Added events controller

src/main/java/wp_project/event_manager/service/LocationService.java

@@ -2,8 +2,12 @@
 
 import wp_project.event_manager.model.Location;
 
+import java.util.List;
+
 public interface LocationService {
 
+    List<Location> listAll();
+
     Location findById(Long id);
 
     Location create(Long latitude, Long longitude, String name);

src/main/java/wp_project/event_manager/service/UserService.java

@@ -3,8 +3,12 @@
 import wp_project.event_manager.model.Role;
 import wp_project.event_manager.model.User;
 
+import java.util.List;
+
 public interface UserService {
 
+    List<User> listAll();
+
     User findByUsername(String username);
 
     User create(String username, String password, Role role);

src/main/java/wp_project/event_manager/service/impl/LocationServiceImpl.java

@@ -6,6 +6,8 @@
 import wp_project.event_manager.repository.LocationRepository;
 import wp_project.event_manager.service.LocationService;
 
+import java.util.List;
+
 @Service
 public class LocationServiceImpl implements LocationService {
     private final LocationRepository locationRepository;
@@ -14,6 +16,11 @@ public LocationServiceImpl(LocationRepository locationRepository) {
         this.locationRepository = locationRepository;
     }
 
+    @Override
+    public List<Location> listAll() {
+        return this.locationRepository.findAll();
+    }
+
     @Override
     public Location findById(Long id) {
         return this.locationRepository.findById(id).orElseThrow(InvalidLocationIdException::new);

src/main/java/wp_project/event_manager/service/impl/UserServiceImpl.java

@@ -7,6 +7,8 @@
 import wp_project.event_manager.repository.UserRepository;
 import wp_project.event_manager.service.UserService;
 
+import java.util.List;
+
 @Service
 public class UserServiceImpl implements UserService {
     private final UserRepository userRepository;
@@ -15,6 +17,11 @@ public UserServiceImpl(UserRepository userRepository) {
         this.userRepository = userRepository;
     }
 
+    @Override
+    public List<User> listAll() {
+        return this.userRepository.findAll();
+    }
+
     @Override
     public User findByUsername(String username) {
         return this.userRepository.findById(username).orElseThrow(InvalidUserIdException::new);

src/main/java/wp_project/event_manager/web/EventsController.java

@@ -0,0 +1,95 @@
+package wp_project.event_manager.web;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import wp_project.event_manager.model.Event;
+import wp_project.event_manager.model.Location;
+import wp_project.event_manager.model.User;
+import wp_project.event_manager.service.EventService;
+import wp_project.event_manager.service.LocationService;
+import wp_project.event_manager.service.UserService;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+@Controller
+public class EventsController {
+
+    private final EventService eventService;
+    private final LocationService locationService;
+    private final UserService userService;
+
+    public EventsController(EventService eventService, LocationService locationService, UserService userService) {
+        this.eventService = eventService;
+        this.locationService = locationService;
+        this.userService = userService;
+    }
+
+    @GetMapping({"/", "/events"})
+    public String showEvents(@RequestParam(required = false) String nameSearch,
+                             @RequestParam(required = false) Long locationId,
+                             @RequestParam(required = false) Date time,
+                             Model model) {
+        List<Event> events;
+        List<Location> locations;
+
+        events = this.eventService.listEventsByNameAndLocationAndTime(nameSearch, locationId, time);
+        locations = this.locationService.listAll();
+        model.addAttribute("events", events);
+        model.addAttribute("locations", locations);
+        return "list.html";
+    }
+
+    @GetMapping("/events/create")
+    public String showCreate(Model model) {
+        List<Location> locations = this.locationService.listAll();
+        List<User> users = this.userService.listAll();
+        model.addAttribute("locations", locations);
+        model.addAttribute("users", users);
+        return "form.html";
+    }
+
+    @GetMapping("/events/{id}/edit")
+    public String showEdit(@PathVariable Long id, Model model) {
+        Event event = this.eventService.findById(id);
+
+        List<Location> locations = this.locationService.listAll();
+        List<User> users = this.userService.listAll();
+
+        model.addAttribute("event", event);
+        model.addAttribute("locations", locations);
+        model.addAttribute("users", users);
+        return "form.html";
+    }
+
+    @PostMapping("/events")
+    public String create(@RequestParam String name,
+                         @RequestParam List<String> attendeeUsernames,
+                         @RequestParam Long locationId,
+                         @RequestParam Date time) {
+        this.eventService.create(name, attendeeUsernames, locationId, time, new ArrayList<>());
+        return "redirect:/events";
+    }
+
+    @PostMapping("/events/{id}")
+    public String update(@PathVariable Long id,
+                         @RequestParam String name,
+                         @RequestParam List<String> attendeeUsernames,
+                         @RequestParam Long locationId,
+                         @RequestParam Date time,
+                         @RequestParam List<Long> commentIds) {
+        this.eventService.update(id, name, attendeeUsernames, locationId, time, commentIds);
+        return "redirect:/events";
+    }
+
+    @PostMapping("/events/{id}/delete")
+    public String delete(@PathVariable Long id) {
+        this.eventService.delete(id);
+        return "redirect:/events";
+    }
+}