feat: add linter and sonar

HELP.md

@@ -11,4 +11,3 @@ For further reference, please consider the following sections:
 These additional references should also help you:
 
 * [Gradle Build Scans – insights for your project's build](https://scans.gradle.com#gradle)
-

build.gradle

@@ -1,53 +1,74 @@
 plugins {
-	id 'java'
-	id 'org.springframework.boot' version '3.4.3'
-	id 'io.spring.dependency-management' version '1.1.7'
-	id 'io.freefair.lombok' version '8.13.1'
+    id 'java'
+    id 'org.springframework.boot' version '3.4.3'
+    id 'io.spring.dependency-management' version '1.1.7'
+    id 'io.freefair.lombok' version '8.13.1'
+    id 'com.diffplug.spotless' version '7.0.4'
 }
 
 group = 'io.autoinvestor'
 
 java {
-	toolchain {
-		languageVersion = JavaLanguageVersion.of(21)
-	}
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(21)
+    }
 }
 
 repositories {
-	mavenCentral()
+    mavenCentral()
 }
 
 dependencies {
-	implementation 'org.springframework.boot:spring-boot-starter-web'
-	testImplementation 'org.springframework.boot:spring-boot-starter-test'
-	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+    implementation 'org.springframework.boot:spring-boot-starter-web'
+    testImplementation 'org.springframework.boot:spring-boot-starter-test'
+    testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 
-	implementation 'com.google.cloud:google-cloud-pubsub:1.123.0'
-	implementation "com.google.cloud:spring-cloud-gcp-starter-pubsub:6.1.1"
-	implementation 'com.fasterxml.jackson.core:jackson-databind'
-	implementation 'org.springframework.integration:spring-integration-core'
-	implementation 'org.springframework.boot:spring-boot-starter-data-mongodb'
-	implementation("jakarta.validation:jakarta.validation-api:3.0.2")
+    implementation 'com.google.cloud:google-cloud-pubsub:1.123.0'
+    implementation "com.google.cloud:spring-cloud-gcp-starter-pubsub:6.1.1"
+    implementation 'com.fasterxml.jackson.core:jackson-databind'
+    implementation 'org.springframework.integration:spring-integration-core'
+    implementation 'org.springframework.boot:spring-boot-starter-data-mongodb'
+    implementation("jakarta.validation:jakarta.validation-api:3.0.2")
 
-	testImplementation 'org.springframework.boot:spring-boot-testcontainers'
-	testImplementation 'org.testcontainers:testcontainers'
-	testImplementation 'org.testcontainers:junit-jupiter'
-	testImplementation 'org.testcontainers:gcloud'
+    testImplementation 'org.springframework.boot:spring-boot-testcontainers'
+    testImplementation 'org.testcontainers:testcontainers'
+    testImplementation 'org.testcontainers:junit-jupiter'
+    testImplementation 'org.testcontainers:gcloud'
 
-	compileOnly         'org.projectlombok:lombok:1.18.38'
-	annotationProcessor 'org.projectlombok:lombok:1.18.38'
+    compileOnly         'org.projectlombok:lombok:1.18.38'
+    annotationProcessor 'org.projectlombok:lombok:1.18.38'
 
-	testCompileOnly         'org.projectlombok:lombok:1.18.38'
-	testAnnotationProcessor 'org.projectlombok:lombok:1.18.38'
+    testCompileOnly         'org.projectlombok:lombok:1.18.38'
+    testAnnotationProcessor 'org.projectlombok:lombok:1.18.38'
 }
 
 tasks.named('test') {
-	useJUnitPlatform()
+    useJUnitPlatform()
 }
+
 tasks.withType(JavaCompile).configureEach {
-	options.compilerArgs << '-parameters'
+    options.compilerArgs << '-parameters'
 }
 
 bootBuildImage {
-	publish = false
+    publish = false
+}
+
+spotless {
+    java {
+        googleJavaFormat('1.22.0').aosp()
+        removeUnusedImports()
+        trimTrailingWhitespace()
+        leadingTabsToSpaces()
+        endWithNewline()
+        importOrder '', 'java', 'javax', 'org', 'com'
+        target 'src/**/*.java'
+    }
+
+    format 'misc', {
+        target '*.gradle', '*.md', '.gitignore'
+        leadingTabsToSpaces()
+        trimTrailingWhitespace()
+        endWithNewline()
+    }
 }

src/main/java/io/autoinvestor/application/HoldingDeleteUseCase/HoldingDeleteCommand.java

@@ -1,7 +1,3 @@
 package io.autoinvestor.application.HoldingDeleteUseCase;
 
-public record HoldingDeleteCommand(
-        String userId,
-        String assetId
-) {
-}
+public record HoldingDeleteCommand(String userId, String assetId) {}

src/main/java/io/autoinvestor/application/HoldingDeleteUseCase/HoldingDeleteCommandHandler.java

@@ -9,10 +9,11 @@
 import io.autoinvestor.domain.model.WalletId;
 import io.autoinvestor.exceptions.UserWithoutPortfolio;
 import lombok.RequiredArgsConstructor;
-import org.springframework.stereotype.Service;
 
 import java.util.List;
 
+import org.springframework.stereotype.Service;
+
 @Service
 @RequiredArgsConstructor
 public class HoldingDeleteCommandHandler {
@@ -22,13 +23,15 @@ public class HoldingDeleteCommandHandler {
     private final HoldingsReadModel holdingsReadModel;
     private final EventPublisher eventPublisher;
 
-    public void handle (HoldingDeleteCommand command) {
+    public void handle(HoldingDeleteCommand command) {
         String walletId = this.usersWalletReadModel.getWalletId(command.userId());
         if (walletId == null) {
             throw UserWithoutPortfolio.with(command.userId());
         }
-        Wallet wallet = this.eventStore.get(WalletId.of(walletId))
-                .orElseThrow(() -> UserWithoutPortfolio.with(command.userId()));
+        Wallet wallet =
+                this.eventStore
+                        .get(WalletId.of(walletId))
+                        .orElseThrow(() -> UserWithoutPortfolio.with(command.userId()));
         wallet.deleteHolding(command.userId(), command.assetId());
         List<Event<?>> events = wallet.getUncommittedEvents();
 

src/main/java/io/autoinvestor/application/HoldingsReadModel.java

@@ -4,8 +4,12 @@
 
 public interface HoldingsReadModel {
     void add(HoldingsReadModelDTO dto);
+
     void update(HoldingsReadModelDTO dto);
+
     boolean delete(String userId, String assetId);
+
     List<HoldingsReadModelDTO> getHoldings(String userId);
+
     boolean assetAlreadyExists(String userIs, String assetId);
 }

src/main/java/io/autoinvestor/application/HoldingsReadModelDTO.java

@@ -1,9 +1,4 @@
 package io.autoinvestor.application;
 
 public record HoldingsReadModelDTO(
-        String userId,
-        String assetId,
-        Integer amount,
-        Integer boughtPrice
-) {
-}
+        String userId, String assetId, Integer amount, Integer boughtPrice) {}

src/main/java/io/autoinvestor/application/NewHoldingUseCase/NewHoldingCommand.java

@@ -1,9 +1,4 @@
 package io.autoinvestor.application.NewHoldingUseCase;
 
 public record NewHoldingCommand(
-        String assetId,
-        String userId,
-        Integer amount,
-        Integer boughtPrice
-) {
-}
+        String assetId, String userId, Integer amount, Integer boughtPrice) {}

src/main/java/io/autoinvestor/application/NewHoldingUseCase/NewHoldingCommandHandler.java

@@ -12,10 +12,11 @@
 import io.autoinvestor.exceptions.AssetAlreadyExists;
 import io.autoinvestor.exceptions.UserWithoutPortfolio;
 import lombok.RequiredArgsConstructor;
-import org.springframework.stereotype.Service;
 
 import java.util.List;
 
+import org.springframework.stereotype.Service;
+
 @Service
 @RequiredArgsConstructor
 public class NewHoldingCommandHandler {
@@ -34,22 +35,32 @@ public void handle(NewHoldingCommand command) {
         if (this.holdingsReadModel.assetAlreadyExists(command.userId(), command.assetId())) {
             throw AssetAlreadyExists.with(command.userId(), command.assetId());
         }
-        Wallet wallet = this.eventStore.get(WalletId.of(walletId))
-                .orElseThrow(() -> UserWithoutPortfolio.with(command.userId()));
+        Wallet wallet =
+                this.eventStore
+                        .get(WalletId.of(walletId))
+                        .orElseThrow(() -> UserWithoutPortfolio.with(command.userId()));
 
-        wallet.createHolding(command.userId(), command.assetId(), command.amount(), command.boughtPrice());
+        wallet.createHolding(
+                command.userId(), command.assetId(), command.amount(), command.boughtPrice());
 
         List<Event<?>> events = wallet.getUncommittedEvents();
 
         this.eventStore.save(wallet);
 
-        HoldingsReadModelDTO dto = new HoldingsReadModelDTO(
-                wallet.getState().getUserId().value(),
-                command.assetId(),
-                wallet.getState().getHoldings().get(AssetId.of(command.assetId())).amount().value(),
-                wallet.getState().getHoldings().get(AssetId.of(command.assetId())).boughtPrice().value()
-
-        );
+        HoldingsReadModelDTO dto =
+                new HoldingsReadModelDTO(
+                        wallet.getState().getUserId().value(),
+                        command.assetId(),
+                        wallet.getState()
+                                .getHoldings()
+                                .get(AssetId.of(command.assetId()))
+                                .amount()
+                                .value(),
+                        wallet.getState()
+                                .getHoldings()
+                                .get(AssetId.of(command.assetId()))
+                                .boughtPrice()
+                                .value());
         this.holdingsReadModel.add(dto);
 
         this.eventPublisher.publish(events);

src/main/java/io/autoinvestor/application/QueryHoldingsUseCase/GetHoldingsQuery.java

@@ -1,5 +1,3 @@
 package io.autoinvestor.application.QueryHoldingsUseCase;
 
-public record GetHoldingsQuery(
-   String userId
-) {}
+public record GetHoldingsQuery(String userId) {}

src/main/java/io/autoinvestor/application/QueryHoldingsUseCase/GetHoldingsQueryHandler.java

@@ -3,17 +3,18 @@
 import io.autoinvestor.application.HoldingsReadModel;
 import io.autoinvestor.application.HoldingsReadModelDTO;
 import lombok.RequiredArgsConstructor;
-import org.springframework.stereotype.Service;
 
 import java.util.List;
 
+import org.springframework.stereotype.Service;
+
 @Service
 @RequiredArgsConstructor
 public class GetHoldingsQueryHandler {
 
     private final HoldingsReadModel readModel;
 
-    public List<HoldingsReadModelDTO> handle (GetHoldingsQuery query) {
+    public List<HoldingsReadModelDTO> handle(GetHoldingsQuery query) {
         return this.readModel.getHoldings(query.userId());
     }
 }

src/main/java/io/autoinvestor/application/UptdateHoldingUseCase/UpdateHoldingCommand.java

@@ -1,9 +1,4 @@
 package io.autoinvestor.application.UptdateHoldingUseCase;
 
 public record UpdateHoldingCommand(
-        String userId,
-        String assetId,
-        Integer amount,
-        Integer boughtPrice
-) {
-}
+        String userId, String assetId, Integer amount, Integer boughtPrice) {}

src/main/java/io/autoinvestor/application/UptdateHoldingUseCase/UpdateHoldingCommandHandler.java

@@ -3,18 +3,19 @@
 import io.autoinvestor.application.HoldingsReadModel;
 import io.autoinvestor.application.HoldingsReadModelDTO;
 import io.autoinvestor.application.UsersWalletReadModel;
+import io.autoinvestor.domain.events.Event;
 import io.autoinvestor.domain.events.EventPublisher;
+import io.autoinvestor.domain.events.WalletEventStoreRepository;
 import io.autoinvestor.domain.model.AssetId;
-import io.autoinvestor.domain.events.Event;
 import io.autoinvestor.domain.model.Wallet;
-import io.autoinvestor.domain.events.WalletEventStoreRepository;
 import io.autoinvestor.domain.model.WalletId;
 import io.autoinvestor.exceptions.UserWithoutPortfolio;
 import lombok.RequiredArgsConstructor;
-import org.springframework.stereotype.Service;
 
 import java.util.List;
 
+import org.springframework.stereotype.Service;
+
 @Service
 @RequiredArgsConstructor
 public class UpdateHoldingCommandHandler {
@@ -24,27 +25,38 @@ public class UpdateHoldingCommandHandler {
     private final WalletEventStoreRepository eventStore;
     private final EventPublisher eventPublisher;
 
-    public void handle (UpdateHoldingCommand command) {
+    public void handle(UpdateHoldingCommand command) {
         String walletId = this.usersWalletReadModel.getWalletId(command.userId());
         if (walletId == null) {
             throw UserWithoutPortfolio.with(command.userId());
         }
 
-        Wallet wallet = this.eventStore.get(WalletId.of(walletId))
-                .orElseThrow(() -> UserWithoutPortfolio.with(command.userId()));
+        Wallet wallet =
+                this.eventStore
+                        .get(WalletId.of(walletId))
+                        .orElseThrow(() -> UserWithoutPortfolio.with(command.userId()));
 
-        wallet.updateHolding(command.userId(), command.assetId(), command.amount(), command.boughtPrice());
+        wallet.updateHolding(
+                command.userId(), command.assetId(), command.amount(), command.boughtPrice());
 
         List<Event<?>> events = wallet.getUncommittedEvents();
 
         this.eventStore.save(wallet);
 
-        HoldingsReadModelDTO dto = new HoldingsReadModelDTO(
-                wallet.getState().getUserId().value(),
-                command.assetId(),
-                wallet.getState().getHoldings().get(AssetId.of(command.assetId())).amount().value(),
-                wallet.getState().getHoldings().get(AssetId.of(command.assetId())).boughtPrice().value()
-        );
+        HoldingsReadModelDTO dto =
+                new HoldingsReadModelDTO(
+                        wallet.getState().getUserId().value(),
+                        command.assetId(),
+                        wallet.getState()
+                                .getHoldings()
+                                .get(AssetId.of(command.assetId()))
+                                .amount()
+                                .value(),
+                        wallet.getState()
+                                .getHoldings()
+                                .get(AssetId.of(command.assetId()))
+                                .boughtPrice()
+                                .value());
         this.holdingsReadModel.update(dto);
 
         this.eventPublisher.publish(events);

src/main/java/io/autoinvestor/application/UsersWalletReadModel.java

@@ -2,5 +2,6 @@
 
 public interface UsersWalletReadModel {
     void add(UsersWalletReadModelDTO dto);
+
     String getWalletId(String userId);
 }

src/main/java/io/autoinvestor/application/UsersWalletReadModelDTO.java

@@ -1,7 +1,3 @@
 package io.autoinvestor.application;
 
-public record UsersWalletReadModelDTO(
-        String walletId,
-        String userId
-) {
-}
+public record UsersWalletReadModelDTO(String walletId, String userId) {}

src/main/java/io/autoinvestor/application/WalletCreatedUseCase/WalletCreateCommand.java

@@ -1,5 +1,3 @@
 package io.autoinvestor.application.WalletCreatedUseCase;
 
-public record WalletCreateCommand(
-        String userId
-) {}
+public record WalletCreateCommand(String userId) {}