common.EmailSender.java Source code

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Here is the source code for common.EmailSender.java

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/*
 * MyTake.org
 *
 *  Copyright 2017 by its authors.
 *  Some rights reserved. See LICENSE, https://github.com/mytakedotorg/mytakedotorg/graphs/contributors
 */
package common;

import com.diffplug.common.base.Errors;
import com.diffplug.common.base.Throwing;
import com.google.inject.Binder;
import com.typesafe.config.Config;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
import org.apache.commons.mail.HtmlEmail;
import org.jooby.Env;
import org.jooby.Jooby;
import org.jooby.Registry;
import org.jooby.mail.CommonsEmail;

/**
 * Sends an email in another thread to avoid blocking.
 */
public class EmailSender {
    private Registry registry;
    private Executor executor;

    private EmailSender(Executor executor) {
        this.executor = executor;
    }

    /** Sends an email. If no "from" is specified, it will be from {@link Emails#TEAM}. */
    public void send(Throwing.Consumer<HtmlEmail> sender) throws Throwable {
        HtmlEmail htmlEmail = registry.require(HtmlEmail.class);
        htmlEmail.setFrom(Emails.TEAM, Emails.TEAM_NAME);
        sender.accept(htmlEmail);
        executor.execute(() -> {
            Errors.log().run(htmlEmail::send);
        });
    }

    private static class Module implements Jooby.Module {
        @Override
        public void configure(Env env, Config conf, Binder binder) throws Throwable {
            Executor executor = Executors.newCachedThreadPool();
            EmailSender emailSender = new EmailSender(executor);
            binder.bind(EmailSender.class).toInstance(emailSender);
            env.onStart(registry -> {
                emailSender.registry = registry;
            });
        }
    }

    public static void init(Jooby jooby) {
        jooby.use(new CommonsEmail());
        jooby.use(new Module());
    }
}