fix(matching contexts): auto refresh matching contexts from backend e…

…very x minutes

fix #178

src/app/background/actions/kraftBackend.js

@@ -100,3 +100,14 @@ export function refreshMatchingContextsFromBackend(criteria, editors) {
     fetchMatchingContexts(criteria, editors).then(json => dispatch(receivedMatchingContexts(json)));
   };
 }
+
+export function refreshMatchingContextsEvery(milliseconds) {
+  function recurse(dispatch) {
+    setTimeout(() => {
+      dispatch({ type: REFRESH_MATCHING_CONTEXTS });
+      recurse(dispatch);
+    }, milliseconds);
+  }
+
+  return recurse;
+}

src/app/background/index.js

@@ -15,6 +15,7 @@ import prepareDraftPreview from '../lmem/draft-preview/main.js';
 
 import {
   dispatchInitialStateFromBackend,
+  refreshMatchingContextsEvery,
 } from './actions/kraftBackend';
 import updateDraftRecommendations from './actions/updateDraftRecommendations';
 
@@ -117,5 +118,14 @@ configureStore(store => {
 
   store.dispatch(dispatchInitialStateFromBackend()); // store initialization from the kraft server
 
+  const refreshInterval = Number(process.env.REFRESH_MC_INTERVAL);
+  if (refreshInterval > 0) {
+    console.info(`Matching contexts will be refreshed every ${refreshInterval / 1000 / 60} minutes.`);
+    store.dispatch(refreshMatchingContextsEvery(refreshInterval));
+  }
+  else console.warn(
+    'Matching contexts auto-refresh disabled:',
+    'assuming "process.env.REFRESH_MC_INTERVAL" is deliberately not defined.');
+
 }, true);
 

test/app/actions.js

@@ -1,11 +1,14 @@
 import chai from 'chai';
+import sinon from 'sinon';
+import sinonChai from 'sinon-chai';
 
 import { Set as ImmutableSet } from 'immutable';
 
 import {
   receivedMatchingContexts,
   receivedCriteria,
-  receivedEditors
+  receivedEditors,
+  refreshMatchingContextsEvery,
 } from '../../src/app/background/actions/kraftBackend';
 
 import {
@@ -15,6 +18,8 @@ import {
 } from '../../src/app/background/actions/tabs';
 
 const expect = chai.expect;
+chai.use(sinonChai);
+
 
 describe('background actions', function () {
 
@@ -73,4 +78,27 @@ describe('background actions', function () {
     expect(action.recommendation).to.equal(recommendation);
   });
 
+  describe('auto refresh matching contexts', () => {
+    before(() => {
+      this.clock = sinon.useFakeTimers();
+    });
+
+    it('every x minutes', () => {
+      const recursiveFn = refreshMatchingContextsEvery(10000);
+      const dispatch = sinon.fake();
+
+      recursiveFn(dispatch);
+      expect(dispatch).to.not.have.been.called;
+
+      this.clock.next();
+      this.clock.next();
+      expect(dispatch).to.have.been.calledTwice;
+      expect(dispatch.lastCall.lastArg.type).to.be.a('string').of.length.above(5);
+    });
+
+    after(() => {
+      this.clock.restore();
+    });
+  });
+
 });

webpack/chromium.config.js

@@ -23,6 +23,7 @@ export default baseConfig({
       LMEM_BACKEND_ORIGIN: '"https://recommendations.lmem.net"',
       LMEM_SCRIPTS_ORIGIN: "'.'",
       UNINSTALL_ORIGIN: "'https://www.lmem.net/desinstallation'",
+      REFRESH_MC_INTERVAL: '10*60*1000',
       ONBOARDING_ORIGIN: '"https://bienvenue.lmem.net?extensionInstalled"',
       HEAP_APPID: '"3705584166"', // production
     }

webpack/dev.config.js

@@ -14,6 +14,7 @@ export default baseConfig({
       NODE_ENV: '"development"',
       LMEM_BACKEND_ORIGIN: '"https://recommendations.lmem.net"',
       LMEM_SCRIPTS_ORIGIN: "'.'", // Use local build
+      // REFRESH_MC_INTERVAL: '1*60*1000', // Uncomment to enable auto-refresh
     }
   }
 });

webpack/firefox.config.js

@@ -28,6 +28,7 @@ export default baseConfig({
       LMEM_BACKEND_ORIGIN: '"https://recommendations.lmem.net"',
       LMEM_SCRIPTS_ORIGIN: "'.'", // Use local build
       ONBOARDING_ORIGIN: '"https://bienvenue.lmem.net?extensionInstalled"',
+      REFRESH_MC_INTERVAL: '10*60*1000',
       //HEAP_APPID: '"3705584166"', // No analytics with Firefox
     }
   },

webpack/staging.config.js

@@ -14,6 +14,7 @@ export default baseConfig({
       LMEM_SCRIPTS_ORIGIN: "'.'",
       UNINSTALL_ORIGIN: "'https://www.lmem.net/desinstallation'",
       HEAP_APPID: '"234457910"', // testing
+      REFRESH_MC_INTERVAL: '5*60*1000',
     }
   }
 });