Check journal lastUid before fetching entries

app/build.gradle.kts

@@ -12,7 +12,6 @@ repositories {
     jcenter()
     google()
     maven(url = "https://jitpack.io")
-    maven(url = "https://oss.sonatype.org/content/repositories/snapshots")
 }
 
 android {
@@ -201,7 +200,7 @@ dependencies {
     implementation("androidx.work:work-runtime:${Versions.work}")
     implementation("com.mapbox.mapboxsdk:mapbox-android-sdk:7.3.0")
     implementation("com.mapbox.mapboxsdk:mapbox-sdk-services:4.6.0")
-    implementation("com.etesync:journalmanager:1.0.2-SNAPSHOT")
+    implementation("com.etesync:journalmanager:1.0.3")
 
     googleplayImplementation("com.crashlytics.sdk.android:crashlytics:${Versions.crashlytics}")
     googleplayImplementation("com.google.firebase:firebase-analytics:${Versions.firebase}")

app/src/main/java/org/tasks/etesync/EteSynchronizer.java

@@ -180,11 +180,16 @@ public class EteSynchronizer {
       localChanges.put(task.getRemoteId(), task);
     }
 
-    Timber.v("Applying remote changes");
-    client.getSyncEntries(
-        journal,
-        caldavCalendar,
-        syncEntries -> applyEntries(caldavCalendar, syncEntries, localChanges.keySet()));
+    String remoteCtag = journal.getLastUid();
+    if (Strings.isNullOrEmpty(remoteCtag) || !remoteCtag.equals(caldavCalendar.getCtag())) {
+      Timber.v("Applying remote changes");
+      client.getSyncEntries(
+          journal,
+          caldavCalendar,
+          syncEntries -> applyEntries(caldavCalendar, syncEntries, localChanges.keySet()));
+    } else {
+      Timber.d("%s up to date", caldavCalendar.getName());
+    }
 
     List<SyncEntry> changes = new ArrayList<>();
     for (CaldavTask task : caldavDao.getDeleted(caldavCalendar.getUuid())) {
@@ -194,7 +199,7 @@ public class EteSynchronizer {
       changes.add(new SyncEntry(getVtodo(task), task.isNew() ? Actions.ADD : Actions.CHANGE));
     }
 
-    String remoteCtag = caldavCalendar.getCtag();
+    remoteCtag = caldavCalendar.getCtag();
     CryptoManager crypto = client.getCrypto(journal);
     List<Pair<Entry, SyncEntry>> updates = new ArrayList<>();
     JournalEntryManager.Entry previous =