Feed.java

package com.android.feedmeandroid;

import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Collections;

import org.json.JSONObject;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Point;
import android.graphics.PorterDuff.Mode;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Typeface;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.util.Log;
import android.view.Display;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup.LayoutParams;
import android.view.Window;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.ScrollView;
import android.widget.TextView;

import com.facebook.android.DialogError;
import com.facebook.android.Facebook;
import com.facebook.android.Facebook.DialogListener;
import com.facebook.android.FacebookError;

public class Feed extends Activity {

	Facebook facebook = new Facebook("409981355705862");
	private SharedPreferences mPrefs;
	static Order order;
	static boolean hasOrdered = false; // checks if user has ordered already,
										// and takes them to payment page if
										// they have
	static String fb_id = "";
	static int width;
	static int height;
	static LinearLayout.LayoutParams buttonParams = new LinearLayout.LayoutParams(
			LinearLayout.LayoutParams.FILL_PARENT,
			LinearLayout.LayoutParams.FILL_PARENT);
	static LinearLayout fullMenu;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
		setTitle("FeedMe");
		// take to payment page if they've already ordered
		if (hasOrdered && InRestaurant.isDoneEating) {
			// launch "payments page"
			Intent myIntent = new Intent(Feed.this, Payment.class);
			Feed.this.startActivity(myIntent);
		} else if (hasOrdered) {
			Intent myIntent = new Intent(Feed.this, InRestaurant.class);
			Feed.this.startActivity(myIntent);
		}

		buttonParams.gravity = Gravity.CENTER_HORIZONTAL;
		Display display = getWindowManager().getDefaultDisplay();
		Point size = new Point();
		width = display.getWidth();
		height = display.getHeight();
		if (order == null) {
			order = new Order();
		}

		// set facebook access token
		mPrefs = getSharedPreferences(Constants.SHARED_PREFS_NAME, 0);
		String access_token = mPrefs.getString("access_token", null);
		long expires = mPrefs.getLong("access_expires", 0);

		if (access_token != null) {
			facebook.setAccessToken(access_token);
		}
		if (expires != 0) {
			facebook.setAccessExpires(expires);
		}

		/*
		 * Only call authorize if the access_token has expired.
		 */
		if (!facebook.isSessionValid()) {
			facebook.authorize(this, new String[] {}, new DialogListener() {

				public void onComplete(Bundle values) {
					SharedPreferences.Editor editor = mPrefs.edit();
					editor.putString("access_token", facebook.getAccessToken());
					editor.putLong("access_expires",
							facebook.getAccessExpires());
					editor.commit();
					Feed.this.showMenu();
				}

				public void onFacebookError(FacebookError error) {
				}

				public void onError(DialogError e) {
				}

				public void onCancel() {
				}
			});
		}
		// if already authorized fb user, then show menu
		else {
			showMenu();
		}
	}

	@Override
	public void onActivityResult(int requestCode, int resultCode, Intent data) {
		super.onActivityResult(requestCode, resultCode, data);

		facebook.authorizeCallback(requestCode, resultCode, data);
	}

	@Override
	public void onResume() {
		super.onResume();
		facebook.extendAccessTokenIfNeeded(this, null);
		if (hasOrdered) {
			// launch "payments page"
			Intent myIntent = new Intent(Feed.this, Payment.class);
			Feed.this.startActivity(myIntent);
		}
		if (fullMenu == null || fullMenu.getChildCount() == 0)
			showMenu();
	}

	static String[] urls = new String[] {
			"http://aht.seriouseats.com/images/20110228-in-n-out-secret-menu%20-%2014.jpg",
			"http://4.bp.blogspot.com/_UIXOn06Pz70/TTtWdtLED4I/AAAAAAAALKU/OLfdrbMZgbU/s800/Thai%2BGrilled%2BChicken%2BSatay%2BSalad%2B1%2B800.jpg",
			"http://img.foodnetwork.com/FOOD/2011/04/12/FN_Neely-BBQ-Chicken_s4x3_lg.jpg",
			"http://www.spokesmanreview.com/media/photos/20080416_pasta.jpg",
			"http://www.aiellospizza.com/pizza-page.jpg",
			"http://i-cdn.apartmenttherapy.com/uimages/kitchen/2008_04_15-PlaneFood.jpg",
			"http://2.bp.blogspot.com/-EmD4HqPa_0Y/Te0aqHx6e0I/AAAAAAAAAls/8RvA0SVcFIM/s1600/3525434659_1e63b3cae8.jpg",
			"http://1.bp.blogspot.com/-qFyNgWsjNz0/Ti7gQp0y-PI/AAAAAAAAAS8/ZvfitVnzD58/s1600/ice-cream_sandwich.jpg"

	};

	public void showMenu() {
		setProgressBarIndeterminateVisibility(true);
		// query facebook for basic user info
		final String[] name = new String[2];
		final ArrayList<JSONObject> menus = new ArrayList<JSONObject>();
		Thread thread = new Thread(new Runnable() {
			public void run() {
				try {

					JSONObject json_user_info;
					String user_info = "";
					user_info = facebook.request("me");
					json_user_info = new JSONObject(user_info);

					// query web client for the following:
					// 1) construct user json object to pass to web client
					// 2) notify them that the user has checked into the
					// restaurant,
					// along with FB user information
					// 3) receive menu info for the restaurant from the site

					// 1) construct user json object to pass to web client
					String first_name = json_user_info.getString("first_name");
					String last_name = json_user_info.getString("last_name");
					fb_id = json_user_info.getString("id");
					JSONObject pass_user_info = new JSONObject();
					pass_user_info.put("first_name", first_name);
					pass_user_info.put("last_name", last_name);
					pass_user_info.put("facebook_id", fb_id);

					JSONObject webRequest = new JSONObject();
					String res_id = Session.getRestaurant();
					webRequest.put("restaurant_id", res_id);
					String table_id = Session.getTable();
					webRequest.put("table_id", table_id);
					webRequest.put("user", pass_user_info);
					// 2) notify them that the user has checked into the
					// restaurant,
					// along with FB user information
					// 3) receive menu info for the restaurant from the site
					Log.v("request", webRequest.toString());
					ArrayList<JSONObject> tempMenu = HTTPClient.SendHttpPost(
							Constants.WEB_CLIENT_REST_URL_USER, webRequest);
					menus.addAll(tempMenu);
					name[0] = first_name;
					name[1] = last_name;
				} catch (Exception e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
		});

		thread.start();
		try {
			thread.join();
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		// Use returned JSONObject to populate layout with food
		ArrayList<Food> menu = new ArrayList<Food>();

		Log.v("foodstart", Integer.toString(menus.size()));
		int counter = 0;
		for (JSONObject m : menus) {
			try {
				/*
				 * COMMENTED OUT REVIEWS // need to grab comments with JSON
				 * request final ArrayList<JSONObject> ratings = new
				 * ArrayList<JSONObject>(); Log.v("foodloop",
				 * Integer.toString(menus.size())); Thread thread2 = new
				 * Thread(new Runnable() { public void run() { try {
				 * 
				 * // query web client for comments based on restaurant // id
				 * JSONObject webRequest = new JSONObject(); String res_id =
				 * Session.getRestaurant(); webRequest.put("restaurant_id",
				 * "1"); Log.v("request", webRequest.toString());
				 * ArrayList<JSONObject> tempComments = HTTPClient
				 * .SendHttpPost( Constants.WEB_CLIENT_REST_URL_COMMENTS,
				 * webRequest); ratings.addAll(tempComments); } catch (Exception
				 * e) { // TODO Auto-generated catch block e.printStackTrace();
				 * } } });
				 * 
				 * thread2.start(); try { thread2.join(); } catch
				 * (InterruptedException e) { // TODO Auto-generated catch block
				 * e.printStackTrace(); }
				 * 
				 * String[] comments = new String[ratings.size()]; for (int i =
				 * 0; i < ratings.size(); i++) { JSONObject rating =
				 * ratings.get(i); comments[i] = (String) rating.get("comment");
				 * }
				 */
				String foodname = (String) m.get("name");
				String name2 = foodname.toLowerCase();
				String mUrl = null;
				if (name2.contains("blt")){
					mUrl = urls[5];
				} else if (name2.contains("pizza")) {
					mUrl = urls[4];
				} else if (name2.contains("fettuccine")){
					mUrl = urls[3];
				} else if (name2.contains("salad")){
					mUrl = urls[1];
				} else if (name2.contains("burger")){
					mUrl = urls[0];
				} else if (name2.contains("chicken")){
					mUrl = urls[2];
				} else if (name2.contains("chocolate")){
					mUrl = urls[6];
				} else if (name2.contains("cream")){
					mUrl = urls[7];
				}
				Food food = new Food((Integer) m.get("id"),
						foodname, (String) m.get("description"),
						mUrl,
						(Integer) m.get("upvotes"),
						(Integer) m.get("downvotes"), (String) m.get("price"));
				menu.add(food);
			} catch (Exception e) {
				e.printStackTrace();
			}
			counter++;
		}
		Collections.sort(menu, new Ranker());
		// put together full menu plus submit order button
		fullMenu = new LinearLayout(this);
		fullMenu.setOrientation(LinearLayout.VERTICAL);

		LinearLayout items = new LinearLayout(this);
		items.setOrientation(LinearLayout.VERTICAL);
		LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
				LinearLayout.LayoutParams.FILL_PARENT,
				LinearLayout.LayoutParams.WRAP_CONTENT);

		layoutParams.setMargins(30, 20, 30, 0);
		final DecimalFormat rounding = new DecimalFormat("#0.00");

		for (final Food f : menu) {
			LinearLayout item = new LinearLayout(this);
			item.setOrientation(LinearLayout.VERTICAL);
			TextView title_and_price = new TextView(this);
			title_and_price.setTextSize(20);
			title_and_price.setText(f.title + "... " + rounding.format(Double.parseDouble(f.price)));
			title_and_price
					.setBackgroundResource(R.drawable.guide_click_botton_bg);
			item.addView(title_and_price);
			ImageView image = new ImageView(this);
			Bitmap bitmap = Cache.get(f.image_url);
			if (bitmap == null) {
				bitmap = HTTPClient.downloadFile(f.image_url);
				Bitmap output = Bitmap.createBitmap(bitmap.getWidth(),
						bitmap.getHeight(), Config.ARGB_8888);
				Canvas canvas = new Canvas(output);

				final int color = 0xff424242;
				final Paint paint = new Paint();
				final Rect rect = new Rect(0, 0, bitmap.getWidth(),
						bitmap.getHeight());
				final RectF rectF = new RectF(rect);
				final float roundPx = 30;

				paint.setAntiAlias(true);
				canvas.drawARGB(0, 0, 0, 0);
				paint.setColor(color);
				canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

				paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
				canvas.drawBitmap(bitmap, rect, rect, paint);
				bitmap = output;
				Cache.put(f.image_url, bitmap);
			}
			BitmapDrawable bg = new BitmapDrawable(getResources(), bitmap);
			item.setBackgroundDrawable(bg);
			RelativeLayout rLayout = new RelativeLayout(this);
			LayoutParams rlParams = new LayoutParams(LayoutParams.FILL_PARENT,
					LayoutParams.FILL_PARENT);
			rLayout.setLayoutParams(rlParams);
			image.setLayoutParams(rlParams);
			RelativeLayout.LayoutParams tParams = new RelativeLayout.LayoutParams(
					LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
			tParams.addRule(RelativeLayout.CENTER_HORIZONTAL,
					RelativeLayout.TRUE);
			tParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM,
					RelativeLayout.TRUE);
			TextView positive = new TextView(Feed.this);
			positive.setText(" +" + f.num_positive);
			positive.setTextSize(22);
			positive.setTypeface(null, Typeface.BOLD);

			positive.setTextColor(Color.rgb(00, 12 * 16, 00));
			TextView negative = new TextView(Feed.this);
			negative.setText(" -" + f.num_negative);
			negative.setTextSize(22);
			negative.setTypeface(null, Typeface.BOLD);

			negative.setTextColor(Color.RED);
			LinearLayout ratings_layout = new LinearLayout(Feed.this);
			ratings_layout.setOrientation(LinearLayout.VERTICAL);
			ratings_layout.addView(positive);
			ratings_layout.addView(negative);
			// ratings_layout.setBackgroundResource(R.drawable.background);
			tParams.height = 135;
			item.addView(ratings_layout, tParams);
			// make each item clickable to take to the food page
			item.setOnClickListener(new OnClickListener() {

				public void onClick(View v) {
					showFood(f);
				}

			});

			items.addView(item, layoutParams);
		}

		items.setBackgroundColor(Color.WHITE);
		ScrollView scroll = new ScrollView(this);
		scroll.addView(items);

		// add submit order button
		Button submitOrder = new Button(this);
		submitOrder.setTextColor(Color.WHITE);
		submitOrder.setBackgroundResource(R.drawable.candidate_first_dark);

		submitOrder.setText("View Order");
		submitOrder.setOnClickListener(new OnClickListener() {

			public void onClick(View v) {
				AlertDialog.Builder done = new AlertDialog.Builder(Feed.this);
				final LinearLayout item_layout = new LinearLayout(Feed.this);
				item_layout.setOrientation(LinearLayout.VERTICAL);
				LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
						LinearLayout.LayoutParams.FILL_PARENT,
						LinearLayout.LayoutParams.WRAP_CONTENT);
				layoutParams.height = 50;
				layoutParams.width = 50;
				layoutParams.setMargins(20, 15, 20, 20);
				double sum = 0;
				final TextView subtotal = new TextView(Feed.this);
				subtotal.setTextSize(22);
				final TextView tax = new TextView(Feed.this);
				tax.setTextSize(22);
				final TextView total = new TextView(Feed.this);
				total.setTextSize(22);
				final DecimalFormat rounding = new DecimalFormat("#0.00");

				for (int i = 0; i < order.size(); i++) {
					final Food food = order.get(i);
					final LinearLayout this_layout = new LinearLayout(Feed.this);
					this_layout.setOrientation(LinearLayout.HORIZONTAL);
					TextView item_description = new TextView(Feed.this);
					item_description.setText(food.title + "... " + food.price);
					sum += Double.parseDouble(food.price);
					item_description.setTextSize(24);
					Button delete = new Button(Feed.this);
					delete.setTextColor(Color.WHITE);
					delete.setBackgroundResource(R.drawable.x);
					delete.setOnClickListener(new OnClickListener() {

						@Override
						public void onClick(View arg0) {
							order.remove(food);
							item_layout.removeView(this_layout);
							double sum = 0;
							for (int n = 0; n < order.size(); n++) {
								sum += Double.parseDouble(order.get(n).price);
							}
							subtotal.setText("Subtotal: $"
									+ rounding.format(sum));
							double tax_cost = sum * .0725;
							tax.setText("Tax: $" + rounding.format(tax_cost));
							double total_cost = sum + tax_cost;
							total.setText("Total: $"
									+ rounding.format(total_cost));

						}

					});
					this_layout.addView(delete, layoutParams);
					this_layout.addView(item_description);
					item_layout.addView(this_layout);
				}
				subtotal.setText("Subtotal: $" + rounding.format(sum));
				double tax_cost = sum * .0725;
				double total_cost = sum + tax_cost;
				tax.setText("Tax: $" + rounding.format(tax_cost));
				total.setText("Total: $" + rounding.format(total_cost));
				LinearLayout cost_layout = new LinearLayout(Feed.this);
				cost_layout.setOrientation(LinearLayout.VERTICAL);
				cost_layout
						.setBackgroundResource(R.drawable.guide_click_botton_bg);
				cost_layout.addView(subtotal);
				cost_layout.addView(tax);
				cost_layout.addView(total);
				item_layout.addView(cost_layout);
				ScrollView scroll = new ScrollView(Feed.this);
				scroll.addView(item_layout);
				done.setView(scroll);
				done.setTitle("View Order");
				done.setPositiveButton("Submit",
						new DialogInterface.OnClickListener() {

							@Override
							public void onClick(DialogInterface dialog,
									int which) {
								order.submitOrder();
								hasOrdered = true;

								// launch "payments page"
								Intent myIntent = new Intent(Feed.this,
										InRestaurant.class);
								Feed.this.startActivity(myIntent);
								dialog.cancel();
							}

						});
				done.setNegativeButton("Cancel",
						new DialogInterface.OnClickListener() {

							@Override
							public void onClick(DialogInterface dialog,
									int which) {
								dialog.cancel();
							}

						});
				done.setCancelable(false);
				done.show();
			}

		});

		// add both elements to full menu

		fullMenu.addView(scroll, width, 3 * height / 4);
		fullMenu.addView(submitOrder, buttonParams);
		setContentView(fullMenu);

	}

	public void showFood(Food food) {
		Intent myIntent = new Intent(Feed.this, ItemActivity.class);
		myIntent.putExtra("food", food);
		Feed.this.startActivity(myIntent);
	}

}