Added check for parameter, to make sure only valid can pass

[pizzaservice-war.git] / src / java / org / mxchange / pizzaapplication / beans / user / PizzaAdminUserWebSessionBean.java

/*
 * Copyright (C) 2016 Roland Haeder
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.mxchange.pizzaapplication.beans.user;

import java.util.Collections;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Objects;
import javax.annotation.PostConstruct;
import javax.enterprise.context.SessionScoped;
import javax.enterprise.event.Event;
import javax.enterprise.inject.Any;
import javax.faces.view.facelets.FaceletException;
import javax.inject.Inject;
import javax.inject.Named;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import org.mxchange.jcontacts.contact.Contact;
import org.mxchange.jcontacts.contact.UserContact;
import org.mxchange.jcontacts.contact.gender.Gender;
import org.mxchange.jcountry.data.Country;
import org.mxchange.jphone.phonenumbers.cellphone.CellphoneNumber;
import org.mxchange.jphone.phonenumbers.cellphone.DialableCellphoneNumber;
import org.mxchange.jphone.phonenumbers.fax.DialableFaxNumber;
import org.mxchange.jphone.phonenumbers.fax.FaxNumber;
import org.mxchange.jphone.phonenumbers.landline.DialableLandLineNumber;
import org.mxchange.jphone.phonenumbers.landline.LandLineNumber;
import org.mxchange.jphone.phonenumbers.mobileprovider.MobileProvider;
import org.mxchange.jusercore.events.user.AdminAddedUserEvent;
import org.mxchange.jusercore.events.user.AdminUserAddedEvent;
import org.mxchange.jusercore.exceptions.EmailAddressAlreadyRegisteredException;
import org.mxchange.jusercore.exceptions.UserNameAlreadyRegisteredException;
import org.mxchange.jusercore.exceptions.UserNotFoundException;
import org.mxchange.jusercore.exceptions.UserPasswordMismatchException;
import org.mxchange.jusercore.model.user.LoginUser;
import org.mxchange.jusercore.model.user.User;
import org.mxchange.jusercore.model.user.UserSessionBeanRemote;
import org.mxchange.jusercore.model.user.UserUtils;
import org.mxchange.jusercore.model.user.profilemodes.ProfileMode;
import org.mxchange.jusercore.model.user.status.UserAccountStatus;

/**
 * A user bean (controller)
 * <p>
 * @author Roland Haeder<roland@mxchange.org>
 */
@Named ("adminUserController")
@SessionScoped
public class PizzaAdminUserWebSessionBean implements PizzaAdminUserWebSessionController {

        /**
         * Serial number
         */
        private static final long serialVersionUID = 542_145_347_916L;

        /**
         * An event fired when the administrator has added a new user
         */
        @Inject
        @Any
        private Event<AdminAddedUserEvent> addedUserEvent;

        /**
         * Birth day
         */
        private Date birthday;

        /**
         * Cellphone number's carrier
         */
        private MobileProvider cellphoneCarrier;

        /**
         * Cellphone number
         */
        private Long cellphoneNumber;

        /**
         * City
         */
        private String city;

        /**
         * Optional comments
         */
        private String comment;

        /**
         * Country instance
         */
        private Country country;

        /**
         * Email address
         */
        private String emailAddress;

        /**
         * Family name
         */
        private String familyName;

        /**
         * Fax number's area code
         */
        private Integer faxAreaCode;

        /**
         * Country instance for fax number
         */
        private Country faxCountry;

        /**
         * Fax number
         */
        private Long faxNumber;

        /**
         * First name
         */
        private String firstName;

        /**
         * Gender instance
         */
        private Gender gender;

        /**
         * House number
         */
        private Short houseNumber;

        /**
         * Phone number area code
         */
        private Integer phoneAreaCode;

        /**
         * Country instance for phone number
         */
        private Country phoneCountry;

        /**
         * Phone number
         */
        private Long phoneNumber;

        /**
         * Street
         */
        private String street;

        /**
         * Remote user bean
         */
        private final UserSessionBeanRemote userBean;

        /**
         * Regular user controller
         */
        @Inject
        private PizzaUserWebSessionController userController;

        /**
         * A list of all user profiles
         */
        private List<User> userList;

        /**
         * User name
         */
        private String userName;

        /**
         * User password (unencrypted from web form)
         */
        private String userPassword;

        /**
         * User password repeated (unencrypted from web form)
         */
        private String userPasswordRepeat;

        /**
         * ZIP code
         */
        private Integer zipCode;

        /**
         * Default constructor
         */
        public PizzaAdminUserWebSessionBean () {
                // Set gender to UNKNOWN
                this.gender = Gender.UNKNOWN;

                // Try it
                try {
                        // Get initial context
                        Context context = new InitialContext();

                        // Try to lookup
                        this.userBean = (UserSessionBeanRemote) context.lookup("java:global/PizzaService-ejb/user!org.mxchange.jusercore.model.user.UserSessionBeanRemote"); //NOI18N
                } catch (final NamingException e) {
                        // Throw again
                        throw new FaceletException(e);
                }
        }

        @Override
        public void addUser () {
                // Create new user instance
                User localUser = new LoginUser();

                // Set user name, CONFIRMED and INVISIBLE
                localUser.setUserName(this.getUserName());
                localUser.setUserAccountStatus(UserAccountStatus.CONFIRMED);
                localUser.setUserProfileMode(ProfileMode.INVISIBLE);

                // Generate phone number
                DialableLandLineNumber phone = new LandLineNumber(this.getPhoneCountry(), this.getPhoneAreaCode(), this.getPhoneNumber());
                DialableCellphoneNumber cellphone = new CellphoneNumber(this.getCellphoneCarrier(), this.getCellphoneNumber());
                DialableFaxNumber fax = new FaxNumber(this.getFaxCountry(), this.getFaxAreaCode(), this.getFaxNumber());

                // Create new contact
                Contact contact = new UserContact(this.getGender(), this.getFirstName(), this.getFamilyName());
                contact.setContactStreet(this.getStreet());
                contact.setContactHouseNumber(this.getHouseNumber());
                contact.setContactZipCode(this.getZipCode());
                contact.setContactCity(this.getCity());
                contact.setContactCountry(this.getCountry());
                contact.setContactEmailAddress(this.getEmailAddress());

                // Don't set null or wrong references
                if ((phone instanceof DialableLandLineNumber) && (phone.getPhoneCountry() instanceof Country) && (this.getPhoneAreaCode() != null) && (this.getPhoneNumber() != null) && (this.getPhoneAreaCode() > 0) && (this.getPhoneNumber() > 0)) {
                        // Now the number must be given
                        if (phone.getPhoneAreaCode() == null) {
                                // Is null
                                throw new NullPointerException("phone.phoneAreaCode is null"); //NOI18N
                        } else if (phone.getPhoneAreaCode() < 1) {
                                // Abort here
                                throw new IllegalArgumentException("phone.phoneAreaCode is zero or below."); //NOI18N
                        } else if (phone.getPhoneNumber() == null) {
                                // Is null
                                throw new NullPointerException("phone.phoneNumber is null"); //NOI18N
                        } else if (phone.getPhoneNumber() < 1) {
                                // Abort here
                                throw new IllegalArgumentException("phone.phoneNumber is zero or below."); //NOI18N
                        }

                        // Set phone number
                        contact.setContactLandLineNumber(phone);
                }

                // Don't set null or wrong references
                if ((fax instanceof DialableFaxNumber) && (fax.getPhoneCountry() instanceof Country) && (this.getFaxAreaCode() != null) && (this.getFaxNumber() != null) && (this.getFaxAreaCode() > 0) && (this.getFaxNumber() > 0)) {
                        // Now the number must be given
                        if (fax.getPhoneAreaCode() == null) {
                                // Is null
                                throw new NullPointerException("fax.phoneAreaCode is null"); //NOI18N
                        } else if (fax.getPhoneAreaCode() < 1) {
                                // Abort here
                                throw new IllegalArgumentException("fax.phoneAreaCode is zero or below."); //NOI18N
                        } else if (fax.getPhoneNumber() == null) {
                                // Is null
                                throw new NullPointerException("fax.phoneNumber is null"); //NOI18N
                        } else if (fax.getPhoneNumber() < 1) {
                                // Abort here
                                throw new IllegalArgumentException("fax.phoneNumber is zero or below."); //NOI18N
                        }

                        // Set fax number
                        contact.setContactFaxNumber(fax);
                }

                // Is the provider set?
                if ((cellphone instanceof DialableCellphoneNumber) && (this.getCellphoneCarrier() instanceof MobileProvider) && (this.getCellphoneNumber() != null) && (this.getCellphoneNumber() > 0)) {
                        // Is the number set?
                        if (cellphone.getPhoneNumber() == null) {
                                // Is null
                                throw new NullPointerException("cellphone.phoneNumber is null"); //NOI18N
                        } else if (cellphone.getPhoneNumber() < 1) {
                                // Abort here
                                throw new IllegalArgumentException("cellphone.phoneNumber is zero or below."); //NOI18N
                        }

                        // Set cellphone number
                        contact.setContactCellphoneNumber(cellphone);
                }

                contact.setContactBirthday(this.getBirthday());
                contact.setContactComment(this.getComment());

                // Set contact in user
                localUser.setUserContact(contact);

                // Init variable for password
                String password = null;

                // Is the user name or email address used already?
                // @TODO Add password length check
                if (this.userController.isUserNameRegistered(localUser)) {
                        // User name is already used
                        throw new FaceletException(new UserNameAlreadyRegisteredException(localUser));
                } else if (this.userController.isEmailAddressRegistered(localUser)) {
                        // Email address is already used
                        throw new FaceletException(new EmailAddressAlreadyRegisteredException(localUser));
                } else if ((this.getUserPassword() == null && (this.getUserPasswordRepeat() == null)) || ((this.getUserPassword().isEmpty()) && (this.getUserPasswordRepeat().isEmpty()))) {
                        // Empty password entered, then generate one
                        password = UserUtils.createRandomPassword(PizzaUserWebSessionController.MINIMUM_PASSWORD_LENGTH);
                } else if (!this.isSamePasswordEntered()) {
                        // Both passwords don't match
                        throw new FaceletException(new UserPasswordMismatchException(localUser));
                } else {
                        // Both match, so get it from this bean
                        password = this.getUserPassword();
                }

                // The password should not be null and at least 5 characters long
                assert (password != null) : "password is null"; //NOI18N
                assert (password.length() >= PizzaUserWebSessionController.MINIMUM_PASSWORD_LENGTH) : "Password is not long enough."; //NOI18N

                // Encrypt password and set it
                localUser.setUserEncryptedPassword(UserUtils.encryptPassword(password));

                // Init updated user instance
                User updatedUser = null;

                try {
                        // Now, that all is set, call EJB
                        updatedUser = this.userBean.addUser(localUser);
                } catch (final UserNameAlreadyRegisteredException | EmailAddressAlreadyRegisteredException ex) {
                        // Throw again
                        throw new FaceletException(ex);
                }

                // Fire event
                this.addedUserEvent.fire(new AdminUserAddedEvent(updatedUser));

                // Add user to local list
                this.userList.add(updatedUser);

                // Clear all
                this.clear();
        }

        @Override
        public List<User> allUsers () {
                // Return it
                return Collections.unmodifiableList(this.userList);
        }

        @Override
        public Date getBirthday () {
                return this.birthday;
        }

        @Override
        public void setBirthday (final Date birthday) {
                this.birthday = birthday;
        }

        @Override
        public MobileProvider getCellphoneCarrier () {
                return this.cellphoneCarrier;
        }

        @Override
        public void setCellphoneCarrier (final MobileProvider cellphoneCarrier) {
                this.cellphoneCarrier = cellphoneCarrier;
        }

        @Override
        public Long getCellphoneNumber () {
                return this.cellphoneNumber;
        }

        @Override
        public void setCellphoneNumber (Long cellphoneNumber) {
                this.cellphoneNumber = cellphoneNumber;
        }

        @Override
        public String getCity () {
                return this.city;
        }

        @Override
        public void setCity (final String city) {
                this.city = city;
        }

        @Override
        public String getComment () {
                return this.comment;
        }

        @Override
        public void setComment (final String comment) {
                this.comment = comment;
        }

        @Override
        public Country getCountry () {
                return this.country;
        }

        @Override
        public void setCountry (final Country country) {
                this.country = country;
        }

        @Override
        public String getEmailAddress () {
                return this.emailAddress;
        }

        @Override
        public void setEmailAddress (final String emailAddress) {
                this.emailAddress = emailAddress;
        }

        @Override
        public String getFamilyName () {
                return this.familyName;
        }

        @Override
        public void setFamilyName (final String familyName) {
                this.familyName = familyName;
        }

        @Override
        public Integer getFaxAreaCode () {
                return this.faxAreaCode;
        }

        @Override
        public void setFaxAreaCode (final Integer faxAreaCode) {
                this.faxAreaCode = faxAreaCode;
        }

        @Override
        public Country getFaxCountry () {
                return this.faxCountry;
        }

        @Override
        public void setFaxCountry (final Country faxCountry) {
                this.faxCountry = faxCountry;
        }

        @Override
        public Long getFaxNumber () {
                return this.faxNumber;
        }

        @Override
        public void setFaxNumber (final Long faxNumber) {
                this.faxNumber = faxNumber;
        }

        @Override
        public String getFirstName () {
                return this.firstName;
        }

        @Override
        public void setFirstName (final String firstName) {
                this.firstName = firstName;
        }

        @Override
        public Gender getGender () {
                return this.gender;
        }

        @Override
        public void setGender (final Gender gender) {
                this.gender = gender;
        }

        @Override
        public Short getHouseNumber () {
                return this.houseNumber;
        }

        @Override
        public void setHouseNumber (final Short houseNumber) {
                this.houseNumber = houseNumber;
        }

        @Override
        public Integer getPhoneAreaCode () {
                return this.phoneAreaCode;
        }

        @Override
        public void setPhoneAreaCode (final Integer phoneAreaCode) {
                this.phoneAreaCode = phoneAreaCode;
        }

        @Override
        public Country getPhoneCountry () {
                return this.phoneCountry;
        }

        @Override
        public void setPhoneCountry (final Country phoneCountry) {
                this.phoneCountry = phoneCountry;
        }

        @Override
        public Long getPhoneNumber () {
                return this.phoneNumber;
        }

        @Override
        public void setPhoneNumber (final Long phoneNumber) {
                this.phoneNumber = phoneNumber;
        }

        @Override
        public String getStreet () {
                return this.street;
        }

        @Override
        public void setStreet (final String street) {
                this.street = street;
        }

        @Override
        public String getUserName () {
                return this.userName;
        }

        @Override
        public void setUserName (final String userName) {
                this.userName = userName;
        }

        @Override
        public String getUserPassword () {
                return this.userPassword;
        }

        @Override
        public void setUserPassword (final String userPassword) {
                this.userPassword = userPassword;
        }

        @Override
        public String getUserPasswordRepeat () {
                return this.userPasswordRepeat;
        }

        @Override
        public void setUserPasswordRepeat (final String userPasswordRepeat) {
                this.userPasswordRepeat = userPasswordRepeat;
        }

        @Override
        public Integer getZipCode () {
                return this.zipCode;
        }

        @Override
        public void setZipCode (final Integer zipCode) {
                this.zipCode = zipCode;
        }

        @Override
        public boolean hasUsers () {
                return (!this.allUsers().isEmpty());
        }

        /**
         * Post-initialization of this class
         */
        @PostConstruct
        public void init () {
                // Initialize user list
                this.userList = this.userBean.allUsers();
        }

        @Override
        public User lookupUserById (final Long userId) throws UserNotFoundException {
                if (null == userId) {
                        // Throw NPE
                        throw new NullPointerException("userId is null"); //NOI18N
                } else if (userId < 1) {
                        // Not valid
                        throw new IllegalArgumentException(MessageFormat.format("userId={0} is not valid.", userId)); //NOI18N
                }

                // Init variable
                User user = null;

                // Try to lookup it in visible user list
                for (final Iterator<User> iterator = this.userList.iterator(); iterator.hasNext();) {
                        // Get next user
                        User next = iterator.next();

                        // Is the user id found?
                        if (Objects.equals(next.getUserId(), userId)) {
                                // Copy to other variable
                                user = next;
                                break;
                        }
                }

                // Is it still null?
                if (null == user) {
                        // Not visible for the current user
                        throw new UserNotFoundException(userId);
                }

                // Return it
                return user;
        }

        /**
         * Clears this bean
         */
        private void clear () {
                // Clear all
                this.setBirthday(null);
                this.setCellphoneCarrier(null);
                this.setCellphoneNumber(null);
                this.setCity(null);
                this.setComment(null);
                this.setCountry(null);
                this.setEmailAddress(null);
                this.setFamilyName(null);
                this.setFaxAreaCode(null);
                this.setFaxCountry(null);
                this.setFaxNumber(null);
                this.setFirstName(null);
                this.setGender(null);
                this.setHouseNumber(null);
                this.setPhoneAreaCode(null);
                this.setPhoneCountry(null);
                this.setPhoneNumber(null);
                this.setStreet(null);
                this.setUserName(null);
                this.setUserPassword(null);
                this.setUserPasswordRepeat(null);
                this.setZipCode(null);
        }

        /**
         * Checks if same password is entered and that they are not empty.
         * <p>
         * @return Whether the same password was entered
         */
        private boolean isSamePasswordEntered () {
                return ((!this.getUserPassword().isEmpty()) && (Objects.equals(this.getUserPassword(), this.getUserPasswordRepeat())));
        }

}