feat(subscriptions): log subscriptions list per extension on subscrib…

…e and unsubscribe

src/api/postSubscriptions.ts

@@ -0,0 +1,11 @@
+import { post } from './call';
+
+const postSubscriptions = ({
+  extensionId,
+  subscriptions = []
+}: {
+  extensionId: number;
+  subscriptions: number[];
+}): Promise<void> => post(`subscriptions/${extensionId}`, subscriptions);
+
+export default postSubscriptions;

src/app/background/sagas/index.ts

@@ -18,6 +18,7 @@ import sendInstallationDetailsToOptions from './sendInstallationDetailsToOptions
 import setup from './setup.saga';
 import tos from './tos.saga';
 import awaitRehydratationSaga from './lib/awaitRehydratation.saga';
+import subscriptionsSaga from './subscriptions';
 import tracking from './tracking';
 import MatomoTracker from 'app/matomo';
 
@@ -47,6 +48,7 @@ export default function* rootSaga() {
     fork(setup),
     fork(error),
     fork(tos),
-    fork(tracking(tracker))
+    fork(tracking(tracker)),
+    fork(subscriptionsSaga)
   ]);
 }

src/app/background/sagas/subscriptions.ts

@@ -0,0 +1,24 @@
+import { SagaIterator } from 'redux-saga';
+import { call, select, put, takeLatest } from 'redux-saga/effects';
+import { createErrorAction, SUBSCRIBE, UNSUBSCRIBE } from 'app/actions';
+import { getUserId } from 'app/background/selectors/user';
+import { getSubscriptions } from 'app/background/selectors/subscriptions.selectors';
+import postSubscriptions from 'api/postSubscriptions';
+
+function* postSubscriptionsSaga(): SagaIterator {
+  try {
+    const extensionId = yield select(getUserId);
+    const subscriptions = yield select(getSubscriptions);
+
+    yield call(postSubscriptions, {
+      extensionId,
+      subscriptions
+    });
+  } catch (e) {
+    yield put(createErrorAction()(e));
+  }
+}
+
+export default function*() {
+  yield takeLatest([SUBSCRIBE, UNSUBSCRIBE], postSubscriptionsSaga);
+}