[7.x] Update IndexPatternSelect to get fields from indexPatternService instead of savedObject attributes (#84376)

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.indexpatternsservice.find.md

@@ -0,0 +1,11 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-plugins-data-public](./kibana-plugin-plugins-data-public.md) &gt; [IndexPatternsService](./kibana-plugin-plugins-data-public.indexpatternsservice.md) &gt; [find](./kibana-plugin-plugins-data-public.indexpatternsservice.find.md)
+
+## IndexPatternsService.find property
+
+<b>Signature:</b>
+
+```typescript
+find: (search: string, size?: number) => Promise<IndexPattern[]>;
+```

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.indexpatternsservice.md

@@ -23,6 +23,7 @@ export declare class IndexPatternsService
 |  [clearCache](./kibana-plugin-plugins-data-public.indexpatternsservice.clearcache.md) |  | <code>(id?: string &#124; undefined) =&gt; void</code> | Clear index pattern list cache |
 |  [ensureDefaultIndexPattern](./kibana-plugin-plugins-data-public.indexpatternsservice.ensuredefaultindexpattern.md) |  | <code>EnsureDefaultIndexPattern</code> |  |
 |  [fieldArrayToMap](./kibana-plugin-plugins-data-public.indexpatternsservice.fieldarraytomap.md) |  | <code>(fields: FieldSpec[], fieldAttrs?: FieldAttrs &#124; undefined) =&gt; Record&lt;string, FieldSpec&gt;</code> | Converts field array to map |
+|  [find](./kibana-plugin-plugins-data-public.indexpatternsservice.find.md) |  | <code>(search: string, size?: number) =&gt; Promise&lt;IndexPattern[]&gt;</code> |  |
 |  [get](./kibana-plugin-plugins-data-public.indexpatternsservice.get.md) |  | <code>(id: string) =&gt; Promise&lt;IndexPattern&gt;</code> | Get an index pattern by id. Cache optimized |
 |  [getCache](./kibana-plugin-plugins-data-public.indexpatternsservice.getcache.md) |  | <code>() =&gt; Promise&lt;SavedObject&lt;IndexPatternSavedObjectAttrs&gt;[] &#124; null &#124; undefined&gt;</code> |  |
 |  [getDefault](./kibana-plugin-plugins-data-public.indexpatternsservice.getdefault.md) |  | <code>() =&gt; Promise&lt;IndexPattern &#124; null&gt;</code> | Get default index pattern |

src/plugins/data/common/index_patterns/index_patterns/index_patterns.ts

@@ -140,6 +140,20 @@ export class IndexPatternsService {
     return this.savedObjectsCache.map((obj) => obj?.attributes?.title);
   };
 
+  find = async (search: string, size: number = 10): Promise<IndexPattern[]> => {
+    const savedObjects = await this.savedObjectsClient.find<IndexPatternSavedObjectAttrs>({
+      type: 'index-pattern',
+      fields: ['title'],
+      search,
+      searchFields: ['title'],
+      perPage: size,
+    });
+    const getIndexPatternPromises = savedObjects.map(async (savedObject) => {
+      return await this.get(savedObject.id);
+    });
+    return await Promise.all(getIndexPatternPromises);
+  };
+
   /**
    * Get list of index pattern ids with titles
    * @param refresh Force refresh of index pattern list

src/plugins/data/public/plugin.ts

@@ -234,7 +234,7 @@ export class DataPublicPlugin
     return {
       ...dataServices,
       ui: {
-        IndexPatternSelect: createIndexPatternSelect(core.savedObjects.client),
+        IndexPatternSelect: createIndexPatternSelect(indexPatterns),
         SearchBar,
       },
     };

src/plugins/data/public/public.api.md

@@ -1402,6 +1402,8 @@ export class IndexPatternsService {
     // (undocumented)
     ensureDefaultIndexPattern: EnsureDefaultIndexPattern;
     fieldArrayToMap: (fields: FieldSpec[], fieldAttrs?: FieldAttrs | undefined) => Record<string, FieldSpec>;
+    // (undocumented)
+    find: (search: string, size?: number) => Promise<IndexPattern[]>;
     get: (id: string) => Promise<IndexPattern>;
     // Warning: (ae-forgotten-export) The symbol "IndexPatternSavedObjectAttrs" needs to be exported by the entry point index.d.ts
     //

src/plugins/data/public/ui/index_pattern_select/create_index_pattern_select.tsx

@@ -20,12 +20,12 @@
 import _ from 'lodash';
 import React from 'react';
 
-import { SavedObjectsClientContract } from 'src/core/public';
+import { IndexPatternsContract } from 'src/plugins/data/public';
 import { IndexPatternSelect, IndexPatternSelectProps } from './';
 
 // Takes in stateful runtime dependencies and pre-wires them to the component
-export function createIndexPatternSelect(savedObjectsClient: SavedObjectsClientContract) {
+export function createIndexPatternSelect(indexPatternService: IndexPatternsContract) {
   return (props: IndexPatternSelectProps) => (
-    <IndexPatternSelect {...props} savedObjectsClient={savedObjectsClient} />
+    <IndexPatternSelect {...props} indexPatternService={indexPatternService} />
   );
 }

src/plugins/data/public/ui/index_pattern_select/index_pattern_select.tsx

@@ -23,8 +23,7 @@ import React, { Component } from 'react';
 import { Required } from '@kbn/utility-types';
 import { EuiComboBox, EuiComboBoxProps } from '@elastic/eui';
 
-import { SavedObjectsClientContract, SimpleSavedObject } from 'src/core/public';
-import { getTitle } from '../../../common/index_patterns/lib';
+import { IndexPatternsContract } from 'src/plugins/data/public';
 
 export type IndexPatternSelectProps = Required<
   Omit<
@@ -40,7 +39,7 @@ export type IndexPatternSelectProps = Required<
 };
 
 export type IndexPatternSelectInternalProps = IndexPatternSelectProps & {
-  savedObjectsClient: SavedObjectsClientContract;
+  indexPatternService: IndexPatternsContract;
 };
 
 interface IndexPatternSelectState {
@@ -50,21 +49,6 @@ interface IndexPatternSelectState {
   searchValue: string | undefined;
 }
 
-const getIndexPatterns = async (
-  client: SavedObjectsClientContract,
-  search: string,
-  fields: string[]
-) => {
-  const resp = await client.find({
-    type: 'index-pattern',
-    fields,
-    search: `${search}*`,
-    searchFields: ['title'],
-    perPage: 100,
-  });
-  return resp.savedObjects;
-};
-
 // Needed for React.lazy
 // eslint-disable-next-line import/no-default-export
 export default class IndexPatternSelect extends Component<IndexPatternSelectInternalProps> {
@@ -109,7 +93,8 @@ export default class IndexPatternSelect extends Component<IndexPatternSelectInte
 
     let indexPatternTitle;
     try {
-      indexPatternTitle = await getTitle(this.props.savedObjectsClient, indexPatternId);
+      const indexPattern = await this.props.indexPatternService.get(indexPatternId);
+      indexPatternTitle = indexPattern.title;
     } catch (err) {
       // index pattern no longer exists
       return;
@@ -128,49 +113,36 @@ export default class IndexPatternSelect extends Component<IndexPatternSelectInte
   };
 
   debouncedFetch = _.debounce(async (searchValue: string) => {
-    const { fieldTypes, onNoIndexPatterns, savedObjectsClient } = this.props;
-
-    const savedObjectFields = ['title'];
-    if (fieldTypes) {
-      savedObjectFields.push('fields');
-    }
-    let savedObjects = await getIndexPatterns(savedObjectsClient, searchValue, savedObjectFields);
-
-    if (fieldTypes) {
-      savedObjects = savedObjects.filter((savedObject: SimpleSavedObject<any>) => {
-        try {
-          const indexPatternFields = JSON.parse(savedObject.attributes.fields as any);
-          return indexPatternFields.some((field: any) => {
-            return fieldTypes?.includes(field.type);
-          });
-        } catch (err) {
-          // Unable to parse fields JSON, invalid index pattern
-          return false;
-        }
-      });
-    }
+    const { fieldTypes, onNoIndexPatterns, indexPatternService } = this.props;
+    const indexPatterns = await indexPatternService.find(`${searchValue}*`, 100);
 
-    if (!this.isMounted) {
+    // We need this check to handle the case where search results come back in a different
+    // order than they were sent out. Only load results for the most recent search.
+    if (searchValue !== this.state.searchValue || !this.isMounted) {
       return;
     }
 
-    // We need this check to handle the case where search results come back in a different
-    // order than they were sent out. Only load results for the most recent search.
-    if (searchValue === this.state.searchValue) {
-      const options = savedObjects.map((indexPatternSavedObject: SimpleSavedObject<any>) => {
+    const options = indexPatterns
+      .filter((indexPattern) => {
+        return fieldTypes
+          ? indexPattern.fields.some((field) => {
+              return fieldTypes.includes(field.type);
+            })
+          : true;
+      })
+      .map((indexPattern) => {
         return {
-          label: indexPatternSavedObject.attributes.title,
-          value: indexPatternSavedObject.id,
+          label: indexPattern.title,
+          value: indexPattern.id,
         };
       });
-      this.setState({
-        isLoading: false,
-        options,
-      });
+    this.setState({
+      isLoading: false,
+      options,
+    });
 
-      if (onNoIndexPatterns && searchValue === '' && options.length === 0) {
-        onNoIndexPatterns();
-      }
+    if (onNoIndexPatterns && searchValue === '' && options.length === 0) {
+      onNoIndexPatterns();
     }
   }, 300);
 
@@ -195,7 +167,7 @@ export default class IndexPatternSelect extends Component<IndexPatternSelectInte
       indexPatternId,
       placeholder,
       onNoIndexPatterns,
-      savedObjectsClient,
+      indexPatternService,
       ...rest
     } = this.props;