Posts: Add getSitePosts selector to Redux posts state

Automattic · Feb 29, 2016 · b91d791 · b91d791
1 parent ed1dc6e
commit b91d791
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Showing 2 changed files with 33 additions and 0 deletions.
diff --git a/client/state/posts/selectors.js b/client/state/posts/selectors.js
@@ -3,6 +3,7 @@
  */
 import range from 'lodash/range';
 import createSelector from 'lib/create-selector';
+import filter from 'lodash/filter';
 
 /**
  * Internal dependencies
@@ -25,6 +26,18 @@ export function getPost( state, globalId ) {
 	return state.posts.items[ globalId ];
 }
 
+/**
+ * Returns an array of post objects by site ID.
+ *
+ * @param  {Object} state  Global state tree
+ * @param  {Number} siteId Site ID
+ * @return {Array}         Site posts
+ */
+export const getSitePosts = createSelector(
+	( state, siteId ) => filter( state.posts.items, { site_ID: siteId } ),
+	( state ) => [ state.posts.items ]
+);
+
 /**
  * Returns true if the specified posts query is being tracked for the site, or
  * false otherwise.

diff --git a/client/state/posts/test/selectors.js b/client/state/posts/test/selectors.js
@@ -8,6 +8,7 @@ import { expect } from 'chai';
  */
 import {
 	getPost,
+	getSitePosts,
 	isTrackingSitePostsQuery,
 	getSitePostsForQuery,
 	isRequestingSitePostsForQuery,
@@ -33,6 +34,25 @@ describe( 'selectors', () => {
 		} );
 	} );
 
+	describe( '#getSitePosts()', () => {
+		it( 'should return an array of post objects for the site', () => {
+			const state = {
+				posts: {
+					items: {
+						'3d097cb7c5473c169bba0eb8e3c6cb64': { ID: 841, site_ID: 2916284, global_ID: '3d097cb7c5473c169bba0eb8e3c6cb64', title: 'Hello World' },
+						'6c831c187ffef321eb43a67761a525a3': { ID: 413, site_ID: 2916284, global_ID: '6c831c187ffef321eb43a67761a525a3', title: 'Ribs & Chicken' },
+						'0fcb4eb16f493c19b627438fdc18d57c': { ID: 120, site_ID: 77203074, global_ID: 'f0cb4eb16f493c19b627438fdc18d57c', title: 'Steak & Eggs' }
+					}
+				}
+			};
+
+			expect( getSitePosts( state, 2916284 ) ).to.have.members( [
+				state.posts.items[ '3d097cb7c5473c169bba0eb8e3c6cb64' ],
+				state.posts.items[ '6c831c187ffef321eb43a67761a525a3' ]
+			] );
+		} );
+	} );
+
 	describe( '#isTrackingSitePostsQuery()', () => {
 		it( 'should return false if the site has not been queried', () => {
 			const isTracking = isTrackingSitePostsQuery( {