From 43a4d55aa2ed856441ca7f9d1c238309e8d5503c Mon Sep 17 00:00:00 2001
From: Kimmo Puputti <git@kimmo.kpuputti.fi>
Date: Thu, 23 Feb 2017 12:02:01 +0200
Subject: [PATCH] Add selector for listings

---
 src/ducks/sdk.duck.js | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/ducks/sdk.duck.js b/src/ducks/sdk.duck.js
index eae6302f..2150f956 100644
--- a/src/ducks/sdk.duck.js
+++ b/src/ducks/sdk.duck.js
@@ -1,6 +1,6 @@
 /* eslint-disable no-constant-condition, no-console */
 import { call, put, take, fork } from 'redux-saga/effects';
-import { updatedEntities } from '../util/data';
+import { updatedEntities, denormalisedEntities } from '../util/data';
 
 const requestAction = actionType => params => ({ type: actionType, payload: { params } });
 
@@ -96,24 +96,44 @@ export default function sdkReducer(state = initialState, action = {}) {
   }
 }
 
+// ================ Selectors ================ //
+
+/**
+ * Get the denormalised listing entities with the given IDs
+ *
+ * @param {Object} data the state part of the Redux store for this SDK reducer
+ * @param {Array<UUID>} listingIds listing IDs to select from the store
+ */
+export const getListingsById = (data, listingIds) =>
+  denormalisedEntities(data.entities, 'listing', listingIds);
+
 // ================ Action creators ================ //
 
+// All the action creators that don't have the {Success, Error} suffix
+// take the params object that the corresponding SDK endpoint method
+// expects.
+
+// SDK method: listings.show
 export const showListings = requestAction(SHOW_LISTINGS_REQUEST);
 export const showListingsSuccess = successAction(SHOW_LISTINGS_SUCCESS);
 export const showListingsError = errorAction(SHOW_LISTINGS_ERROR);
 
+// SDK method: listings.query
 export const queryListings = requestAction(QUERY_LISTINGS_REQUEST);
 export const queryListingsSuccess = successAction(QUERY_LISTINGS_SUCCESS);
 export const queryListingsError = errorAction(QUERY_LISTINGS_ERROR);
 
+// SDK method: listings.search
 export const searchListings = requestAction(SEARCH_LISTINGS_REQUEST);
 export const searchListingsSuccess = successAction(SEARCH_LISTINGS_SUCCESS);
 export const searchListingsError = errorAction(SEARCH_LISTINGS_ERROR);
 
+// SDK method: marketplace.show
 export const showMarketplace = requestAction(SHOW_MARKETPLACE_REQUEST);
 export const showMarketplaceSuccess = successAction(SHOW_MARKETPLACE_SUCCESS);
 export const showMarketplaceError = errorAction(SHOW_MARKETPLACE_ERROR);
 
+// SDK method: users.show
 export const showUsers = requestAction(SHOW_USERS_REQUEST);
 export const showUsersSuccess = successAction(SHOW_USERS_SUCCESS);
 export const showUsersError = errorAction(SHOW_USERS_ERROR);