Merge pull request #93 from hhu-propra2/group-invite-links

added Group invite links

src/main/java/mops/gruppen2/controller/Gruppen2Controller.java

@@ -3,7 +3,6 @@ package mops.gruppen2.controller;
 import mops.gruppen2.config.Gruppen2Config;
 import mops.gruppen2.domain.Exceptions.EventException;
 import mops.gruppen2.domain.Group;
-
 import mops.gruppen2.domain.User;
 import mops.gruppen2.domain.event.CreateGroupEvent;
 import mops.gruppen2.security.Account;
@@ -14,17 +13,13 @@ import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.*;
-import org.springframework.web.client.RestTemplate;
-import org.springframework.web.context.annotation.SessionScope;
 import org.springframework.web.server.ResponseStatusException;
 
 import javax.annotation.security.RolesAllowed;
 import java.util.ArrayList;
 import java.util.List;
 
-
 @Controller
-@SessionScope
 @RequestMapping("/gruppen2")
 public class Gruppen2Controller {
 
@@ -36,13 +31,15 @@ public class Gruppen2Controller {
     private final GroupService groupService;
     private final UserService userService;
     private final ControllerService controllerService;
+    private final InviteLinkRepositoryService inviteLinkRepositoryService;
 
-    public Gruppen2Controller(KeyCloakService keyCloakService, EventService eventService, GroupService groupService, UserService userService, ControllerService controllerService) {
+    public Gruppen2Controller(KeyCloakService keyCloakService, EventService eventService, GroupService groupService, UserService userService, ControllerService controllerService, InviteLinkRepositoryService inviteLinkRepositoryService) {
         this.keyCloakService = keyCloakService;
         this.eventService = eventService;
         this.groupService = groupService;
         this.userService = userService;
         this.controllerService = controllerService;
+        this.inviteLinkRepositoryService = inviteLinkRepositoryService;
     }
 
     /**
@@ -75,15 +72,14 @@ public class Gruppen2Controller {
     @GetMapping("/findGroup")
     public String findGroup(KeycloakAuthenticationToken token, Model model, @RequestParam(value = "suchbegriff", required = false) String suchbegriff) throws EventException {
         List<Group> groupse = new ArrayList<>();
-        if(suchbegriff!=null) {
+        if (suchbegriff != null) {
             groupse = groupService.findGroupWith(suchbegriff);
         }
         model.addAttribute("account", keyCloakService.createAccountFromPrincipal(token));
-        model.addAttribute("gruppen",groupse);
+        model.addAttribute("gruppen", groupse);
         return "search";
     }
 
-
     @PostMapping("/createGroup")
     public String pCreateGroup(KeycloakAuthenticationToken token,
                                @RequestParam(value = "title") String title,
@@ -91,11 +87,7 @@ public class Gruppen2Controller {
                                @RequestParam(value = "visibility", required = false) Boolean visibility) {
 
         Account account = keyCloakService.createAccountFromPrincipal(token);
-        if (visibility == null) {
-            visibility = true;
-        }else{
-            visibility = false;
-        }
+        visibility = visibility == null;
         controllerService.createGroup(account, title, beschreibung, visibility);
 
         return "redirect:/gruppen2/";
@@ -103,12 +95,12 @@ public class Gruppen2Controller {
 
     @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator)"})
     @GetMapping("/details")
-    public String showGroupDetails(KeycloakAuthenticationToken token, Model model, @RequestParam (value="id") Long id) throws EventException, ResponseStatusException {
+    public String showGroupDetails(KeycloakAuthenticationToken token, Model model, @RequestParam(value = "id") Long id) throws EventException, ResponseStatusException {
         model.addAttribute("account", keyCloakService.createAccountFromPrincipal(token));
         Group group = userService.getGroupById(id);
-        Account account = keyCloakService.createAccountFromPrincipal (token);
+        Account account = keyCloakService.createAccountFromPrincipal(token);
         User user = new User(account.getName(), account.getGivenname(), account.getFamilyname(), account.getEmail());
-        if(group!= null) {
+        if (group != null) {
             model.addAttribute("group", group);
             model.addAttribute("role", group.getRoles().get(user.getUser_id()));
             return "detailsMember";
@@ -127,16 +119,27 @@ public class Gruppen2Controller {
 
     @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator)"})
     @GetMapping("/detailsSearch")
-    public String showGroupDetailsNoMember (KeycloakAuthenticationToken token, Model model, @RequestParam (value="id") Long id) throws EventException {
+    public String showGroupDetailsNoMember(KeycloakAuthenticationToken token, Model model, @RequestParam(value = "id") Long id) throws EventException {
         model.addAttribute("account", keyCloakService.createAccountFromPrincipal(token));
         Group group = userService.getGroupById(id);
-        if (group!=null) {
+        if (group != null) {
             model.addAttribute("group", group);
             return "detailsNoMember";
         }
         throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Group not found");
     }
 
+    @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator)"})
+    @GetMapping("/acceptinvite/{link}")
+    public String acceptInvite(KeycloakAuthenticationToken token, Model model, @PathVariable String link) throws EventException {
+        model.addAttribute("account", keyCloakService.createAccountFromPrincipal(token));
+        Group group = userService.getGroupById(inviteLinkRepositoryService.findGroupIdByInvite(link));
+        if (group != null) {
+            model.addAttribute("group", group);
+            return "redirect:/gruppen2/detailsSearch?id=" + group.getId();
+        }
+        throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Group not found");
+    }
     @RolesAllowed({"ROLE_orga", "ROLE_studentin", "ROLE_actuator)"})
     @PostMapping("/leaveGroup")
     public String pLeaveGroup(KeycloakAuthenticationToken token, @RequestParam (value="group_id") Long id) {

src/main/java/mops/gruppen2/domain/dto/EventDTO.java

@@ -1,4 +1,4 @@
-package mops.gruppen2.domain;
+package mops.gruppen2.domain.dto;
 
 import lombok.Data;
 import org.springframework.data.annotation.Id;

src/main/java/mops/gruppen2/domain/dto/InviteLinkDTO.java

@@ -0,0 +1,16 @@
+package mops.gruppen2.domain.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import org.springframework.data.annotation.Id;
+import org.springframework.data.relational.core.mapping.Table;
+
+@Table("invite")
+@Data
+@AllArgsConstructor
+public class InviteLinkDTO {
+    @Id
+    Long link_id;
+    Long group_id;
+    String invite_link;
+}

src/main/java/mops/gruppen2/repository/EventRepository.java

@@ -1,6 +1,6 @@
 package mops.gruppen2.repository;
 
-import mops.gruppen2.domain.EventDTO;
+import mops.gruppen2.domain.dto.EventDTO;
 import org.springframework.data.jdbc.repository.query.Query;
 import org.springframework.data.repository.CrudRepository;
 import org.springframework.data.repository.query.Param;

src/main/java/mops/gruppen2/repository/InviteLinkRepository.java

@@ -0,0 +1,17 @@
+package mops.gruppen2.repository;
+
+import mops.gruppen2.domain.dto.InviteLinkDTO;
+import org.springframework.data.jdbc.repository.query.Query;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.query.Param;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface InviteLinkRepository extends CrudRepository<InviteLinkDTO, Long> {
+
+    //@Query("SELECT invite_link FROM invite WHERE group_id = :id")
+    //String findLinkByGroupID(@Param("id") Long GroupID);
+
+    @Query("SELECT group_id FROM invite WHERE invite_link = :link")
+    Long findGroupIdByLink(@Param("link") String link);
+}

src/main/java/mops/gruppen2/service/ControllerService.java

@@ -7,15 +7,21 @@ import mops.gruppen2.domain.Visibility;
 import mops.gruppen2.domain.event.*;
 import mops.gruppen2.security.Account;
 import org.springframework.stereotype.Service;
-import java.util.*;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.UUID;
 
 @Service
 public class ControllerService {
 
     private final EventService eventService;
+    private final InviteLinkRepositoryService inviteLinkRepositoryService;
 
-    public ControllerService(EventService eventService) {
+    public ControllerService(EventService eventService, InviteLinkRepositoryService inviteLinkRepositoryService) {
         this.eventService = eventService;
+        this.inviteLinkRepositoryService = inviteLinkRepositoryService;
     }
 
     /**
@@ -28,13 +34,13 @@ public class ControllerService {
      * @param description Gruppenbeschreibung
      */
     public void createGroup(Account account, String title, String description, Boolean visibility) {
-        Visibility visibility1;
         Long group_id = eventService.checkGroup();
-
-        if (visibility){
+        Visibility visibility1;
+        if (visibility) {
             visibility1 = Visibility.PUBLIC;
-        }else{
+        } else {
             visibility1 = Visibility.PRIVATE;
+            createInviteLink(group_id);
         }
 
         CreateGroupEvent createGroupEvent = new CreateGroupEvent(group_id, account.getName(), null , GroupType.LECTURE, visibility1);
@@ -46,6 +52,11 @@ public class ControllerService {
         updateRole(account, group_id);
     }
 
+    private void createInviteLink(Long group_id) {
+        inviteLinkRepositoryService.saveInvite(group_id, UUID.randomUUID());
+    }
+
+
     public void addUser(Account account, Long group_id){
         AddUserEvent addUserEvent = new AddUserEvent(group_id,account.getName(),account.getGivenname(),account.getFamilyname(),account.getEmail());
         eventService.saveEvent(addUserEvent);

src/main/java/mops/gruppen2/service/EventService.java

@@ -1,8 +1,8 @@
 package mops.gruppen2.service;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
-import mops.gruppen2.domain.EventDTO;
 import mops.gruppen2.domain.Visibility;
+import mops.gruppen2.domain.dto.EventDTO;
 import mops.gruppen2.domain.event.CreateGroupEvent;
 import mops.gruppen2.domain.event.Event;
 import mops.gruppen2.repository.EventRepository;

src/main/java/mops/gruppen2/service/GroupService.java

@@ -1,6 +1,6 @@
 package mops.gruppen2.service;
 
-import mops.gruppen2.domain.EventDTO;
+import mops.gruppen2.domain.dto.EventDTO;
 import mops.gruppen2.domain.Exceptions.EventException;
 import mops.gruppen2.domain.Group;
 import mops.gruppen2.domain.Visibility;

src/main/java/mops/gruppen2/service/InviteLinkRepositoryService.java

@@ -0,0 +1,26 @@
+package mops.gruppen2.service;
+
+import mops.gruppen2.domain.dto.InviteLinkDTO;
+import mops.gruppen2.repository.InviteLinkRepository;
+import org.springframework.stereotype.Service;
+
+import java.util.UUID;
+
+@Service
+public class InviteLinkRepositoryService {
+
+    private final InviteLinkRepository inviteLinkRepository;
+
+    public InviteLinkRepositoryService(InviteLinkRepository inviteLinkRepository) {
+        this.inviteLinkRepository = inviteLinkRepository;
+    }
+
+    public long findGroupIdByInvite(String link) {
+        return inviteLinkRepository.findGroupIdByLink(link);
+    }
+
+    public void saveInvite(Long group_id, UUID link) {
+        inviteLinkRepository.save(new InviteLinkDTO(null, group_id, link.toString()));
+    }
+
+}

src/main/java/mops/gruppen2/service/SerializationService.java

@@ -2,7 +2,6 @@ package mops.gruppen2.service;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import mops.gruppen2.domain.EventDTO;
 import mops.gruppen2.domain.event.Event;
 import mops.gruppen2.repository.EventRepository;
 import org.slf4j.Logger;

src/main/resources/application-dev.properties

@@ -1,21 +1,19 @@
 server.port=8080
 application.name=gruppen2
-
 logging.pattern.console=[${application.name}],%magenta(%-5level), %d{dd-MM-yyyy HH:mm:ss.SSS}, %highlight(%msg),%thread,%logger.%M%n
-
 spring.datasource.url=jdbc:h2:mem:blogdb
 spring.datasource.driverClassName=org.h2.Driver
 spring.datasource.username=sa
 spring.datasource.password=
 spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
-
+spring.h2.console.enabled=true
+logging.level.org.springframework.jdbc.core=DEBUG
 keycloak.principal-attribute=preferred_username
 keycloak.auth-server-url=https://keycloak.cs.hhu.de/auth
 keycloak.realm=MOPS
-
 hhu_keycloak.token-uri=https://keycloak.cs.hhu.de/auth/realms/MOPS/protocol/openid-connect/token
 keycloak.resource=gruppenfindung
-keycloak.credentials.secret= fc6ebf10-8c63-4e71-a667-4eae4e8209a1
+keycloak.credentials.secret=fc6ebf10-8c63-4e71-a667-4eae4e8209a1
 keycloak.verify-token-audience=true
 keycloak.use-resource-role-mappings=true
 

src/main/resources/schema.sql

@@ -10,3 +10,12 @@ CREATE TABLE event
     event_payload VARCHAR(255),
     visibility BOOLEAN
 );
+
+DROP TABLE IF EXISTS invite;
+
+CREATE TABLE invite
+(
+    link_id INT PRIMARY KEY AUTO_INCREMENT,
+    group_id INT NOT NULL,
+    invite_link varchar(255) NOT NULL
+);

src/test/java/mops/gruppen2/service/EventServiceTest.java

@@ -1,8 +1,8 @@
 package mops.gruppen2.service;
 
-import mops.gruppen2.domain.EventDTO;
 import mops.gruppen2.domain.GroupType;
 import mops.gruppen2.domain.Visibility;
+import mops.gruppen2.domain.dto.EventDTO;
 import mops.gruppen2.domain.event.AddUserEvent;
 import mops.gruppen2.domain.event.CreateGroupEvent;
 import mops.gruppen2.repository.EventRepository;
@@ -14,7 +14,7 @@ import org.mockito.junit.MockitoJUnitRunner;
 import java.util.ArrayList;
 import java.util.List;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;