allow loading multiple events

src/actions/index.js

@@ -2,6 +2,7 @@
 import { urlFromEnv } from '../common/utilities'
 
 // TODO: relegate these URLs entirely to environment variables
+const CONFIG_URL = urlFromEnv('CONFIG_EXT')
 const EVENT_DATA_URL = urlFromEnv('EVENTS_EXT')
 const CATEGORY_URL = urlFromEnv('CATEGORIES_EXT')
 const FILTERS_URL = urlFromEnv('FILTERS_EXT')
@@ -27,9 +28,20 @@ export function fetchDomain () {
     const features = getState().features
     dispatch(toggleFetchingDomain())
 
-    const eventPromise = fetch(EVENT_DATA_URL)
-      .then(response => response.json())
-      .catch(() => handleError('events'))
+    let configPromise = Promise.resolve([])
+    if (features.USE_REMOTE_CONFIG) {
+      configPromise = fetch(CONFIG_URL)
+        .then(response => response.json())
+        .catch(() => handleError("Couldn't find data at the config URL you specified."))
+    }
+
+    // NB: EVENT_DATA_URL is a list, and so results are aggregated
+    const eventPromise = Promise.all(
+      EVENT_DATA_URL.map(url => fetch(url)
+        .then(response => response.json())
+        .catch(() => handleError('events'))
+      )
+    ).then(results => results.flatMap(t => t))
 
     let catPromise = Promise.resolve([])
     if (features.USE_CATEGORIES) {

src/common/utilities.js

@@ -103,7 +103,9 @@ export function injectSource (id) {
 
 export function urlFromEnv (ext) {
   if (process.env[ext]) {
-    return `${process.env.SERVER_ROOT}${process.env[ext]}`
+    if (!Array.isArray(process.env[ext])) { return [`${process.env.SERVER_ROOT}${process.env[ext]}`] } else {
+      return process.env[ext].map(suffix => `${process.env.SERVER_ROOT}${suffix}`)
+    }
   } else {
     return null
   }