add error handling (frontend) + exception changes

Co-authored-by: Christoph <tobi@urpost.de>
Co-authored-by: Mahgs <maxoerter@gmx.de>

src/main/java/mops/gruppen2/domain/Exceptions/EventException.java

@@ -1,10 +1,13 @@
 package mops.gruppen2.domain.Exceptions;
 
-public class EventException extends Exception {
+import org.springframework.http.HttpStatus;
+import org.springframework.web.server.ResponseStatusException;
+
+public class EventException extends ResponseStatusException {
     private String msg;
 
-    public EventException(String msg) {
-        this.msg = msg;
+    public EventException(String msg, HttpStatus status) {
+        super(status, msg);
     }
 
     @Override

src/main/java/mops/gruppen2/domain/Exceptions/GroupIdMismatchException.java

@@ -0,0 +1,13 @@
+package mops.gruppen2.domain.Exceptions;
+
+import org.springframework.http.HttpStatus;
+
+public class GroupIdMismatchException extends EventException {
+    public GroupIdMismatchException(String msg) {
+        super("Falsche Gruppe für Event." + "    (" + msg + ")", HttpStatus.INTERNAL_SERVER_ERROR);
+    }
+
+    public GroupIdMismatchException() {
+        super("", HttpStatus.INTERNAL_SERVER_ERROR);
+    }
+}

src/main/java/mops/gruppen2/domain/Exceptions/GroupNotFoundException.java

@@ -0,0 +1,13 @@
+package mops.gruppen2.domain.Exceptions;
+
+import org.springframework.http.HttpStatus;
+
+public class GroupNotFoundException extends EventException {
+    public GroupNotFoundException(String msg) {
+        super(msg, HttpStatus.NOT_FOUND);
+    }
+
+    public GroupNotFoundException() {
+        super("Gruppe nicht gefunden.", HttpStatus.NOT_FOUND);
+    }
+}

src/main/java/mops/gruppen2/domain/Exceptions/UserAlreadyExistsException.java

@@ -1,7 +1,13 @@
 package mops.gruppen2.domain.Exceptions;
 
+import org.springframework.http.HttpStatus;
+
 public class UserAlreadyExistsException extends EventException {
-   public UserAlreadyExistsException(String msg){
-       super(msg);
+    public UserAlreadyExistsException(String msg) {
+        super(msg, HttpStatus.INTERNAL_SERVER_ERROR);
+    }
+
+    public UserAlreadyExistsException() {
+        super("Der User existiert bereits.", HttpStatus.INTERNAL_SERVER_ERROR);
     }
 }

src/main/java/mops/gruppen2/domain/Exceptions/UserNotFoundException.java

@@ -1,7 +1,13 @@
 package mops.gruppen2.domain.Exceptions;
 
-public class UserNotFoundException extends EventException{
-    public  UserNotFoundException(String msg){
-        super(msg);
+import org.springframework.http.HttpStatus;
+
+public class UserNotFoundException extends EventException {
+    public UserNotFoundException(String msg) {
+        super(msg, HttpStatus.NOT_FOUND);
+    }
+
+    public UserNotFoundException() {
+        super("Der User wurde nicht gefunden.", HttpStatus.NOT_FOUND);
     }
 }

src/main/java/mops/gruppen2/domain/ProductSwaggerExample.java

@@ -1,12 +0,0 @@
-package mops.gruppen2.domain;
-
-import lombok.Value;
-
-// @ApiModelProperty
-@Value
-public class ProductSwaggerExample {
-
-    // @ApiModelProperty
-    String name;
-    String description;
-}

src/main/java/mops/gruppen2/domain/event/AddUserEvent.java

@@ -27,11 +27,12 @@ public class AddUserEvent extends Event {
         this.email = email;
     }
 
-    public void apply(Group group) throws EventException{
+    @Override
+    public void applyEvent(Group group) throws EventException {
         User user = new User(this.user_id, this.givenname, this.familyname, this.email);
 
-        if (group.getMembers().contains(user)){
-            throw new UserAlreadyExistsException("Der User existiert bereits");
+        if (group.getMembers().contains(user)) {
+            throw new UserAlreadyExistsException();
         }
 
         group.getMembers().add(user);

src/main/java/mops/gruppen2/domain/event/CreateGroupEvent.java

@@ -15,8 +15,6 @@ public class CreateGroupEvent extends Event {
     private Long groupParent;
     private GroupType groupType;
 
-
-
     public CreateGroupEvent(Long group_id, String user_id, Long parent, GroupType type, Visibility visibility) {
         super(group_id, user_id);
         this.groupParent = parent;
@@ -24,7 +22,8 @@ public class CreateGroupEvent extends Event {
         this.groupVisibility = visibility;
     }
 
-    public void apply(Group group) {
+    @Override
+    public void applyEvent(Group group) {
         group.setId(this.group_id);
         group.setParent(this.groupParent);
         group.setType(this.groupType);

src/main/java/mops/gruppen2/domain/event/DeleteGroupEvent.java

@@ -13,7 +13,7 @@ public class DeleteGroupEvent extends Event {
     }
 
     @Override
-    public void apply(Group group) {
+    public void applyEvent(Group group) {
         group.getRoles().clear();
         group.getMembers().clear();
         group.setTitle(null);

src/main/java/mops/gruppen2/domain/event/DeleteUserEvent.java

@@ -1,11 +1,11 @@
 package mops.gruppen2.domain.event;
 
-import lombok.*;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
 import mops.gruppen2.domain.Exceptions.EventException;
 import mops.gruppen2.domain.Exceptions.UserNotFoundException;
 import mops.gruppen2.domain.Group;
 import mops.gruppen2.domain.User;
-import mops.gruppen2.domain.Group;
 
 /**
  * Entfernt ein einzelnes Mitglied einer Gruppe.
@@ -17,7 +17,8 @@ public class DeleteUserEvent extends Event {
         super(group_id, user_id);
     }
 
-    public void apply(Group group) throws EventException {
+    @Override
+    public void applyEvent(Group group) throws EventException {
         for (User user : group.getMembers()) {
             if (user.getUser_id().equals(this.user_id)) {
                 group.getMembers().remove(user);

src/main/java/mops/gruppen2/domain/event/Event.java

@@ -31,7 +31,22 @@ public class Event {
     Long group_id;
     String user_id;
 
-
     public void apply(Group group) throws EventException {
+        checkGroupIdMatch(group.getId());
+        applyEvent(group);
+    }
+
+    protected void applyEvent(Group group) throws EventException {
+
+    }
+
+    private void checkGroupIdMatch(Long group_id) {
+        if (this.group_id.equals(group_id)) {
+            return;
+        }
+
+        //throw new GroupIdMismatchException(this.getClass().toString());
+        System.out.println(group_id);
+        System.out.println(this.group_id);
     }
 }

src/main/java/mops/gruppen2/domain/event/UpdateGroupDescriptionEvent.java

@@ -19,7 +19,8 @@ public class UpdateGroupDescriptionEvent extends Event {
         this.newGroupDescription = newGroupDescription;
     }
 
-    public void apply(Group group) {
+    @Override
+    public void applyEvent(Group group) {
         group.setDescription(this.newGroupDescription);
     }
 }

src/main/java/mops/gruppen2/domain/event/UpdateGroupTitleEvent.java

@@ -19,7 +19,8 @@ public class UpdateGroupTitleEvent extends Event {
         this.newGroupTitle = newGroupTitle;
     }
 
-    public void apply(Group group) {
+    @Override
+    public void applyEvent(Group group) {
         group.setTitle(this.newGroupTitle);
     }
 

src/main/java/mops/gruppen2/domain/event/UpdateRoleEvent.java

@@ -1,13 +1,11 @@
 package mops.gruppen2.domain.event;
 
-import lombok.*;
-import mops.gruppen2.domain.Exceptions.EventException;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
 import mops.gruppen2.domain.Exceptions.UserNotFoundException;
 import mops.gruppen2.domain.Group;
 import mops.gruppen2.domain.Role;
-import mops.gruppen2.domain.User;
-
-import java.util.Optional;
 
 /**
  * Aktualisiert die Gruppenrolle eines Teilnehmers.
@@ -18,15 +16,16 @@ import java.util.Optional;
 public class UpdateRoleEvent extends Event {
 
     Role newRole;
-  
+
     public UpdateRoleEvent(Long group_id, String user_id, Role newRole) {
         super(group_id, user_id);
         this.newRole = newRole;
     }
 
-    public void apply(Group group) throws UserNotFoundException{
-        if (!group.getRoles().containsKey(user_id)){
-            throw new UserNotFoundException("Der User wurde nicht gefunden");
+    @Override
+    public void applyEvent(Group group) throws UserNotFoundException {
+        if (!group.getRoles().containsKey(user_id)) {
+            throw new UserNotFoundException();
         }
         group.getRoles().put(this.user_id, this.newRole);
     }