ContactFragment

package com.dss.invitup.vc.occasionPage.contact;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Point;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v7.app.AlertDialog;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.Display;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.dss.invitup.MainActivity;
import com.dss.invitup.R;
import com.dss.invitup.adapters.ContactAdapter;
import com.dss.invitup.events.GetOccasionContactsFinishedEvent;
import com.dss.invitup.events.MainActivityHideLoadingEvent;
import com.dss.invitup.events.MainActivityShowLoadingEvent;
import com.dss.invitup.models.Occasion;
import com.dss.invitup.models.RealmString;
import com.dss.invitup.models.serverResponses.OccasionContactResponse;
import com.dss.invitup.singleton.AppController;
import com.dss.invitup.singleton.InterfaceManager;
import com.dss.invitup.singleton.ServerManager;
import com.dss.invitup.singleton.SettingsManager;
import java.util.ArrayList;
import java.util.List;
import de.greenrobot.event.EventBus;
import in.srain.cube.views.ptr.PtrClassicFrameLayout;
import in.srain.cube.views.ptr.PtrFrameLayout;
import in.srain.cube.views.ptr.PtrUIHandler;
import in.srain.cube.views.ptr.indicator.PtrIndicator;
import io.realm.Realm;
import io.realm.RealmList;
/**
 * Copyright © 2016 Dihardja Software Solutions. All rights reserved.
 */
public class ContactFragment extends Fragment {
    PtrClassicFrameLayout ptrClassicFrameLayout;
    RecyclerView contactRecyclerView;
    ContactAdapter contactAdapter;
    Occasion currentOccasion;
    Realm realm;
    LinearLayoutManager linearLayoutManager;
    int height = 0;
    MainActivity mainActivity;
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_contact, container, false);
        if(!EventBus.getDefault().isRegistered(this)){
            EventBus.getDefault().register(this);
        }
        realm = AppController.getInstance().getRealm();
        ptrClassicFrameLayout = (PtrClassicFrameLayout) view.findViewById(R.id.fragment_contact_ptrClassicFrameLayout);
        contactRecyclerView = (RecyclerView) view.findViewById(R.id.fragment_contact_recyclerView);
        linearLayoutManager = new LinearLayoutManager(getActivity());
        mainActivity = (MainActivity) getActivity();
        return view;
    }
    @Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        mainActivity.position = 1;
        Display display = getActivity().getWindowManager().getDefaultDisplay();
        Point size = new Point();
        display.getSize(size);
        height = size.y / 3;
        currentOccasion = SettingsManager.getInstance().getCurrentOccasion();
        contactAdapter = new ContactAdapter(getActivity(), listenerInterface);
        linearLayoutManager = new LinearLayoutManager(getActivity());
        linearLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
        contactRecyclerView.setHasFixedSize(true);
        contactRecyclerView.setLayoutManager(linearLayoutManager);
        contactRecyclerView.setAdapter(contactAdapter);
        contactRecyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
            @Override
            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                super.onScrollStateChanged(recyclerView, newState);
            }
            @Override
            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                super.onScrolled(recyclerView, dx, dy);
                ptrClassicFrameLayout.setEnabled(false);
                if(linearLayoutManager.findFirstVisibleItemPosition()==0) {
                    View v = linearLayoutManager.getChildAt(linearLayoutManager.findFirstVisibleItemPosition());
                    int offsetTop = v.getTop();
                    if (offsetTop == 0) {
                        ptrClassicFrameLayout.setEnabled(true);
                    }
                }
            }
        });
        ptrClassicFrameLayout.addPtrUIHandler(new PtrUIHandler() {
            @Override
            public void onUIReset(PtrFrameLayout frame) {
            }
            @Override
            public void onUIRefreshPrepare(PtrFrameLayout frame) {
            }
            @Override
            public void onUIRefreshBegin(PtrFrameLayout frame) {
                contactAdapter.clearAdapter();
                EventBus.getDefault().post(new MainActivityShowLoadingEvent());
                ServerManager.getInstance().getOccasionContactFromOccasion(currentOccasion.getId());
            }
            @Override
            public void onUIRefreshComplete(PtrFrameLayout frame) {
            }
            @Override
            public void onUIPositionChange(PtrFrameLayout frame, boolean isUnderTouch, byte status, PtrIndicator ptrIndicator) {
            }
        });
        reloadLocalData();
    }
    @Override
    public void onDestroy(){
        super.onDestroy();
        if(EventBus.getDefault().isRegistered(this)) {
            EventBus.getDefault().unregister(this);
        }
    }
    ContactAdapter.ContactAdapterListenerInterface listenerInterface = new ContactAdapter.ContactAdapterListenerInterface() {
        @Override
        public void phoneClicked(String name, RealmList<RealmString> phonesRealmList) {
            AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
            builder.setTitle(name);
            List<String> contactList = new ArrayList<String>();
            for (RealmString contactString : phonesRealmList) {
                contactList.add(contactString.getStringValue());
            }
            final CharSequence phones[] = contactList.toArray(new CharSequence[contactList.size()]);
            builder.setItems(phones, new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    String currentPhone = (String) phones[which];
                    Intent intent = new Intent(Intent.ACTION_DIAL, Uri.fromParts("tel", currentPhone, null));
                    startActivity(intent);
                }
            });
            builder.show();
        }
        @Override
        public void emailClicked(String email) {
            Intent emailIntent = new Intent(Intent.ACTION_SENDTO, Uri.fromParts("mailto", email, null));
            getActivity().startActivity(emailIntent);
        }
    };
    public void reloadLocalData(){
        OccasionContactResponse occasionContactResponse = realm.where(OccasionContactResponse.class)
                .equalTo("id",currentOccasion.getId()).findFirst();
        if(occasionContactResponse!=null){
            if(occasionContactResponse.getContacts()!=null) {
                contactAdapter.updateAdapter(height, occasionContactResponse.getContacts());
            }
        }
        EventBus.getDefault().post(new MainActivityShowLoadingEvent());
        ServerManager.getInstance().getOccasionContactFromOccasion(currentOccasion.getId());
    }
    public void onEvent(GetOccasionContactsFinishedEvent event){
        EventBus.getDefault().post(new MainActivityHideLoadingEvent());
        ptrClassicFrameLayout.refreshComplete();
        if(event.occasionContactResponse!=null){
            contactAdapter.updateAdapter(height, event.occasionContactResponse.getContacts());
        }else{
            InterfaceManager.sharedInstance().showErrorMessage(getActivity(), event.errorMessage);
        }
    }
}