com.springsource.greenhouse.invite.mail.MailInviteController.java Source code

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Here is the source code for com.springsource.greenhouse.invite.mail.MailInviteController.java

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/*
 * Copyright 2010 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.springsource.greenhouse.invite.mail;

import javax.inject.Inject;
import javax.validation.Valid;

import org.springframework.core.io.ClassPathResource;
import org.springframework.stereotype.Controller;
import org.springframework.templating.ResourceStringTemplateFactory;
import org.springframework.templating.StringTemplate;
import org.springframework.templating.StringTemplateFactory;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import com.springsource.greenhouse.account.Account;
import com.springsource.greenhouse.utils.Message;

/**
 * UI Controller for sending email invites.
 * @author Keith Donald
 */
@Controller
public class MailInviteController {

    private final StringTemplateFactory inviteTemplateFactory = new ResourceStringTemplateFactory(
            new ClassPathResource("invite-text-body.st", getClass()));

    private final MailInviteService inviteService;

    @Inject
    public MailInviteController(MailInviteService inviteService) {
        this.inviteService = inviteService;
    }

    /**
     * Render the mail invite form as HTML in the web browser.
     * The invitation text is pre-populated with some standard text that may be customized by the sender.
     */
    @RequestMapping(value = "/invite/mail", method = RequestMethod.GET)
    public MailInviteForm invitePage(Account account) {
        MailInviteForm form = new MailInviteForm();
        form.setInvitationText(renderStandardInvitationText(account));
        return form;
    }

    /**
     * Process the invite form submission and send out the invites.
     * On success, redirect back to the invite form and render a success message.
     */
    @RequestMapping(value = "/invite/mail", method = RequestMethod.POST)
    public String sendInvites(@Valid MailInviteForm form, BindingResult result, Account account,
            RedirectAttributes redirectAttrs) {
        if (result.hasErrors()) {
            return null;
        }
        inviteService.sendInvite(account, form.getInvitees(), form.getInvitationText());
        redirectAttrs.addFlashAttribute(Message.success("Your invitations have been sent"));
        return "redirect:/invite/mail";
    }

    // internal helpers

    private String renderStandardInvitationText(Account account) {
        StringTemplate template = inviteTemplateFactory.getStringTemplate();
        template.put("account", account);
        return template.render();
    }

}