PostContextUtils.java

package com.buddycloud.card;

import java.util.ArrayList;
import java.util.List;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.widget.Toast;

import com.buddycloud.R;
import com.buddycloud.model.ModelCallback;
import com.buddycloud.model.PostsModel;
import com.buddycloud.model.SubscribedChannelsModel;


public class PostContextUtils {

	private static final String CONTEXT_DELETE = "Delete";
	private static final String CONTEXT_SHARE = "Share";
	
	public static final int TOPIC_POST = 9001;
	public static final int COMMENT_POST = 9002;
	
	public static void showPostContextActions(final Context context, final String channelJid, 
			final String postId, String role, final int postContext) {
		
		final List<String> contextItems = new ArrayList<String>();
		if (SubscribedChannelsModel.canDeletePost(role)) {
			contextItems.add(CONTEXT_DELETE);
		}
		contextItems.add(CONTEXT_SHARE);
		
		AlertDialog.Builder builder = new AlertDialog.Builder(context);
		builder.setTitle("Post actions");
		builder.setItems(contextItems.toArray(new String[]{}), 
				new DialogInterface.OnClickListener() {
		    public void onClick(DialogInterface dialog, int item) {
		        if (contextItems.get(item).equals(CONTEXT_DELETE)) {
		        	confirmDelete(context, channelJid, postId, postContext);		        
		        }
		    }
		});
		AlertDialog alert = builder.create();
		alert.show();
	}
	
	private static void confirmDelete(final Context context, final String channelJid, 
			final String postId, final int postContext) {
		new AlertDialog.Builder(context)
				.setIcon(android.R.drawable.ic_dialog_alert)
				.setTitle(context.getString(R.string.title_confirm_delete))
				.setMessage(context.getString(R.string.message_confirm_delete))
				.setPositiveButton(R.string.yes,
						new DialogInterface.OnClickListener() {
							@Override
							public void onClick(DialogInterface dialog,
									int which) {
								delete(context, channelJid, postId, postContext);
							}
						}).setNegativeButton(R.string.no, null).show();
	}
	
	private static void delete(final Context context, String channelJid, final String postId, 
			final int postContext) {
		PostsModel.getInstance().delete(context, new ModelCallback<Void>() {
			@Override
			public void success(Void response) {
				if (postContext == TOPIC_POST) {
					Toast.makeText(context, context.getString(R.string.message_post_topic_deleted),
							Toast.LENGTH_LONG).show();
				}
				else if (postContext == COMMENT_POST) {
					Toast.makeText(context, context.getString(R.string.message_post_comment_deleted),
							Toast.LENGTH_LONG).show();
				}
			}

			@Override
			public void error(Throwable throwable) {
				if (postContext == TOPIC_POST) {
					Toast.makeText(context, context.getString(R.string.message_post_topic_delete_failed),
							Toast.LENGTH_LONG).show();
				}
				else if (postContext == COMMENT_POST) {
					Toast.makeText(context, context.getString(R.string.message_post_comment_delete_failed),
							Toast.LENGTH_LONG).show();
				}
			}
		}, channelJid, postId);
	}

}