Sort events at query

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

@@ -3,6 +3,9 @@ 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.dao.interfaces.EventDAO;
+import com.vpr.server.json.JSONMapper;
+import com.vpr.server.json.Validator;
 import com.vpr.server.repository.EventRepository;
 import com.vpr.server.repository.UserEventRepository;
 import com.vpr.server.repository.UserRepository;
@@ -11,10 +14,10 @@ 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.sql.Time;
 import java.text.SimpleDateFormat;
+import java.util.List;
 
 @Controller
 @RequestMapping(path = "/event")
@@ -26,6 +29,9 @@ public class EventController {
     @Autowired
     private UserEventRepository userEventRepository;
 
+    @Autowired
+    private EventDAO eventDAO;
+
     /******************
      * POST-ENDPOINTS *
      ******************/
@@ -33,68 +39,24 @@ public class EventController {
     @PostMapping(path = "/add")
     public @ResponseBody
     ResponseEntity<String> addEvent(
-            @RequestParam Integer userId,
+            @RequestHeader("Authorization") String authorizationHeader,
+            @RequestParam long userId,
             @RequestParam String date,
             @RequestParam String name,
             @RequestParam String start,
             @RequestParam String end,
-            @RequestParam Integer prority,
+            @RequestParam Integer priority,
             @RequestParam Boolean isFullDay,
             @RequestParam Boolean isPrivate
     ) {
-        String errorString = "";
-
-        Event event = new Event();
-
-        System.out.println(name.length() + ". name " + name);
-        if (name.length() > 3) {
-            event.setName(name);
-        } else {
-            System.out.println("NAME IST ZU KURZ");
-            return new ResponseEntity<>("Der Name ist zu kurz", HttpStatus.BAD_REQUEST);
+        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 erstellen", HttpStatus.UNAUTHORIZED);
         }
 
-        try {
-            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("hh:mm");
-            long ms = simpleDateFormat.parse(start).getTime();
-            event.setStart(new Time(ms));
-        } catch (Exception e) {
-            event.setStart(null);
-        }
+        ResponseEntity<String> BAD_REQUEST = createEventAndUserEvent(userId, date, name, start, end, priority, isFullDay, isPrivate);
+        if (BAD_REQUEST != null) return BAD_REQUEST;
 
-        try {
-            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("hh:mm");
-            long ms = simpleDateFormat.parse(end).getTime();
-            event.setEnd(new Time(ms));
-        } catch (Exception e) {
-            event.setEnd(null);
-        }
-
-        event.setPriority(prority);
-        event.setFullDay(isFullDay);
-        event.setPrivate(isPrivate);
-
-        UserEvent userEvent = new UserEvent();
-
-        try {
-            System.out.println("date " + date);
-            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
-            userEvent.setDate(new java.sql.Date(simpleDateFormat.parse(date).getTime()));
-        } catch (Exception e) {
-            System.out.println("DATE FORMAT NOT CORRECT");
-            return new ResponseEntity<>("Datumformat nicht korrekt", HttpStatus.BAD_REQUEST);
-        }
-
-        userEvent.setEvent(event);
-        long uId = Long.valueOf(userId);
-        User user = userRepository.findById(uId);
-        userEvent.setUser(user);
-
-        System.out.println(userEvent);
-        System.out.println(user);
-
-        eventRepository.save(event);
-        userEventRepository.save(userEvent);
         return new ResponseEntity<>("", HttpStatus.OK);
     }
 
@@ -102,36 +64,109 @@ public class EventController {
     public @ResponseBody
     ResponseEntity<String> delEvent(
             @RequestHeader("Authorization") String authorizationHeader,
-            @RequestParam Integer eventId
+            @RequestParam long eventId,
+            @RequestParam long userId,
+            @RequestParam String date
     ) {
         User authUser = userRepository.findByToken(authorizationHeader.split("\\s")[1]);
-        if(authUser == null || authUser.isAdmin()){
+        if (authUser == null || (!authUser.isAdmin() && authUser.getId() != userId)) {
             return new ResponseEntity<>("Du hast keine Rechte um den Termin zu löschen", HttpStatus.UNAUTHORIZED);
         }
 
-        eventRepository.deleteUserEventsById(Long.valueOf(eventId));
-        eventRepository.deleteById(Long.valueOf(eventId));
+        eventRepository.deleteUserEventsById(userId, eventId, date);
+        if(eventDAO.getAllEventsWithId(eventId).size() == 0){
+            eventRepository.deleteById(eventId);
+        }
+
         return new ResponseEntity<>("", HttpStatus.OK);
     }
 
+
     @PostMapping(path = "/all")
     public @ResponseBody
-    Object[] getAllEvents(@RequestParam long userId) {
-        return eventRepository.findAllVisibleByUserId(userId);
+    ResponseEntity<String> getAllEvents(
+            @RequestHeader("Authorization") String authorizationHeader,
+            @RequestParam String startDate,
+            @RequestParam String endDate
+    ) {
+        User authUser = userRepository.findByToken(authorizationHeader.split("\\s")[1]);
+        if (authUser == null) {
+            return new ResponseEntity<>("Bitte erneut einloggen", HttpStatus.UNAUTHORIZED);
         }
 
+        List<Event> eventList = eventDAO.getAllEventsInTimespan(authUser.getId(), startDate, endDate);
+
+        return new ResponseEntity<>(JSONMapper.ToJSON(eventList), HttpStatus.OK);
+    }
+
+
     @PostMapping(path = "/edit")
     public @ResponseBody
-    String editEvent(
-            @RequestParam Integer userId,
+    ResponseEntity<String> editEvent(
+            @RequestHeader("Authorization") String authorizationHeader,
+            @RequestParam Long eventId,
+            @RequestParam Long userId,
             @RequestParam String date,
-            @RequestParam String name,
-            @RequestParam String start,
-            @RequestParam String end,
-            @RequestParam Integer prority,
-            @RequestParam Boolean isFullDay,
-            @RequestParam Boolean isPrivate
+            @RequestParam String newDate,
+            @RequestParam String newName,
+            @RequestParam String newStart,
+            @RequestParam String newEnd,
+            @RequestParam Integer newPriority,
+            @RequestParam Boolean newIsFullDay,
+            @RequestParam Boolean newIsPrivate
     ) {
-        return "";
+        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);
+        }
+
+        List<Event> eventList = eventDAO.getAllEventsWithIdAndDate(userId, eventId, date);
+
+        if (eventList == null || eventList.size() == 0) {
+            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);
+        }
+
+        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) {
+        User user = userRepository.findById(userId);
+        if(user == null){
+            return new ResponseEntity<>("UserId nicht korrekt", HttpStatus.BAD_REQUEST);
+        }
+
+        try {
+            Event event = new Event();
+
+            event.setName(Validator.ValidateEventName(name));
+            event.setStart(Validator.ValidateEventTime(start));
+            event.setEnd(Validator.ValidateEventTime(end));
+            event.setPriority(priority);
+            event.setFullDay(isFullDay);
+            event.setPrivate(isPrivate);
+
+            UserEvent userEvent = new UserEvent();
+
+            userEvent.setDate(Validator.ValidateEventDate(date));
+            userEvent.setEvent(event);
+            userEvent.setUser(user);
+
+            eventRepository.save(event);
+            userEventRepository.save(userEvent);
+        }catch (IllegalArgumentException exception){
+            return new ResponseEntity<>(exception.getMessage(), HttpStatus.BAD_REQUEST);
+        }
+        return null;
     }
 }

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

@@ -0,0 +1,48 @@
+package com.vpr.server.dao.implementation;
+
+import com.vpr.server.dao.interfaces.EventDAO;
+import com.vpr.server.data.Event;
+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 EventDAOImplementation implements EventDAO {
+
+    @PersistenceContext
+    private EntityManager manager;
+
+    @Override
+    public List<Event> getAllEvents() {
+        return manager.createNamedQuery("getAllEvents", Event.class).getResultList();
+    }
+
+    @Override
+    public List<Event> getAllEventsWithId(long eventId) {
+        return manager.createNamedQuery("getAllEventsWithId", Event.class)
+                .setParameter("eventId", eventId)
+                .getResultList();
+    }
+
+    @Override
+    public List<Event> getAllEventsInTimespan(long userId, String startDate, String endDate) {
+        return manager.createNamedQuery("getAllEventsInTimespan", Event.class)
+                .setParameter("userId", userId)
+                .setParameter("startDate", startDate)
+                .setParameter("endDate", endDate)
+                .getResultList();
+    }
+
+    @Override
+    public List<Event> getAllEventsWithIdAndDate(long userId, long eventId, String date) {
+        return manager.createNamedQuery("getAllEventsWithIdAndDate", Event.class)
+                .setParameter("userId", userId)
+                .setParameter("eventId", eventId)
+                .setParameter("date", date)
+                .getResultList();
+    }
+}

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

@@ -0,0 +1,16 @@
+package com.vpr.server.dao.interfaces;
+
+import com.vpr.server.data.Event;
+
+import java.util.List;
+
+public interface EventDAO {
+
+    List<Event> getAllEvents();
+
+    List<Event> getAllEventsInTimespan(long userId, String startDate, String endDate);
+
+    List<Event> getAllEventsWithIdAndDate(long userId, long eventId, String date);
+
+    List<Event> getAllEventsWithId(long eventId);
+}

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

@@ -1,12 +1,52 @@
 package com.vpr.server.data;
 
 import javax.persistence.*;
+import java.io.Serializable;
 import java.sql.Time;
 import java.util.List;
 
-// @Entity creates a table out of this class with Hibernate
-@Entity(name = "Event")
-public class Event {
+@Entity(name = "Event") // @Entity creates a table out of this class with Hibernate
+@Table(name = "event")
+@NamedNativeQueries({
+    @NamedNativeQuery(
+        name = "getAllEvents",
+        query = "SELECT * FROM event",
+        resultClass = Event.class
+    ),
+    @NamedNativeQuery(
+            name = "getAllEventsInTimespan",
+            query = "SELECT * " +
+                    "FROM event e " +
+                    "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 < :endDate " +
+                    "ORDER BY ue.date, e.priority DESC, e.start",
+            resultClass = Event.class
+    ),
+    @NamedNativeQuery(
+            name = "getAllEventsWithIdAndDate",
+            query = "SELECT * " +
+                    "FROM event e " +
+                    "INNER JOIN user_event ue " +
+                    "ON e.id = ue.event_id " +
+                    "WHERE ue.user_id = :userId " +
+                    "AND ue.event_id = :eventId " +
+                    "AND ue.date = :date",
+            resultClass = Event.class
+    ),
+    @NamedNativeQuery(
+            name = "getAllEventsWithId",
+            query = "SELECT * " +
+                    "FROM event e " +
+                    "INNER JOIN user_event ue " +
+                    "ON e.id = ue.event_id " +
+                    "WHERE ue.event_id = :eventId",
+            resultClass = Event.class
+    )
+})
+public class Event implements Serializable {
     // Generate the primary key
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)

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

@@ -0,0 +1,56 @@
+package com.vpr.server.json;
+
+import com.vpr.server.data.Event;
+import com.vpr.server.data.UserEvent;
+import java.sql.Time;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class JSONMapper {
+    public static List<String> ToJSON(Event event){
+        List<String> eventListJSON = new ArrayList<>();
+
+        for (UserEvent userEvent : event.getUserEvent()) {
+
+            String eventJSON = "{" +
+                        "\"ownerId\": " + userEvent.getUser().getId() + ", " +
+                        "\"ownerName\": \"" + userEvent.getUser().getForename() + " " + userEvent.getUser().getName() + "\", " +
+                        "\"date\": \"" + userEvent.getDate() + "\", " +
+                        "\"id\": " + event.getId() + "," +
+                        "\"name\": \"" + event.getName() + "\"," +
+                        "\"priority\": " + event.getPriority() + "," +
+                        "\"fullDay\": " + event.isFullDay() + "," +
+                        "\"private\": " + event.isPrivate() + "," +
+                        "\"start\": " + ToJSON(event.getStart()) + "," +
+                        "\"end\": " + ToJSON(event.getEnd()) +
+                    "}";
+
+            eventListJSON.add(eventJSON);
+        }
+
+        return eventListJSON;
+    }
+
+    public static String ToJSON(List<Event> eventList){
+        StringBuilder eventListJSON = new StringBuilder();
+        for(Event event : eventList){
+            List<String> eventsJSON = ToJSON(event);
+            for(String eventJSON : eventsJSON){
+                eventListJSON.append(", ");
+                eventListJSON.append(eventJSON);
+            }
+        }
+        eventListJSON.delete(0, 2);
+
+        return "[" + eventListJSON + "]";
+    }
+
+    public static String ToJSON(Time time){
+        if(time == null){
+            return "null";
+        }
+
+        return "\"" + time + "\"";
+    }
+}

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

@@ -0,0 +1,47 @@
+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;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class Validator {
+    public static String ValidateEventName(String name) throws IllegalArgumentException {
+        if (name.length() < 3) {
+            System.out.println("NAME TO SHORT");
+            throw new IllegalArgumentException("Der Name ist zu kurz");
+        }
+        Pattern pattern = Pattern.compile("[A-Za-z\u00e4\u00f6\u00fc\u00c4\u00d6\u00dc\u00df0-9 =!?+*/$.:,;_<>()-]*");
+        Matcher matcher = pattern.matcher(name);
+        if(!matcher.matches()){
+            System.out.println("NAME HAS ILLEGALCHARS");
+            throw new IllegalArgumentException("Der Name enthält nicht erlaubte Zeichen");
+        }
+        return name;
+    }
+
+    public static Time ValidateEventTime(String time) throws IllegalArgumentException {
+        try {
+            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("hh:mm");
+            long ms = simpleDateFormat.parse(time).getTime();
+            return new Time(ms);
+        } catch (Exception e) {
+            return null;
+        }
+    }
+
+    public static Date ValidateEventDate(String date) throws IllegalArgumentException {
+        try {
+            SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
+            return new Date(simpleDateFormat.parse(date).getTime());
+        } catch (Exception e) {
+            System.out.println("DATE FORMAT NOT CORRECT");
+            throw new IllegalArgumentException("Datumformat nicht korrekt");
+        }
+    }
+}

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

@@ -1,17 +1,25 @@
 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
 
 public interface EventRepository extends CrudRepository<Event, Integer> {
-    @Query(value = "SELECT e.id AS eid, e.name AS ename, e.start, e.end, e.priority , e.is_full_day, " +
+    @Query(
+            value = "SELECT e.id AS eid, e.name AS ename, e.start, e.end, e.priority , e.is_full_day, " +
             "ue.date, " +
             "u.id AS uid, u.forename, u.name AS uname " +
             "FROM event e " +
@@ -21,27 +29,56 @@ public interface EventRepository extends CrudRepository<Event, Integer> {
             "ON ue.user_id = u.id " +
             "WHERE u.id = ?1 " +
             "OR e.is_private = 0",
-            nativeQuery = true)
+            nativeQuery = true
+    )
     Object[] findAllVisibleByUserId(long id);
 
-    @Query(value = "SELECT * " +
+    @Query(
+            value = "SELECT * " +
             "FROM event e " +
             "INNER JOIN user_event ue " +
             "ON e.id = ue.event_id " +
             "WHERE ue.user_id = ?1",
-            nativeQuery = true)
+            nativeQuery = true
+    )
     Object[] findAllByUserId(long id);
 
-    @Modifying
-    @Transactional
-    @Query(value = "DELETE ue FROM user_event ue WHERE ue.event_id = ?1",
-    nativeQuery = true)
-    void deleteUserEventsById(long id);
 
+    @Query(
+            value = "SELECT ue.user_id as userId, ue.event_id as eventId, ue.date as date " +
+                    "FROM event e " +
+                    "INNER JOIN user_event ue " +
+                    "ON e.id = ue.event_id " +
+                    "WHERE ue.event_id = ?1 " +
+                    "AND ue.user_id = ?2 " +
+                    "AND ue.date = ?3",
+            nativeQuery = true
+    )
+    UserEventInterface findUserEventByEventIdUserIdAndDate(long eventId, long userId, String date);
 
-    @Modifying
-    @Transactional
-    @Query(value = "DELETE e FROM event e WHERE e.id = ?1",
-            nativeQuery = true)
-    void deleteById(long id);
+    interface UserEventInterface{
+        long getEventId();
+        long getUserId();
+        long getDate();
+    }
+
+    @Modifying
+    @Transactional
+    @Query(
+            value = "DELETE ue FROM user_event ue WHERE ue.event_id = :eventId AND ue.user_id = :userId AND ue.date = :date",
+            nativeQuery = true
+    )
+    void deleteUserEventsById(long userId, long eventId, String date);
+
+
+    @Modifying
+    @Transactional
+    @Query(
+            value = "DELETE e FROM event e WHERE e.id = ?1",
+            nativeQuery = true
+    )
+    void deleteById(long id);
+
+    //@Query(nativeQuery = true)
+    //List<Event> findEventsInDateRange(Long userId, String startDate, String endDate);
 }