chore: changed services to interfaces

closes #13

src/main/java/msb/shortcut/master/service/AuditEventService.java

@@ -1,49 +1,16 @@
 package msb.shortcut.master.service;
 
-import msb.shortcut.master.config.audit.AuditEventConverter;
-import msb.shortcut.master.repository.PersistenceAuditEventRepository;
 import org.springframework.boot.actuate.audit.AuditEvent;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
-import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Transactional;
 
 import java.time.Instant;
 import java.util.Optional;
 
-/**
- * Service for managing audit events.
- * <p>
- * This is the default implementation to support SpringBoot Actuator AuditEventRepository
- */
-@Service
-@Transactional
-public class AuditEventService {
+public interface AuditEventService {
+    Page<AuditEvent> findAll(Pageable pageable);
 
-    private final PersistenceAuditEventRepository persistenceAuditEventRepository;
+    Page<AuditEvent> findByDates(Instant fromDate, Instant toDate, Pageable pageable);
 
-    private final AuditEventConverter auditEventConverter;
-
-    public AuditEventService(
-        PersistenceAuditEventRepository persistenceAuditEventRepository,
-        AuditEventConverter auditEventConverter) {
-
-        this.persistenceAuditEventRepository = persistenceAuditEventRepository;
-        this.auditEventConverter = auditEventConverter;
-    }
-
-    public Page<AuditEvent> findAll(Pageable pageable) {
-        return persistenceAuditEventRepository.findAll(pageable)
-            .map(auditEventConverter::convertToAuditEvent);
-    }
-
-    public Page<AuditEvent> findByDates(Instant fromDate, Instant toDate, Pageable pageable) {
-        return persistenceAuditEventRepository.findAllByAuditEventDateBetween(fromDate, toDate, pageable)
-            .map(auditEventConverter::convertToAuditEvent);
-    }
-
-    public Optional<AuditEvent> find(Long id) {
-        return Optional.ofNullable(persistenceAuditEventRepository.findOne(id)).map
-            (auditEventConverter::convertToAuditEvent);
-    }
+    Optional<AuditEvent> find(Long id);
 }

src/main/java/msb/shortcut/master/service/MailService.java

@@ -1,105 +1,21 @@
 package msb.shortcut.master.service;
 
 import msb.shortcut.master.domain.User;
-
-import io.github.jhipster.config.JHipsterProperties;
-
-import org.apache.commons.lang3.CharEncoding;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.context.MessageSource;
-import org.springframework.mail.javamail.JavaMailSender;
-import org.springframework.mail.javamail.MimeMessageHelper;
 import org.springframework.scheduling.annotation.Async;
-import org.springframework.stereotype.Service;
-import org.thymeleaf.context.Context;
-import org.thymeleaf.spring4.SpringTemplateEngine;
-
-import javax.mail.internet.MimeMessage;
-import java.util.Locale;
-
-/**
- * Service for sending emails.
- * <p>
- * We use the @Async annotation to send emails asynchronously.
- */
-@Service
-public class MailService {
-
-    private final Logger log = LoggerFactory.getLogger(MailService.class);
-
-    private static final String USER = "user";
-
-    private static final String BASE_URL = "baseUrl";
-
-    private final JHipsterProperties jHipsterProperties;
-
-    private final JavaMailSender javaMailSender;
-
-    private final MessageSource messageSource;
-
-    private final SpringTemplateEngine templateEngine;
-
-    public MailService(JHipsterProperties jHipsterProperties, JavaMailSender javaMailSender,
-            MessageSource messageSource, SpringTemplateEngine templateEngine) {
-
-        this.jHipsterProperties = jHipsterProperties;
-        this.javaMailSender = javaMailSender;
-        this.messageSource = messageSource;
-        this.templateEngine = templateEngine;
-    }
 
+public interface MailService {
     @Async
-    public void sendEmail(String to, String subject, String content, boolean isMultipart, boolean isHtml) {
-        log.debug("Send email[multipart '{}' and html '{}'] to '{}' with subject '{}' and content={}",
-            isMultipart, isHtml, to, subject, content);
-
-        // Prepare message using a Spring helper
-        MimeMessage mimeMessage = javaMailSender.createMimeMessage();
-        try {
-            MimeMessageHelper message = new MimeMessageHelper(mimeMessage, isMultipart, CharEncoding.UTF_8);
-            message.setTo(to);
-            message.setFrom(jHipsterProperties.getMail().getFrom());
-            message.setSubject(subject);
-            message.setText(content, isHtml);
-            javaMailSender.send(mimeMessage);
-            log.debug("Sent email to User '{}'", to);
-        } catch (Exception e) {
-            if (log.isDebugEnabled()) {
-                log.warn("Email could not be sent to user '{}'", to, e);
-            } else {
-                log.warn("Email could not be sent to user '{}': {}", to, e.getMessage());
-            }
-        }
-    }
+    void sendEmail(String to, String subject, String content, boolean isMultipart, boolean isHtml);
 
     @Async
-    public void sendEmailFromTemplate(User user, String templateName, String titleKey) {
-        Locale locale = Locale.forLanguageTag(user.getLangKey());
-        Context context = new Context(locale);
-        context.setVariable(USER, user);
-        context.setVariable(BASE_URL, jHipsterProperties.getMail().getBaseUrl());
-        String content = templateEngine.process(templateName, context);
-        String subject = messageSource.getMessage(titleKey, null, locale);
-        sendEmail(user.getEmail(), subject, content, false, true);
-
-    }
+    void sendEmailFromTemplate(User user, String templateName, String titleKey);
 
     @Async
-    public void sendActivationEmail(User user) {
-        log.debug("Sending activation email to '{}'", user.getEmail());
-        sendEmailFromTemplate(user, "activationEmail", "email.activation.title");
-    }
+    void sendActivationEmail(User user);
 
     @Async
-    public void sendCreationEmail(User user) {
-        log.debug("Sending creation email to '{}'", user.getEmail());
-        sendEmailFromTemplate(user, "creationEmail", "email.activation.title");
-    }
+    void sendCreationEmail(User user);
 
     @Async
-    public void sendPasswordResetMail(User user) {
-        log.debug("Sending password reset email to '{}'", user.getEmail());
-        sendEmailFromTemplate(user, "passwordResetEmail", "email.reset.title");
-    }
+    void sendPasswordResetMail(User user);
 }