/*
* This file is part of anycook. The new internet cookbook
* Copyright (C) 2014 Jan Graßegger
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see [http://www.gnu.org/licenses/].
*/
package de.anycook.discover;
import de.anycook.db.mysql.DBDiscover;
import de.anycook.db.mysql.DBUser;
import de.anycook.location.Location;
import de.anycook.recipe.Recipe;
import de.anycook.recommendation.Recommendation;
import java.sql.SQLException;
import java.util.*;
public class Discover {
public static Discover.Recipes getDiscoverRecipes(int num) throws SQLException {
Recipes recipes = new Recipes();
try (DBDiscover dbDiscover = new DBDiscover()){
recipes.setNewest(dbDiscover.getNewestRecipes(0, num, -1));
recipes.setTasty(dbDiscover.getTastyRecipes(0, num, -1));
recipes.setRecommended(dbDiscover.getPopularRecipes(0, num, -1));
}
return recipes;
}
public static Discover.Recipes getDiscoverRecipes(int num, int userId) throws SQLException {
Recipes recipes = new Recipes();
try (DBDiscover dbDiscover = new DBDiscover()){
recipes.setNewest(dbDiscover.getNewestRecipes(0, num, userId));
recipes.setTasty(dbDiscover.getTastyRecipes(0, num, userId));
List<Recipe> recommended = Recommendation.recommend(userId, num);
if(recommended.size() < 0)
recommended = dbDiscover.getPopularRecipes(0, num, userId);
recipes.setRecommended(recommended);
}
return recipes;
}
public static List<Recipe> getRecommendedRecipes(int start, int num, int userId) throws SQLException {
List<Recipe> recommended = Recommendation.recommend(userId, num);
if (recommended.size() > 0)
return recommended;
return getPopularRecipes(start, num, userId);
}
public static List<Recipe> getTastyRecipes(int offset, int num, int loginId) throws SQLException {
try(DBDiscover discover = new DBDiscover()) {
return discover.getTastyRecipes(offset, num, loginId);
}
}
public static List<Recipe> getNewestRecipes(int offset, int num, int loginId) throws SQLException {
try(DBDiscover discover = new DBDiscover()) {
return discover.getNewestRecipes(offset, num, loginId);
}
}
public static List<Recipe> getPopularRecipes(int offset, int num, int loginId) throws SQLException {
try(DBDiscover discover = new DBDiscover()) {
return discover.getPopularRecipes(offset, num, loginId);
}
}
public static List<Recipe> getNearRecipes(Location location, double maxRadius, int recipeNumber) throws SQLException {
Set<Recipe> recipeSet = new TreeSet<>((o1, o2) -> -Long.compare(o1.getLastChange(), o2.getLastChange()));
try(DBUser dbUser = new DBUser()) {
Map<Integer, Location> locations = dbUser.getUserLocations();
for(Map.Entry<Integer, Location> entry : locations.entrySet()) {
if(location.isInRadius(maxRadius, entry.getValue())) {
List<Recipe> recipes = de.anycook.recipe.Recipes.getRecipesFromUser(entry.getKey(), -1);
recipeSet.addAll(recipes);
}
}
}
List<Recipe> recipes = new LinkedList<>(recipeSet);
return recipes.subList(0, Math.min(recipeNumber, recipes.size()));
}
public static class Recipes{
private List<Recipe> recommended;
private List<Recipe> tasty;
private List<Recipe> newest;
public List<Recipe> getRecommended() {
return recommended;
}
public void setRecommended(List<Recipe> recommended) {
this.recommended = recommended;
}
public List<Recipe> getTasty() {
return tasty;
}
public void setTasty(List<Recipe> tasty) {
this.tasty = tasty;
}
public List<Recipe> getNewest() {
return newest;
}
public void setNewest(List<Recipe> newest) {
this.newest = newest;
}
}
}