Stats: use Redux for Post Trends

client/my-sites/stats/post-trends/day.jsx

@@ -17,6 +17,7 @@ import {
 	getSiteStatsPostsCountByDay,
 	getSiteStatsMaxPostsByDay
 } from 'state/stats/lists/selectors';
+import { getStatsStreakQuery } from 'state/stats/lists/utils';
 
 const PostTrendsDay = React.createClass( {
 
@@ -117,10 +118,7 @@ const PostTrendsDay = React.createClass( {
 
 export default connect( ( state, ownProps ) => {
 	const siteId = getSelectedSiteId( state );
-	const query = {
-		startDate: i18n.moment().subtract( 1, 'year' ).startOf( 'month' ).format( 'YYYY-MM-DD' ),
-		endDate: i18n.moment().endOf( 'month' ).format( 'YYYY-MM-DD' )
-	};
+	const query = getStatsStreakQuery();
 
 	return {
 		postCount: getSiteStatsPostsCountByDay( state, siteId, query, ownProps.date.format( 'YYYY-MM-DD' ) ),

client/my-sites/stats/post-trends/index.jsx

@@ -19,6 +19,7 @@ import { getSelectedSiteId } from 'state/ui/selectors';
 import {
 	isRequestingSiteStatsForQuery
 } from 'state/stats/lists/selectors';
+import { getStatsStreakQuery } from 'state/stats/lists/utils';
 
 const PostTrends = React.createClass( {
 
@@ -176,10 +177,7 @@ const PostTrends = React.createClass( {
 
 export default connect( ( state ) => {
 	const siteId = getSelectedSiteId( state );
-	const query = {
-		startDate: i18n.moment().subtract( 1, 'year' ).startOf( 'month' ).format( 'YYYY-MM-DD' ),
-		endDate: i18n.moment().endOf( 'month' ).format( 'YYYY-MM-DD' )
-	};
+	const query = getStatsStreakQuery();
 
 	return {
 		requesting: isRequestingSiteStatsForQuery( state, siteId, 'statsStreak', query ),

client/state/stats/lists/test/utils.js

@@ -2,12 +2,14 @@
  * External dependencies
  */
 import { expect } from 'chai';
+import i18n from 'i18n-calypso';
 
 /**
  * Internal dependencies
  */
 import {
-	getSerializedStatsQuery
+	getSerializedStatsQuery,
+	getStatsStreakQuery
 } from '../utils';
 
 describe( 'utils', () => {
@@ -35,4 +37,29 @@ describe( 'utils', () => {
 			expect( serializedQuery ).to.eql( serializedQueryTwo );
 		} );
 	} );
+
+	describe( 'getStatsStreakQuery()', () => {
+		it( 'should return the correct default query', () => {
+			const streakQuery = getStatsStreakQuery( {} );
+
+			expect( streakQuery ).to.eql( {
+				startDate: i18n.moment().subtract( 1, 'year' ).startOf( 'month' ).format( 'YYYY-MM-DD' ),
+				endDate: i18n.moment().endOf( 'month' ).format( 'YYYY-MM-DD' ),
+				max: 3000
+			} );
+		} );
+
+		it( 'should allow defaults to be over-ridden', () => {
+			const streakQuery = getStatsStreakQuery( {
+				startDate: '1999-12-31',
+				endDate: 'out-of-time'
+			} );
+
+			expect( streakQuery ).to.eql( {
+				startDate: '1999-12-31',
+				endDate: 'out-of-time',
+				max: 3000
+			} );
+		} );
+	} );
 } );

client/state/stats/lists/utils.js

@@ -3,6 +3,7 @@
  */
 import sortBy from 'lodash/sortBy';
 import toPairs from 'lodash/toPairs';
+import i18n from 'i18n-calypso';
 
 /**
  * Returns a serialized stats query, used as the key in the
@@ -14,3 +15,19 @@ import toPairs from 'lodash/toPairs';
 export function getSerializedStatsQuery( query = {} ) {
 	return JSON.stringify( sortBy( toPairs( query ), ( pair ) => pair[ 0 ] ) );
 }
+
+/**
+ * Returns a standard query for use with the `statsStreak` endpoint
+ *
+ * @param  {Object} query    Query options
+ * @return {String}          Serialized stats query
+ */
+export function getStatsStreakQuery( query = {} ) {
+	const defaultQuery = {
+		startDate: i18n.moment().subtract( 1, 'year' ).startOf( 'month' ).format( 'YYYY-MM-DD' ),
+		endDate: i18n.moment().endOf( 'month' ).format( 'YYYY-MM-DD' ),
+		max: 3000
+	};
+
+	return Object.assign( {}, defaultQuery, query );
+}