Add Instantaneous Email Notifications

Description

• Adds notification preferences to the profile page:

• Adds instantaneous email notifications when:
  • Application is submitted: (Subject: "Application (CSE1110) Successfully Submitted!")
  • Position is offered: (Subject: "Action Required: Position (CSE1110) Offered!")
    • Without Hiring Message:
    • With Hiring Message:
  • Application is rejected (also if offered/hired, then rejected): (Subject: "Application (CSE1110) Rejected")
    • Without Rejection Message:
    • With Rejection Message:
  • Declaration is rejected: (Subject: "Declaration (CSE1100) Rejected")
  • Declaration is approved: (Subject: "Declaration (CSE1100) Approved")

Related Issues

• Resolves #66 (closed)

Checklist

• I have added a changelog entry to reflect the significant changes I made.

src/main/java/nl/tudelft/tam/config/EmailConfig.java

+/*
+ * TAM
+ * Copyright (C) 2021 - Delft University of Technology
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package nl.tudelft.tam.config;
+
+import java.util.Collections;
+import java.util.Properties;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.mail.javamail.JavaMailSender;
+import org.springframework.mail.javamail.JavaMailSenderImpl;
+import org.thymeleaf.TemplateEngine;
+import org.thymeleaf.spring5.SpringTemplateEngine;
+import org.thymeleaf.templatemode.TemplateMode;
+import org.thymeleaf.templateresolver.ClassLoaderTemplateResolver;
+import org.thymeleaf.templateresolver.ITemplateResolver;
+import org.thymeleaf.templateresolver.StringTemplateResolver;
+
+@Configuration
+public class EmailConfig {
+
+	@Value("${spring.mail.default-encoding}")
+	private String defaultEncoding;
+	@Value("${spring.mail.host}")
+	private String host;
+	@Value("${spring.mail.port}")
+	private int port;
+	@Value("${spring.mail.username}")
+	private String username;
+	@Value("${spring.mail.password}")
+	private String password;
+	@Value("${spring.mail.protocol}")
+	private String protocol;
+	@Value("${spring.mail.properties.mail.smtp.auth}")
+	private String auth;
+	@Value("${spring.mail.properties.mail.smtp.starttls.enable}")
+	private String enableTls;
+	@Value("${spring.mail.properties.mail.smtp.ssl.trust}")
+	private String trustSsl;
+
+	@Bean
+	public JavaMailSender emailSender() {
+		JavaMailSenderImpl mailSender = new JavaMailSenderImpl();
+		mailSender.setDefaultEncoding(defaultEncoding);
+		mailSender.setHost(host);
+		mailSender.setPort(port);
+
+		mailSender.setUsername(username);
+		mailSender.setPassword(password);
+
+		mailSender.setProtocol(protocol);
+
+		Properties props = mailSender.getJavaMailProperties();
+		props.put("mail.smtp.auth", auth);
+		props.put("mail.smtp.starttls.enable", enableTls);
+		props.put("mail.smtp.ssl.trust", trustSsl);
+
+		return mailSender;
+	}
+
+	@Bean
+	public TemplateEngine emailTemplateEngine() {
+		final SpringTemplateEngine templateEngine = new SpringTemplateEngine();
+		templateEngine.addTemplateResolver(textTemplateResolver());
+		templateEngine.addTemplateResolver(htmlTemplateResolver());
+		templateEngine.addTemplateResolver(stringTemplateResolver());
+		return templateEngine;
+	}
+
+	private ITemplateResolver textTemplateResolver() {
+		final ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
+		templateResolver.setOrder(1);
+		templateResolver.setResolvablePatterns(Collections.singleton("text/*"));
+		templateResolver.setPrefix("/email/");
+		templateResolver.setSuffix(".txt");
+		templateResolver.setTemplateMode(TemplateMode.TEXT);
+		templateResolver.setCharacterEncoding("UTF-8");
+		templateResolver.setCacheable(false);
+		return templateResolver;
+	}
+
+	private ITemplateResolver htmlTemplateResolver() {
+		final ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
+		templateResolver.setOrder(2);
+		templateResolver.setResolvablePatterns(Collections.singleton("html/*"));
+		templateResolver.setPrefix("/email/");
+		templateResolver.setSuffix(".html");
+		templateResolver.setTemplateMode("HTML");
+		templateResolver.setCharacterEncoding("UTF-8");
+		templateResolver.setCacheable(false);
+		return templateResolver;
+	}
+
+	private ITemplateResolver stringTemplateResolver() {
+		final StringTemplateResolver templateResolver = new StringTemplateResolver();
+		templateResolver.setOrder(3);
+		templateResolver.setTemplateMode("HTML");
+		templateResolver.setCacheable(false);
+		return templateResolver;
+	}
+}