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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.example.android.wearable.recipeassistant;
     18 
     19 import android.content.Context;
     20 import android.os.Bundle;
     21 import android.os.Parcelable;
     22 import android.util.Log;
     23 
     24 import org.json.JSONArray;
     25 import org.json.JSONException;
     26 import org.json.JSONObject;
     27 
     28 import java.util.ArrayList;
     29 
     30 public class Recipe {
     31     private static final String TAG = "RecipeAssistant";
     32 
     33     public String titleText;
     34     public String summaryText;
     35     public String recipeImage;
     36     public String ingredientsText;
     37 
     38     public static class RecipeStep {
     39         RecipeStep() { }
     40         public String stepImage;
     41         public String stepText;
     42 
     43         public Bundle toBundle() {
     44             Bundle bundle = new Bundle();
     45             bundle.putString(Constants.RECIPE_FIELD_STEP_TEXT, stepText);
     46             bundle.putString(Constants.RECIPE_FIELD_STEP_IMAGE, stepImage);
     47             return bundle;
     48         }
     49 
     50         public static RecipeStep fromBundle(Bundle bundle) {
     51             RecipeStep recipeStep = new RecipeStep();
     52             recipeStep.stepText = bundle.getString(Constants.RECIPE_FIELD_STEP_TEXT);
     53             recipeStep.stepImage = bundle.getString(Constants.RECIPE_FIELD_STEP_IMAGE);
     54             return recipeStep;
     55         }
     56     }
     57     ArrayList<RecipeStep> recipeSteps;
     58 
     59     public Recipe() {
     60         recipeSteps = new ArrayList<RecipeStep>();
     61     }
     62 
     63     public static Recipe fromJson(Context context, JSONObject json) {
     64         Recipe recipe = new Recipe();
     65         try {
     66             recipe.titleText = json.getString(Constants.RECIPE_FIELD_TITLE);
     67             recipe.summaryText = json.getString(Constants.RECIPE_FIELD_SUMMARY);
     68             if (json.has(Constants.RECIPE_FIELD_IMAGE)) {
     69                 recipe.recipeImage = json.getString(Constants.RECIPE_FIELD_IMAGE);
     70             }
     71             JSONArray ingredients = json.getJSONArray(Constants.RECIPE_FIELD_INGREDIENTS);
     72             recipe.ingredientsText = "";
     73             for (int i = 0; i < ingredients.length(); i++) {
     74                 recipe.ingredientsText += " - "
     75                         + ingredients.getJSONObject(i).getString(Constants.RECIPE_FIELD_TEXT) + "\n";
     76             }
     77 
     78             JSONArray steps = json.getJSONArray(Constants.RECIPE_FIELD_STEPS);
     79             for (int i = 0; i < steps.length(); i++) {
     80                 JSONObject step = steps.getJSONObject(i);
     81                 RecipeStep recipeStep = new RecipeStep();
     82                 recipeStep.stepText = step.getString(Constants.RECIPE_FIELD_TEXT);
     83                 if (step.has(Constants.RECIPE_FIELD_IMAGE)) {
     84                     recipeStep.stepImage = step.getString(Constants.RECIPE_FIELD_IMAGE);
     85                 }
     86                 recipe.recipeSteps.add(recipeStep);
     87             }
     88         } catch (JSONException e) {
     89             Log.e(TAG, "Error loading recipe: " + e);
     90             return null;
     91         }
     92         return recipe;
     93     }
     94 
     95     public Bundle toBundle() {
     96         Bundle bundle = new Bundle();
     97         bundle.putString(Constants.RECIPE_FIELD_TITLE, titleText);
     98         bundle.putString(Constants.RECIPE_FIELD_SUMMARY, summaryText);
     99         bundle.putString(Constants.RECIPE_FIELD_IMAGE, recipeImage);
    100         bundle.putString(Constants.RECIPE_FIELD_INGREDIENTS, ingredientsText);
    101         if (recipeSteps != null) {
    102             ArrayList<Parcelable> stepBundles = new ArrayList<Parcelable>(recipeSteps.size());
    103             for (RecipeStep recipeStep : recipeSteps) {
    104                 stepBundles.add(recipeStep.toBundle());
    105             }
    106             bundle.putParcelableArrayList(Constants.RECIPE_FIELD_STEPS, stepBundles);
    107         }
    108         return bundle;
    109     }
    110 
    111     public static Recipe fromBundle(Bundle bundle) {
    112         Recipe recipe = new Recipe();
    113         recipe.titleText = bundle.getString(Constants.RECIPE_FIELD_TITLE);
    114         recipe.summaryText = bundle.getString(Constants.RECIPE_FIELD_SUMMARY);
    115         recipe.recipeImage = bundle.getString(Constants.RECIPE_FIELD_IMAGE);
    116         recipe.ingredientsText = bundle.getString(Constants.RECIPE_FIELD_INGREDIENTS);
    117         ArrayList<Parcelable> stepBundles =
    118                 bundle.getParcelableArrayList(Constants.RECIPE_FIELD_STEPS);
    119         if (stepBundles != null) {
    120             for (Parcelable stepBundle : stepBundles) {
    121                 recipe.recipeSteps.add(RecipeStep.fromBundle((Bundle) stepBundle));
    122             }
    123         }
    124         return recipe;
    125     }
    126 }
    127