveFilter,
+	toggleFilter,
+} ) {
+	const [ isNewModalOpen, setNewModalOpen ] = useState( false );
+
+	const submitAddForm = ( e ) => {
+		e.preventDefault();
+		saveFilter(
+			e.target.endpoint.value,
+			e.target.dotNotation.value,
+			e.target.replacement.value
+		);
+		setNewModalOpen( false );
+	};
+
+	const renderLoading = () => {
+		return (
+			<tr>
+				<td colSpan="6" align="center">
+					Loading...
+				</td>
+			</tr>
+		);
+	};
+
+	const renderTableData = () => {
+		if ( filters.length === 0 ) {
+			return (
+				<tr>
+					<td colSpan="7" align="center">
+						No Filters Found
+					</td>
+				</tr>
+			);
+		}
+
+		return filters.map( ( filter, index ) => {
+			// eslint-disable-next-line camelcase
+			const {
+				endpoint,
+				dot_notation: dotNotation,
+				replacement,
+				enabled,
+			} = filter;
+
+			return (
+				<tr key={ index }>
+					<td>{ index + 1 }</td>
+					<td>{ endpoint }</td>
+					<td key={ 'optionValue' }>{ dotNotation }</td>
+					<td className="align-center">{ replacement + '' }</td>
+					<td className="align-center">{ enabled + '' }</td>
+					<td className="align-center">
+						<button
+							className="button btn-primary"
+							onClick={ () => toggleFilter( index ) }
+						>
+							Toggle
+						</button>
+					</td>
+					<td className="align-center">
+						<button
+							className="button btn-danger"
+							onClick={ () => deleteFilter( index ) }
+						>
+							Delete
+						</button>
+					</td>
+				</tr>
+			);
+		} );
+	};
+
+	return (
+		<>
+			{ isNewModalOpen && (
+				<Modal
+					title={ 'New Filter' }
+					onRequestClose={ () => {
+						setNewModalOpen( false );
+					} }
+				>
+					<form
+						className="rest-api-filter-new-form"
+						onSubmit={ submitAddForm }
+					>
+						<div className="grid">
+							<label htmlFor="endpoint">Endpoint</label>
+							<input type="text" name="endpoint" autoFocus />
+							<label htmlFor="jsonPath">Dot Notation</label>
+							<input type="text" name="dotNotation" />
+							<label htmlFor="replacement">Replacement </label>
+							<input type="text" name="replacement" />
+						</div>
+						<input
+							type="submit"
+							value="Create New Filter"
+							className="button btn-new"
+						/>
+					</form>
+				</Modal>
+			) }
+			<div id="wc-admin-test-helper-rest-api-filters">
+				<input
+					type="button"
+					className="button btn-primary btn-new"
+					value="New Filter"
+					onClick={ () => setNewModalOpen( true ) }
+				/>
+				<br />
+				<br />
+				<table className="wp-list-table striped table-view-list widefat">
+					<thead>
+						<tr>
+							<td className="manage-column column-thumb">I.D</td>
+							<td className="manage-column column-thumb">
+								Endpoint
+							</td>
+							<td className="manage-column column-thumb">
+								Dot Notation
+							</td>
+							<td className="manage-column column-thumb align-center">
+								Replacement
+							</td>
+							<td className="manage-column column-thumb align-center">
+								Enabled
+							</td>
+							<td className="manage-column column-thumb align-center">
+								Toggle
+							</td>
+							<td className="manage-column column-thumb align-center"></td>
+						</tr>
+					</thead>
+					<tbody>
+						{ isLoading ? renderLoading() : renderTableData() }
+					</tbody>
+				</table>
+			</div>
+		</>
+	);
+}
+
+export default compose(
+	withSelect( ( select ) => {
+		const { getFilters, isLoading } = select( STORE_KEY );
+		const filters = getFilters();
+
+		return {
+			filters,
+			isLoading: isLoading(),
+		};
+	} ),
+	withDispatch( ( dispatch ) => {
+		const { saveFilter, deleteFilter, toggleFilter } = dispatch(
+			STORE_KEY
+		);
+
+		return {
+			saveFilter,
+			deleteFilter,
+			toggleFilter,
+		};
+	} )
+)( RestAPIFilters );