@Override
public void onDialogPositiveClick(DialogFragment dialog) {
// User touched the dialog's positive button - "Add to Meal"
FoodInfoFragment frag = (FoodInfoFragment) dialog;
if (replacedFood == null) {
// First prompt for density or servings
if (frag.food.usesMass()) {
if (FoodItem.getAllDensities() == null) {
displayToast("Error: Cannot access densities.", this);
return;
}
findDensityMatches(frag.food);
} else if (!frag.food.usesVolume()) {
DialogFragment servingsDialog = FoodServingFragment.newInstance(frag.food, false);
servingsDialog.show(getFragmentManager(), "FoodServingFragment");
} else {
// Only uses volume, nothing else needed
meal.addFoodItem(frag.food);
displayToast("Added to meal.", this);
saveAndFinish();
}
} else {
// Replace previously added food item
if (frag.food.usesMass()) {
if (FoodItem.getAllDensities() == null) {
displayToast("Error: Cannot access densities.", this);
return;
}
findDensityMatches(frag.food);
} else if (!frag.food.usesVolume()) {
DialogFragment servingsDialog = FoodServingFragment.newInstance(frag.food, false);
servingsDialog.show(getFragmentManager(), "FoodServingFragment");
} else {
// Only uses volume, nothing else needed
meal.replaceFoodItem(replacedFood, frag.food);
displayToast("Replaced food item.", this);
saveAndFinish();
}
}
}
@Override
protected Map<String, Double> doInBackground(Void... params) {
Map<String, Double> results = new HashMap<>();
for (Map.Entry<String, Double> entry : FoodItem.getAllDensities().entrySet()) {
String[] words = food.getName().split("\\s+");
for (String word : words) {
// boolean contains = entry.getKey().toLowerCase().matches(".*\\b" + word.toLowerCase() +
// "\\b.*");
String cleanedWord = word.replaceAll("[^\\w]", "");
if (cleanedWord.equals("")) {
continue;
}
boolean contains =
entry.getKey().toLowerCase().matches(".*\\b" + cleanedWord.toLowerCase() + "\\b.*");
if (contains) {
results.put(entry.getKey(), entry.getValue());
}
}
}
return results;
}
public void findDensityMatchesCallback(Map<String, Double> matches, FoodItem food) {
if (matches.size() == 0) {
displayToast("Error: No density matches found.", this);
} else if (matches.size() == 1) {
// Only one match found, add it automatically
Map.Entry<String, Double> entry = matches.entrySet().iterator().next();
food.setDensity(entry.getValue());
food.setDensityName(entry.getKey());
if (replacedFood == null) {
meal.addFoodItem(food);
displayToast("Added to meal.", this);
saveAndFinish();
} else {
meal.replaceFoodItem(replacedFood, food);
displayToast("Replaced food item.", this);
saveAndFinish();
}
} else {
// Multiple matches. Display dialog list to allow user to pick
displayToast("Multiple densities found.", this);
DialogFragment dialog = FoodDensityFragment.newInstance(food, matches);
dialog.show(getFragmentManager(), "FoodDensityFragment");
}
}
private FoodItem readFoodInfo(JsonReader reader) throws IOException {
FoodItem food = new FoodItem();
reader.beginObject();
while (reader.hasNext()) {
String name = reader.nextName();
if (name.equals("item_name") && reader.peek() != JsonToken.NULL) {
food.setName(reader.nextString());
} else if (name.equals("brand_name") && reader.peek() != JsonToken.NULL) {
food.setBrand(reader.nextString());
} else if (name.equals("nf_serving_size_qty") && reader.peek() != JsonToken.NULL) {
food.setServingSize(reader.nextDouble());
} else if (name.equals("nf_serving_size_unit") && reader.peek() != JsonToken.NULL) {
food.setServingSizeUnit(reader.nextString());
} else if (name.equals("nf_calories")) {
if (reader.peek() == JsonToken.NULL) {
food.setField("Calories", 0.0);
reader.skipValue();
} else {
food.setField("Calories", reader.nextDouble());
}
} else if (name.equals("nf_total_fat")) {
if (reader.peek() == JsonToken.NULL) {
food.setField("Total Fat", 0.0);
reader.skipValue();
} else {
food.setField("Total Fat", reader.nextDouble());
}
} else if (name.equals("nf_sodium")) {
if (reader.peek() == JsonToken.NULL) {
food.setField("Sodium", 0.0);
reader.skipValue();
} else {
food.setField("Sodium", reader.nextDouble());
}
} else if (name.equals("nf_total_carbohydrate")) {
if (reader.peek() == JsonToken.NULL) {
food.setField("Total Carbohydrate", 0.0);
reader.skipValue();
} else {
food.setField("Total Carbohydrate", reader.nextDouble());
}
} else if (name.equals("nf_sugars")) {
if (reader.peek() == JsonToken.NULL) {
food.setField("Sugars", 0.0);
reader.skipValue();
} else {
food.setField("Sugars", reader.nextDouble());
}
} else if (name.equals("nf_protein")) {
if (reader.peek() == JsonToken.NULL) {
food.setField("Protein", 0.0);
reader.skipValue();
} else {
food.setField("Protein", reader.nextDouble());
}
} else {
reader.skipValue();
}
}
reader.endObject();
return food;
}
