path: root/catalog-be/src/main/java/org/openecomp/sdc/be/ecomp/EcompIntImpl.java

/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.sdc.be.ecomp;

import fj.data.Either;
import org.openecomp.portalsdk.core.onboarding.crossapi.IPortalRestAPIService;
import org.openecomp.portalsdk.core.onboarding.exception.PortalAPIException;
import org.openecomp.portalsdk.core.restful.domain.EcompRole;
import org.openecomp.portalsdk.core.restful.domain.EcompUser;
import org.openecomp.sdc.be.config.BeEcompErrorManager;
import org.openecomp.sdc.be.config.BeEcompErrorManager.ErrorSeverity;
import org.openecomp.sdc.be.dao.api.ActionStatus;
import org.openecomp.sdc.be.ecomp.converters.EcompRoleConverter;
import org.openecomp.sdc.be.ecomp.converters.EcompUserConverter;
import org.openecomp.sdc.be.model.User;
import org.openecomp.sdc.be.user.Role;
import org.openecomp.sdc.be.user.UserBusinessLogic;
import org.openecomp.sdc.common.api.Constants;
import org.openecomp.sdc.exception.ResponseFormat;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.web.context.ContextLoader;

import javax.servlet.http.HttpServletRequest;
import java.util.LinkedList;
import java.util.List;


public class EcompIntImpl implements IPortalRestAPIService {
    private static final Logger log = LoggerFactory.getLogger(EcompIntImpl.class);

    public EcompIntImpl() {
        log.debug("EcompIntImpl Class Instantiated");
    }

    @Override
    public void pushUser(EcompUser user) throws PortalAPIException {
        log.debug("Start handle request of ECOMP pushUser");
        try {
            if (user == null) {
                BeEcompErrorManager.getInstance().logInvalidInputError("PushUser", "Recieved null for argument user", ErrorSeverity.INFO);
                log.debug("Recieved null for argument user");
                throw new PortalAPIException("Recieved null for argument user");
            }

            UserBusinessLogic userBusinessLogic = getUserBusinessLogic();

            final String modifierAttId = "jh0003";
            User modifier = new User();
            modifier.setUserId(modifierAttId);
            log.debug("modifier id is {}", modifierAttId);

            Either<User, String> newASDCUser = EcompUserConverter.convertEcompUserToUser(user);
            if (newASDCUser.isRight()) {
                BeEcompErrorManager.getInstance().logInvalidInputError("PushUser", "Failed to convert user", ErrorSeverity.INFO);
                log.debug("Failed to create user {}", user);
                throw new PortalAPIException("Failed to create user " + newASDCUser.right().value());
            } else if (newASDCUser.left().value() == null) {
                BeEcompErrorManager.getInstance().logInvalidInputError("PushUser", "NULL pointer returned from user converter", ErrorSeverity.INFO);
                log.debug("Failed to create user {}", user);
                throw new PortalAPIException("Failed to create user " + newASDCUser.right().value());
            }

            User convertedAsdcUser = newASDCUser.left().value();
            Either<User, ResponseFormat> createUserResponse = userBusinessLogic.createUser(modifier, convertedAsdcUser);

            // ALREADY EXIST ResponseFormat
            final String ALREADY_EXISTS_RESPONSE_ID = "SVC4006";

            if (createUserResponse.isRight()) {
                if (!createUserResponse.right().value().getMessageId().equals(ALREADY_EXISTS_RESPONSE_ID)) {
                    log.debug("Failed to create user {}", user);
                    BeEcompErrorManager.getInstance().logInvalidInputError("PushUser", "Failed to create user", ErrorSeverity.ERROR);
                    throw new PortalAPIException("Failed to create user" + createUserResponse.right());
                }
                log.debug("User already exist {}", user);
            }
            log.debug("User created {}", user);
        } catch (Exception e) {
            log.debug("Failed to create user {}", user, e);
            BeEcompErrorManager.getInstance().logInvalidInputError("PushUser", "Failed to create user", ErrorSeverity.ERROR);
            throw new PortalAPIException("Failed to create user", e);
        }
    }

    /*
     * (non-Javadoc)
     *
     *
     * loginId - equals to userId
     *
     */
    @Override
    public void editUser(String loginId, EcompUser user) throws PortalAPIException {
        log.debug("Start handle request of ECOMP editUser");

        try {
            if (user == null) {
                log.debug("Recieved null for argument user");
                BeEcompErrorManager.getInstance().logInvalidInputError("EditUser", "Recieved null for argument user", ErrorSeverity.INFO);
                throw new PortalAPIException("Recieved null for argument user");
            } else if (loginId == null) {
                log.debug("Recieved null for argument loginId");
                BeEcompErrorManager.getInstance().logInvalidInputError("EditUser", "Recieved null for argument loginId", ErrorSeverity.INFO);
                throw new PortalAPIException("Recieved null for argument loginId");
            }

            UserBusinessLogic userBusinessLogic = getUserBusinessLogic();

            if (user.getLoginId() != null && !user.getLoginId().equals(loginId)) {
                log.debug("loginId and user loginId not equal");
                BeEcompErrorManager.getInstance().logInvalidInputError("EditUser", "loginId and user loginId not equal", ErrorSeverity.INFO);
                throw new PortalAPIException("loginId not equals to the user loginId field");
            } else if (user.getLoginId() == null) {
                user.setLoginId(loginId);
            }

            Either<User, String> asdcUser = EcompUserConverter.convertEcompUserToUser(user);
            if (asdcUser.isRight()) {
                log.debug("Failed to convert user");
                BeEcompErrorManager.getInstance().logInvalidInputError("EditUser", "Failed to convert user", ErrorSeverity.INFO);
                throw new PortalAPIException(asdcUser.right().value());
            } else if (asdcUser.left().value() == null) {
                log.debug("NULL pointer returned from user converter");
                BeEcompErrorManager.getInstance().logInvalidInputError("EditUser", "NULL pointer returned from user converter", ErrorSeverity.INFO);
                throw new PortalAPIException("Failed to edit user");
            }

            Either<User, ResponseFormat> updateUserCredentialsResponse = userBusinessLogic.updateUserCredentials(asdcUser.left().value());

            if (updateUserCredentialsResponse.isRight()) {
                log.debug("Failed to updateUserCredentials");
                BeEcompErrorManager.getInstance().logInvalidInputError("EditUser", "Failed to updateUserCredentials", ErrorSeverity.ERROR);
                throw new PortalAPIException("Failed to edit user" + updateUserCredentialsResponse.right().value());
            }
        } catch (Exception e) {
            log.debug("Failed to updateUserCredentials");
            throw new PortalAPIException("Failed to edit user", e);
        }

    }

    @Override
    public EcompUser getUser(String loginId) throws PortalAPIException {
        log.debug("Start handle request of ECOMP getUser");

        try {

            if (loginId == null) {
                log.debug("Recieved null for argument loginId");
                BeEcompErrorManager.getInstance().logInvalidInputError("GetUser", "Recieved null for argument loginId", ErrorSeverity.INFO);
                throw new PortalAPIException("Recieved null for argument loginId");
            }

            UserBusinessLogic userBusinessLogic = getUserBusinessLogic();

            Either<User, ActionStatus> getUserResponse = userBusinessLogic.getUser(loginId, false);

            if (getUserResponse.isRight()) {
                log.debug("Failed to get User");
                BeEcompErrorManager.getInstance().logInvalidInputError("GetUser", "Failed to get User", ErrorSeverity.INFO);
                throw new PortalAPIException("Failed to get User" + getUserResponse.right());
            } else {
                if (getUserResponse.left().value() != null) {
                    Either<EcompUser, String> ecompUser = EcompUserConverter.convertUserToEcompUser(getUserResponse.left().value());
                    if (ecompUser.isLeft() && ecompUser.left().value() != null) {
                        return ecompUser.left().value();
                    } else {
                        log.debug("Failed to get User");
                        BeEcompErrorManager.getInstance().logInvalidInputError("GetUser", "Failed to get User", ErrorSeverity.INFO);
                        throw new PortalAPIException(ecompUser.right().value());
                    }
                } else {
                    log.debug("Failed to get User");
                    BeEcompErrorManager.getInstance().logInvalidInputError("GetUser", "Failed to get User", ErrorSeverity.INFO);
                    throw new PortalAPIException("Failed to get User" + getUserResponse.right());
                }
            }
        } catch (Exception e) {
            log.debug("Failed to get User");
            throw new PortalAPIException("Failed to get User", e);
        }
    }

    @Override
    public List<EcompUser> getUsers() throws PortalAPIException {
        log.debug("Start handle request of ECOMP getUsers");

        try {
            UserBusinessLogic userBusinessLogic = getUserBusinessLogic();

            final String modifierAttId = "jh0003";

            Either<List<User>, ResponseFormat> getUsersResponse = userBusinessLogic.getUsersList(modifierAttId, null, null);

            if (getUsersResponse.isRight()) {
                log.debug("Failed to get Users");
                BeEcompErrorManager.getInstance().logInvalidInputError("GetUsers", "Failed to get users", ErrorSeverity.INFO);
                throw new PortalAPIException("Failed to get Users" + getUsersResponse.right());
            } else {
                if (getUsersResponse.left().value() != null) {
                    List<EcompUser> ecompUserList = new LinkedList<>();
                    for (User user : getUsersResponse.left().value()) {
                        Either<EcompUser, String> ecompUser = EcompUserConverter.convertUserToEcompUser(user);
                        if (ecompUser.isRight()) {
                            log.debug("Failed to convert User {}", user);
                            BeEcompErrorManager.getInstance().logInvalidInputError("GetUsers", "Failed to convert User" + user.toString(), ErrorSeverity.WARNING);
                            continue;
                        } else if (ecompUser.left().value() == null) {
                            log.debug("Failed to convert User {}", user);
                            BeEcompErrorManager.getInstance().logInvalidInputError("GetUsers", "Failed to convert User" + user.toString(), ErrorSeverity.WARNING);
                            continue;
                        }
                        ecompUserList.add(ecompUser.left().value());
                    }
                    return ecompUserList;
                } else {
                    log.debug("Failed to get users");
                    BeEcompErrorManager.getInstance().logInvalidInputError("GetUsers", "Failed to get users", ErrorSeverity.INFO);
                    throw new PortalAPIException("Failed to get Users" + getUsersResponse.right());
                }
            }
        } catch (Exception e) {
            log.debug("Failed to get users");
            BeEcompErrorManager.getInstance().logInvalidInputError("GetUsers", "Failed to get users", ErrorSeverity.INFO);
            throw new PortalAPIException("Failed to get Users", e);
        }
    }

    @Override
    public List<EcompRole> getAvailableRoles() throws PortalAPIException {
        log.debug("Start handle request of ECOMP getAvailableRoles");
        try {
            List<EcompRole> ecompRolesList = new LinkedList<>();
            for (Role role : Role.values()) {
                EcompRole ecompRole = new EcompRole();
                ecompRole.setId(new Long(role.ordinal()));
                ecompRole.setName(role.name());
                ecompRolesList.add(ecompRole);
            }

            if (ecompRolesList.isEmpty()) {
                throw new PortalAPIException();
            }

            return ecompRolesList;
        } catch (Exception e) {
            log.debug("Failed to fetch roles");
            BeEcompErrorManager.getInstance().logInvalidInputError("GetAvailableRoles", "Failed to fetch roles", ErrorSeverity.INFO);
            throw new PortalAPIException("Roles fetching failed", e);
        }

    }

    /**
     * The user role updated through this method only
     */
    @Override
    public void pushUserRole(String loginId, List<EcompRole> roles) throws PortalAPIException {
        log.debug("Start handle request of ECOMP pushUserRole");

        final String modifierAttId = "jh0003";
        User modifier = new User();
        modifier.setUserId(modifierAttId);
        log.debug("modifier id is {}", modifierAttId);

        UserBusinessLogic userBusinessLogic = getUserBusinessLogic();

        String updatedRole = null;

        if (roles == null) {
            throw new PortalAPIException("Error: Recieved null for roles");
        } else if (roles.iterator().hasNext()) {
            EcompRole ecompRole = roles.iterator().next();
            updatedRole = EcompRoleConverter.convertEcompRoleToRole(ecompRole);
            log.debug("pushing role: {} to user: {}", updatedRole, loginId);
            Either<User, ResponseFormat> updateUserRoleResponse = userBusinessLogic.updateUserRole(modifier, loginId, updatedRole);
            if (updateUserRoleResponse.isRight()) {
                log.debug("Error: Failed to update role");
                BeEcompErrorManager.getInstance().logInvalidInputError("PushUserRole", "Failed to update role", ErrorSeverity.INFO);
                throw new PortalAPIException("Failed to update role" + updateUserRoleResponse.right().value().toString());
            }
        } else {
            log.debug("Error: No roles in List");
            BeEcompErrorManager.getInstance().logInvalidInputError("PushUserRole", "Failed to fetch roles", ErrorSeverity.INFO);
            //in this cases we want to deactivate the user
            Either<User, ResponseFormat> deActivateUserResponse = userBusinessLogic.deActivateUser(modifier, loginId);
            if (deActivateUserResponse.isRight()) {
                log.debug("Error: Failed to deactivate user {}",loginId);
                BeEcompErrorManager.getInstance().logInvalidInputError("PushUserRole", "Failed to deactivate user", ErrorSeverity.INFO);
                throw new PortalAPIException(deActivateUserResponse.right().value().getFormattedMessage());
            }
        }
    }

    @Override
    public List<EcompRole> getUserRoles(String loginId) throws PortalAPIException {
        try {
            log.debug("Start handle request of ECOMP getUserRoles");

            UserBusinessLogic userBusinessLogic = getUserBusinessLogic();

            Either<User, ActionStatus> getUserResponse = userBusinessLogic.getUser(loginId, false);

            if (getUserResponse.isRight()) {
                log.debug("Error: Failed to get Roles");
                BeEcompErrorManager.getInstance().logInvalidInputError("GetUserRoles", "Failed to get Roles", ErrorSeverity.INFO);
                throw new PortalAPIException("Failed to get Roles" + getUserResponse.right());
            } else {
                if (getUserResponse.left().value() != null) {
                    Either<EcompUser, String> ecompUser = EcompUserConverter.convertUserToEcompUser(getUserResponse.left().value());
                    if (ecompUser.isRight()) {
                        log.debug("Error: Failed to convert Roles");
                        BeEcompErrorManager.getInstance().logInvalidInputError("GetUserRoles", "Failed to convert Roles", ErrorSeverity.ERROR);
                        throw new PortalAPIException(ecompUser.right().value());
                    } else if (ecompUser.left().value() == null) {
                        log.debug("Error: Failed to convert Roles");
                        BeEcompErrorManager.getInstance().logInvalidInputError("GetUserRoles", "Failed to convert Roles", ErrorSeverity.ERROR);
                        throw new PortalAPIException();
                    }

                    return new LinkedList<>(ecompUser.left().value().getRoles());
                } else {
                    log.debug("Error: Failed to get Roles");
                    BeEcompErrorManager.getInstance().logInvalidInputError("GetUserRoles", "Failed to get Roles", ErrorSeverity.ERROR);
                    throw new PortalAPIException("Failed to get Roles" + getUserResponse.right());
                }
            }
        } catch (Exception e) {
            log.debug("Error: Failed to get Roles");
            BeEcompErrorManager.getInstance().logInvalidInputError("GetUserRoles", "Failed to get Roles", ErrorSeverity.INFO);
            throw new PortalAPIException("Failed to get Roles", e);
        }
    }

    @Override
    public boolean isAppAuthenticated(HttpServletRequest request) throws PortalAPIException {
        // TODO Validation should be changed completely
        final String USERNAME = request.getHeader("username");
        final String PASSWORD = request.getHeader("password");

        if (USERNAME != null && PASSWORD != null) {
            if (!USERNAME.equals("") && !PASSWORD.equals("")) {
                log.debug("User authenticated - Username: ,Password: {}", USERNAME, PASSWORD);
                return true;
            }
        }

        log.debug("User authentication failed");
        return false;
    }

    private UserBusinessLogic getUserBusinessLogic() {
        ApplicationContext ctx = ContextLoader.getCurrentWebApplicationContext();
        UserBusinessLogic userBusinessLogic = (UserBusinessLogic) ctx.getBean("userBusinessLogic");
        return userBusinessLogic;
    }

    /**
     * Gets and returns the userId for the logged-in user based on the request.
     * If any error occurs, the method should throw PortalApiException with an
     * appropriate message. The FW library will catch the exception and send an
     * appropriate response to Portal.
     * 
      * As a guideline for AT&T specific implementation, see the sample apps
     * repository
     * https://codecloud.web.att.com/projects/EP_SDK/repos/ecomp_portal_sdk_third_party/
     * for a sample implementation for on-boarded applications using EPSDK-FW.
     * However, the app can always choose to have a custom implementation of
     * this method. For Open-source implementation, for example, the app will
     * have a totally different implementation for this method.
     * 
      * @param request
     * @return true if the request contains appropriate credentials, else false.
     * @throws PortalAPIException
     *             If an unexpected error occurs while processing the request.
     */
    @Override
    public String getUserId(HttpServletRequest request) throws PortalAPIException {
        return request.getHeader(Constants.USER_ID_HEADER);
    }
}