Proyectos de Subversion Android Microlearning

package com.cesams.twogetskills.adapter;

import android.content.Context;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;

import androidx.recyclerview.widget.RecyclerView;

import com.bumptech.glide.Glide;
import com.bumptech.glide.ListPreloader;
import com.bumptech.glide.load.engine.DiskCacheStrategy;
import com.bumptech.glide.load.model.GlideUrl;
import com.bumptech.glide.load.model.LazyHeaders;
import com.bumptech.glide.request.RequestOptions;
import com.bumptech.glide.util.FixedPreloadSizeProvider;
import com.cesams.twogetskills.Constants;
import com.cesams.twogetskills.R;
import com.cesams.twogetskills.entity.Topic;
import com.cesams.twogetskills.library.MD5;
import com.cesams.twogetskills.skeleton.ITwoGetSkills;



import java.text.DecimalFormat;
import java.util.Calendar;
import java.util.List;
import java.util.ArrayList;
import java.util.Random;
import java.util.TimeZone;

public class TopicListViewAdapter extends RecyclerView.Adapter<TopicListViewAdapter.ViewHolder> {
    private final static String TAG = "C2GS - TopicAdapter";
    private List<Topic> mData;
    private LayoutInflater mInflater;
    private ItemClickListener mClickListener;
    private Context mContext;
    private ITwoGetSkills iTwoGetSkills;
    private DecimalFormat mDecimalFormat;
    private final int imageWidthPixels = 1024;
    private final int imageHeightPixels = 768;


    // data is passed into the constructor
    public TopicListViewAdapter(Context context, List<Topic> data) {
        this.mData =  data;
        this.mContext = context;
        this.iTwoGetSkills = (ITwoGetSkills) context;
        this.mInflater = LayoutInflater.from(context);
        this.mDecimalFormat = new DecimalFormat("#.##");
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        Log.d(TAG, "onCreateViewHolder");
       View view = mInflater.inflate(R.layout.fragment_topic_listitem, parent, false);

        //View view =  LayoutInflater.from(parent.getContext()).inflate(R.layout.fragment_topic_listitem,parent,false);
        return new ViewHolder(view);
    }

    // binds the data to the TextView in each row
    @Override
    public void onBindViewHolder(ViewHolder holder, int position) {
        Log.d(TAG, "onBindViewHolder");

        Topic mItem = mData.get(position);
        holder.mName.setText(mItem.getName());



        holder.mProgressbar.setMax(mItem.getTotalSlides());
        holder.mProgressbar.setProgress(mItem.getViewSlides());
        holder.mProgress.setText(mDecimalFormat.format(mItem.getProgress()) + " %");

        Log.d(TAG, mItem.getImage());




        TimeZone timeZone = TimeZone.getTimeZone("UTC");
        Calendar calendar = Calendar.getInstance(timeZone);
        TimeZone tz = calendar.getTimeZone();
        int created =  (int) (calendar.getTimeInMillis() / 1000);

        Random random = new Random(created);
        int rand = 1000 + random.nextInt(8999);


        String deviceUuid = iTwoGetSkills.getPreference().getDeviceUuid();
        String password =  iTwoGetSkills.getPreference().getPassword();

        Log.d(TAG, "token = " + deviceUuid);
        Log.d(TAG, "created = " + created);
        Log.d(TAG, "rand = " + rand);
        Log.d(TAG, "calc = " + password + ':' +  created + ':' + rand);

        String secret = MD5.generar(password + ':' +  created + ':' + rand);

        GlideUrl url = new GlideUrl(mItem.getImage(), new LazyHeaders.Builder()
                .addHeader(Constants.HTTP_HEADER_ACCEPT, Constants.HTTP_HEADER_ACCEPT_VALUE)
                .addHeader(Constants.HTTP_HEADER_SECURITY_TOKEN, deviceUuid)
                .addHeader(Constants.HTTP_HEADER_SECURITY_SECRET, secret)
                .addHeader(Constants.HTTP_HEADER_SECURITY_CREATED, String.valueOf(created))
                .addHeader(Constants.HTTP_HEADER_SECURITY_RAND, String.valueOf(rand))
                .build());

        RequestOptions options = new RequestOptions()
                .diskCacheStrategy(DiskCacheStrategy.ALL);

        Glide.with(mContext).load(url)
                .thumbnail()
                .apply(options)
                .into(holder.mImage);
    }

    // total number of rows
    @Override
    public int getItemCount() {
        return mData.size();
    }


    // stores and recycles views as they are scrolled off screen
    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
        TextView mName;
        ImageView mImage;
        ProgressBar mProgressbar;
        TextView mProgress;



        ViewHolder(View itemView) {
            super(itemView);
            mName = (TextView) itemView.findViewById(R.id.fragment_topic_listitem_name);
            mImage = (ImageView) itemView.findViewById(R.id.fragment_topic_listitem_image);
            mProgress = (TextView) itemView.findViewById(R.id.fragment_topic_listitem_progress);
            mProgressbar = (ProgressBar) itemView.findViewById(R.id.fragment_topic_listitem_progressbar);
            itemView.setOnClickListener(this);
        }

        @Override
        public void onClick(View view) {
            if (mClickListener != null) {
                mClickListener.onItemClick(view, getAdapterPosition());
            }
        }
    }

    // convenience method for getting data at click position
    public Topic getItem(int id) {
        return mData.get(id);
    }

    // allows clicks events to be caught
    public void setClickListener(ItemClickListener itemClickListener) {
        this.mClickListener = itemClickListener;
    }

    // parent activity will implement this method to respond to click events
    public interface ItemClickListener {
        public void onItemClick(View view, int position);
    }
}