AdminRoleAction.java

/*
 * Copyright 2012-2017 CodeLibs Project and the Others.
 *
 * 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.codelibs.fess.app.web.admin.role;

import java.util.Base64;

import javax.annotation.Resource;

import org.codelibs.fess.Constants;
import org.codelibs.fess.app.pager.RolePager;
import org.codelibs.fess.app.service.RoleService;
import org.codelibs.fess.app.web.CrudMode;
import org.codelibs.fess.app.web.base.FessAdminAction;
import org.codelibs.fess.es.user.exentity.Role;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.RenderDataUtil;
import org.dbflute.optional.OptionalEntity;
import org.dbflute.optional.OptionalThing;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.render.RenderData;
import org.lastaflute.web.ruts.process.ActionRuntime;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author shinsuke
 * @author Keiichi Watanabe
 */
public class AdminRoleAction extends FessAdminAction {

    private static final Logger logger = LoggerFactory.getLogger(AdminRoleAction.class);

    // ===================================================================================
    //                                                                           Attribute
    //                                                                           =========
    @Resource
    private RoleService roleService;
    @Resource
    private RolePager rolePager;

    // ===================================================================================
    //                                                                               Hook
    //                                                                              ======
    @Override
    protected void setupHtmlData(final ActionRuntime runtime) {
        super.setupHtmlData(runtime);
        runtime.registerData("helpLink", systemHelper.getHelpLink(fessConfig.getOnlineHelpNameRole()));
    }

    // ===================================================================================
    //                                                                      Search Execute
    //                                                                      ==============
    @Execute
    public HtmlResponse index(final SearchForm form) {
        return asListHtml();
    }

    @Execute
    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            rolePager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            rolePager.setCurrentPageNumber(0);
        });
        return asHtml(path_AdminRole_AdminRoleJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

    @Execute
    public HtmlResponse search(final SearchForm form) {
        copyBeanToBean(form, rolePager, op -> op.exclude(Constants.PAGER_CONVERSION_RULE));
        return asHtml(path_AdminRole_AdminRoleJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

    @Execute
    public HtmlResponse reset(final SearchForm form) {
        rolePager.clear();
        return asHtml(path_AdminRole_AdminRoleJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

    protected void searchPaging(final RenderData data, final SearchForm form) {
        RenderDataUtil.register(data, "roleItems", roleService.getRoleList(rolePager)); // page navi

        // restore from pager
        copyBeanToBean(rolePager, form, op -> op.include("id"));
    }

    // ===================================================================================
    //                                                                        Edit Execute
    //                                                                        ============
    // -----------------------------------------------------
    //                                            Entry Page
    //                                            ----------
    @Execute
    public HtmlResponse createnew() {
        saveToken();
        return asHtml(path_AdminRole_AdminRoleEditJsp).useForm(CreateForm.class, op -> {
            op.setup(form -> {
                form.initialize();
                form.crudMode = CrudMode.CREATE;
            });
        });
    }

    // -----------------------------------------------------
    //                                               Details
    //                                               -------
    @Execute
    public HtmlResponse details(final int crudMode, final String id) {
        verifyCrudMode(crudMode, CrudMode.DETAILS);
        saveToken();
        return asHtml(path_AdminRole_AdminRoleDetailsJsp).useForm(EditForm.class, op -> {
            op.setup(form -> {
                roleService.getRole(id).ifPresent(entity -> {
                    copyBeanToBean(entity, form, copyOp -> {
                        copyOp.excludeNull();
                    });
                    form.crudMode = crudMode;
                }).orElse(() -> {
                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), () -> asListHtml());
                });
            });
        });
    }

    // -----------------------------------------------------
    //                                         Actually Crud
    //                                         -------------
    @Execute
    public HtmlResponse create(final CreateForm form) {
        verifyCrudMode(form.crudMode, CrudMode.CREATE);
        validate(form, messages -> {}, () -> asEditHtml());
        verifyToken(() -> asEditHtml());
        getRole(form).ifPresent(
                entity -> {
                    try {
                        roleService.store(entity);
                        saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
                    } catch (final Exception e) {
                        logger.error("Failed to add " + entity, e);
                        throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                                () -> asEditHtml());
                    }
                }).orElse(() -> {
            throwValidationError(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL), () -> asEditHtml());
        });
        return redirect(getClass());
    }

    @Execute
    public HtmlResponse delete(final EditForm form) {
        verifyCrudMode(form.crudMode, CrudMode.DETAILS);
        validate(form, messages -> {}, () -> asDetailsHtml());
        verifyToken(() -> asDetailsHtml());
        final String id = form.id;
        roleService.getRole(id).ifPresent(entity -> {
            try {
                roleService.delete(entity);
                saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.error("Failed to delete " + entity, e);
                throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), () -> asDetailsHtml());
            }
        }).orElse(() -> {
            throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), () -> asDetailsHtml());
        });
        return redirect(getClass());
    }

    // ===================================================================================
    //                                                                        Assist Logic
    //                                                                        ============
    private static OptionalEntity<Role> getEntity(final CreateForm form) {
        switch (form.crudMode) {
        case CrudMode.CREATE:
            return OptionalEntity.of(new Role()).map(entity -> {
                entity.setId(Base64.getUrlEncoder().encodeToString(form.name.getBytes(Constants.CHARSET_UTF_8)));
                return entity;
            });
        case CrudMode.EDIT:
            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(RoleService.class).getRole(((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    public static OptionalEntity<Role> getRole(final CreateForm form) {
        return getEntity(form).map(entity -> {
            copyBeanToBean(form, entity, op -> op.exclude(Constants.COMMON_CONVERSION_RULE));
            return entity;
        });
    }

    // ===================================================================================
    //                                                                        Small Helper
    //                                                                        ============
    protected void verifyCrudMode(final int crudMode, final int expectedMode) {
        if (crudMode != expectedMode) {
            throwValidationError(messages -> {
                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(crudMode));
            }, () -> asListHtml());
        }
    }

    // ===================================================================================
    //                                                                              JSP
    //                                                                           =========

    private HtmlResponse asListHtml() {
        return asHtml(path_AdminRole_AdminRoleJsp).renderWith(data -> {
            RenderDataUtil.register(data, "roleItems", roleService.getRoleList(rolePager)); // page navi
            }).useForm(SearchForm.class, setup -> {
            setup.setup(form -> {
                copyBeanToBean(rolePager, form, op -> op.include("id"));
            });
        });
    }

    private HtmlResponse asEditHtml() {
        return asHtml(path_AdminRole_AdminRoleEditJsp);
    }

    private HtmlResponse asDetailsHtml() {
        return asHtml(path_AdminRole_AdminRoleDetailsJsp);
    }
}