[240] Add the ability to delete an account

Bug: #240
Signed-off-by: Stéphane Bégaudeau <[email protected]>

backend/svalyn-studio-application/src/main/java/com/svalyn/studio/application/controllers/account/AccountController.java

@@ -21,6 +21,7 @@
 
 import com.svalyn.studio.application.controllers.account.dto.AccountDTO;
 import com.svalyn.studio.application.controllers.account.dto.CreateAccountInput;
+import com.svalyn.studio.application.controllers.account.dto.DeleteAccountInput;
 import com.svalyn.studio.application.controllers.dto.IPayload;
 import com.svalyn.studio.application.controllers.dto.PageInfoWithCount;
 import com.svalyn.studio.application.services.account.api.IAccountService;
@@ -68,4 +69,9 @@ public Connection<AccountDTO> accounts(@Argument int page, @Argument int rowsPer
     public IPayload createAccount(@Argument @Valid CreateAccountInput input) {
         return this.accountService.createAccount(input);
     }
+
+    @MutationMapping
+    public IPayload deleteAccount(@Argument @Valid DeleteAccountInput input) {
+        return this.accountService.deleteAccount(input);
+    }
 }

backend/svalyn-studio-application/src/main/java/com/svalyn/studio/application/controllers/account/dto/DeleteAccountInput.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2023 Stéphane Bégaudeau.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+ * associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
+ * LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+package com.svalyn.studio.application.controllers.account.dto;
+
+import com.svalyn.studio.application.controllers.dto.IInput;
+import jakarta.validation.constraints.NotNull;
+
+import java.util.UUID;
+
+/**
+ * Input used to delete an account.
+ *
+ * @author sbegaudeau
+ */
+public record DeleteAccountInput(@NotNull UUID id, @NotNull  String username) implements IInput {
+}

backend/svalyn-studio-application/src/main/java/com/svalyn/studio/application/listeners/activity/ActivityCleanerOnAccountDeletedEvent.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2023 Stéphane Bégaudeau.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+ * associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
+ * LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+package com.svalyn.studio.application.listeners.activity;
+
+import com.svalyn.studio.domain.account.events.AccountDeletedEvent;
+import com.svalyn.studio.domain.activity.repositories.IActivityEntryRepository;
+import com.svalyn.studio.domain.activity.repositories.IOrganizationActivityEntryRepository;
+import com.svalyn.studio.domain.activity.repositories.IProjectActivityEntryRepository;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.transaction.event.TransactionalEventListener;
+
+import java.util.Objects;
+
+/**
+ * Used to delete account activities.
+ *
+ * @author sbegaudeau
+ */
+@Service
+public class ActivityCleanerOnAccountDeletedEvent {
+
+    private final IActivityEntryRepository activityEntryRepository;
+
+    private final IOrganizationActivityEntryRepository organizationActivityEntryRepository;
+
+    private final IProjectActivityEntryRepository projectActivityEntryRepository;
+
+    private final Logger logger = LoggerFactory.getLogger(ActivityCleanerOnAccountDeletedEvent.class);
+
+    public ActivityCleanerOnAccountDeletedEvent(IActivityEntryRepository activityEntryRepository, IOrganizationActivityEntryRepository organizationActivityEntryRepository, IProjectActivityEntryRepository projectActivityEntryRepository) {
+        this.activityEntryRepository = Objects.requireNonNull(activityEntryRepository);
+        this.organizationActivityEntryRepository = Objects.requireNonNull(organizationActivityEntryRepository);
+        this.projectActivityEntryRepository = Objects.requireNonNull(projectActivityEntryRepository);
+    }
+
+    @Transactional
+    @TransactionalEventListener
+    public void onAccountDeletedEvent(AccountDeletedEvent event) {
+        logger.info(event.toString());
+        this.organizationActivityEntryRepository.deleteAllByUserId(event.account().getId());
+        this.projectActivityEntryRepository.deleteAllByUserId(event.account().getId());
+        this.activityEntryRepository.deleteAllByUserId(event.account().getId());
+    }
+}

backend/svalyn-studio-application/src/main/java/com/svalyn/studio/application/listeners/activity/ActivityListener.java

@@ -50,6 +50,7 @@
 public class ActivityListener {
 
     private final IActivityEntryRepository activityEntryRepository;
+
     private final IOrganizationActivityEntryRepository organizationActivityEntryRepository;
 
     private final IProjectActivityEntryRepository projectActivityEntryRepository;

backend/svalyn-studio-application/src/main/java/com/svalyn/studio/application/listeners/history/ChangeDeletedEventListener.java

@@ -33,7 +33,7 @@
 import java.util.Objects;
 
 /**
- * Used to deleted the resources used by a change.
+ * Used to delete the resources used by a change.
  *
  * @author sbegaudeau
  */

backend/svalyn-studio-application/src/main/java/com/svalyn/studio/application/listeners/organization/OrganizationCleanerOnAccountDeletedEvent.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2023 Stéphane Bégaudeau.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+ * associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
+ * LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+package com.svalyn.studio.application.listeners.organization;
+
+import com.svalyn.studio.domain.account.events.AccountDeletedEvent;
+import com.svalyn.studio.domain.organization.Organization;
+import com.svalyn.studio.domain.organization.repositories.IOrganizationRepository;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.transaction.event.TransactionalEventListener;
+
+import java.util.Objects;
+
+/**
+ * Used to delete the organizations owned by an account.
+ *
+ * @author sbegaudeau
+ */
+@Service
+public class OrganizationCleanerOnAccountDeletedEvent {
+    private final IOrganizationRepository organizationRepository;
+
+    private final Logger logger = LoggerFactory.getLogger(OrganizationCleanerOnAccountDeletedEvent.class);
+
+    public OrganizationCleanerOnAccountDeletedEvent(IOrganizationRepository organizationRepository) {
+        this.organizationRepository = Objects.requireNonNull(organizationRepository);
+    }
+
+    @Transactional
+    @TransactionalEventListener
+    public void onAccountDeletedEvent(AccountDeletedEvent event) {
+        logger.info(event.toString());
+        var organizations = this.organizationRepository.findAllOwnedBy(event.account().getId());
+        organizations.forEach(Organization::dispose);
+        this.organizationRepository.deleteAll(organizations);
+    }
+}

backend/svalyn-studio-application/src/main/java/com/svalyn/studio/application/services/account/AccountService.java

@@ -22,9 +22,11 @@
 import com.svalyn.studio.application.controllers.account.dto.AccountDTO;
 import com.svalyn.studio.application.controllers.account.dto.CreateAccountInput;
 import com.svalyn.studio.application.controllers.account.dto.CreateAccountSuccessPayload;
+import com.svalyn.studio.application.controllers.account.dto.DeleteAccountInput;
 import com.svalyn.studio.application.controllers.dto.ErrorPayload;
 import com.svalyn.studio.application.controllers.dto.IPayload;
 import com.svalyn.studio.application.controllers.dto.ProfileDTO;
+import com.svalyn.studio.application.controllers.dto.SuccessPayload;
 import com.svalyn.studio.application.controllers.viewer.Viewer;
 import com.svalyn.studio.application.services.account.api.IAccountService;
 import com.svalyn.studio.application.services.account.api.IAvatarUrlService;
@@ -33,6 +35,7 @@
 import com.svalyn.studio.domain.account.Account;
 import com.svalyn.studio.domain.account.repositories.IAccountRepository;
 import com.svalyn.studio.domain.account.services.api.IAccountCreationService;
+import com.svalyn.studio.domain.account.services.api.IAccountDeletionService;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageImpl;
 import org.springframework.data.domain.PageRequest;
@@ -55,11 +58,14 @@ public class AccountService implements IAccountService {
 
     private final IAccountCreationService accountCreationService;
 
+    private final IAccountDeletionService accountDeletionService;
+
     private final IAvatarUrlService avatarUrlService;
 
-    public AccountService(IAccountRepository accountRepository, IAccountCreationService accountCreationService, IAvatarUrlService avatarUrlService) {
+    public AccountService(IAccountRepository accountRepository, IAccountCreationService accountCreationService, IAccountDeletionService accountDeletionService, IAvatarUrlService avatarUrlService) {
         this.accountRepository = Objects.requireNonNull(accountRepository);
-        this.accountCreationService = accountCreationService;
+        this.accountCreationService = Objects.requireNonNull(accountCreationService);
+        this.accountDeletionService = Objects.requireNonNull(accountDeletionService);
         this.avatarUrlService = Objects.requireNonNull(avatarUrlService);
     }
 
@@ -112,4 +118,18 @@ public IPayload createAccount(CreateAccountInput input) {
 
         return payload;
     }
+
+    @Override
+    public IPayload deleteAccount(DeleteAccountInput input) {
+        IPayload payload = null;
+
+        var result = this.accountDeletionService.deleteAccount(input.username());
+        if (result instanceof Failure<Void> failure) {
+            payload = new ErrorPayload(input.id(), failure.message());
+        } else if (result instanceof Success<Void>) {
+            payload = new SuccessPayload(input.id());
+        }
+
+        return payload;
+    }
 }

backend/svalyn-studio-application/src/main/java/com/svalyn/studio/application/services/account/api/IAccountService.java

@@ -21,6 +21,7 @@
 
 import com.svalyn.studio.application.controllers.account.dto.AccountDTO;
 import com.svalyn.studio.application.controllers.account.dto.CreateAccountInput;
+import com.svalyn.studio.application.controllers.account.dto.DeleteAccountInput;
 import com.svalyn.studio.application.controllers.dto.IPayload;
 import com.svalyn.studio.application.controllers.dto.ProfileDTO;
 import com.svalyn.studio.application.controllers.viewer.Viewer;
@@ -43,4 +44,6 @@ public interface IAccountService {
     Page<AccountDTO> findAll(int page, int rowsPerPage);
 
     IPayload createAccount(CreateAccountInput input);
+
+    IPayload deleteAccount(DeleteAccountInput input);
 }

backend/svalyn-studio-application/src/main/java/com/svalyn/studio/application/services/project/ProjectService.java

@@ -202,7 +202,7 @@ public IPayload deleteProject(DeleteProjectInput input) {
         var result = this.projectDeletionService.deleteProject(input.projectIdentifier());
         if (result instanceof Failure<Void> failure) {
             payload = new ErrorPayload(input.id(), failure.message());
-        } else if (result instanceof Success<Void> success) {
+        } else if (result instanceof Success<Void>) {
             payload = new SuccessPayload(input.id());
         }
 

backend/svalyn-studio-application/src/main/resources/graphql/svalyn-studio.graphqls

@@ -482,6 +482,7 @@ type EnumerationLiteral {
 
 type Mutation {
   createAccount(input: CreateAccountInput!): CreateAccountPayload! @validated
+  deleteAccount(input: DeleteAccountInput!): DeleteAccountPayload! @validated
   createAuthenticationToken(input: CreateAuthenticationTokenInput!): CreateAuthenticationTokenPayload! @validated
   updateAuthenticationTokensStatus(input: UpdateAuthenticationTokensStatusInput!): UpdateAuthenticationTokensStatusPayload! @validated
   createOrganization(input: CreateOrganizationInput!): CreateOrganizationPayload! @validated
@@ -534,6 +535,13 @@ type CreateAccountSuccessPayload {
   account: Account!
 }
 
+input DeleteAccountInput {
+  id: ID!
+  username: String!
+}
+
+union DeleteAccountPayload = ErrorPayload | SuccessPayload
+
 input CreateAuthenticationTokenInput {
   id: ID!
   name: String!

backend/svalyn-studio-domain/src/main/java/com/svalyn/studio/domain/account/Account.java

@@ -22,6 +22,7 @@
 import com.svalyn.studio.domain.AbstractValidatingAggregateRoot;
 import com.svalyn.studio.domain.Profile;
 import com.svalyn.studio.domain.account.events.AccountCreatedEvent;
+import com.svalyn.studio.domain.account.events.AccountDeletedEvent;
 import com.svalyn.studio.domain.account.events.AccountModifiedEvent;
 import com.svalyn.studio.domain.account.events.AuthenticationTokenCreatedEvent;
 import com.svalyn.studio.domain.account.events.AuthenticationTokenModifiedEvent;
@@ -171,6 +172,22 @@ public void updateAuthenticationTokensStatus(List<UUID> authenticationTokenIds,
                 });
     }
 
+    public void dispose() {
+        var randomId = UUID.randomUUID().toString();
+        this.name = "Deleted Account";
+        this.username = "deleted_account-" + randomId;
+        this.email = randomId;
+        this.role = AccountRole.USER;
+        this.image = null;
+        this.imageContentType = null;
+        this.authenticationTokens = Set.of();
+        this.passwordCredentials = Set.of();
+        this.oAuth2Metadata = Set.of();
+
+        var createdBy = ProfileProvider.get();
+        this.registerEvent(new AccountDeletedEvent(UUID.randomUUID(), Instant.now(), createdBy, this));
+    }
+
     public static Builder newAccount() {
         return new Builder();
     }

backend/svalyn-studio-domain/src/main/java/com/svalyn/studio/domain/account/events/AccountDeletedEvent.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2023 Stéphane Bégaudeau.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+ * associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
+ * LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+package com.svalyn.studio.domain.account.events;
+
+import com.svalyn.studio.domain.Profile;
+import com.svalyn.studio.domain.account.Account;
+import jakarta.validation.constraints.NotNull;
+
+import java.time.Instant;
+import java.util.UUID;
+
+/**
+ * Event fired when an account is deleted.
+ *
+ * @author sbegaudeau
+ */
+public record AccountDeletedEvent(
+        @NotNull UUID id,
+        @NotNull Instant createdOn,
+        @NotNull Profile createdBy,
+        @NotNull Account account) implements IAccountEvent {
+}