remove "push" related codes

app/src/main/java/chat/rocket/android/RocketChatCache.java

@@ -3,8 +3,6 @@ package chat.rocket.android;
 import android.content.Context;
 import android.content.SharedPreferences;
 
-import java.util.UUID;
-
 /**
  * sharedpreference-based cache.
  */
@@ -12,25 +10,10 @@ public class RocketChatCache {
   public static final String KEY_SELECTED_SERVER_CONFIG_ID = "selectedServerConfigId";
   public static final String KEY_SELECTED_ROOM_ID = "selectedRoomId";
 
-  private static final String PUSH_ID = "pushId";
-
   /**
    * get SharedPreference instance for RocketChat application cache.
    */
   public static SharedPreferences get(Context context) {
     return context.getSharedPreferences("cache", Context.MODE_PRIVATE);
   }
-
-  public static String getPushId(Context context) {
-    SharedPreferences preferences = get(context);
-    String pushId = null;
-    if (!preferences.contains(PUSH_ID)) {
-      // generates one and save
-      pushId = UUID.randomUUID().toString();
-      SharedPreferences.Editor editor = preferences.edit();
-      editor.putString(PUSH_ID, pushId);
-      editor.apply();
-    }
-    return preferences.getString(PUSH_ID, pushId);
-  }
 }

app/src/main/java/chat/rocket/android/api/MethodCallHelper.java

 package chat.rocket.android.api;
 
 import android.content.Context;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
 import android.util.Patterns;
 import org.json.JSONArray;
 import org.json.JSONException;
@@ -19,7 +17,6 @@ import chat.rocket.android.model.ddp.PublicSetting;
 import chat.rocket.android.model.ddp.RoomSubscription;
 import chat.rocket.android.model.internal.MethodCall;
 import chat.rocket.android.model.internal.Session;
-import chat.rocket.android.model.params.PushUpdate;
 import chat.rocket.android.realm_helper.RealmHelper;
 import chat.rocket.android.realm_helper.RealmStore;
 import chat.rocket.android_ddp.DDPClientCallback;
@@ -27,7 +24,6 @@ import hugo.weaving.DebugLog;
 
 /**
  * Utility class for creating/handling MethodCall or RPC.
- *
  * TODO: separate method into several manager classes (SubscriptionManager, MessageManager, ...).
  */
 public class MethodCallHelper {
@@ -41,8 +37,9 @@ public class MethodCallHelper {
   protected final RealmHelper realmHelper;
   protected final DDPClientWrapper ddpClient;
 
+  @Deprecated
   /**
-   * initialize with ServerConfigId.
+   * Deprecated. use MethodCall(Context, String) instead.
    */
   public MethodCallHelper(String serverConfigId) {
     this(null, serverConfigId);
@@ -307,19 +304,6 @@ public class MethodCallHelper {
         .onSuccessTask(task -> Task.forResult(null));
   }
 
-  public Task<Void> pushUpdate(@NonNull String pushId, @NonNull String token,
-                               @Nullable String userId) {
-    return call("raix:push-update", TIMEOUT_MS, () -> {
-      JSONObject param = new PushUpdate(pushId, token, userId).toJson();
-      return new JSONArray().put(param);
-    }).onSuccessTask(task -> Task.forResult(null));
-  }
-
-  public Task<Void> pushSetUser(String pushId) {
-    return call("raix:push-setuser", TIMEOUT_MS, () -> new JSONArray().put(pushId))
-        .onSuccessTask(task -> Task.forResult(null));
-  }
-
   /**
    * send message.
    */

app/src/main/java/chat/rocket/android/model/ServerConfig.java

@@ -20,7 +20,6 @@ public class ServerConfig extends RealmObject {
   public static final String STATE = "state";
   public static final String SESSION = "session";
   public static final String ERROR = "error";
-  public static final String SYNC_PUSH_TOKEN = "syncPushToken";
 
   public static final int STATE_READY = 0;
   public static final int STATE_CONNECTING = 1;
@@ -32,7 +31,6 @@ public class ServerConfig extends RealmObject {
   private int state;
   private String session;
   private String error;
-  private boolean syncPushToken;
 
   /**
    * Log the server connection is lost due to some exception.
@@ -102,12 +100,4 @@ public class ServerConfig extends RealmObject {
   public void setError(String error) {
     this.error = error;
   }
-
-  public boolean shouldSyncPushToken() {
-    return syncPushToken;
-  }
-
-  public void setSyncPushToken(boolean syncPushToken) {
-    this.syncPushToken = syncPushToken;
-  }
 }

app/src/main/java/chat/rocket/android/model/params/PushUpdate.java

-package chat.rocket.android.model.params;
-
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import org.json.JSONException;
-import org.json.JSONObject;
-
-public class PushUpdate {
-
-  private String pushId;
-  private String gcmToken;
-  private String userId;
-
-  public PushUpdate(@NonNull String pushId, @NonNull String gcmToken, @Nullable String userId) {
-    this.pushId = pushId;
-    this.gcmToken = gcmToken;
-    this.userId = userId;
-  }
-
-  public JSONObject toJson() throws JSONException {
-    JSONObject param = new JSONObject();
-    param.put("id", pushId);
-    param.put("appName", "main");
-    param.put("userId", userId);
-    param.put("metadata", new JSONObject());
-
-    JSONObject tokenParam = new JSONObject();
-    tokenParam.put("gcm", gcmToken);
-
-    param.put("token", tokenParam);
-
-    return param;
-  }
-}