Set default seven days to sync for user folders

Sync of user folders is disabled by default

app/src/main/java/eu/faircode/email/EntityFolder.java

@@ -33,10 +33,10 @@ import static android.arch.persistence.room.ForeignKey.CASCADE;
 @Entity(
         tableName = EntityFolder.TABLE_NAME,
         foreignKeys = {
-                @ForeignKey(childColumns = "account" , entity = EntityAccount.class, parentColumns = "id" , onDelete = CASCADE)
+                @ForeignKey(childColumns = "account", entity = EntityAccount.class, parentColumns = "id", onDelete = CASCADE)
         },
         indices = {
-                @Index(value = {"account" , "name"}, unique = true),
+                @Index(value = {"account", "name"}, unique = true),
                 @Index(value = {"account"}),
                 @Index(value = {"name"}),
                 @Index(value = {"type"})
@@ -55,10 +55,10 @@ public class EntityFolder {
     static final String TYPE_USER = "User";
 
     static final List<String> SYSTEM_FOLDER_ATTR = Arrays.asList(
-            "All" ,
-            "Drafts" ,
-            "Trash" ,
-            "Junk" ,
+            "All",
+            "Drafts",
+            "Trash",
+            "Junk",
             "Sent"
     );
     static final List<String> SYSTEM_FOLDER_TYPE = Arrays.asList(
@@ -67,7 +67,7 @@ public class EntityFolder {
             TYPE_TRASH,
             TYPE_JUNK,
             TYPE_SENT
-    ); // Must match SYSTEM_FOLDER_ATTR
+    ); // MUST match SYSTEM_FOLDER_ATTR
 
     static final List<String> FOLDER_SORT_ORDER = Arrays.asList(
             TYPE_INBOX,
@@ -80,8 +80,9 @@ public class EntityFolder {
             TYPE_USER
     );
 
-    static final int DEFAULT_INBOX_SYNC = 30;
-    static final int DEFAULT_STANDARD_SYNC = 7;
+    static final int DEFAULT_INBOX_SYNC = 30; // days
+    static final int DEFAULT_SYSTEM_SYNC = 7; // days
+    static final int DEFAULT_USER_SYNC = 7; // days
 
     static final List<String> SYSTEM_FOLDER_SYNC = Arrays.asList(
             TYPE_ARCHIVE,

app/src/main/java/eu/faircode/email/FragmentAccount.java

@@ -85,7 +85,7 @@ public class FragmentAccount extends FragmentEx {
 
         // Get arguments
         Bundle args = getArguments();
-        final long id = (args == null ? -1 : args.getLong("id" , -1));
+        final long id = (args == null ? -1 : args.getLong("id", -1));
 
         // Get providers
         providers = Provider.loadProfiles(getContext());
@@ -140,14 +140,14 @@ public class FragmentAccount extends FragmentEx {
                 pbCheck.setVisibility(View.VISIBLE);
 
                 Bundle args = new Bundle();
-                args.putLong("id" , id);
-                args.putString("name" , etName.getText().toString());
-                args.putString("host" , etHost.getText().toString());
-                args.putString("port" , etPort.getText().toString());
-                args.putString("user" , etUser.getText().toString());
-                args.putString("password" , tilPassword.getEditText().getText().toString());
-                args.putBoolean("synchronize" , cbSynchronize.isChecked());
-                args.putBoolean("primary" , cbPrimary.isChecked());
+                args.putLong("id", id);
+                args.putString("name", etName.getText().toString());
+                args.putString("host", etHost.getText().toString());
+                args.putString("port", etPort.getText().toString());
+                args.putString("user", etUser.getText().toString());
+                args.putString("password", tilPassword.getEditText().getText().toString());
+                args.putBoolean("synchronize", cbSynchronize.isChecked());
+                args.putBoolean("primary", cbPrimary.isChecked());
 
                 getLoaderManager().restartLoader(ActivityView.LOADER_ACCOUNT_PUT, args, putLoaderCallbacks).forceLoad();
             }
@@ -296,12 +296,12 @@ public class FragmentAccount extends FragmentEx {
                                 folder.name = ifolder.getFullName();
                                 folder.type = type;
                                 folder.synchronize = EntityFolder.SYSTEM_FOLDER_SYNC.contains(folder.type);
-                                folder.after = EntityFolder.DEFAULT_STANDARD_SYNC;
+                                folder.after = EntityFolder.DEFAULT_SYSTEM_SYNC;
                                 folders.add(folder);
 
                                 Log.i(Helper.TAG, account.name +
                                         " system=" + folder.name +
-                                        " type=" + folder.type + " attr=" + TextUtils.join("," , attrs));
+                                        " type=" + folder.type + " attr=" + TextUtils.join(",", attrs));
 
                                 if (EntityFolder.TYPE_DRAFTS.equals(folder.type))
                                     drafts = true;

app/src/main/java/eu/faircode/email/ServiceSynchronize.java

@@ -944,7 +944,7 @@ public class ServiceSynchronize extends LifecycleService {
                         folder.name = ifolder.getFullName();
                         folder.type = EntityFolder.TYPE_USER;
                         folder.synchronize = false;
-                        folder.after = 0;
+                        folder.after = EntityFolder.DEFAULT_USER_SYNC;
                         dao.insertFolder(folder);
                         Log.i(Helper.TAG, folder.name + " added");
                     } else