[Maps] add attribution to layer editor

x-pack/plugins/maps/common/descriptor_types/layer_descriptor_types.ts

@@ -16,6 +16,11 @@ import {
 import { DataRequestDescriptor } from './data_request_descriptor_types';
 import { AbstractSourceDescriptor, TermJoinSourceDescriptor } from './source_descriptor_types';
 
+export type Attribution = {
+  label: string;
+  url: string;
+};
+
 export type JoinDescriptor = {
   leftField?: string;
   right: TermJoinSourceDescriptor;
@@ -29,6 +34,7 @@ export type LayerDescriptor = {
   __trackedLayerDescriptor?: LayerDescriptor;
   __areTilesLoaded?: boolean;
   alpha?: number;
+  attribution?: Attribution;
   id: string;
   joins?: JoinDescriptor[];
   label?: string | null;

x-pack/plugins/maps/common/descriptor_types/source_descriptor_types.ts

@@ -19,11 +19,6 @@ import {
   SOURCE_TYPES,
 } from '../constants';
 
-export type AttributionDescriptor = {
-  attributionText?: string;
-  attributionUrl?: string;
-};
-
 export type AbstractSourceDescriptor = {
   id?: string;
   type: string;
@@ -129,14 +124,11 @@ export type WMSSourceDescriptor = AbstractSourceDescriptor & {
   serviceUrl: string;
   layers: string;
   styles: string;
-  attributionText: string;
-  attributionUrl: string;
 };
 
-export type XYZTMSSourceDescriptor = AbstractSourceDescriptor &
-  AttributionDescriptor & {
-    urlTemplate: string;
-  };
+export type XYZTMSSourceDescriptor = AbstractSourceDescriptor & {
+  urlTemplate: string;
+};
 
 export type MVTFieldDescriptor = {
   name: string;

x-pack/plugins/maps/common/migrations/move_attribution.test.ts

@@ -0,0 +1,67 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { moveAttribution } from './move_attribution';
+import { LayerDescriptor } from '../descriptor_types';
+
+test('Should handle missing layerListJSON attribute', () => {
+  const attributes = {
+    title: 'my map',
+  };
+  expect(moveAttribution({ attributes })).toEqual({
+    title: 'my map',
+  });
+});
+
+test('Should migrate source attribution to layer attribution', () => {
+  const layerListJSON = JSON.stringify(([
+    {
+      sourceDescriptor: {
+        attributionText: 'myLabel',
+        attributionUrl: 'myUrl',
+        id: 'mySourceId',
+      },
+    },
+  ] as unknown) as LayerDescriptor[]);
+
+  const attributes = {
+    title: 'my map',
+    layerListJSON,
+  };
+
+  const { layerListJSON: migratedLayerListJSON } = moveAttribution({ attributes });
+  const migratedLayerList = JSON.parse(migratedLayerListJSON!);
+  expect(migratedLayerList).toEqual([
+    {
+      attribution: { label: 'myLabel', url: 'myUrl' },
+      sourceDescriptor: { id: 'mySourceId' },
+    },
+  ]);
+});
+
+test('Should not add attribution to layer when source does not provide attribution', () => {
+  const layerListJSON = JSON.stringify(([
+    {
+      sourceDescriptor: {
+        id: 'mySourceId',
+      },
+    },
+  ] as unknown) as LayerDescriptor[]);
+
+  const attributes = {
+    title: 'my map',
+    layerListJSON,
+  };
+
+  const { layerListJSON: migratedLayerListJSON } = moveAttribution({ attributes });
+  const migratedLayerList = JSON.parse(migratedLayerListJSON!);
+  expect(migratedLayerList).toEqual([
+    {
+      sourceDescriptor: { id: 'mySourceId' },
+    },
+  ]);
+});

x-pack/plugins/maps/common/migrations/move_attribution.ts

@@ -0,0 +1,42 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { MapSavedObjectAttributes } from '../map_saved_object_type';
+import { LayerDescriptor } from '../descriptor_types';
+
+// In 7.14, attribution added to the layer_descriptor. Prior to 7.14, 2 sources, WMS and TMS, had attribution on source descriptor.
+export function moveAttribution({
+  attributes,
+}: {
+  attributes: MapSavedObjectAttributes;
+}): MapSavedObjectAttributes {
+  if (!attributes || !attributes.layerListJSON) {
+    return attributes;
+  }
+
+  const layerList: LayerDescriptor[] = JSON.parse(attributes.layerListJSON);
+
+  layerList.forEach((layer: LayerDescriptor) => {
+    const sourceDescriptor = layer.sourceDescriptor as {
+      attributionText?: string;
+      attributionUrl?: string;
+    };
+    if (sourceDescriptor.attributionText && sourceDescriptor.attributionUrl) {
+      layer.attribution = {
+        label: sourceDescriptor.attributionText,
+        url: sourceDescriptor.attributionUrl,
+      };
+      delete sourceDescriptor.attributionText;
+      delete sourceDescriptor.attributionUrl;
+    }
+  });
+
+  return {
+    ...attributes,
+    layerListJSON: JSON.stringify(layerList),
+  };
+}

x-pack/plugins/maps/public/actions/layer_actions.ts

@@ -24,6 +24,7 @@ import { updateFlyout } from './ui_actions';
 import {
   ADD_LAYER,
   ADD_WAITING_FOR_MAP_READY_LAYER,
+  CLEAR_LAYER_PROP,
   CLEAR_WAITING_FOR_MAP_READY_LAYER_LIST,
   REMOVE_LAYER,
   REMOVE_TRACKED_LAYER_STATE,
@@ -40,7 +41,12 @@ import {
 } from './map_action_constants';
 import { clearDataRequests, syncDataForLayerId, updateStyleMeta } from './data_request_actions';
 import { cleanTooltipStateForLayer } from './tooltip_actions';
-import { JoinDescriptor, LayerDescriptor, StyleDescriptor } from '../../common/descriptor_types';
+import {
+  Attribution,
+  JoinDescriptor,
+  LayerDescriptor,
+  StyleDescriptor,
+} from '../../common/descriptor_types';
 import { ILayer } from '../classes/layers/layer';
 import { IVectorLayer } from '../classes/layers/vector_layer';
 import { LAYER_STYLE_TYPE, LAYER_TYPE } from '../../common/constants';
@@ -349,6 +355,23 @@ export function updateLayerLabel(id: string, newLabel: string) {
   };
 }
 
+export function setLayerAttribution(id: string, attribution: Attribution) {
+  return {
+    type: UPDATE_LAYER_PROP,
+    id,
+    propName: 'attribution',
+    newValue: attribution,
+  };
+}
+
+export function clearLayerAttribution(id: string) {
+  return {
+    type: CLEAR_LAYER_PROP,
+    id,
+    propName: 'attribution',
+  };
+}
+
 export function updateLayerMinZoom(id: string, minZoom: number) {
   return {
     type: UPDATE_LAYER_PROP,

x-pack/plugins/maps/public/actions/map_action_constants.ts

@@ -10,6 +10,7 @@ export const UPDATE_LAYER_ORDER = 'UPDATE_LAYER_ORDER';
 export const ADD_LAYER = 'ADD_LAYER';
 export const SET_LAYER_ERROR_STATUS = 'SET_LAYER_ERROR_STATUS';
 export const ADD_WAITING_FOR_MAP_READY_LAYER = 'ADD_WAITING_FOR_MAP_READY_LAYER';
+export const CLEAR_LAYER_PROP = 'CLEAR_LAYER_PROP';
 export const CLEAR_WAITING_FOR_MAP_READY_LAYER_LIST = 'CLEAR_WAITING_FOR_MAP_READY_LAYER_LIST';
 export const REMOVE_LAYER = 'REMOVE_LAYER';
 export const SET_LAYER_VISIBILITY = 'SET_LAYER_VISIBILITY';

x-pack/plugins/maps/public/classes/layers/layer.tsx

@@ -30,13 +30,14 @@ import {
 import { copyPersistentState } from '../../reducers/copy_persistent_state';
 import {
   AggDescriptor,
+  Attribution,
   ESTermSourceDescriptor,
   JoinDescriptor,
   LayerDescriptor,
   MapExtent,
   StyleDescriptor,
 } from '../../../common/descriptor_types';
-import { Attribution, ImmutableSourceProperty, ISource, SourceEditorArgs } from '../sources/source';
+import { ImmutableSourceProperty, ISource, SourceEditorArgs } from '../sources/source';
 import { DataRequestContext } from '../../actions';
 import { IStyle } from '../styles/style';
 import { getJoinAggKey } from '../../../common/get_agg_key';
@@ -99,6 +100,7 @@ export interface ILayer {
   isFittable(): Promise<boolean>;
   getLicensedFeatures(): Promise<LICENSED_FEATURES[]>;
   getCustomIconAndTooltipContent(): CustomIconAndTooltipContent;
+  getDescriptor(): LayerDescriptor;
 }
 
 export type CustomIconAndTooltipContent = {
@@ -156,6 +158,10 @@ export class AbstractLayer implements ILayer {
     return mbStyle.sources[sourceId].data;
   }
 
+  getDescriptor(): LayerDescriptor {
+    return this._descriptor;
+  }
+
   async cloneDescriptor(): Promise<LayerDescriptor> {
     const clonedDescriptor = copyPersistentState(this._descriptor);
     // layer id is uuid used to track styles/layers in mapbox
@@ -259,10 +265,16 @@ export class AbstractLayer implements ILayer {
   }
 
   async getAttributions(): Promise<Attribution[]> {
-    if (!this.hasErrors()) {
-      return await this.getSource().getAttributions();
+    if (this.hasErrors() || !this.isVisible()) {
+      return [];
     }
-    return [];
+
+    const attributionProvider = this.getSource().getAttributionProvider();
+    if (attributionProvider) {
+      return attributionProvider();
+    }
+
+    return this._descriptor.attribution !== undefined ? [this._descriptor.attribution] : [];
   }
 
   getStyleForEditing(): IStyle {

x-pack/plugins/maps/public/classes/sources/ems_file_source/ems_file_source.tsx

@@ -10,7 +10,7 @@ import { i18n } from '@kbn/i18n';
 import { Feature } from 'geojson';
 import { Adapters } from 'src/plugins/inspector/public';
 import { FileLayer } from '@elastic/ems-client';
-import { Attribution, ImmutableSourceProperty, SourceEditorArgs } from '../source';
+import { ImmutableSourceProperty, SourceEditorArgs } from '../source';
 import { AbstractVectorSource, GeoJsonWithMeta, IVectorSource } from '../vector_source';
 import { SOURCE_TYPES, FIELD_ORIGIN, VECTOR_SHAPE_TYPE } from '../../../../common/constants';
 import { getEmsFileLayers } from '../../../util';
@@ -183,9 +183,11 @@ export class EMSFileSource extends AbstractVectorSource implements IEmsFileSourc
     }
   }
 
-  async getAttributions(): Promise<Attribution[]> {
-    const emsFileLayer = await this.getEMSFileLayer();
-    return emsFileLayer.getAttributions();
+  getAttributionProvider() {
+    return async () => {
+      const emsFileLayer = await this.getEMSFileLayer();
+      return emsFileLayer.getAttributions();
+    };
   }
 
   async getLeftJoinFields() {

x-pack/plugins/maps/public/classes/sources/ems_tms_source/ems_tms_source.js

@@ -113,13 +113,15 @@ export class EMSTMSSource extends AbstractTMSSource {
     }
   }
 
-  async getAttributions() {
-    const emsTMSService = await this._getEMSTMSService();
-    const markdown = emsTMSService.getMarkdownAttribution();
-    if (!markdown) {
-      return [];
-    }
-    return this.convertMarkdownLinkToObjectArr(markdown);
+  getAttributionProvider() {
+    return async () => {
+      const emsTMSService = await this._getEMSTMSService();
+      const markdown = emsTMSService.getMarkdownAttribution();
+      if (!markdown) {
+        return [];
+      }
+      return this.convertMarkdownLinkToObjectArr(markdown);
+    };
   }
 
   async getUrlTemplate() {

x-pack/plugins/maps/public/classes/sources/ems_tms_source/ems_tms_source.test.js

@@ -42,7 +42,8 @@ describe('EMSTMSSource', () => {
       id: 'road_map',
     });
 
-    const attributions = await emsTmsSource.getAttributions();
+    const attributionProvider = emsTmsSource.getAttributionProvider();
+    const attributions = await attributionProvider();
     expect(attributions).toEqual([
       {
         label: 'foobar',

x-pack/plugins/maps/public/classes/sources/kibana_tilemap_source/kibana_tilemap_source.js

@@ -53,11 +53,13 @@ export class KibanaTilemapSource extends AbstractTMSSource {
     return tilemap.url;
   }
 
-  async getAttributions() {
-    const tilemap = getKibanaTileMap();
-    const markdown = _.get(tilemap, 'options.attribution', '');
-    const objArr = this.convertMarkdownLinkToObjectArr(markdown);
-    return objArr;
+  getAttributionProvider() {
+    return async () => {
+      const tilemap = getKibanaTileMap();
+      const markdown = _.get(tilemap, 'options.attribution', '');
+      const objArr = this.convertMarkdownLinkToObjectArr(markdown);
+      return objArr;
+    };
   }
 
   async getDisplayName() {

x-pack/plugins/maps/public/classes/sources/source.ts

@@ -15,7 +15,7 @@ import { copyPersistentState } from '../../reducers/copy_persistent_state';
 
 import { IField } from '../fields/field';
 import { FieldFormatter, MAX_ZOOM, MIN_ZOOM } from '../../../common/constants';
-import { AbstractSourceDescriptor } from '../../../common/descriptor_types';
+import { AbstractSourceDescriptor, Attribution } from '../../../common/descriptor_types';
 import { OnSourceChangeArgs } from '../../connected_components/layer_panel/view';
 import { LICENSED_FEATURES } from '../../licensed_features';
 import { PreIndexedShape } from '../../../common/elasticsearch_util';
@@ -31,11 +31,6 @@ export type ImmutableSourceProperty = {
   link?: string;
 };
 
-export type Attribution = {
-  url: string;
-  label: string;
-};
-
 export interface ISource {
   destroy(): void;
   getDisplayName(): Promise<string>;
@@ -47,7 +42,7 @@ export interface ISource {
   isRefreshTimerAware(): boolean;
   isTimeAware(): Promise<boolean>;
   getImmutableProperties(): Promise<ImmutableSourceProperty[]>;
-  getAttributions(): Promise<Attribution[]>;
+  getAttributionProvider(): (() => Promise<Attribution[]>) | null;
   isESSource(): boolean;
   renderSourceSettingsEditor(sourceEditorArgs: SourceEditorArgs): ReactElement<any> | null;
   supportsFitToBounds(): Promise<boolean>;
@@ -103,8 +98,8 @@ export class AbstractSource implements ISource {
     return '';
   }
 
-  async getAttributions(): Promise<Attribution[]> {
-    return [];
+  getAttributionProvider(): (() => Promise<Attribution[]>) | null {
+    return null;
   }
 
   isFieldAware(): boolean {