001    /*
002     * Copyright 2011 The Kuali Foundation.
003     * 
004     * Licensed under the Educational Community License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     * 
008     * http://www.opensource.org/licenses/ecl2.php
009     * 
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.kuali.kfs.module.purap.service.impl;
017    
018    import java.util.ArrayList;
019    import java.util.Collection;
020    import java.util.HashMap;
021    import java.util.HashSet;
022    import java.util.List;
023    import java.util.Map;
024    
025    import org.kuali.kfs.module.purap.businessobject.AccountsPayableItemBase;
026    import org.kuali.kfs.module.purap.businessobject.CreditMemoAccountRevision;
027    import org.kuali.kfs.module.purap.businessobject.CreditMemoItem;
028    import org.kuali.kfs.module.purap.businessobject.PaymentRequestAccount;
029    import org.kuali.kfs.module.purap.businessobject.PaymentRequestAccountRevision;
030    import org.kuali.kfs.module.purap.businessobject.PaymentRequestItem;
031    import org.kuali.kfs.module.purap.businessobject.PurApAccountingLine;
032    import org.kuali.kfs.module.purap.businessobject.PurApAccountingLineBase;
033    import org.kuali.kfs.module.purap.service.PurapAccountRevisionService;
034    import org.kuali.rice.kns.service.BusinessObjectService;
035    import org.kuali.rice.kns.service.DateTimeService;
036    
037    public class PurapAccountRevisionServiceImpl implements PurapAccountRevisionService {
038        private BusinessObjectService businessObjectService;
039        private DateTimeService dateTimeService;
040    
041        /**
042         * @see org.kuali.kfs.module.purap.service.PurapAccountHistoryService#savePaymentRequestAccountHistories(java.util.List,
043         *      java.lang.Integer, java.lang.String)
044         */
045        public void savePaymentRequestAccountRevisions(List<PaymentRequestItem> paymentRequestItems, Integer postingYear, String postingPeriodCode) {
046            List<PaymentRequestAccountRevision> accountHistories = new ArrayList<PaymentRequestAccountRevision>();
047            for (PaymentRequestItem item : paymentRequestItems) {
048                Map<PurapAccountRevisionGroup, PurapAccountRevisionGroup> currentAcctLineGroups = buildAccountLineGroups(item, postingYear, postingPeriodCode);
049                Map<PurapAccountRevisionGroup, PurapAccountRevisionGroup> historyAcctLineGroups = buildAccountHistoryGroups(item, postingYear, postingPeriodCode, PaymentRequestAccountRevision.class);
050                HashSet<PurapAccountRevisionGroup> existList = new HashSet<PurapAccountRevisionGroup>();
051                // handle existing account line changes
052                for (PurapAccountRevisionGroup histGroup : historyAcctLineGroups.keySet()) {
053                    PurapAccountRevisionGroup currGroup = currentAcctLineGroups.get(histGroup);
054                    if (currGroup != null) {
055                        // adjust the amount value
056                        histGroup.setChangeAmount(currGroup.getAmount().subtract(histGroup.getAmount()));
057                    }
058                    else {
059                        // negate the amount if acct line is deleted
060                        histGroup.setChangeAmount(histGroup.getAmount().negated());
061                    }
062                    // build history record and save
063                    PaymentRequestAccountRevision history = (PaymentRequestAccountRevision) histGroup.buildRevisionRecord(PaymentRequestAccountRevision.class);
064                    history.setAccountRevisionTimestamp(dateTimeService.getCurrentTimestamp());
065                    accountHistories.add(history);
066                    existList.add(histGroup);
067                }
068                // handle new accounting lines
069                for (PurapAccountRevisionGroup group : currentAcctLineGroups.keySet()) {
070                    if (!existList.contains(group)) {
071                        // set change amount same as new amount
072                        group.setChangeAmount(group.getAmount());
073                        PaymentRequestAccountRevision history = (PaymentRequestAccountRevision) group.buildRevisionRecord(PaymentRequestAccountRevision.class);
074                        history.setAccountRevisionTimestamp(dateTimeService.getCurrentTimestamp());
075                        accountHistories.add(history);
076                    }
077                }
078            }
079            businessObjectService.save(accountHistories);
080        }
081    
082        public void cancelPaymentRequestAccountRevisions(List<PaymentRequestItem> paymentRequestItems, Integer postingYear, String postingPeriodCode) {
083            List<PaymentRequestAccountRevision> accountHistories = new ArrayList<PaymentRequestAccountRevision>();
084            for (PaymentRequestItem item : paymentRequestItems) {
085                Map<PurapAccountRevisionGroup, PurapAccountRevisionGroup> historyAcctLineGroups = buildAccountHistoryGroups(item, postingYear, postingPeriodCode, PaymentRequestAccountRevision.class);
086                // handle existing account line changes
087                for (PurapAccountRevisionGroup histGroup : historyAcctLineGroups.keySet()) {
088                    // negate the amount
089                    histGroup.setChangeAmount(histGroup.getAmount().negated());
090                    // build history record and save
091                    PaymentRequestAccountRevision history = (PaymentRequestAccountRevision) histGroup.buildRevisionRecord(PaymentRequestAccountRevision.class);
092                    history.setAccountRevisionTimestamp(dateTimeService.getCurrentTimestamp());
093                    accountHistories.add(history);
094                }
095            }
096            businessObjectService.save(accountHistories);
097        }
098    
099        /**
100         * @see org.kuali.kfs.module.purap.service.PurapAccountHistoryService#saveCreditMemoAccountHistories(java.util.List,
101         *      java.lang.Integer, java.lang.String)
102         */
103        public void saveCreditMemoAccountRevisions(List<CreditMemoItem> creditMemoItems, Integer postingYear, String postingPeriodCode) {
104            List<CreditMemoAccountRevision> accountHistories = new ArrayList<CreditMemoAccountRevision>();
105            for (CreditMemoItem item : creditMemoItems) {
106                Map<PurapAccountRevisionGroup, PurapAccountRevisionGroup> currentAcctLineGroups = buildAccountLineGroups(item, postingYear, postingPeriodCode);
107                Map<PurapAccountRevisionGroup, PurapAccountRevisionGroup> historyAcctLineGroups = buildAccountHistoryGroups(item, postingYear, postingPeriodCode, CreditMemoAccountRevision.class);
108                HashSet<PurapAccountRevisionGroup> existList = new HashSet<PurapAccountRevisionGroup>();
109                // first handle existing account line changes
110                for (PurapAccountRevisionGroup histGroup : historyAcctLineGroups.keySet()) {
111                    PurapAccountRevisionGroup currGroup = currentAcctLineGroups.get(histGroup);
112                    if (currGroup != null) {
113                        // adjust the amount
114                        histGroup.setChangeAmount(currGroup.getAmount().subtract(histGroup.getAmount()));
115                    }
116                    else {
117                        // negate the amount if line is deleted
118                        histGroup.setChangeAmount(histGroup.getAmount().negated());
119                    }
120                    // build history record and save
121                    CreditMemoAccountRevision history = (CreditMemoAccountRevision) histGroup.buildRevisionRecord(CreditMemoAccountRevision.class);
122                    history.setAccountRevisionTimestamp(dateTimeService.getCurrentTimestamp());
123                    accountHistories.add(history);
124                    existList.add(histGroup);
125                }
126                // handle new account lines added
127                for (PurapAccountRevisionGroup group : currentAcctLineGroups.keySet()) {
128                    if (!existList.contains(group)) {
129                        // set same change amount same as new amount
130                        group.setChangeAmount(group.getAmount());
131                        CreditMemoAccountRevision history = (CreditMemoAccountRevision) group.buildRevisionRecord(CreditMemoAccountRevision.class);
132                        history.setAccountRevisionTimestamp(dateTimeService.getCurrentTimestamp());
133                        accountHistories.add(history);
134                    }
135                }
136            }
137            businessObjectService.save(accountHistories);
138        }
139    
140        public void cancelCreditMemoAccountRevisions(List<CreditMemoItem> creditMemoItems, Integer postingYear, String postingPeriodCode) {
141            List<CreditMemoAccountRevision> accountHistories = new ArrayList<CreditMemoAccountRevision>();
142            for (CreditMemoItem item : creditMemoItems) {
143                Map<PurapAccountRevisionGroup, PurapAccountRevisionGroup> historyAcctLineGroups = buildAccountHistoryGroups(item, postingYear, postingPeriodCode, CreditMemoAccountRevision.class);
144                // first handle existing account line changes
145                for (PurapAccountRevisionGroup histGroup : historyAcctLineGroups.keySet()) {
146                    // negate the amount
147                    histGroup.setChangeAmount(histGroup.getAmount().negated());
148                    // build history record and save
149                    CreditMemoAccountRevision history = (CreditMemoAccountRevision) histGroup.buildRevisionRecord(CreditMemoAccountRevision.class);
150                    history.setAccountRevisionTimestamp(dateTimeService.getCurrentTimestamp());
151                    accountHistories.add(history);
152                }
153            }
154            businessObjectService.save(accountHistories);
155        }
156    
157        /**
158         * Builds account history grouping data based on given list of purap account lines
159         * 
160         * @param item PurAp Item
161         * @param postingYear Posting year
162         * @param postingPeriodCode Posting period
163         * @return
164         */
165        protected Map<PurapAccountRevisionGroup, PurapAccountRevisionGroup> buildAccountLineGroups(AccountsPayableItemBase item, Integer postingYear, String postingPeriodCode) {
166            Map<PurapAccountRevisionGroup, PurapAccountRevisionGroup> accountLineGroups = new HashMap<PurapAccountRevisionGroup, PurapAccountRevisionGroup>();
167            for (PurApAccountingLine account : item.getSourceAccountingLines()) {
168                PurapAccountRevisionGroup lineGroup = new PurapAccountRevisionGroup((PurApAccountingLineBase) account);
169                lineGroup.setPostingYear(postingYear);
170                lineGroup.setPostingPeriodCode(postingPeriodCode);
171                if ((accountLineGroups.get(lineGroup)) == null) {
172                    accountLineGroups.put(lineGroup, lineGroup);
173                }
174                else {
175                    accountLineGroups.get(lineGroup).combineEntry((PurApAccountingLineBase) account);
176                }
177            }
178            return accountLineGroups;
179        }
180    
181        /**
182         * Builds account history group based on existing account history lines
183         * 
184         * @param item PurAp item
185         * @param postingYear Posting year
186         * @param postingPeriodCode Posting period code
187         * @param clazz History class
188         * @return Map of account history groups
189         */
190        protected Map<PurapAccountRevisionGroup, PurapAccountRevisionGroup> buildAccountHistoryGroups(AccountsPayableItemBase item, Integer postingYear, String postingPeriodCode, Class<? extends PurApAccountingLineBase> clazz) {
191            Map<PurapAccountRevisionGroup, PurapAccountRevisionGroup> historyGroups = new HashMap<PurapAccountRevisionGroup, PurapAccountRevisionGroup>();
192            // find the current sum value from history table and adjusts the amount
193            Map<String, Object> fieldValues = new HashMap<String, Object>();
194            fieldValues.put("itemIdentifier", item.getItemIdentifier());
195            Collection<PurApAccountingLineBase> existingAccounts = businessObjectService.findMatching(clazz, fieldValues);
196            if (existingAccounts != null && !existingAccounts.isEmpty()) {
197                for (PurApAccountingLineBase existAcct : existingAccounts) {
198                    PurapAccountRevisionGroup historyGroup = new PurapAccountRevisionGroup(existAcct);
199                    historyGroup.setPostingYear(postingYear);
200                    historyGroup.setPostingPeriodCode(postingPeriodCode);
201                    if ((historyGroups.get(historyGroup)) == null) {
202                        historyGroups.put(historyGroup, historyGroup);
203                    }
204                    else {
205                        historyGroups.get(historyGroup).combineEntry((PaymentRequestAccount) existAcct);
206                    }
207                }
208            }
209            return historyGroups;
210        }
211    
212        /**
213         * Gets the businessObjectService attribute.
214         * 
215         * @return Returns the businessObjectService.
216         */
217        public BusinessObjectService getBusinessObjectService() {
218            return businessObjectService;
219        }
220    
221        /**
222         * Sets the businessObjectService attribute value.
223         * 
224         * @param businessObjectService The businessObjectService to set.
225         */
226        public void setBusinessObjectService(BusinessObjectService businessObjectService) {
227            this.businessObjectService = businessObjectService;
228        }
229    
230        /**
231         * Gets the dateTimeService attribute.
232         * 
233         * @return Returns the dateTimeService.
234         */
235        public DateTimeService getDateTimeService() {
236            return dateTimeService;
237        }
238    
239        /**
240         * Sets the dateTimeService attribute value.
241         * 
242         * @param dateTimeService The dateTimeService to set.
243         */
244        public void setDateTimeService(DateTimeService dateTimeService) {
245            this.dateTimeService = dateTimeService;
246        }
247    
248    }