org.meruvian.yama.showcase.action.admin.UserAction.java Source code

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Here is the source code for org.meruvian.yama.showcase.action.admin.UserAction.java

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/**
 * Copyright 2014 Meruvian
 *
 * 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 org.meruvian.yama.showcase.action.admin;

import javax.inject.Inject;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.validator.routines.EmailValidator;
import org.meruvian.inca.struts2.rest.ActionResult;
import org.meruvian.inca.struts2.rest.annotation.Action;
import org.meruvian.inca.struts2.rest.annotation.Action.HttpMethod;
import org.meruvian.inca.struts2.rest.annotation.ActionParam;
import org.meruvian.yama.repository.role.DefaultRole;
import org.meruvian.yama.repository.role.Role;
import org.meruvian.yama.repository.user.DefaultUser;
import org.meruvian.yama.repository.user.User;
import org.meruvian.yama.service.RoleManager;
import org.meruvian.yama.service.UserManager;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;

import com.opensymphony.xwork2.ActionSupport;

/**
 * @author Dian Aditya
 *
 */
@Action(name = "/admin/users")
public class UserAction extends ActionSupport {
    @Inject
    private UserManager userManager;

    @Inject
    private RoleManager roleManager;

    @Action(method = HttpMethod.GET)
    public ActionResult userList(@ActionParam("q") String q, @ActionParam("max") int max,
            @ActionParam("page") int page) {
        max = max == 0 ? 10 : max;
        Page<? extends User> users = userManager.findUserByKeyword(q, new PageRequest(page, max));

        return new ActionResult("freemarker", "/view/admin/user/user-list.ftl").addToModel("users", users);
    }

    @Action(name = "/{username}/edit", method = HttpMethod.GET)
    public ActionResult userForm(@ActionParam("username") String username) {
        ActionResult actionResult = new ActionResult("freemarker", "/view/admin/user/user-form.ftl");

        showRoles(actionResult, username);

        return actionResult;
    }

    @Action(name = "/{username}/edit", method = HttpMethod.POST)
    public ActionResult updateUser(@ActionParam("username") String username, @ActionParam("user") DefaultUser user,
            @ActionParam("roles") String[] roles, @ActionParam("confirmPassword") String confirmPassword) {
        validateUser(user, confirmPassword);

        if (hasFieldErrors()) {
            ActionResult actionResult = new ActionResult("freemarker", "/view/admin/user/user-form.ftl");

            showRoles(actionResult, username);

            return actionResult;
        }

        User u = userManager.saveUser(user);
        String redirectUri = "/admin/users/" + u.getUsername() + "/edit?success";

        if (StringUtils.equalsIgnoreCase(username, "-")) {
            redirectUri = "/admin/users?success";
        } else {
            for (Role r : userManager.findRoleByUser(u, null)) {
                userManager.removeRoleFromUser(u, r);
            }
        }

        if (roles != null) {
            for (String r : roles) {
                DefaultRole role = new DefaultRole();
                role.setName(r);

                userManager.addRoleToUser(u, role);
            }
        }

        return new ActionResult("redirect", redirectUri);
    }

    @Action(name = "/{username}/edit/status", method = HttpMethod.POST)
    public ActionResult updateUserStatus(@ActionParam("id") final String id, @ActionParam("status") int status) {
        User u = new DefaultUser() {
            {
                setId(id);
            }
        };
        u = userManager.updateStatus(u, status);

        String redirectUri = "/admin/users/" + u.getUsername() + "/edit?success";

        return new ActionResult("redirect", redirectUri);
    }

    public void showRoles(ActionResult actionResult, String username) {
        Page<? extends Role> roles = roleManager.findActiveRoleByKeyword("", null);
        actionResult.addToModel("roles", roles);

        if (!StringUtils.equalsIgnoreCase(username, "-")) {
            User user = userManager.getUserByUsername(username);
            actionResult.addToModel("user", user);

            Page<? extends Role> userRoles = userManager.findRoleByUser(user, null);
            actionResult.addToModel("userRoles", userRoles);
        }
    }

    private void validateUser(DefaultUser user, String confirmPassword) {
        User u = userManager.getUserById(user.getId());
        String username = u == null ? "" : u.getUsername();
        String email = u == null ? "" : u.getEmail();

        if (StringUtils.isBlank(user.getUsername())) {
            addFieldError("user.username", getText("message.admin.user.username.notempty"));
        } else {
            if (!StringUtils.equals(username, user.getUsername())) {
                if (userManager.getUserByUsername(user.getUsername()) != null)
                    addFieldError("user.username", getText("message.admin.user.username.exist"));
            }
        }

        if (StringUtils.isBlank(user.getEmail())) {
            addFieldError("user.email", getText("message.admin.user.email.notempty"));
        } else if (!EmailValidator.getInstance().isValid(user.getEmail())) {
            addFieldError("user.email", getText("message.admin.user.username.notvalid"));
        } else {
            if (StringUtils.isNotBlank(user.getId())) {
                if (!StringUtils.equals(email, user.getEmail())) {
                    if (userManager.getUserByEmail(user.getEmail()) != null)
                        addFieldError("user.email", getText("message.admin.user.username.exist"));
                }
            } else {
                if (userManager.getUserByEmail(user.getEmail()) != null)
                    addFieldError("user.email", getText("message.admin.user.username.exist"));
            }
        }

        if (StringUtils.isBlank(user.getPassword()) && StringUtils.isBlank(user.getId())) {
            addFieldError("user.password", getText("message.admin.user.password.notempty"));
        }

        if (!StringUtils.equals(user.getPassword(), confirmPassword)) {
            addFieldError("confirmPassword", getText("message.admin.user.password.notmatch"));
        }
    }
}