gourmetj-springboot/src/main/java/com/mousetech/gourmetj/RecipeDetailBean.java

package com.mousetech.gourmetj;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;

import javax.annotation.PostConstruct;

import javax.faces.event.AjaxBehaviorEvent;
import javax.faces.model.DataModel;
import javax.faces.model.ListDataModel;
import javax.faces.view.ViewScoped;
import javax.inject.Inject;
import javax.inject.Named;
import javax.servlet.http.Part;

import org.apache.commons.lang3.StringUtils;
import org.primefaces.event.FileUploadEvent;
import org.primefaces.model.UploadedFile;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.mousetech.gourmetj.IngredientUI;
import com.mousetech.gourmetj.UserSession;
import com.mousetech.gourmetj.persistence.model.Category;
import com.mousetech.gourmetj.persistence.model.Ingredient;
import com.mousetech.gourmetj.persistence.model.Recipe;
import com.mousetech.gourmetj.persistence.model.Shopcat;
import com.mousetech.gourmetj.persistence.service.RecipeService;
import com.mousetech.gourmetj.springweb.PictureController;
import com.mousetech.gourmetj.utils.IngredientDigester;

/**
 * Backing bean for display/edit recipe detail
 *
 * @author timh
 */

@Named
@ViewScoped
public class RecipeDetailBean implements Serializable {

	private static final long serialVersionUID = 1L;

	/* Logger */

	private static final Logger log =
			LoggerFactory.getLogger(RecipeDetailBean.class);

	// Split lines at 2 or more spaces OR at line terminators.
	private static final String RE_INGSPLIT = "\\s\\s+|\\r?+\\n";

	/**
	 * Default Constructor.
	 */
	public RecipeDetailBean() {
		log.debug("Constructing RecipeDetail " + this);
	}

	/**
	 * Persistency service for Recipes, Shopcats and Categories
	 */

	@Inject
	transient RecipeService recipeService;

	public void setRecipeService(RecipeService service) {
		log.debug("INJECT RECIPESERVICE===" + service);
		this.recipeService = service;
	}

	private String instructions = null;

	@Inject
	UserSession userSession;

	/**
	 * @return the userSession
	 */
	public UserSession getUserSession() {
		return userSession;
	}

	/**
	 * @param userSession the userSession to set
	 */
	public void setUserSession(UserSession userSession) {
		this.userSession = userSession;
	}

	/**
	 * @param instructions the instructions to set
	 * @see #getInstructions()
	 */
	public void setInstructions(String instructions) {
		this.instructions = instructions;
	}

	/**
	 * @param ingredients the ingredients to set
	 */
	public void setIngredients(
			DataModel<IngredientUI> ingredients) {
		this.ingredients = ingredients;
	}

	// **
	private String ingredientText = "";

	/**
	 * @return the ingredientText
	 */
	public String getIngredientText() {
		return ingredientText;
	}

	/**
	 * @param ingredientText the ingredientText to set
	 */
	public void setIngredientText(String ingredientText) {
		this.ingredientText = ingredientText;
	}

	// ==================================

	private Recipe recipe = new Recipe();

	public Recipe getRecipe() {
		if (this.recipe.getId() == null) {
			Long recipeId = userSession.getLastEdit();
			if (recipeId != null) {
				loadRecipe(recipeId);
			}
		}
		return this.recipe;
	}

	/**
	 * @param recipe the recipe to set Required by JSF 2.2, but
	 *               DON'T USE!
	 */
	public void setRecipe(Recipe recipe) {
		this.recipe = recipe;
	}

	public String getTitle() {
		return "ATITLE";
	}

	/**/
	transient DataModel<IngredientUI> ingredients;

	/**/
	private String category = "";

	/**
	 * @return the category as a comma-separated list.
	 * @see #stringifyCategories(Recipe)
	 */
	public String getCategory() {
		return category;
	}

	/**
	 * @param category the category (list) to set
	 * @see #getCategory()
	 */
	public void setCategory(String category) {
		this.category = category;
		this.setDirty();
	}

	private boolean dirty;

	private String modifications;

	/**
	 * @return the dirty
	 */
	public boolean isDirty() {
		return dirty;
	}

	/**
	 * @param dirty the dirty to set
	 */
	public void setDirty(boolean dirty) {
		this.dirty = dirty;
	}

	public void setDirty() {
		setDirty(true);
	}

	/**
	 * @return the ingredients
	 */
	public DataModel<IngredientUI> getIngredients() {
		if (ingredients == null) {
			ingredients = new ListDataModel<>();
			ingredients
				.setWrappedData(new ArrayList<IngredientUI>(1));
		}
		return ingredients;
	}

	/**
	 * After construction and injection, we obtain the recipe ID
	 * passed to us, if any and load the recipe. It's also stored
	 * in @see UserSession for the detail editor and
	 * 
	 * @see PictureController.
	 */
	@PostConstruct
	private void init() {
		this.recipe = userSession.getRecipe();
		/**
		 * For "create new, this recipe is a blank constructed
		 * and passed from main page. For Detail display, it's
		 * null and ID come in via Flash scope. For Detail Edit,
		 * it's passed from detail display or "create new".
		 */
		if (this.recipe == null) {
			Long rid =
					// (Long) JSFUtils.getFlash("recipeID");
					userSession.getLastEdit();
			if (rid != null) {
				this.recipe = loadRecipe(rid);
			} else {
				// alternative (and probably dead) version of
				// "new
				// recipe".
				this.recipe = new Recipe();
				return;
			}
		}
		userSession.setRecipe(this.recipe);

		getIngredients().setWrappedData(
			buildIngredientFacade(recipe.getIngredientHash()));
		stringifyCategories(recipe);

		this.shop = this.getUserSession().getShoppingList()
			.contains(recipe);

		log.info("Set recipe: " + this.recipe);
	}

	/**
	 * Load recipe from database. @see RecipeDetailBean#init()
	 * 
	 * @param recipeId ID of recipe to load
	 * @return loaded recipe or null, if not found.
	 */
	private Recipe loadRecipe(Long recipeId) {
		Recipe recipe = recipeService.findDetails(recipeId);
		if (recipe == null) {
			return null;
		}
		stringifyCategories(recipe);
		return recipe;
	}

	/**
	 * Categories are a Set attached to recipe. Build a
	 * displayable comma-separated list of them.
	 * 
	 * @param recipe Recipe to get categories from.
	 * 
	 * @see #getCategory()
	 */
	private void stringifyCategories(Recipe recipe) {
		Set<Category> cList = recipe.getCategories();
		StringBuffer sb = new StringBuffer(35);
		boolean first = true;
		for (Category cat : cList) {
			if (first) {
				first = false;
			} else {
				sb.append(", ");
			}
			sb.append(cat.getCategory());
		}
		this.category = sb.toString();
	}

	/**
	 * Wrap a list of Ingredients in a decorative facade for
	 * better displayability.
	 * 
	 * Ingredient group is actually part of Ingredient. Add dummy
	 * "ingredients" to make them separate lines.
	 *
	 * @param ingredients
	 * @return Wrapped list
	 */
	private List<IngredientUI> buildIngredientFacade(
			List<Ingredient> ingredients) {
		final List<IngredientUI> list =
				new ArrayList<>(ingredients.size());
		String currentIngGroup = null;

		for (Ingredient ing : ingredients) {
			String ingGroup = ing.getInggroup();
			if (ingGroup != null && ingGroup.isBlank()) {
				ingGroup = null;
			}
			if (!Objects.equals(ingGroup, currentIngGroup)) {
				Ingredient dummy = new Ingredient();
				IngredientUI groupIng = new IngredientUI(dummy);
				groupIng.setItem(ingGroup);
				groupIng.setIngGroup(true);
				list.add(groupIng);
				currentIngGroup = ingGroup;
			}

			IngredientUI ingUi = new IngredientUI(ing);
			list.add(ingUi);
			// Shopcat is an eager fetch on Ingredient
			Shopcat shopCat = ing.getShopCat();
			if (shopCat != null) {
				ingUi.setShopCat(shopCat);
			}
		}
		return list;
	}

	/**
	 * @return the instructions (cached)
	 */
	public String getInstructions() {
		if (instructions == null) {
			instructions = formatInstructions(
				getRecipe().getInstructions());
		}
		return instructions;
	}

	/**
	 * @return the instructions (cached)
	 */
	public String getModifications() {
		if (this.modifications == null) {
			this.modifications = formatInstructions(
				getRecipe().getModifications());
		}
		return this.modifications;
	}

	/**
	 * Convert instruction plain-text to HTML form
	 *
	 * @param instructions
	 * @return
	 */
	private String formatInstructions(String instructions) {
		if (instructions == null) {
			return "";
		}
		String s = instructions.replace("\r\n", "<p/>")
			.replace("\n\n", "<p/>");
		s = s.replace("\n", "<br/>");
		return s;
	}

	/**
	 * Action for "Add Ingredient" button
	 *
	 * @return null - stay on page. The Ingredient list table
	 *         will update.
	 */
	public String doAddIngredient() {
		this.addIngredientList(this.getIngredientText());
		setIngredientText(""); // clear for next entry
		updateSelectionStatus();
		return null;
	}

	// =====
	/**
	 * Handle entry of ingredient line(s) into text control on
	 * the input form.
	 * 
	 * Note: In the original Tobago port of this app, the input
	 * was an inputText. In PrimeFaces, this did not preserve
	 * line separation characters, so an inputTextArea was used
	 * instead.
	 * 
	 * @param event Unused
	 */
	public void ajaxAddIngredient(AjaxBehaviorEvent event) {
		doAddIngredient();
	}

	// ===
	/**
	 * Listen to the SELECT checkboxes on Ingredients and update
	 * the action button statuses.
	 * 
	 * @param event notused
	 */
	public void ajaxSelectionListener(AjaxBehaviorEvent event) {
		updateSelectionStatus();
	}

	/**
	 * Manage the ability buttons based on selections.
	 */
	private void updateSelectionStatus() {
		List<IngredientUI> ingList = getWrappedIngredients();
		final int ingCount = ingList.size();

		boolean moveUpable = true;
		boolean moveDownable = true;
		boolean selectable = false;

		for (int i = 0; i < ingCount; i++) {
			boolean selected = ingList.get(i).isSelected();
			if ((i == 0) && selected) {
				moveUpable = false;
			}
			if ((i == (ingCount - 1)) && selected) {
				moveDownable = false;
			}
			selectable |= selected;
		}
		this.setMoveUpAble(moveUpable && selectable);
		this.setMoveDownAble(moveDownable && selectable);
		this.setSelectable(selectable);

		auditRows(ingList);
	}

	// ---
	public void setMoveUpAble(boolean moveUpable) {
		this.moveUpable = moveUpable;
	}

	public void setMoveDownAble(boolean moveDownable) {
		this.moveDownable = moveDownable;
	}

	public void setSelectable(boolean selectable) {
		this.selectable = selectable;
	}

	public boolean isMoveUpAble() {
		return this.moveUpable;
	}

	public boolean isMoveDownAble() {
		return this.moveDownable;
	}

	public boolean isSelectable() {
		return this.selectable;
	}

	// ---
	public void ajaxMoveUp() {
		if (!isMoveUpAble()) {
			JSFUtils.addErrorMessage("Cannot move up.");
			return;
		}

		final List<IngredientUI> rows = getWrappedIngredients();
		final int ingSize = rows.size();
		for (int i = 1; i < ingSize; i++) {
			IngredientUI r = rows.get(i);
			if (r.isSelected()) {
				// swap with preceding row.
				rows.remove(i);
				rows.add(i - 1, r);
			}
		}
		this.setDirty();
		updateSelectionStatus();
	}

	private void auditRows(List<IngredientUI> rows) {
//		log.info("=== AUDIT ROWS ===");
//		for ( IngredientUI row : rows ) {
//			log.info((row.isSelected() ? "[X]" : "[ ]" ) +" ROW="+row);
//		}
//		log.info("=== DONE ===");
	}

	/**
	 * Move selected rows down.
	 * 
	 * @param eventUnused
	 */
	public void ajaxMoveDown() {
		if (!isMoveDownAble()) {
			JSFUtils.addErrorMessage("Cannot move down.");
			return;
		}

		final List<IngredientUI> rows = getWrappedIngredients();
		final int ingSize = rows.size() - 1;
		for (int i = ingSize; i > 0; i--) {
			IngredientUI r = rows.get(i - 1);
			if (r.isSelected()) {
				// swap with following row.
				rows.remove(i - 1);
				rows.add(i, r);
			}
		}
		updateSelectionStatus();
	}

	public void ajaxDeleteItems() {
		final List<IngredientUI> rows = getWrappedIngredients();
		List<IngredientUI> selectedRows =
				new ArrayList<IngredientUI>();
		for (IngredientUI row : rows) {
			if (row.isSelected()) {
				this.dirty = true;
				// Delete row from list.
				selectedRows.add(row);
			}
		}
		// 2nd stage to avoid ConcurrentModificationException
		for (IngredientUI row : selectedRows) {
			rows.remove(row);
		}
		updateSelectionStatus();
	}

	// =====
	@Inject
	EditShopcatBean editShopcatBean;

	private boolean moveUpable;

	private boolean moveDownable;

	private boolean selectable;

	/**
	 * Invoked when the "E"(dit" button for Ingkey shopping
	 * category has been clicked.
	 * 
	 * @param item The item whose ingredient key will have its
	 *             shopping category edited. Resets the dialog
	 *             backing bean internal state.
	 */
	public void ajaxEditShopcat(IngredientUI item) {
		editShopcatBean.beginEdit(item.getIngkey(),
			item.getShopCat());
	}

	/**
	 * On "OK" for edit shopcat where shopcat has changed, update
	 * the shopcat Entity and the ingredients.
	 */
	public void doUpdateShopcat() {

		final String key = editShopcatBean.getIngkey();
		if (StringUtils.isBlank(key)) {
			return; // Do not set category if no ingKey
		}

		final String catname = editShopcatBean.getShopcatName();

		Shopcat sc = this.recipeService
			.findShopcatForIngredientKey(key);
		if (sc == null) {
			sc = new Shopcat();
			sc.setIngkey(key);
		} else {
			if (StringUtils.equals(sc.getShopcategory(),
				catname)) {
				return; // No change
			}
		}
		sc.setShopcategory(catname);

		/*
		 * Because the database does not have a UNIQUE constraint
		 * on ingkeys, we must delete old shopcat(s) for this key
		 * before adding (updating) the new shopcat.
		 */
		this.recipeService.deleteShopcatByIngKey(key);
		if (!StringUtils.isBlank(catname)) {
			this.recipeService.saveShopcat(sc);
		}
		updateDisplayedShopcats(key, sc);
	}

	/**
	 * When Shopcat name changes, update the Ingredients. In
	 * detailEdit, an AJAX "render" will then update the display.
	 * In recipeDetails, nothing actually shows.
	 */
	private void updateDisplayedShopcats(String key,
			Shopcat sc) {
		List<IngredientUI> ingList =
				this.getWrappedIngredients();
		for (IngredientUI ingUI : ingList) {
			if (key.equals(ingUI.getIngkey())) {
				ingUI.setShopCat(sc);
			}
		}
	}

	/**
	 * Bulk add for ingredients. Looks for long input and if
	 * found, tries to split it up and add as multiple
	 * ingredients.
	 * 
	 * @param ingredientText2
	 * @see #addIngredient(String)
	 */
	private void addIngredientList(String ingredientTextLines) {
		if (ingredientTextLines.length() < 40) {
			addIngredient(ingredientTextLines);
			return;
		}

		// Otherwise, try for split.
		String[] lineArray =
				ingredientTextLines.split(RE_INGSPLIT);
		for (String line : lineArray) {
			if (line.isBlank()) {
				continue; // actually should discard any above
							// this
			}
			if (line.toLowerCase().contains("ingredients")) {
				continue; // actually should discard any above
							// this
			}
			addIngredient(line);
		}
		updateSelectionStatus();
	}

	/**
	 * Add ingredient text line to recipe
	 *
	 * @param ingredientText
	 * @see #doAddIngredient(), bulk loader
	 * @see #addIngredientList(String)
	 */
	public void addIngredient(String ingredientText) {
		log.info("Ingredient line: \"" + ingredientText + "\"");
		Ingredient ing =
				IngredientDigester.digest(ingredientText);
		// get ing list size, set ing position, append
		List<IngredientUI> ingredients = getWrappedIngredients();
		int lsize = ingredients.size();
		ing.setPosition(lsize + 1);
		ingredients.add(new IngredientUI(ing));
	}

	// ===

	/**
	 * Convenience method to get ingredientUI list without
	 * constant whining about unchecked casting.
	 * 
	 * @return
	 */
	@SuppressWarnings("unchecked")
	private List<IngredientUI> getWrappedIngredients() {
		return (List<IngredientUI>) this.getIngredients()
			.getWrappedData();
	}

	private boolean shop = false;

	public boolean isShop() {
		return shop;
	}

	/**
	 * Add/remove recipe to shopping list (toggle)
	 */
	public void doShop() {
		shop = !shop;
		List<Recipe> shoppingList =
				userSession.getShoppingList();
		if (shop) {
			shoppingList.add(recipe);
		} else {
			shoppingList.remove(recipe);
		}
	}

	/**
	 * Save the recipe.
	 * 
	 * @return Main page if OK, re-display with error if cannot
	 *         save ingredients.
	 */
	public String doSave() {
		// if ! isDirty()...
		// Update recipe object based on UI:

		if (!saveIngredients()) {
			JSFUtils
				.addErrorMessage("Could not save Ingredients");
			return null;
		}

		if (recipeService.save(this.getRecipe())) {
			userSession.setRecipe(null);
			return "recipeDetails";
		} else {
			JSFUtils.addErrorMessage("Save recipe failed");
			return null;
		}
	}

	/**
	 * Delete the recipe. This will cause ingredients to be
	 * deleted by cascade.
	 * 
	 * @return Main page
	 */
	public String doDelete() {
		recipeService.delete(this.recipe);
		this.userSession.setLastEdit(null); // Don't point to me!
		return "/main.jsf";
	}

	/**
	 * Update ingredients and shopcat from UI model
	 * 
	 * @return false if a category has no ingredient key to link
	 *         it.
	 */
	private boolean saveIngredients() {
		if (!updateIngredientList()) {
			return false;
		}
		updateRecipeCategories(recipe, category);
		// Rebuild ingredients list with groups applied
		updateRecipeGroups(getWrappedIngredients());
		return true;
	}

	private boolean updateIngredientList() {
		List<IngredientUI> saveIng = getWrappedIngredients();
		List<Ingredient> iList = recipe.getIngredientHash();
		iList.clear();
		for (IngredientUI iui : saveIng) {
			if (iui.isIngGroup()) {
				// Ing group is an attribute of ingredients.
				continue;
			}
			Ingredient ing = iui.getIngredient();
			ing.setRecipe(recipe);
			if (!updateShopcat(iui)) { // Obsolete???
				log.info("Shopcat has not been updated" + iui);
				return false;
			}
			iList.add(ing);
		}
		return true;
	}

	/**
	 * Apply ingredient group IDs (optional) to individual
	 * ingredients.
	 * 
	 * @param wrappedIngredients The wrapped ingredient facade.
	 */
	private void updateRecipeGroups(
			List<IngredientUI> wrappedIngredients) {
		String ingGroup = null;
		for (IngredientUI ingUI : wrappedIngredients) {
			if (ingUI.isIngGroup()) {
				ingGroup = ingUI.getItem();
			} else {
				ingUI.getIngredient().setInggroup(ingGroup);
			}
		}
	}

	/**
	 * Update shopcat for Ingredient.
	 * 
	 * @param ing Ingredient to update
	 * @return true if update succeeded.
	 */
	private boolean updateShopcat(IngredientUI ingUI) {
		final Ingredient ing = ingUI.getIngredient();
		final String ingKey = ing.getIngkey();
		if ((ingKey == null) || (ingKey.isBlank())) {
			ing.setIngkey(null);
			ing.setShopCat(null);
			return true;
		}
		Shopcat scat = recipeService
			.findShopcatForIngredientKey(ingKey);
		if (scat == null) {
			log.debug(
				"No Shopping Category is defined for Ingredient Key "
						+ ingKey);
			// return false;
		}
		ing.setShopCat(scat);
		return true;
	}

	/**
	 * Parse out the comma-separated category text control and
	 * post the results as children of the recipe
	 * 
	 * @param recipe2
	 * @param category2
	 */
	private void updateRecipeCategories(Recipe recipe2,
			String category2) {
		final Set<Category> oldList = recipe2.getCategories();
		List<Category> newList = new ArrayList<Category>();
		String[] cats = this.category.split(",");
		for (String s : cats) {
			s = s.trim();
			if (!s.isEmpty()) {
				Category newCat = new Category();
				newCat.setRecipe(recipe2);
				newCat.setCategory(s);
				newList.add(newCat);
			}
		}
		for (Category cat : newList) {
			// For existing Categories, use existing ID.
			Category ocat = searchCategory(oldList, cat);
			if (ocat != null) {
				cat.setId(ocat.getId());
			}
		}
		recipe.setCategories(new HashSet<Category>(newList));
	}

	private Category searchCategory(Set<Category> oldList,
			Category cat) {
		String catName = cat.getCategory();
		for (Category c : oldList) {
			if (catName.equals(c.getCategory())) {
				return c;
			}
		}
		return null;
	}

	/**
	 * Partial input sent via AJAX when suggestion box is keyed.
	 * called each time a character is entered or removed,
	 * subject (I presume) to the minimum character limit.
	 * 
	 * Use this to assemble the suggestion list.
	 */
	private String cuisinePartial = "";

	/**
	 * @return the cuisinePartial
	 */
	public String getCuisinePartial() {
		return cuisinePartial;
	}

	public List<String> cuisineSuggestions(String query) {
		if (!query.equals(cuisinePartial)) {
			setCuisinePartial(query);
		}
		return getCuisineList();
	}

	/**
	 * Set query for eligibility, force list to rebuild.
	 * 
	 * @param cuisinePartial the cuisinePartial to set
	 */
	public void setCuisinePartial(String cuisinePartial) {
		this.cuisinePartial = cuisinePartial;
		// trigger construction of new list.
		this.cuisineList = null;
	}

	private List<String> masterCuisineList = null;
	private List<String> cuisineList = null;

	/**
	 * Load the Cuisine list, which is assembled by scanning
	 * cuisine fields from all recipes in the database at the
	 * time we are called.
	 */
	private List<String> loadCuisineList() {
		List<String> cuisines = recipeService.findCuisines();
		return cuisines;
	}

	/**
	 * @return the master cuisineList
	 */
	public List<String> getMasterCuisineList() {
		if (this.masterCuisineList == null) {
			this.masterCuisineList = loadCuisineList();
		}
		return this.masterCuisineList;
	}

	/**
	 * @return the cuisineList built by matching the master list
	 *         against the partial cuisine names.
	 */
	public List<String> getCuisineList() {
		if (this.cuisineList == null) {
			this.cuisineList = buildCuisineList();
		}

		return this.cuisineList;
	}

	/**
	 * Using the cuisinePartial, build a subset of the master
	 * cuisine list.
	 * 
	 * @return
	 */
	private List<String> buildCuisineList() {
		List<String> list = new ArrayList<String>();
		String partial = this.cuisinePartial;
		// Handle cases where we aren't set up, or the partial
		// input is blank.
		if (partial == null) {
			return list;
		}
		partial = partial.trim();
		if (partial.isEmpty()) {
			return list;
		}

		List<String> masterList = this.getMasterCuisineList();
		for (String s : masterList) {
			if (s.contains(this.cuisinePartial)) {
				list.add(s);
			}
		}
		return list;
	}

	/**
	 * @param cuisineList the cuisineList to set
	 */
	public void setCuisineList(List<String> cuisineList) {
		this.cuisineList = cuisineList;
	}

	// ***
	// Shopcat for IngredientUI
	private List<String> shopcatList;

	public List<String> shopcatList(String query) {
		if (shopcatList == null) {
			shopcatList = recipeService.findShoppingCategories();
		}
		return shopcatList;
	}

	public void ajaxUpdateShopcat(IngredientUI item) {
		log.warn("SHOPCAT2 ");
		updateShopcat(item);
	}

	// ***

	public String editDescription() {
		this.setDetailTab(0);
		return "detailEdit";
	}

	public String editIngredients() {
		this.setDetailTab(1);
		return "detailEdit";
	}

	public String editInstructions() {
		this.setDetailTab(2);
		return "detailEdit";
	}

	public String editNotes() {
		this.setDetailTab(3);
		return "detailEdit";
	}

	private void setDetailTab(int i) {
		this.userSession.setDetailTab(i);
	}

	// ***
	// *** Category suggestions
	private String catToAdd = "";
	private List<String> suggestCategory = null;

	/**
	 * @return the catToAdd
	 */
	public String getCatToAdd() {
		return catToAdd;
	}

	/**
	 * @param catToAdd the catToAdd to set
	 */
	public void setCatToAdd(String catToAdd) {
		this.catToAdd = catToAdd;
	}

	/**
	 * @return the suggestCategory List
	 */
	public List<String> getSuggestCategory() {
		if (suggestCategory == null) {
			suggestCategory = loadCategories();
		}
		return suggestCategory;
	}

	private List<String> loadCategories() {
		List<String> catList =
				this.recipeService.findCategories();
		return catList;
	}

	/**
	 * @param suggestCategory the suggestCategory to set
	 */
	public void setSuggestCategory(
			List<String> suggestCategory) {
		this.suggestCategory = suggestCategory;
	}

	public void ajaxSuggestCategory(AjaxBehaviorEvent event) {
		if (!this.category.isBlank()) {
			this.category += ", ";
		}
		this.category += catToAdd;
		catToAdd = "";
	}

	public void getAjaxSuggestCategory() {
		if (!this.category.isBlank()) {
			this.category += ", ";
		}
		this.category += catToAdd;
		catToAdd = "";
	}

	// ***

	Part imageFile = null;

	/**
	 * @return the imageFile set by the image upload control
	 */
	public Part getImageFile() {
		return imageFile;
	}

	/**
	 * @param imageFile the imageFile to set
	 */
	public void setImageFile(Part imageFile) {
		this.imageFile = imageFile;
	}

	/**
	 * Load/replace images. Computes thumbnail.
	 * 
	 * @param event PrimeFaces file upload event object
	 */
	public void ajaxUploadImage(FileUploadEvent event) {
		UploadedFile foo = event.getFile();

		PictureController.importImage(recipe, foo.getContents());
	}

	/**
	 * Remove images from recipe
	 * 
	 * @param event Notused
	 */
	public void ajaxDeleteImage(AjaxBehaviorEvent event) {
		this.recipe.setImage(null);
		this.recipe.setThumb(null);
	}

	/**
	 * Return marker for image. Unlike normal JSF, I don't care
	 * if it gets multiple times and returns different values.
	 * 
	 * @return "random" string
	 */
	public String getCurrentTime() {
		long now = new java.util.Date().getTime();
		return String.valueOf(now);
	}

	// *** Add Group

	private String newGroupName;

	/**
	 * @return the newGroupName
	 */
	public String getNewGroupName() {
		return newGroupName;
	}

	/**
	 * @param newGroupName the newGroupName to set
	 */
	public void setNewGroupName(String newGroupName) {
		this.newGroupName = newGroupName;
	}

	/**
	 * Add new group to bottom of model as AJAX operation.
	 * 
	 * @return null
	 */
	public void doAddGroup() {
		IngredientUI iui = new IngredientUI(null);
		iui.setIngGroup(true);
		iui.setItem(this.getNewGroupName());
		List<IngredientUI> ingUIList =
				this.getWrappedIngredients();
		ingUIList.add(iui);
		this.setNewGroupName(""); // Clear for next time!
	}
}