Java tutorial
/* This file is part of Cyclos (www.cyclos.org). A project of the Social Trade Organisation (www.socialtrade.org). Cyclos is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. Cyclos 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 General Public License for more details. You should have received a copy of the GNU General Public License along with Cyclos; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package nl.strohalm.cyclos.dao.accounts.fee.account; import java.sql.SQLException; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Map; import nl.strohalm.cyclos.dao.BaseDAOImpl; import nl.strohalm.cyclos.dao.JDBCCallback; import nl.strohalm.cyclos.entities.accounts.fees.account.AccountFee; import nl.strohalm.cyclos.entities.accounts.fees.account.AccountFeeLog; import nl.strohalm.cyclos.entities.accounts.fees.account.MemberAccountFeeLog; import nl.strohalm.cyclos.entities.accounts.fees.account.MemberAccountFeeLogQuery; import nl.strohalm.cyclos.entities.accounts.fees.account.MemberAccountFeeLogQuery.Status; import nl.strohalm.cyclos.entities.accounts.transactions.Invoice; import nl.strohalm.cyclos.entities.groups.MemberGroup; import nl.strohalm.cyclos.entities.members.Member; import nl.strohalm.cyclos.entities.settings.LocalSettings.MemberResultDisplay; import nl.strohalm.cyclos.services.transactions.TransactionSummaryVO; import nl.strohalm.cyclos.utils.EntityHelper; import nl.strohalm.cyclos.utils.JDBCWrapper; import nl.strohalm.cyclos.utils.hibernate.HibernateHelper; import nl.strohalm.cyclos.utils.query.PageParameters; import org.apache.commons.collections.CollectionUtils; import org.apache.commons.lang.ArrayUtils; import org.apache.commons.lang.StringUtils; import org.apache.commons.lang.mutable.MutableInt; /** * Implementation for {@link MemberAccountFeeLogDAO} * * @author luis */ public class MemberAccountFeeLogDAOImpl extends BaseDAOImpl<MemberAccountFeeLog> implements MemberAccountFeeLogDAO { public MemberAccountFeeLogDAOImpl() { super(MemberAccountFeeLog.class); } @Override public int countSkippedMembers(final AccountFeeLog log) { Map<String, Object> params = new HashMap<String, Object>(); params.put("log", log); StringBuilder hql = new StringBuilder(); hql.append(" select count(*) "); hql.append(" from MemberAccountFeeLog l"); hql.append(" where l.accountFeeLog = :log"); hql.append(" and l.success = true"); hql.append(" and l.transfer.id is null"); hql.append(" and l.invoice.id is null"); return this.<Integer>uniqueResult(hql.toString(), params); } @Override public TransactionSummaryVO getAcceptedInvoicesSummary(final AccountFeeLog log) { return doGetInvoicesSummary(log, true); } @Override public TransactionSummaryVO getInvoicesSummary(final AccountFeeLog log) { return doGetInvoicesSummary(log, false); } @Override public AccountFeeLog getLastChargedLog(final Member member, final AccountFee fee) { Map<String, Object> params = new HashMap<String, Object>(); params.put("member", member); params.put("fee", fee); String hql = "select ml.accountFeeLog from MemberAccountFeeLog ml where ml.member = :member and ml.accountFeeLog.accountFee = :fee order by ml.accountFeeLog.date desc, ml.id"; return this.<AccountFeeLog>uniqueResult(hql, params); } @Override public TransactionSummaryVO getTransfersSummary(final AccountFeeLog log) { Map<String, ?> params = Collections.singletonMap("log", log); StringBuilder hql = new StringBuilder(); hql.append( " select new nl.strohalm.cyclos.services.transactions.TransactionSummaryVO(count(*), sum(l.amount)) "); hql.append(" from MemberAccountFeeLog l"); hql.append(" where l.accountFeeLog = :log"); hql.append(" and l.transfer.id is not null"); return this.<TransactionSummaryVO>uniqueResult(hql.toString(), params); } @Override public MemberAccountFeeLog load(final AccountFeeLog log, final Member member) { Map<String, Object> params = new HashMap<String, Object>(); params.put("log", log); params.put("member", member); return this.<MemberAccountFeeLog>uniqueResult( "from MemberAccountFeeLog ml where ml.accountFeeLog = :log and ml.member = :member", params); } @Override public List<Member> nextFailedToCharge(final AccountFeeLog feeLog, final int count) { final Collection<MemberGroup> groups = feeLog.getAccountFee().getGroups(); if (groups.isEmpty()) { // Ensure no members are charged, as there are no groups return Collections.emptyList(); } final Map<String, Object> parameters = new HashMap<String, Object>(); parameters.put("log", feeLog); final StringBuilder hql = new StringBuilder(); hql.append(" select m"); hql.append(" from MemberAccountFeeLog ml join ml.accountFeeLog l join ml.member m left join fetch m.user"); hql.append(" where ml.success = false"); hql.append(" and ml.rechargeAttempt < l.rechargeAttempt"); hql.append(" and l = :log"); return getHibernateQueryHandler().simpleList(null, hql.toString(), parameters, PageParameters.max(count)); } @Override @SuppressWarnings("unchecked") public List<Member> nextToCharge(final AccountFeeLog feeLog, final int count) { return getSession().createFilter(feeLog.getPendingToCharge(), "where 1=1").setMaxResults(count).list(); } @Override public int prepareCharge(final AccountFeeLog log) { final Long[] groupIds = EntityHelper.toIds(log.getAccountFee().getGroups()); if (ArrayUtils.isEmpty(groupIds)) { // No groups to charge return 0; } final MutableInt result = new MutableInt(); runNative(new JDBCCallback() { @Override public void execute(final JDBCWrapper jdbc) throws SQLException { String[] placeHolders = new String[groupIds.length]; Arrays.fill(placeHolders, "?"); StringBuilder sql = new StringBuilder(); sql.append(" insert into members_pending_charge"); sql.append(" (account_fee_log_id, member_id)"); sql.append(" select ?, id"); sql.append(" from members m"); sql.append(" where m.subclass = ?"); sql.append(" and m.group_id in (").append(StringUtils.join(placeHolders, ",")).append(')'); List<Object> args = new ArrayList<Object>(groupIds.length + 2); args.add(log.getId()); args.add("M"); CollectionUtils.addAll(args, groupIds); int totalMembers = jdbc.execute(sql.toString(), args.toArray()); result.setValue(totalMembers); } }); return result.intValue(); } @Override public void remove(final AccountFeeLog log, final Member member) { Map<String, Object> params = new HashMap<String, Object>(); params.put("log", log); params.put("member", member); bulkUpdate("delete from MemberAccountFeeLog ml where ml.accountFeeLog = :log and ml.member = :member", params); } @Override public void removePendingCharge(final AccountFeeLog feeLog, final Member member) { runNative(new JDBCCallback() { @Override public void execute(final JDBCWrapper jdbc) throws SQLException { jdbc.execute("delete from members_pending_charge where account_fee_log_id = ? and member_id = ?", feeLog.getId(), member.getId()); } }); } @Override public List<MemberAccountFeeLog> search(final MemberAccountFeeLogQuery query, final MemberResultDisplay sort) { Map<String, Object> params = new HashMap<String, Object>(); StringBuilder hql = HibernateHelper.getInitialQuery(getEntityType(), "m", query.getFetch()); HibernateHelper.addParameterToQuery(hql, params, "m.accountFeeLog", query.getAccountFeeLog()); HibernateHelper.addInParameterToQuery(hql, params, "m.member.group", query.getGroups()); HibernateHelper.addParameterToQuery(hql, params, "m.member", query.getMember()); Status status = query.getStatus(); if (status != null) { // Status == ERROR will filter for success = false. All other statuses will add success = true HibernateHelper.addParameterToQuery(hql, params, "m.success", status != Status.ERROR); // Status.PROCESSED will not add any other filter, as it is only success = true switch (status) { case SKIPPED: hql.append(" and m.transfer.id is null and m.invoice.id is null"); break; case TRANSFER: hql.append(" and m.transfer.id is not null"); break; case INVOICE: hql.append(" and m.invoice.id is not null"); break; case ACCEPTED_INVOICE: HibernateHelper.addParameterToQuery(hql, params, "m.invoice.status", Invoice.Status.ACCEPTED); break; case OPEN_INVOICE: HibernateHelper.addParameterToQueryOperator(hql, params, "m.invoice.status", "<>", Invoice.Status.ACCEPTED); break; } } HibernateHelper.appendOrder(hql, sort == MemberResultDisplay.NAME ? "m.member.name" : "m.member.user.username"); return list(query, hql.toString(), params); } private TransactionSummaryVO doGetInvoicesSummary(final AccountFeeLog log, final boolean accepted) { Map<String, Object> params = new HashMap<String, Object>(); params.put("log", log); StringBuilder hql = new StringBuilder(); hql.append( " select new nl.strohalm.cyclos.services.transactions.TransactionSummaryVO(count(*), sum(l.amount)) "); hql.append(" from MemberAccountFeeLog l"); if (accepted) { hql.append(" join l.invoice i "); } hql.append(" where l.accountFeeLog = :log"); if (accepted) { hql.append(" and i.status = :accepted"); params.put("accepted", Invoice.Status.ACCEPTED); } else { hql.append(" and l.invoice.id is not null"); } return this.<TransactionSummaryVO>uniqueResult(hql.toString(), params); } }