Multi server/user implementation

app/src/main/java/com/cappielloantonio/play/adapter/ServerAdapter.java

@@ -0,0 +1,127 @@
+package com.cappielloantonio.play.adapter;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.fragment.app.FragmentManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.cappielloantonio.play.App;
+import com.cappielloantonio.play.R;
+import com.cappielloantonio.play.interfaces.SystemCallback;
+import com.cappielloantonio.play.model.Server;
+import com.cappielloantonio.play.model.Song;
+import com.cappielloantonio.play.repository.SystemRepository;
+import com.cappielloantonio.play.ui.activity.MainActivity;
+import com.cappielloantonio.play.util.PreferenceUtil;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+public class ServerAdapter extends RecyclerView.Adapter<ServerAdapter.ViewHolder> {
+    private static final String TAG = "ServerAdapter";
+
+    private List<Server> servers;
+    private final LayoutInflater mInflater;
+    private MainActivity mainActivity;
+    private Context context;
+
+    public ServerAdapter(MainActivity mainActivity, Context context) {
+        this.mInflater = LayoutInflater.from(context);
+        this.servers = new ArrayList<>();
+        this.mainActivity = mainActivity;
+        this.context = context;
+    }
+
+    @Override
+    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View view = mInflater.inflate(R.layout.item_login_server, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(ViewHolder holder, int position) {
+        Server server = servers.get(position);
+
+        holder.serverName.setText(server.getServerName());
+        holder.serverAddress.setText(server.getAddress());
+    }
+
+    @Override
+    public int getItemCount() {
+        return servers.size();
+    }
+
+    public List<Server> getItems() {
+        return this.servers;
+    }
+
+    public void setItems(List<Server> servers) {
+        this.servers = servers;
+        notifyDataSetChanged();
+    }
+
+    public Server getItem(int id) {
+        return servers.get(id);
+    }
+
+    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
+        TextView serverName;
+        TextView serverAddress;
+
+        ViewHolder(View itemView) {
+            super(itemView);
+
+            serverName = itemView.findViewById(R.id.server_name_text_view);
+            serverAddress = itemView.findViewById(R.id.server_address_text_view);
+
+            itemView.setOnClickListener(this);
+
+            serverName.setSelected(true);
+        }
+
+        @Override
+        public void onClick(View view) {
+            Server server = servers.get(getBindingAdapterPosition());
+            saveServerPreference(server.getAddress(), server.getUsername(), server.getToken(), server.getSalt());
+
+            SystemRepository systemRepository = new SystemRepository(App.getInstance());
+            systemRepository.checkUserCredential(new SystemCallback() {
+                @Override
+                public void onError(Exception exception) {
+                    Toast.makeText(context, exception.getMessage(), Toast.LENGTH_SHORT).show();
+                }
+
+                @Override
+                public void onSuccess(String token, String salt) {
+                    saveServerPreference(null, null, token, salt);
+                    enter();
+                }
+            });
+        }
+
+        private void enter() {
+            mainActivity.goFromLogin();
+        }
+
+        private void saveServerPreference(String server, String user, String token, String salt) {
+            if (user != null) PreferenceUtil.getInstance(context).setUser(user);
+            if (server != null) PreferenceUtil.getInstance(context).setServer(server);
+
+            if (token != null && salt != null) {
+                PreferenceUtil.getInstance(context).setToken(token);
+                PreferenceUtil.getInstance(context).setSalt(salt);
+                PreferenceUtil.getInstance(context).setServerId(servers.get(getBindingAdapterPosition()).getServerId());
+
+                return;
+            }
+
+            App.getSubsonicClientInstance(context, true);
+        }
+    }
+}