Merge branch 'merge'

server/build.gradle

@@ -18,16 +18,10 @@ dependencies {
 	runtimeOnly 'mysql:mysql-connector-java'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 
-	// Spring security
-	//implementation 'org.springframework.boot:spring-boot-starter-security'
-	//implementation 'org.springframework.security:spring-security-test'
-
 	// JSON web token
 	implementation 'io.jsonwebtoken:jjwt-api:0.11.2'
 	runtimeOnly 'io.jsonwebtoken:jjwt-impl:0.11.2',
-			// Uncomment the next line if you want to use RSASSA-PSS (PS256, PS384, PS512) algorithms:
-			//'org.bouncycastle:bcprov-jdk15on:1.60',
-			'io.jsonwebtoken:jjwt-jackson:0.11.2' // or 'io.jsonwebtoken:jjwt-gson:0.11.2' for gson
+			'io.jsonwebtoken:jjwt-jackson:0.11.2'
 }
 
 test {

server/src/main/java/com/vpr/server/ServerApplication.java

@@ -1,3 +1,4 @@
+//Marc Beyer//
 package com.vpr.server;
 
 import org.springframework.boot.SpringApplication;

server/src/main/java/com/vpr/server/controller/AuthController.java

@@ -0,0 +1,16 @@
+//Marco Kühn//
+package com.vpr.server.controller;
+
+import com.vpr.server.data.User;
+import com.vpr.server.repository.UserRepository;
+
+public class AuthController {
+
+    public User getAuthUserFromHeader(String authorizationHeader, UserRepository userRepository){
+        String[] splitAuthHeader = authorizationHeader.split("\\s");
+        if(splitAuthHeader.length == 2){
+            return userRepository.findByToken(splitAuthHeader[1]);
+        }
+        return null;
+    }
+}

server/src/main/java/com/vpr/server/controller/EventController.java

@@ -1,9 +1,10 @@
+//Marc Beyer//
 package com.vpr.server.controller;
 
+import com.vpr.server.dao.interfaces.EventDAO;
 import com.vpr.server.data.Event;
 import com.vpr.server.data.User;
 import com.vpr.server.data.UserEvent;
-import com.vpr.server.dao.interfaces.EventDAO;
 import com.vpr.server.json.JSONMapper;
 import com.vpr.server.json.Validator;
 import com.vpr.server.repository.EventRepository;
@@ -15,8 +16,7 @@ import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.*;
 
-import java.sql.Time;
-import java.text.SimpleDateFormat;
+import java.util.Date;
 import java.util.List;
 
 @Controller
@@ -96,7 +96,7 @@ public class EventController {
 
         List<Event> eventList = eventDAO.getAllEventsInTimespan(authUser.getId(), startDate, endDate);
 
-        return new ResponseEntity<>(JSONMapper.ToJSON(eventList), HttpStatus.OK);
+        return new ResponseEntity<>(JSONMapper.eventListToJSON(eventList), HttpStatus.OK);
     }
 
 
@@ -117,7 +117,10 @@ public class EventController {
     ) {
         User authUser = userRepository.findByToken(authorizationHeader.split("\\s")[1]);
         if (authUser == null || (!authUser.isAdmin() && authUser.getId() != userId)) {
-            return new ResponseEntity<>("Du hast keine Rechte um den Termin zu bearbeiten", HttpStatus.UNAUTHORIZED);
+            return new ResponseEntity<>(
+                    "Du hast keine Rechte um den Termin zu bearbeiten",
+                    HttpStatus.UNAUTHORIZED
+            );
         }
 
         List<Event> eventList = eventDAO.getAllEventsWithIdAndDate(userId, eventId, date);
@@ -126,21 +129,70 @@ public class EventController {
             return new ResponseEntity<>("Der Termin exestiert nicht in der Datenbank", HttpStatus.BAD_REQUEST);
         }
         if (eventList.size() > 1) {
-            return new ResponseEntity<>("Drr Termin ist doppelt vorhanden. (Um das zu lösen versuche den Termin zu löschen und erneut zu erstellen)", HttpStatus.BAD_REQUEST);
+            return new ResponseEntity<>(
+                    "Der Termin ist doppelt vorhanden. " +
+                            "(Um das zu lösen versuche den Termin zu löschen und erneut zu erstellen)",
+                    HttpStatus.BAD_REQUEST
+            );
         }
 
+        ResponseEntity<String> error = createEventAndUserEvent(
+                userId,
+                newDate,
+                newName,
+                newStart,
+                newEnd,
+                newPriority,
+                newIsFullDay,
+                newIsPrivate,
+                eventId
+        );
+
+        if (error != null) return error;
+
         eventRepository.deleteUserEventsById(userId, eventId, date);
         if (eventDAO.getAllEventsWithId(eventId).size() == 0) {
             eventRepository.deleteById(eventId);
         }
 
-        ResponseEntity<String> BAD_REQUEST = createEventAndUserEvent(userId, newDate, newName, newStart, newEnd, newPriority, newIsFullDay, newIsPrivate);
-        if (BAD_REQUEST != null) return BAD_REQUEST;
 
         return new ResponseEntity<>("", HttpStatus.OK);
     }
 
-    private ResponseEntity<String> createEventAndUserEvent(long userId, String date, String name, String start, String end, Integer priority, Boolean isFullDay, Boolean isPrivate) {
+    private ResponseEntity<String> createEventAndUserEvent(
+            long userId,
+            String date,
+            String name,
+            String start,
+            String end,
+            Integer priority,
+            Boolean isFullDay,
+            Boolean isPrivate
+    ) {
+        return createEventAndUserEvent(
+                userId,
+                date,
+                name,
+                start,
+                end,
+                priority,
+                isFullDay,
+                isPrivate,
+                -1
+        );
+    }
+
+    private ResponseEntity<String> createEventAndUserEvent(
+            long userId,
+            String date,
+            String name,
+            String start,
+            String end,
+            Integer priority,
+            Boolean isFullDay,
+            Boolean isPrivate,
+            long oldEventId
+    ) {
         User user = userRepository.findById(userId);
         if (user == null) {
             return new ResponseEntity<>("UserId nicht korrekt", HttpStatus.BAD_REQUEST);
@@ -162,6 +214,29 @@ public class EventController {
             userEvent.setEvent(event);
             userEvent.setUser(user);
 
+            List<UserEvent> userEvents = userEventRepository.findByUserIdAndDate(user.getId(), userEvent.getDate());
+
+            boolean isFullDayButDayHasEvents = event.isFullDay() && userEvents.size() > 0;
+            boolean userEventIsSelf = userEvents.size() == 1 &&
+                    isSelf(userEvent.getDate(), userId, oldEventId, userEvents.get(0));
+
+            if (isFullDayButDayHasEvents && !userEventIsSelf) {
+                return new ResponseEntity<>(
+                        "Es gibt bereits Termine am " + userEvent.getDate(),
+                        HttpStatus.BAD_REQUEST
+                );
+            } else {
+                for (UserEvent ue : userEvents) {
+                    if (ue.getEvent().isFullDay() && !isSelf(userEvent.getDate(), userId, oldEventId, ue)) {
+                        return new ResponseEntity<>(
+                                "Der Tag " + userEvent.getDate() + " ist schon mit '"
+                                        + ue.getEvent().getName() + "' belegt",
+                                HttpStatus.BAD_REQUEST
+                        );
+                    }
+                }
+            }
+
             eventRepository.save(event);
             userEventRepository.save(userEvent);
         } catch (IllegalArgumentException exception) {
@@ -169,4 +244,10 @@ public class EventController {
         }
         return null;
     }
+
+    private boolean isSelf(Date date, long userId, long eventId, UserEvent userEvent){
+        return date.equals(userEvent.getDate()) &&
+                userId == userEvent.getUser().getId() &&
+                eventId == userEvent.getEvent().getId();
+    }
 }

server/src/main/java/com/vpr/server/controller/MainController.java

@@ -1,8 +1,6 @@
+//Marc Beyer//
 package com.vpr.server.controller;
 
-import com.vpr.server.data.Event;
-import com.vpr.server.data.User;
-import com.vpr.server.data.UserEvent;
 import com.vpr.server.repository.EventRepository;
 import com.vpr.server.repository.UserEventRepository;
 import com.vpr.server.repository.UserRepository;
@@ -10,25 +8,16 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.*;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.server.ResponseStatusException;
 
-import java.sql.Time;
-import java.text.SimpleDateFormat;
-
 @Controller // This means that this class is a Controller
 @RequestMapping(path = "/vpr") // This means URL's start with /demo (after Application path)
 public class MainController {
 
-    // This means to get the bean called userRepository
-    // Which is auto-generated by Spring, we will use it to handle the data
-    @Autowired
-    private UserRepository userRepository;
-    @Autowired
-    private EventRepository eventRepository;
-    @Autowired
-    private UserEventRepository userEventRepository;
-
     @GetMapping(path = "/status-test")
     public String statusTest(){
         throw new ResponseStatusException(HttpStatus.I_AM_A_TEAPOT, "TestTestTest");

server/src/main/java/com/vpr/server/controller/UserController.java

@@ -1,6 +1,9 @@
+//Marc Beyer//
 package com.vpr.server.controller;
 
+import com.vpr.server.dao.interfaces.UserDAO;
 import com.vpr.server.data.User;
+import com.vpr.server.json.JSONMapper;
 import com.vpr.server.repository.UserRepository;
 import com.vpr.server.security.Hasher;
 import com.vpr.server.security.Token;
@@ -9,17 +12,25 @@ import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.*;
-import org.springframework.web.server.ResponseStatusException;
 
 import java.security.NoSuchAlgorithmException;
 import java.security.spec.InvalidKeySpecException;
 import java.util.Arrays;
+import java.util.List;
 
 @Controller
 @RequestMapping(path = "/user")
 public class UserController {
     @Autowired
     private UserRepository userRepository;
+    @Autowired
+    private UserDAO userDAO;
+
+    private final AuthController authController;
+
+    public UserController() {
+        this.authController = new AuthController();
+    }
 
     /******************
      * POST-ENDPOINTS *
@@ -35,9 +46,9 @@ public class UserController {
             @RequestParam String password,
             @RequestParam Boolean isAdmin
     ) {
-        User authUser = userRepository.findByToken(authorizationHeader.split("\\s")[1]);
-        if(authUser == null || authUser.isAdmin()){
-            return new ResponseEntity<>( "Du hast keine Rechte um den Termin zu löschen", HttpStatus.UNAUTHORIZED);
+        User authUser = authController.getAuthUserFromHeader(authorizationHeader, userRepository);
+        if (authUser == null || !authUser.isAdmin()) {
+            return new ResponseEntity<>("Du hast keine Rechte um einen User an zu legen", HttpStatus.UNAUTHORIZED);
         }
 
         if (userRepository.findByLogin(login) != null) {
@@ -73,6 +84,27 @@ public class UserController {
             @RequestParam String login,
             @RequestParam String password
     ) {
+        if(userRepository.findAllUsernames().length == 0){
+            byte[] salt = Hasher.GenerateSalt();
+            byte[] hash;
+            try {
+                hash = Hasher.HashPassword(password, salt);
+            } catch (NoSuchAlgorithmException | InvalidKeySpecException e) {
+                e.printStackTrace();
+                return new ResponseEntity<>("Fehler beim hashen", HttpStatus.INTERNAL_SERVER_ERROR);
+            }
+
+            User user = new User();
+            user.setName("Admin");
+            user.setForename(login);
+            user.setLogin(login);
+            user.setPassword(hash);
+            user.setSalt(salt);
+            user.setToken("");
+            user.setAdmin(true);
+
+            userRepository.save(user);
+        }
         System.out.println(login + " tries to login.");
         User user = userRepository.findByLogin(login);
         if (user == null) {
@@ -106,26 +138,95 @@ public class UserController {
         return new ResponseEntity<>("Falscher login", HttpStatus.UNAUTHORIZED);
     }
 
-    @PostMapping(path = "/del")
-    public @ResponseBody ResponseEntity<String> deleteUser(
+    @PostMapping(path = "/login-with-token")
+    public @ResponseBody
+    ResponseEntity<String> loginWithToken(
             @RequestHeader("Authorization") String authorizationHeader,
-            @RequestParam Integer userId
+            @RequestParam long userId
     ) {
-        User authUser = userRepository.findByToken(authorizationHeader.split("\\s")[1]);
-        if(authUser == null || authUser.isAdmin()){
-            return new ResponseEntity<>( "Du hast keine Rechte um den Termin zu löschen", HttpStatus.UNAUTHORIZED);
+        User authUser = authController.getAuthUserFromHeader(authorizationHeader, userRepository);
+        if (authUser == null || authUser.getId() != userId) {
+            return new ResponseEntity<>("Falscher auth-token", HttpStatus.UNAUTHORIZED);
         }
-        userRepository.deleteById(Long.valueOf(userId));
         return new ResponseEntity<>("", HttpStatus.OK);
     }
 
-    /*****************
-     * GET-ENDPOINTS *
-     *****************/
-
-    @GetMapping(path = "/all")
+    @PostMapping(path = "/del")
     public @ResponseBody
-    Object[] getAllUsers() {
-        return userRepository.findAllUsernames();
+    ResponseEntity<String> deleteUser(
+            @RequestHeader("Authorization") String authorizationHeader,
+            @RequestParam long userId
+    ) {
+        User authUser = authController.getAuthUserFromHeader(authorizationHeader, userRepository);
+        if (authUser == null || !authUser.isAdmin()) {
+            return new ResponseEntity<>("Du hast keine Rechte um den User zu löschen", HttpStatus.UNAUTHORIZED);
+        }
+        User user = userRepository.findById(userId);
+        if (user == null) {
+            return new ResponseEntity<>("User nicht in der Datenbank vorhanden", HttpStatus.BAD_REQUEST);
+        }
+        if(!userDAO.deleteAllUserEvents(user.getId())){
+            return new ResponseEntity<>("User konnte nicht gelöscht werden", HttpStatus.INTERNAL_SERVER_ERROR);
+        }
+        userRepository.delete(user);
+        return new ResponseEntity<>("", HttpStatus.OK);
+    }
+
+    @PostMapping(path = "/edit")
+    public @ResponseBody ResponseEntity<String> editUser(
+            @RequestHeader("Authorization") String authorizationHeader,
+            @RequestParam long userId,
+            @RequestParam String name,
+            @RequestParam String forename,
+            @RequestParam String login,
+            @RequestParam(required = false) String password,
+            @RequestParam Boolean isAdmin
+    ) {
+        User authUser = authController.getAuthUserFromHeader(authorizationHeader, userRepository);
+        if (authUser == null || (!authUser.isAdmin() && authUser.getId() != userId)) {
+            return new ResponseEntity<>("Du hast keine Rechte um den User zu editieren", HttpStatus.UNAUTHORIZED);
+        }
+        if(isAdmin && !authUser.isAdmin()){
+            return new ResponseEntity<>("Du hast keine Rechte um dich zum Admin zu machen", HttpStatus.UNAUTHORIZED);
+        }
+        User user = userRepository.findById(userId);
+        if (user == null) {
+            return new ResponseEntity<>("User nicht in der Datenbank vorhanden", HttpStatus.BAD_REQUEST);
+        }
+
+        User userWithLogin = userRepository.findByLogin(login);
+        if (userWithLogin != null && userWithLogin.getId() != userId) {
+            return new ResponseEntity<>("Login exestiert bereits", HttpStatus.BAD_REQUEST);
+        }
+
+        if(password != null){
+            byte[] salt = Hasher.GenerateSalt();
+            byte[] hash;
+            try {
+                hash = Hasher.HashPassword(password, salt);
+                user.setPassword(hash);
+                user.setSalt(salt);
+            } catch (NoSuchAlgorithmException | InvalidKeySpecException e) {
+                e.printStackTrace();
+                return new ResponseEntity<>("Fehler beim hashen", HttpStatus.INTERNAL_SERVER_ERROR);
+            }
+        }
+
+        user.setName(name);
+        user.setForename(forename);
+        user.setLogin(login);
+        user.setToken("");
+        user.setAdmin(isAdmin);
+
+        userRepository.save(user);
+        return new ResponseEntity<>("", HttpStatus.OK);
+    }
+
+    @PostMapping(path = "/all")
+    public @ResponseBody
+    ResponseEntity<String> getAllUser() {
+        List<User> userList = userDAO.getAllUser();
+
+        return new ResponseEntity<>(JSONMapper.userListToJSON(userList), HttpStatus.OK);
     }
 }

server/src/main/java/com/vpr/server/dao/implementation/EventDAOImplementation.java

@@ -1,3 +1,4 @@
+//Marc Beyer//
 package com.vpr.server.dao.implementation;
 
 import com.vpr.server.dao.interfaces.EventDAO;

server/src/main/java/com/vpr/server/dao/implementation/UserDAOImplementation.java

@@ -0,0 +1,37 @@
+//Marc Beyer//
+package com.vpr.server.dao.implementation;
+
+import com.vpr.server.dao.interfaces.UserDAO;
+import com.vpr.server.data.User;
+import org.springframework.stereotype.Repository;
+
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+import javax.transaction.Transactional;
+import java.util.List;
+
+@Repository
+@Transactional
+public class UserDAOImplementation implements UserDAO {
+
+    @PersistenceContext
+    private EntityManager manager;
+
+    @Override
+    public List<User> getAllUser() {
+        return manager.createNamedQuery("getAllUser", User.class).getResultList();
+    }
+
+    @Override
+    public boolean deleteAllUserEvents(long userId) {
+        try {
+            manager.createNamedQuery("deleteAllUserEvents", User.class)
+                    .setParameter("userId", userId)
+                    .executeUpdate();
+
+            return true;
+        }catch (Exception e){
+            return false;
+        }
+    }
+}

server/src/main/java/com/vpr/server/dao/interfaces/EventDAO.java

@@ -1,3 +1,4 @@
+//Marc Beyer//
 package com.vpr.server.dao.interfaces;
 
 import com.vpr.server.data.Event;

server/src/main/java/com/vpr/server/dao/interfaces/UserDAO.java

@@ -0,0 +1,12 @@
+//Marc Beyer//
+package com.vpr.server.dao.interfaces;
+
+import com.vpr.server.data.User;
+
+import java.util.List;
+
+public interface UserDAO {
+    List<User> getAllUser();
+
+    boolean deleteAllUserEvents(long userId);
+}

server/src/main/java/com/vpr/server/data/DateEvent.java

@@ -1,3 +1,4 @@
+//Marc Beyer//
 package com.vpr.server.data;
 
 import java.sql.Date;

server/src/main/java/com/vpr/server/data/Event.java

@@ -1,3 +1,4 @@
+//Marc Beyer//
 package com.vpr.server.data;
 
 import javax.persistence.*;
@@ -20,7 +21,7 @@ import java.util.List;
                     "INNER JOIN user_event ue " +
                     "ON e.id = ue.event_id " +
                     "WHERE (ue.user_id = :userId OR e.is_private = 0) " +
-                    "AND ue.date > :startDate " +
+                    "AND ue.date >= :startDate " +
                     "AND ue.date < :endDate " +
                     "ORDER BY ue.date, e.priority DESC, e.start",
             resultClass = Event.class
@@ -154,4 +155,20 @@ public class Event implements Serializable {
                 ", userEvent=" + userEvent +
                 '}';
     }
+
+    @Override
+    public boolean equals(Object obj){
+        if(!(obj instanceof Event)){
+            return false;
+        }
+
+        Event event = (Event) obj;
+        System.out.println(event.getId() + " " + getId());
+        return event.getId() == getId();
+    }
+
+    @Override
+    public int hashCode(){
+        return (int)getId();
+    }
 }

server/src/main/java/com/vpr/server/data/User.java

@@ -1,10 +1,29 @@
+//Marc Beyer//
 package com.vpr.server.data;
 
 import javax.persistence.*;
 import java.util.List;
 
 // @Entity creates a table out of this class with Hibernate
-@Entity
+@Entity(name = "User")
+@Table(name = "user")
+
+@SqlResultSetMapping(name="deleteResult", columns = {
+        @ColumnResult(name = "count")
+})
+
+@NamedNativeQueries({
+    @NamedNativeQuery(
+        name = "getAllUser",
+        query = "SELECT * FROM user",
+        resultClass = User.class
+    ),
+    @NamedNativeQuery(
+        name = "deleteAllUserEvents",
+        query = "DELETE FROM user_event WHERE user_id = :userId",
+            resultSetMapping = "deleteResult"
+    )
+})
 public class User {
     // Generate the primary key
     @Id
@@ -110,4 +129,19 @@ public class User {
     public void setEventList(List<UserEvent> userEvent) {
         this.userEvent = userEvent;
     }
+
+    @Override
+    public boolean equals(Object obj){
+        if(!(obj instanceof User)){
+            return false;
+        }
+
+        User user = (User) obj;
+        return user.getId() == getId();
+    }
+
+    @Override
+    public int hashCode(){
+        return (int)getId();
+    }
 }

server/src/main/java/com/vpr/server/data/UserEvent.java

@@ -1,3 +1,4 @@
+//Marc Beyer//
 package com.vpr.server.data;
 
 import javax.persistence.*;
@@ -60,4 +61,41 @@ public class UserEvent {
                 ", date=" + date +
                 '}';
     }
+
+    @Override
+    public boolean equals(Object obj){
+        System.out.println("equals");
+        if(!(obj instanceof UserEvent)){
+            System.out.println("not an userevent");
+            return false;
         }
+
+        UserEvent userEvent = (UserEvent) obj;
+
+        System.out.println("date " + userEvent.getDate().equals(getDate()));
+        System.out.println("user " + userEvent.getUser().equals(getUser()));
+        System.out.println("event " + userEvent.getEvent().equals(getEvent()));
+
+        return userEvent.getDate().equals(getDate()) &&
+                userEvent.getUser().equals(getUser()) &&
+                userEvent.getEvent().equals(getEvent());
+    }
+
+    @Override
+    public int hashCode(){
+        long hash = getUser().hashCode() +
+                getEvent().hashCode() +
+                getDate().hashCode();
+
+        return (int)hash;
+    }
+}
+
+
+
+
+
+
+
+
+

server/src/main/java/com/vpr/server/data/UserEventId.java

@@ -1,3 +1,4 @@
+//Marc Beyer//
 package com.vpr.server.data;
 
 import java.io.Serializable;

server/src/main/java/com/vpr/server/json/JSONMapper.java

@@ -1,14 +1,38 @@
+//Marco Kühn//
 package com.vpr.server.json;
 
 import com.vpr.server.data.Event;
+import com.vpr.server.data.User;
 import com.vpr.server.data.UserEvent;
-import java.sql.Time;
 
+import java.sql.Time;
 import java.util.ArrayList;
 import java.util.List;
 
 public class JSONMapper {
-    public static List<String> ToJSON(Event event){
+
+    public static String userToJSON(User user) {
+        return "{" +
+                "\"userId\": " + user.getId() + ", " +
+                "\"forename\": \"" + user.getForename() + "\", " +
+                "\"name\": \"" + user.getName() + "\", " +
+                "\"login\": \"" + user.getLogin() + "\"," +
+                "\"admin\": " + user.isAdmin() +
+                "}";
+    }
+
+    public static String userListToJSON(List<User> userList) {
+        StringBuilder userListJSON = new StringBuilder();
+        for (User user : userList) {
+            userListJSON.append(", ");
+            userListJSON.append(userToJSON(user));
+        }
+        userListJSON.delete(0, 2);
+
+        return "[" + userListJSON + "]";
+    }
+
+    public static List<String> eventToJSON(Event event) {
         List<String> eventListJSON = new ArrayList<>();
 
         for (UserEvent userEvent : event.getUserEvent()) {
@@ -22,8 +46,8 @@ public class JSONMapper {
                     "\"priority\": " + event.getPriority() + "," +
                     "\"fullDay\": " + event.isFullDay() + "," +
                     "\"private\": " + event.isPrivate() + "," +
-                        "\"start\": " + ToJSON(event.getStart()) + "," +
-                        "\"end\": " + ToJSON(event.getEnd()) +
+                    "\"start\": " + timeToJSON(event.getStart()) + "," +
+                    "\"end\": " + timeToJSON(event.getEnd()) +
                     "}";
 
             eventListJSON.add(eventJSON);
@@ -32,10 +56,10 @@ public class JSONMapper {
         return eventListJSON;
     }
 
-    public static String ToJSON(List<Event> eventList){
+    public static String eventListToJSON(List<Event> eventList) {
         StringBuilder eventListJSON = new StringBuilder();
         for (Event event : eventList) {
-            List<String> eventsJSON = ToJSON(event);
+            List<String> eventsJSON = eventToJSON(event);
             for (String eventJSON : eventsJSON) {
                 eventListJSON.append(", ");
                 eventListJSON.append(eventJSON);
@@ -46,7 +70,7 @@ public class JSONMapper {
         return "[" + eventListJSON + "]";
     }
 
-    public static String ToJSON(Time time){
+    public static String timeToJSON(Time time) {
         if (time == null) {
             return "null";
         }

server/src/main/java/com/vpr/server/json/Validator.java

@@ -1,9 +1,6 @@
+//Marc Beyer//
 package com.vpr.server.json;
 
-import com.vpr.server.data.UserEvent;
-import org.springframework.http.HttpStatus;
-import org.springframework.http.ResponseEntity;
-
 import java.sql.Date;
 import java.sql.Time;
 import java.text.SimpleDateFormat;

server/src/main/java/com/vpr/server/repository/EventRepository.java

@@ -1,18 +1,12 @@
+//Marc Beyer//
 package com.vpr.server.repository;
 
 import com.vpr.server.data.Event;
-import com.vpr.server.data.UserEvent;
 import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.CrudRepository;
 
-import javax.persistence.ColumnResult;
-import javax.persistence.ConstructorResult;
-import javax.persistence.NamedNativeQuery;
-import javax.persistence.SqlResultSetMapping;
 import javax.transaction.Transactional;
-import java.util.List;
-import java.util.Optional;
 
 // This will be AUTO IMPLEMENTED by Spring into a Bean called eventRepository
 // CRUD refers Create, Read, Update, Delete
@@ -78,7 +72,4 @@ public interface EventRepository extends CrudRepository<Event, Integer> {
             nativeQuery = true
     )
     void deleteById(long id);
-
-    //@Query(nativeQuery = true)
-    //List<Event> findEventsInDateRange(Long userId, String startDate, String endDate);
 }

server/src/main/java/com/vpr/server/repository/UserEventRepository.java

@@ -1,11 +1,15 @@
+//Marc Beyer//
 package com.vpr.server.repository;
 
 import com.vpr.server.data.UserEvent;
 import org.springframework.data.repository.CrudRepository;
 
+import java.sql.Date;
+import java.util.List;
+
 // This will be AUTO IMPLEMENTED by Spring into a Bean called eventListRepository
 // CRUD refers Create, Read, Update, Delete
 
 public interface UserEventRepository extends CrudRepository<UserEvent, Integer> {
-
+    List<UserEvent> findByUserIdAndDate(long userId, Date date);
 }

server/src/main/java/com/vpr/server/repository/UserRepository.java

@@ -1,3 +1,4 @@
+//Marc Beyer//
 package com.vpr.server.repository;
 
 import com.vpr.server.data.User;

server/src/main/java/com/vpr/server/security/Hasher.java

@@ -1,3 +1,4 @@
+//Marc Beyer//
 package com.vpr.server.security;
 
 import javax.crypto.SecretKeyFactory;

server/src/main/java/com/vpr/server/security/Token.java

@@ -1,14 +1,16 @@
+//Marc Beyer//
 package com.vpr.server.security;
 
 import io.jsonwebtoken.JwtException;
 import io.jsonwebtoken.Jwts;
 import io.jsonwebtoken.SignatureAlgorithm;
 import io.jsonwebtoken.security.Keys;
+
 import java.security.Key;
 
 public class Token {
 
-    private static Key KEY = Keys.secretKeyFor(SignatureAlgorithm.HS256);
+    private static final Key KEY = Keys.secretKeyFor(SignatureAlgorithm.HS256);
 
     public static String Generate(String subject){
         return Jwts.builder().setSubject(subject).signWith(KEY).compact();