package ru.ulstu.activity.common.service;

import ru.ulstu.activity.common.model.AbstractActivity;
import ru.ulstu.user.model.User;
import ru.ulstu.user.service.MailService;

import java.util.Map;

public abstract class ActivityNotificationService<T extends AbstractActivity> {
    private final MailService mailService;

    protected ActivityNotificationService(MailService mailService) {
        this.mailService = mailService;
    }

    public abstract void sendCreateNotification(T entity);

    protected void sendForAuthor(Map<String, Object> variables, User author, String template, String title) {
        mailService.sendEmailFromTemplate(variables, author, template, title);
    }

    protected void sendForAllAuthors(Map<String, Object> variables, T entity, String template, String title) {
        entity.getActivityMembers().forEach(author -> sendForAuthor(variables, author, template, title));
    }
}