Task #4056: countFoodVote is returning a simple integer indicating the

total count of food votes today
Task #4055: getFoodVote is returning a list of given votes
Task #4245: HTTP POST vote for a menu

src/main/java/de/thm/arsnova/controller/FoodVoteController.java

+/*
+ * Copyright (C) 2012 THM webMedia
+ *
+ * This file is part of ARSnova.
+ *
+ * ARSnova 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.
+ *
+ * ARSnova 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.thm.arsnova.controller;
+
+import java.util.List;
+
+import javax.servlet.http.HttpServletResponse;
+
+import net.sf.json.JSONObject;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import de.thm.arsnova.entities.FoodVote;
+import de.thm.arsnova.services.IFoodService;
+
+@Controller
+public class FoodVoteController extends AbstractController {
+
+	public static final Logger LOGGER = LoggerFactory
+			.getLogger(FoodVoteController.class);
+
+	@Autowired
+	private IFoodService foodService;
+
+	@RequestMapping(value = "/canteen/vote", method = RequestMethod.POST)
+	public final void setFoodVote(
+			@RequestBody final Object menu,
+			final HttpServletResponse response
+		) {
+		String menustring = JSONObject.fromObject(menu).getString("menu");
+		foodService.vote(menustring);
+	}
+	
+	@RequestMapping(value = "/canteen/foodvote", method = RequestMethod.GET)
+	@ResponseBody
+	public final List<FoodVote> getFoodVote() {
+		return foodService.getFoodVote();
+	}
+
+	@RequestMapping(value = "/canteen/foodvotecount", method = RequestMethod.GET)
+	@ResponseBody
+	public final int getFoodVoteCount() {
+		return foodService.getFoodVoteCount();
+	}
+	
+	
+
+}

src/main/java/de/thm/arsnova/dao/CouchDBDao.java

@@ -22,9 +22,11 @@ package de.thm.arsnova.dao;
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
+import java.util.Date;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
@@ -54,6 +56,7 @@ import com.fourspaces.couchdb.ViewResults;
 
 import de.thm.arsnova.entities.Answer;
 import de.thm.arsnova.entities.Feedback;
+import de.thm.arsnova.entities.FoodVote;
 import de.thm.arsnova.entities.LoggedIn;
 import de.thm.arsnova.entities.PossibleAnswer;
 import de.thm.arsnova.entities.Question;
@@ -1031,4 +1034,81 @@ public class CouchDBDao implements IDatabaseDao {
 		}
 		return null;
 	}
+	
+	@Override
+	public void vote(String menu) {
+		User u = this.userService.getCurrentUser();
+		if(u == null) {
+			throw new UnauthorizedException();
+		}
+		
+		String date = new SimpleDateFormat("dd-mm-yyyyy").format(new Date());		
+		try {
+			View view = new View("food_vote/get_user_vote");
+			view.setKey("[" + URLEncoder.encode("\"" + date + "\",\"" + u.getUsername() + "\"", "UTF-8") + "]");
+			ViewResults results = this.getDatabase().view(view);
+			
+			if(results.getResults().isEmpty()) {
+				Document vote = new Document();
+				vote.put("type", "food_vote");
+				vote.put("name", menu);
+				vote.put("user", u.getUsername());
+				vote.put("day", date);
+				this.database.saveDocument(vote);
+			} else {
+				Document vote = results.getResults().get(0);
+				vote.put("name", menu);
+				this.database.saveDocument(vote);	
+			}
+		} catch (UnsupportedEncodingException e) {
+			LOGGER.error("Error while retrieving user food vote", e);
+		} catch (IOException e) {
+			LOGGER.error("Error while saving user food vote", e);
+		}
+	}
+	
+	@Override
+	public List<FoodVote> getFoodVote() {
+		List<FoodVote> foodVotes = new ArrayList<FoodVote>();
+		String date = new SimpleDateFormat("dd-mm-yyyyy").format(new Date());
+		try {
+			View view = new View("food_vote/count_by_day");
+			view.setStartKey("[" + URLEncoder.encode("\"" + date + "\"", "UTF-8") + "]");
+			view.setEndKey("[" + URLEncoder.encode("\"" + date + "\",{}", "UTF-8") + "]");
+			view.setGroup(true);
+			ViewResults results = this.getDatabase().view(view);
+			for(Document d : results.getResults()) {
+				FoodVote vote = new FoodVote();
+				vote.setCount(d.getJSONObject().optInt("value"));
+				vote.setDay(date);
+				vote.setName(d.getJSONObject().getJSONArray("key").getString(1));
+				foodVotes.add(vote);
+			}
+			
+			return foodVotes;
+			
+		} catch (UnsupportedEncodingException e) {
+			LOGGER.error("Error while retrieving food vote count", e);
+		}
+		return foodVotes;
+	}
+	
+	@Override
+	public int getFoodVoteCount() {
+		String date = new SimpleDateFormat("dd-mm-yyyyy").format(new Date());
+		try {
+			View view = new View("food_vote/count_by_day");
+			view.setStartKey("[" + URLEncoder.encode("\"" + date + "\"", "UTF-8") + "]");
+			view.setEndKey("[" + URLEncoder.encode("\"" + date + "\",{}", "UTF-8") + "]");
+			view.setGroup(false);
+			ViewResults results = this.getDatabase().view(view);
+			if(results.size() == 0 || results.getResults().size() == 0) {
+				return 0;
+			}
+			return results.getJSONArray("rows").optJSONObject(0).optInt("value");
+		} catch (UnsupportedEncodingException e) {
+			LOGGER.error("Error while retrieving food vote count", e);
+		}
+		return 0;
+	}
 }

src/main/java/de/thm/arsnova/dao/IDatabaseDao.java

@@ -23,6 +23,7 @@ import java.util.List;
 
 import de.thm.arsnova.entities.Answer;
 import de.thm.arsnova.entities.Feedback;
+import de.thm.arsnova.entities.FoodVote;
 import de.thm.arsnova.entities.LoggedIn;
 import de.thm.arsnova.entities.Question;
 import de.thm.arsnova.entities.Session;
@@ -82,4 +83,10 @@ public interface IDatabaseDao {
 	int getInterposedCount(String sessionKey);
 
 	List<Question> getInterposedQuestions(String sessionKey);
+
+	void vote(String menu);
+
+	int getFoodVoteCount();
+
+	List<FoodVote> getFoodVote();
 }

src/main/java/de/thm/arsnova/entities/FoodVote.java

+package de.thm.arsnova.entities;
+
+
+public class FoodVote {
+	private String _id;
+	private String _rev;
+	private String type;
+	private String name;
+	private int count;
+	private String day;
+	
+	public FoodVote() {
+		this.type = "food_vote";
+	}
+
+	public String get_id() {
+		return _id;
+	}
+
+	public void set_id(String _id) {
+		this._id = _id;
+	}
+
+	public String get_rev() {
+		return _rev;
+	}
+
+	public void set_rev(String _rev) {
+		this._rev = _rev;
+	}
+
+	public String getType() {
+		return type;
+	}
+
+	public void setType(String type) {
+		this.type = type;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public int getCount() {
+		return count;
+	}
+
+	public void setCount(int count) {
+		this.count = count;
+	}
+
+	public String getDay() {
+		return day;
+	}
+
+	public void setDay(String day) {
+		this.day = day;
+	}
+}

src/main/java/de/thm/arsnova/services/FoodService.java

+/*
+ * Copyright (C) 2012 THM webMedia
+ *
+ * This file is part of ARSnova.
+ *
+ * ARSnova 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.
+ *
+ * ARSnova 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.thm.arsnova.services;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import de.thm.arsnova.annotation.Authenticated;
+import de.thm.arsnova.dao.IDatabaseDao;
+import de.thm.arsnova.entities.FoodVote;
+
+@Service
+public class FoodService implements IFoodService {
+
+	@Autowired
+	private IDatabaseDao databaseDao;
+	
+	public final void setDatabaseDao(IDatabaseDao databaseDao) {
+		this.databaseDao = databaseDao;
+	}
+	
+	@Override
+	@Authenticated
+	public void vote(String menu) {
+		this.databaseDao.vote(menu);
+
+	}
+	
+	@Override
+	public List<FoodVote> getFoodVote() {
+		return this.databaseDao.getFoodVote();
+	}
+
+	@Override
+	public int getFoodVoteCount() {
+		return this.databaseDao.getFoodVoteCount();
+	}
+}

src/main/java/de/thm/arsnova/services/IFoodService.java

+/*
+ * Copyright (C) 2012 THM webMedia
+ *
+ * This file is part of ARSnova.
+ *
+ * ARSnova 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.
+ *
+ * ARSnova 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.thm.arsnova.services;
+
+import java.util.List;
+
+import de.thm.arsnova.entities.FoodVote;
+
+public interface IFoodService {
+
+	void vote(String menu);
+
+	int getFoodVoteCount();
+
+	List<FoodVote> getFoodVote();
+
+}

src/test/java/de/thm/arsnova/dao/StubDatabaseDao.java

@@ -10,6 +10,7 @@ import org.springframework.stereotype.Component;
 
 import de.thm.arsnova.entities.Answer;
 import de.thm.arsnova.entities.Feedback;
+import de.thm.arsnova.entities.FoodVote;
 import de.thm.arsnova.entities.LoggedIn;
 import de.thm.arsnova.entities.Question;
 import de.thm.arsnova.entities.Session;
@@ -263,5 +264,23 @@ public class StubDatabaseDao implements IDatabaseDao {
 		// TODO Auto-generated method stub
 		return null;
 	}
+	
+	@Override
+	public void vote(String menu) {
+		// TODO Auto-generated method stub
+		
+	}
+
+	@Override
+	public int getFoodVoteCount() {
+		// TODO Auto-generated method stub
+		return 0;
+	}
+
+	@Override
+	public List<FoodVote> getFoodVote() {
+		// TODO Auto-generated method stub
+		return null;
+	}
 
 }