Automatically create the default journals if there are none.

src/SyncGate.tsx

@@ -17,7 +17,7 @@ import * as EteSync from './api/EteSync';
 import { CURRENT_VERSION } from './api/Constants';
 
 import { store, JournalsType, EntriesType, StoreState, CredentialsData, UserInfoType } from './store';
-import { fetchAll, fetchUserInfo, createUserInfo } from './store/actions';
+import { createJournal, fetchAll, fetchEntries, fetchUserInfo, createUserInfo } from './store/actions';
 
 export interface SyncInfoJournal {
   journal: EteSync.Journal;
@@ -101,7 +101,25 @@ class SyncGate extends React.PureComponent {
   componentDidMount() {
     const me = this.props.etesync.credentials.email;
     const syncAll = () => {
-      store.dispatch(fetchAll(this.props.etesync, this.props.entries));
+      store.dispatch<any>(fetchAll(this.props.etesync, this.props.entries)).then((haveJournals: boolean) => {
+        if (haveJournals) {
+          return;
+        }
+
+        ['ADDRESS_BOOK', 'CALENDAR'].forEach((collectionType) => {
+          const collection = new EteSync.CollectionInfo();
+          collection.uid = EteSync.genUid();
+          collection.type = collectionType;
+          collection.displayName = 'Default';
+
+          const journal = new EteSync.Journal();
+          const cryptoManager = new EteSync.CryptoManager(this.props.etesync.encryptionKey, collection.uid);
+          journal.setInfo(cryptoManager, collection);
+          store.dispatch<any>(createJournal(this.props.etesync, journal)).then(() => {
+            store.dispatch(fetchEntries(this.props.etesync, collection.uid));
+          });
+        });
+      });
     };
 
     const sync = () => {

src/api/Crypto.ts

@@ -26,6 +26,11 @@ export function deriveKey(salt: string, password: string): string {
   return sjcl.codec.base64.fromBits((sjcl.misc as any).scrypt(password, salt, 16384, 8, 1, keySize));
 }
 
+export function genUid() {
+  const rand = sjcl.random.randomWords(4);
+  return sjcl.codec.hex.fromBits(hmac256(rand, rand));
+}
+
 function hmac256(salt: sjcl.BitArray, key: sjcl.BitArray) {
   let hmac = new sjcl.misc.hmac(salt);
   return hmac.encrypt(key);

src/api/EteSync.ts

@@ -7,7 +7,7 @@ import * as fetch from 'isomorphic-fetch';
 
 import { byte, base64, stringToByteArray } from './Helpers';
 import { CryptoManager, AsymmetricKeyPair, HMAC_SIZE_BYTES } from './Crypto';
-export { CryptoManager, AsymmetricCryptoManager, AsymmetricKeyPair, deriveKey } from './Crypto';
+export { CryptoManager, AsymmetricCryptoManager, AsymmetricKeyPair, deriveKey, genUid } from './Crypto';
 
 class ExtendableError extends Error {
   constructor(message: any) {

src/store/actions.ts

@@ -54,6 +54,20 @@ export const { fetchJournals } = createActions({
   },
 });
 
+export const createJournal = createAction(
+  'CREATE_JOURNAL',
+  (etesync: CredentialsData, journal: EteSync.Journal) => {
+    const creds = etesync.credentials;
+    const apiBase = etesync.serviceApiUrl;
+    let journalManager = new EteSync.JournalManager(creds, apiBase);
+
+    return journalManager.create(journal);
+  },
+  (etesync: CredentialsData, journal: EteSync.Journal) => {
+    return { journal };
+  },
+);
+
 export const { fetchEntries, createEntries } = createActions({
   FETCH_ENTRIES: [
     (etesync: CredentialsData, journalUid: string, prevUid: string | null) => {

src/store/reducers.ts

@@ -138,9 +138,9 @@ export const entries = handleAction(
   Map({})
 );
 
-const journals = handleAction(
-  actions.fetchJournals,
-  (state: JournalsTypeImmutable, action: any) => {
+const journals = handleActions(
+  {
+    [actions.fetchJournals.toString()]: (state: JournalsTypeImmutable, action: any) => {
       const newState = fetchTypeIdentityReducer(state, action);
       // Compare the states and see if they are really different
       const oldJournals = state.get('value', null);
@@ -164,6 +164,37 @@ const journals = handleAction(
         return newState;
       }
     },
+    [actions.createJournal.toString()]: (state: JournalsTypeImmutable, _action: any) => {
+      const action = { ..._action };
+      if (action.payload) {
+        action.payload = (action.meta === undefined) ? action.payload : action.meta.journal;
+        action.payload = [ action.payload ];
+      }
+
+      const newState = fetchTypeIdentityReducer(state, action, true);
+      // Compare the states and see if they are really different
+      const oldJournals = state.get('value', null);
+      const newJournals = newState.get('value', null);
+
+      if (!oldJournals || !newJournals || (oldJournals.size !== newJournals.size)) {
+        return newState;
+      }
+
+      let oldJournalHash = {};
+      oldJournals.forEach((x) => {
+        oldJournalHash[x.uid] = x.serialize();
+      });
+
+      if (newJournals.every((journal: EteSync.Journal) => (
+        (journal.uid in oldJournalHash) &&
+        (journal.serialize().content === oldJournalHash[journal.uid].content)
+      ))) {
+        return state;
+      } else {
+        return newState;
+      }
+    },
+  },
   new JournalsFetchRecord(),
 );