Added data source type to explore state

packages/grafana-ui/src/types/datasource.ts

@@ -25,6 +25,24 @@ export interface DataQueryOptions {
   scopedVars: object;
 }
 
+export interface QueryFix {
+  type: string;
+  label: string;
+  action?: QueryFixAction;
+}
+
+export interface QueryFixAction {
+  type: string;
+  query?: string;
+  preventSubmit?: boolean;
+}
+
+export interface QueryHint {
+  type: string;
+  label: string;
+  fix?: QueryFix;
+}
+
 export interface DataSourceApi {
   name: string;
   meta: PluginMeta;
@@ -54,6 +72,11 @@ export interface DataSourceApi {
    * Test & verify datasource settings & connection details
    */
   testDatasource(): Promise<any>;
+
+  /**
+   *  Get hints for query improvements
+   */
+  getQueryHints(query: DataQuery, results: any[], ...rest: any): QueryHint[];
 }
 
 export interface DataSourceSettings {
@@ -82,4 +105,3 @@ export interface DataSourceSelectItem {
   meta: PluginMeta;
   sort: string;
 }
-

public/app/features/explore/QueryRow.tsx

@@ -19,9 +19,9 @@ import {
 } from './state/actions';
 
 // Types
-import { RawTimeRange, DataQuery } from '@grafana/ui';
 import { StoreState } from 'app/types';
-import { QueryTransaction, HistoryItem, QueryHint, ExploreItemState, ExploreId } from 'app/types/explore';
+import { RawTimeRange, DataQuery, QueryHint } from '@grafana/ui';
+import { QueryTransaction, HistoryItem, ExploreItemState, ExploreId } from 'app/types/explore';
 import { Emitter } from 'app/core/utils/emitter';
 
 function getFirstHintFromTransactions(transactions: QueryTransaction[]): QueryHint {

public/app/features/explore/state/actions.ts

+// Libraries
 import _ from 'lodash';
 import { ThunkAction } from 'redux-thunk';
-import { RawTimeRange, TimeRange } from '@grafana/ui';
 
+// Services & Utils
+import store from 'app/core/store';
 import {
   LAST_USED_DATASOURCE_KEY,
   clearQueryKeys,
@@ -14,10 +16,12 @@ import {
   serializeStateToUrlParam,
 } from 'app/core/utils/explore';
 
+// Actions
 import { updateLocation } from 'app/core/actions';
-import store from 'app/core/store';
+
+// Types
 import { StoreState } from 'app/types';
-import { DataQuery, DataSourceSelectItem } from '@grafana/ui/src/types';
+import { DataQuery, DataSourceSelectItem, QueryHint  } from '@grafana/ui/src/types';
 import { getDatasourceSrv } from 'app/features/plugins/datasource_srv';
 import {
   ExploreId,
@@ -26,11 +30,10 @@ import {
   ResultType,
   QueryOptions,
   QueryTransaction,
-  QueryHint,
-  QueryHintGetter,
 } from 'app/types/explore';
-import { Emitter } from 'app/core/core';
 
+import { Emitter } from 'app/core/core';
+import { RawTimeRange, TimeRange } from '@grafana/ui';
 import {
   Action as ThunkableAction,
   ActionTypes,
@@ -45,6 +48,7 @@ import {
   ScanStopAction,
 } from './actionTypes';
 
+
 type ThunkResult<R> = ThunkAction<R, StoreState, undefined, ThunkableAction>;
 
 /**
@@ -460,7 +464,7 @@ export function queryTransactionSuccess(
 
     // Get query hints
     let hints: QueryHint[];
-    if (datasourceInstance.getQueryHints as QueryHintGetter) {
+    if (datasourceInstance.getQueryHints) {
       hints = datasourceInstance.getQueryHints(transaction.query, result);
     }
 

public/app/plugins/datasource/prometheus/query_hints.ts

 import _ from 'lodash';
-
-import { QueryHint } from 'app/types/explore';
+import { QueryHint } from '@grafana/ui/src/types';
 
 /**
  * Number of time series results needed before starting to suggest sum aggregation hints

public/app/types/explore.ts

 import { Value } from 'slate';
-import { RawTimeRange, TimeRange, DataQuery, DataSourceSelectItem } from '@grafana/ui';
+import { RawTimeRange, TimeRange, DataQuery, DataSourceSelectItem, DataSourceApi, QueryHint } from '@grafana/ui';
 
 import { Emitter } from 'app/core/core';
 import { LogsModel } from 'app/core/logs_model';
@@ -110,7 +110,7 @@ export interface ExploreItemState {
   /**
    * Datasource instance that has been selected. Datasource-specific logic can be run on this object.
    */
-  datasourceInstance: any;
+  datasourceInstance: DataSourceApi;
   /**
    * Error to be shown when datasource loading or testing failed.
    */
@@ -273,28 +273,6 @@ export interface TypeaheadOutput {
   suggestions: CompletionItemGroup[];
 }
 
-export interface QueryFix {
-  type: string;
-  label: string;
-  action?: QueryFixAction;
-}
-
-export interface QueryFixAction {
-  type: string;
-  query?: string;
-  preventSubmit?: boolean;
-}
-
-export interface QueryHint {
-  type: string;
-  label: string;
-  fix?: QueryFix;
-}
-
-export interface QueryHintGetter {
-  (query: DataQuery, results: any[], ...rest: any): QueryHint[];
-}
-
 export interface QueryIntervals {
   interval: string;
   intervalMs: number;