com.sfs.whichdoctor.search.sql.CreditSqlHandler.java Source code

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/*******************************************************************************
 * Copyright (c) 2009 David Harrison.
 * 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-3.0.html
 *
 * Contributors:
 *     David Harrison - initial API and implementation
 ******************************************************************************/
package com.sfs.whichdoctor.search.sql;

import com.sfs.DataFilter;
import com.sfs.Formatter;
import com.sfs.beans.BuilderBean;
import com.sfs.beans.UserBean;
import com.sfs.whichdoctor.beans.CreditBean;
import com.sfs.whichdoctor.beans.SearchBean;
import com.sfs.whichdoctor.beans.TagBean;
import com.sfs.whichdoctor.dao.CreditDAO;
import com.sfs.whichdoctor.search.TagSearchDAO;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import javax.annotation.Resource;

import org.apache.commons.lang.StringUtils;
import org.apache.log4j.Logger;

/**
 * The Class CreditSqlHandler.
 *
 * @author David Harrison
 */
public class CreditSqlHandler extends SqlHandlerBase {

    /** The data logger. */
    private static Logger dataLogger = Logger.getLogger(CreditSqlHandler.class);

    /** The Constant LIMIT. */
    private static final int LIMIT = 50;

    /** The tag search dao. */
    @Resource
    private TagSearchDAO tagSearchDAO;

    /** The credit dao. */
    @Resource
    private CreditDAO creditDAO;

    /**
     * Instantiates a new credit sql handler.
     */
    public CreditSqlHandler() {
        super();
        this.setType("credit");
        this.setIdentifierColumn("credit.GUID");
        this.setDefaultOrder("CreditNo");
    }

    /**
     * Initiate a SearchBean for the search type.
     *
     * @param user the user
     *
     * @return configured SearchBean
     */
    public final SearchBean initiate(final UserBean user) {

        SearchBean search = new SearchBean();

        CreditBean searchCriteria = new CreditBean();
        CreditBean searchConstraints = new CreditBean();

        searchCriteria.setCancelled(false);
        searchConstraints.setCancelled(true);
        searchCriteria.setGSTRate(-1);

        /**
         * If user is not an Administrator or in the Finances group then they
         * shouldn't be able to view secured credits.
         */
        if (user != null && !user.isFinancialUser()) {
            searchCriteria.setSecurity("Standard");
        }

        search.setRequestedPage(1);
        search.setLimit(LIMIT);
        search.setOrderColumn("credit.CreditNo");
        search.setOrderColumn2("");
        search.setOrderColumn3("");
        search.setOrderAscending(true);
        search.setType("credit");
        search.setSearchCriteria(searchCriteria);
        search.setSearchConstraints(searchConstraints);

        return search;
    }

    /**
     * Gets the group by.
     *
     * @return the group by
     */
    public final String getGroupBy() {
        return "";
    }

    /**
     * Gets the count sql.
     *
     * @return the count sql
     */
    public final String getCountSql() {
        return "SELECT count(DISTINCT credit.GUID) " + this.getSQL().getValue("credit/search");
    }

    /**
     * Gets the select sql.
     *
     * @return the select sql
     */
    public final String getSelectSql() {
        return "SELECT DISTINCT credit.GUID " + getSQL().getValue("credit/search");
    }

    /**
     * Load the identified objects and return results as a Collection of
     * Objects.
     *
     * @param uniqueIds the unique ids
     * @param loadDetails the load details
     *
     * @return a Collection of Objects
     */
    public final Collection<Object> load(final Collection<Integer> uniqueIds, final BuilderBean loadDetails) {

        Collection<Object> results = new ArrayList<Object>();

        if (uniqueIds != null) {
            for (Integer uniqueId : uniqueIds) {
                try {
                    CreditBean credit = this.creditDAO.loadGUID(uniqueId, loadDetails);
                    results.add(credit);
                } catch (Exception e) {
                    dataLogger.error("Error loading credit (" + uniqueId + ") for search: " + e.getMessage());
                }
            }
        }
        return results;
    }

    /**
     * Construct the SQL string, description and parameters.
     *
     * @param objCriteria Object containing search criteria values
     * @param objConstraints Object containing search constraint values
     *
     * @return Map containing a String[] { sql, description } =>
     *         Collection< Object > parameters
     *
     * @throws IllegalArgumentException the illegal argument exception
     */
    public final Map<String[], Collection<Object>> construct(final Object objCriteria, final Object objConstraints)
            throws IllegalArgumentException {

        CreditBean searchCriteria = null;
        CreditBean searchConstraints = null;

        if (objCriteria instanceof CreditBean) {
            searchCriteria = (CreditBean) objCriteria;
        }
        if (objConstraints instanceof CreditBean) {
            searchConstraints = (CreditBean) objConstraints;
        }

        if (searchCriteria == null) {
            throw new IllegalArgumentException("The search criteria must " + "be a valid CreditBean");
        }
        if (searchConstraints == null) {
            throw new IllegalArgumentException("The search constraints must " + "be a valid CreditBean");
        }

        StringBuffer sqlWHERE = new StringBuffer();
        StringBuffer description = new StringBuffer();
        Collection<Object> parameters = new ArrayList<Object>();

        if (searchCriteria.getTags() != null) {
            try {
                for (TagBean tag : searchCriteria.getTags()) {
                    Map<String[], Collection<Object>> results = this.tagSearchDAO.construct(tag, new TagBean());

                    for (String[] index : results.keySet()) {
                        String tagWHERE = index[0];
                        String tagDescription = index[1];
                        Collection<Object> tagParameters = results.get(index);

                        if (tagWHERE.compareTo("") != 0) {
                            /* A WHERE condition is defined */
                            sqlWHERE.append(
                                    " " + this.getSQL().getValue("credit/searchTags") + " WHERE " + tagWHERE + ")");
                            /* Add to the description and process the arrays */
                            description.append(tagDescription);
                            if (tagParameters != null) {
                                parameters.addAll(tagParameters);
                            }
                        }
                    }
                }
            } catch (Exception e) {
                dataLogger.error("Error setting tag search options: " + e.getMessage());
            }
        }

        if (searchCriteria.getBasicSearch() != null) {
            if (searchCriteria.getBasicSearch().compareTo("") != 0) {
                String searchString = searchCriteria.getBasicSearch().trim();

                int basicSearch = 0;
                try {
                    basicSearch = Integer.parseInt(searchString);
                } catch (NumberFormatException nfe) {
                    dataLogger.debug("Error parsing basic search parameter: " + nfe.getMessage());
                }
                if (basicSearch == 0) {
                    // If the search string has : in the first ten
                    // characters the financial abbreviation is probably
                    // included - strip it out for search purposes
                    if (searchString.indexOf(": ") > 3 && searchString.indexOf(": ") < 10) {
                        searchString = searchString.substring(3, searchString.length());
                    }

                    String field = "%" + searchString + "%";
                    sqlWHERE.append(" AND (concat(credit.CreditNo, ': '," + " credit.Description) LIKE ?)");
                    description.append(" and a credit description like '" + searchString + "'");
                    parameters.add(field);
                } else {
                    sqlWHERE.append(" AND (credit.CreditNo LIKE ?)");
                    description.append(" and a credit number of '" + searchString + "'");
                    parameters.add("%" + searchString);
                }
            }
        }

        if (searchCriteria.getNumber() != null) {
            boolean blSearchConstraints = false;
            if (searchCriteria.getNumber().compareTo("") != 0) {
                if (searchConstraints.getNumber() != null) {
                    if (searchConstraints.getNumber().compareTo("") != 0) {
                        blSearchConstraints = true;
                    }
                }

                if (blSearchConstraints) {
                    if (searchConstraints.getNumber().compareTo("-") == 0) {
                        // Less than Credit specified
                        String field = searchCriteria.getNumber();
                        sqlWHERE.append(" AND credit.CreditNo <= ?");
                        description.append(" and a credit number less than '" + field + "'");
                        parameters.add(field);
                    } else if (searchConstraints.getNumber().compareTo("+") == 0) {
                        // Greater then Credit specified
                        String field = searchCriteria.getNumber();
                        sqlWHERE.append(" AND credit.CreditNo >= ?");
                        description.append(" and a credit number greater than '" + field + "'");
                        parameters.add(field);
                    } else {
                        // Range between a and b - find whether greater than or
                        // less than
                        int intA = 0;
                        int intB = 0;
                        try {
                            intA = Integer.parseInt(searchCriteria.getNumber());
                        } catch (NumberFormatException nfe) {
                            dataLogger.debug("Error parsing CreditNo: " + nfe.getMessage());
                        }
                        try {
                            intB = Integer.parseInt(searchConstraints.getNumber());
                        } catch (NumberFormatException nfe) {
                            dataLogger.debug("Error parsing CreditNo: " + nfe.getMessage());
                        }
                        if (intA == intB) {
                            // criteria A and B are the same
                            sqlWHERE.append(" AND credit.CreditNo LIKE ?");
                            description.append(" and a credit number of '" + searchCriteria.getNumber() + "'");
                            parameters.add("%" + searchCriteria.getNumber());
                        }
                        if (intA < intB) {
                            // criteria A is less than B
                            sqlWHERE.append(" AND credit.CreditNo BETWEEN ? AND ?");
                            description.append(" and a credit number between '" + searchCriteria.getNumber()
                                    + "' and '" + searchConstraints.getNumber() + "'");
                            parameters.add(searchCriteria.getNumber());
                            parameters.add(searchConstraints.getNumber());
                        }
                        if (intA > intB) {
                            // Criteria A is greater than B
                            sqlWHERE.append(" AND credit.CreditNo BETWEEN ? AND ?");
                            description.append(" and a credit number between '" + searchConstraints.getNumber()
                                    + "' and '" + searchCriteria.getNumber() + "'");
                            parameters.add(searchConstraints.getNumber());
                            parameters.add(searchCriteria.getNumber());
                        }
                    }
                } else {
                    sqlWHERE.append(" AND credit.CreditNo LIKE ?");
                    description.append(" and a credit number of '" + searchCriteria.getNumber() + "'");
                    parameters.add("%" + searchCriteria.getNumber());
                }
            }
        }

        if (searchCriteria.getGUIDList() != null) {
            final StringBuffer guidWHERE = new StringBuffer();

            for (String guid : searchCriteria.getGUIDList()) {
                if (StringUtils.isNotBlank(guid)) {
                    guidWHERE.append(" OR credit.GUID = ?");
                    parameters.add(guid);
                }
            }
            if (guidWHERE.length() > 0) {
                // Append the guidWHERE buffer to the sqlWHERE buffer
                sqlWHERE.append(" AND (");
                // Append the guidWHERE but strip the first OR statement
                sqlWHERE.append(guidWHERE.toString().substring(4));
                sqlWHERE.append(")");
                description.append(" and has a GUID in the supplied list");
            }
        }

        if (searchCriteria.getIdentifierList() != null) {
            final StringBuffer identifierWHERE = new StringBuffer();

            for (String identifier : searchCriteria.getIdentifierList()) {
                if (StringUtils.isNotBlank(identifier)) {
                    identifierWHERE.append(" OR credit.CreditNo LIKE ?");
                    parameters.add("%" + identifier);
                }
            }
            if (identifierWHERE.length() > 0) {
                // Append the identifierWHERE buffer to the sqlWHERE buffer
                sqlWHERE.append(" AND (");
                // Append the identifierWHERE but strip the first OR statement
                sqlWHERE.append(identifierWHERE.toString().substring(4));
                sqlWHERE.append(")");
                description.append(" and has a credit number in the supplied list");
            }
        }

        if (searchCriteria.getPersonId() > 0) {
            sqlWHERE.append(" AND credit.PersonId = ?");
            description.append(" and a person GUID equal to '" + searchCriteria.getPersonId() + "'");
            parameters.add(searchCriteria.getPersonId());
        }
        if (searchCriteria.getOrganisationId() > 0) {
            sqlWHERE.append(" AND credit.OrganisationId = ?");
            description.append(" and a organisation GUID equal to '" + searchCriteria.getOrganisationId() + "'");
            parameters.add(searchCriteria.getOrganisationId());
        }

        if (searchCriteria.getCancelled()) {
            if (searchConstraints.getCancelled()) {
                // Only cancelled
                sqlWHERE.append(" AND credit.Cancelled = true");
                description.append(" and the credit is cancelled");
            }
        } else {
            if (!searchConstraints.getCancelled()) {
                // Only active
                sqlWHERE.append(" AND credit.Cancelled = false");
                description.append(" and the credit is not cancelled");
            }
        }

        if (searchCriteria.getTypeName() != null) {
            if (searchCriteria.getTypeName().compareTo("") != 0) {
                sqlWHERE.append(" AND financialtype.Name LIKE ?");
                description.append(" and a credit type like '" + searchCriteria.getTypeName() + "'");
                parameters.add("%" + searchCriteria.getTypeName() + "%");
            }
        }

        if (searchCriteria.getClassName() != null) {
            if (searchCriteria.getClassName().compareTo("") != 0) {
                sqlWHERE.append(" AND financialtype.Class LIKE ?");
                description.append(" and a credit class like '" + searchCriteria.getClassName() + "'");
                parameters.add("%" + searchCriteria.getClassName() + "%");
            }
        }

        if (searchCriteria.getGSTRate() >= 0) {
            sqlWHERE.append(" AND credit.GSTRate = ?");
            description.append(" and GST is " + Formatter.toPercent(searchCriteria.getGSTRate() / 100, 1, "%")
                    + " in the credit");
            parameters.add(searchCriteria.getGSTRate());
        }

        if (StringUtils.isNotBlank(searchCriteria.getDescription())) {
            if (searchCriteria.getDescription().indexOf("\"") > -1) {
                // Description contains "" so treat as a specific search
                sqlWHERE.append(" AND credit.Description LIKE ?");
                description.append(" and has a credit description like '" + searchCriteria.getDescription() + "'");
                parameters.add(StringUtils.replace(searchCriteria.getDescription(), "\"", ""));
            } else {
                sqlWHERE.append(" AND credit.Description LIKE ?");
                description.append(" and has a credit description like '" + searchCriteria.getDescription() + "'");
                parameters.add("%" + searchCriteria.getDescription() + "%");
            }
        }

        if (searchCriteria.getSecurity() != null) {
            if (searchCriteria.getSecurity().compareTo("") != 0) {
                sqlWHERE.append(" AND financialtype.Security = ?");
                description.append(" and has a security setting of '" + searchCriteria.getSecurity() + "'");
                parameters.add(searchCriteria.getSecurity());
            }
        }

        if (searchCriteria.getIssued() != null) {
            if (searchConstraints.getIssued() != null) {
                int larger = searchCriteria.getIssued().compareTo(searchConstraints.getIssued());
                if (larger > 0) {
                    // SearchCriteria date after SearchConstraint date
                    String fieldA = this.getDf().format(searchCriteria.getIssued());
                    String fieldB = this.getDf().format(searchConstraints.getIssued());
                    sqlWHERE.append(" AND credit.Issued BETWEEN ? AND ?");
                    description.append(" and was issued between '" + fieldB + "' and '" + fieldA + "'");
                    parameters.add(fieldB);
                    parameters.add(fieldA);
                }
                if (larger < 0) {
                    // SearchCriteria date before SearchConstraint date
                    String fieldA = this.getDf().format(searchCriteria.getIssued());
                    String fieldB = this.getDf().format(searchConstraints.getIssued());
                    sqlWHERE.append(" AND credit.Issued BETWEEN ? AND ?");
                    description.append(" and was issued between '" + fieldA + "' and '" + fieldB + "'");
                    parameters.add(fieldA);
                    parameters.add(fieldB);

                }
                if (larger == 0) {
                    // SearchCritier and SearchConstraint are equal
                    String field = this.getDf().format(searchCriteria.getIssued());
                    sqlWHERE.append(" AND credit.Issued = ?");
                    description.append(" and was issued on '" + field + "'");
                    parameters.add(field);
                }
            } else {
                String field = this.getDf().format(searchCriteria.getIssued());
                sqlWHERE.append(" AND credit.Issued = ?");
                description.append(" and was issued on '" + field + "'");
                parameters.add(field);
            }
        }

        if (searchCriteria.getDebit() != null && searchCriteria.getDebit().getGUID() > 0) {
            sqlWHERE.append(" AND credit.InvoiceId = ?");
            description.append(" and a debit GUID of '" + searchCriteria.getDebit().getGUID() + "'");
            parameters.add(searchCriteria.getDebit().getGUID());
        }

        if (searchCriteria.getCreatedDate() != null) {
            if (searchConstraints.getCreatedDate() != null) {
                int larger = searchCriteria.getCreatedDate().compareTo(searchConstraints.getCreatedDate());
                if (larger > 0) {
                    // SearchCriteria date after SearchConstraint date
                    String fieldA = this.getDf().format(searchCriteria.getCreatedDate());
                    String fieldB = this.getDf().format(searchConstraints.getCreatedDate());
                    sqlWHERE.append(" AND guid.CreatedDate BETWEEN ? AND ?");
                    description.append(" and was created between '" + fieldB + "' and '" + fieldA + "'");
                    parameters.add(fieldB);
                    parameters.add(fieldA);
                }
                if (larger < 0) {
                    // SearchCriteria date before SearchConstraint date
                    String fieldA = this.getDf().format(searchCriteria.getCreatedDate());
                    String fieldB = this.getDf().format(searchConstraints.getCreatedDate());
                    sqlWHERE.append(" AND guid.CreatedDate BETWEEN ? AND ?");
                    description.append(" and was created between '" + fieldA + "' and '" + fieldB + "'");
                    parameters.add(fieldA);
                    parameters.add(fieldB);

                }
                if (larger == 0) {
                    // SearchCritier and SearchConstraint are equal
                    String field = this.getDf().format(searchCriteria.getCreatedDate());
                    sqlWHERE.append(" AND guid.CreatedDate = ?");
                    description.append(" and was created on '" + field + "'");
                    parameters.add(field);
                }
            } else {
                String field = this.getDf().format(searchCriteria.getCreatedDate());
                sqlWHERE.append(" AND guid.CreatedDate = ?");
                description.append(" and was created on '" + field + "'");
                parameters.add(field);
            }
        }

        if (searchCriteria.getModifiedDate() != null) {
            if (searchConstraints.getModifiedDate() != null) {
                int larger = searchCriteria.getModifiedDate().compareTo(searchConstraints.getModifiedDate());
                if (larger > 0) {
                    // SearchCriteria date after SearchConstraint date
                    String fieldA = this.getDf().format(searchCriteria.getModifiedDate());
                    String fieldB = this.getDf().format(searchConstraints.getModifiedDate());
                    sqlWHERE.append(" AND guid.ModifiedDate BETWEEN ? AND ?");
                    description.append(" and was modified between '" + fieldB + "' and '" + fieldA + "'");
                    parameters.add(fieldB);
                    parameters.add(fieldA);
                }
                if (larger < 0) {
                    // SearchCriteria date before SearchConstraint date
                    String fieldA = this.getDf().format(searchCriteria.getModifiedDate());
                    String fieldB = this.getDf().format(searchConstraints.getModifiedDate());
                    sqlWHERE.append(" AND guid.ModifiedDate BETWEEN ? AND ?");
                    description.append(" and was modified between '" + fieldA + "' and '" + fieldB + "'");
                    parameters.add(fieldA);
                    parameters.add(fieldB);

                }
                if (larger == 0) {
                    // SearchCritier and SearchConstraint are equal
                    String field = this.getDf().format(searchCriteria.getModifiedDate());
                    sqlWHERE.append(" AND guid.ModifiedDate = ?");
                    description.append(" and was modified on '" + field + "'");
                    parameters.add(field);
                }
            } else {
                String field = this.getDf().format(searchCriteria.getModifiedDate());
                sqlWHERE.append(" AND guid.ModifiedDate = ?");
                description.append(" and was modified on '" + field + "'");
                parameters.add(field);
            }
        }

        if (searchCriteria.getIncludeGUIDList() != null) {
            final StringBuffer guidWHERE = new StringBuffer();

            for (String guid : searchCriteria.getIncludeGUIDList()) {
                if (StringUtils.isNotBlank(guid)) {
                    guidWHERE.append(" OR credit.GUID = ?");
                    parameters.add(guid);
                }
            }
            if (guidWHERE.length() > 0) {
                // Append the guidWHERE buffer to the sqlWHERE buffer
                sqlWHERE.append(" OR (");
                // Append the guidWHERE but strip the first OR statement
                sqlWHERE.append(guidWHERE.toString().substring(4));
                sqlWHERE.append(")");
                description.append(" and has a GUID in the supplied list");
            }
        }

        String[] index = new String[] { sqlWHERE.toString(), DataFilter.getHtml(description.toString()) };

        Map<String[], Collection<Object>> results = new HashMap<String[], Collection<Object>>();

        results.put(index, parameters);

        return results;
    }
}