org.devgateway.eudevfin.ui.common.validators.Field4CrsIdCodeValidator.java Source code

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Here is the source code for org.devgateway.eudevfin.ui.common.validators.Field4CrsIdCodeValidator.java

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/*******************************************************************************
 * Copyright (c) 2014 Development Gateway.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 *******************************************************************************/

/**
 *
 */
package org.devgateway.eudevfin.ui.common.validators;

import org.apache.wicket.behavior.Behavior;
import org.apache.wicket.validation.IValidatable;
import org.apache.wicket.validation.IValidator;
import org.apache.wicket.validation.ValidationError;
import org.devgateway.eudevfin.financial.FinancialTransaction;
import org.devgateway.eudevfin.financial.service.FinancialTransactionService;
import org.devgateway.eudevfin.metadata.common.domain.Category;
import org.devgateway.eudevfin.metadata.common.util.CategoryConstants;
import org.devgateway.eudevfin.ui.common.components.DropDownField;

import java.util.List;

/**
 * @author mihai
 * 
 *         Code validator for CRS Id if nature of submission is 1 or 8 we need
 *         to error check if there are existing CRS IDs and donor id in the
 *         database
 * @see https://jira.dgfoundation.org/browse/ODAEU-180
 */
public class Field4CrsIdCodeValidator extends Behavior implements IValidator<Integer> {

    private static final long serialVersionUID = 7283770086223927921L;
    private transient FinancialTransactionService financialTransactionService;
    private DropDownField<Category> natureOfSubmission;
    private Long transactionId;

    public Field4CrsIdCodeValidator(FinancialTransactionService financialTransactionService, Long transactionId,
            DropDownField<Category> natureOfSubmission) {
        this.financialTransactionService = financialTransactionService;
        this.transactionId = transactionId;
        this.natureOfSubmission = natureOfSubmission;
    }

    @Override
    public void validate(IValidatable<Integer> validatable) {
        // if we already have a crsID in the database but that one corresponds to this transaction (transactionId)
        // then we can validate the field as having an unique crsId
        Boolean uniqueCrsID = false;
        List<FinancialTransaction> transactionsByCrsId = financialTransactionService
                .findByCrsIdentificationNumber(validatable.getValue().toString());
        if (transactionsByCrsId.isEmpty()) {
            uniqueCrsID = true;
        } else {
            if (transactionsByCrsId.size() == 1 && transactionsByCrsId.get(0) != null
                    && transactionsByCrsId.get(0).getId().equals(transactionId)) {
                uniqueCrsID = true;
            }
        }

        if (natureOfSubmission.getField().getModelObject() != null && validatable != null
                && validatable.getValue() != null
                && (CategoryConstants.NatureOfSubmission.NEW_ACTIVITY_REPORTED
                        .equals(natureOfSubmission.getField().getModelObject().getCode())
                        || CategoryConstants.NatureOfSubmission.COMMITMENT_EQ_DISBURSEMENT
                                .equals(natureOfSubmission.getField().getModelObject().getCode()))
                && !uniqueCrsID) {
            ValidationError error = new ValidationError(this);
            validatable.error(decorate(error, validatable));
        }

    }

    /**
     * Allows subclasses to decorate reported errors
     * 
     * @param error
     * @param validatable
     * @return decorated error
     */
    protected ValidationError decorate(ValidationError error, IValidatable<Integer> validatable) {
        return error;
    }

}