io.github.ilyalisov.mail.MailAutoConfiguration Maven / Gradle / Ivy

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package io.github.ilyalisov.mail;

import io.github.ilyalisov.mail.config.MailServiceProperties;
import io.github.ilyalisov.mail.config.MailTemplate;
import io.github.ilyalisov.mail.service.GoogleMailServiceImpl;
import io.github.ilyalisov.mail.service.MailRuMailServiceImpl;
import io.github.ilyalisov.mail.service.MailService;
import io.github.ilyalisov.mail.service.MailServiceImpl;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.mail.javamail.JavaMailSenderImpl;

import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

@Configuration
@RequiredArgsConstructor
@EnableConfigurationProperties(MailServiceProperties.class)
@Slf4j
public class MailAutoConfiguration {

    /**
     * Freemarker configuration.
     */
    @Autowired
    private freemarker.template.Configuration freemarkerConfiguration;

    /**
     * Creates a mail service bean.
     *
     * @param mailProperties properties for default bean
     * @return mail service
     */
    @Bean
    @ConditionalOnMissingBean
    public MailService mailService(
            final MailServiceProperties mailProperties
    ) {
        Map templates = new HashMap<>();
        for (MailTemplate template : mailProperties.getTemplates()) {
            templates.put(template.getType(), template);
        }
        return switch (mailProperties.getVendor().toLowerCase()) {
            case "gmail.com" -> {
                log.info("Using Gmail.com mail sender.");
                yield new GoogleMailServiceImpl(
                        mailProperties.getUsername(),
                        mailProperties.getPassword(),
                        freemarkerConfiguration,
                        templates
                );
            }
            case "mail.ru" -> {
                log.info("Using Mail.ru mail sender.");
                yield new MailRuMailServiceImpl(
                        mailProperties.getUsername(),
                        mailProperties.getPassword(),
                        freemarkerConfiguration,
                        templates
                );
            }
            default -> {
                log.warn("Mail vendor is not specified. "
                        + "Using default mail sender.");
                JavaMailSenderImpl mailSender = new JavaMailSenderImpl();
                mailSender.setHost(mailProperties.getHost());
                mailSender.setPort(mailProperties.getPort());
                mailSender.setUsername(mailProperties.getUsername());
                mailSender.setPassword(mailProperties.getPassword());
                Properties properties = new Properties();
                properties.putAll(mailProperties.getProperties());
                mailSender.setJavaMailProperties(properties);
                yield new MailServiceImpl(
                        freemarkerConfiguration,
                        mailSender,
                        templates
                );
            }
        };
    }
}