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1
19
20 package za.org.coefficient.modules.vote;
21
22 import net.sf.hibernate.Hibernate;
23 import net.sf.hibernate.HibernateException;
24 import net.sf.hibernate.Session;
25
26 import za.org.coefficient.authentication.Role;
27 import za.org.coefficient.core.Project;
28 import za.org.coefficient.interfaces.CoefficientContext;
29 import za.org.coefficient.modules.BaseProjectModule;
30 import za.org.coefficient.modules.project.ProjectConstants;
31 import za.org.coefficient.util.common.InvokerFactory;
32 import net.sf.hibernate.util.HibernateUtil;
33 import za.org.coefficient.util.ejb.SecurityUtil;
34 import za.org.coefficient.util.ejb.VelocityScreenUtil;
35
36 import java.util.ArrayList  ;
37 import java.util.HashMap ;
38 import java.util.List ;
39 import java.util.StringTokenizer ;
40
41
55 public class Vote extends BaseProjectModule {
56
58 static {
59 try {
60 HibernateUtil.configureHibernateForClass(VoteData.class);
61 } catch (HibernateException he) {
62 he.printStackTrace();
63 }
64 }
65
66
69 public static final String ADD = "add";
70 public static final String CLOSE = "close";
71 public static final String DELETE = "delete";
72 public static final String REOPEN = "reopen";
73 public static final String RESET = "reset";
74 public static final String EDIT = "edit";
75
76
79 public static final String ERROR = "error";
80 public static final String MODULE = "module";
81 public static final String PROJECT = "project";
82 public static final String OP = "op";
83 public static final String BUTTON = "button";
84 public static final String DATEUTIL = "dateutil";
85 public static final String NAME = "name";
86 public static final String PERSON = "person";
87 public static final String QUESTION = "question";
88 public static final String CHOICE = "choice";
89 public static final String CHOICE1 = "choice1";
90 public static final String CHOICE2 = "choice2";
91 public static final String STARTYEAR = "startyear";
92 public static final String STARTMONTH = "startmonth";
93 public static final String STARTDAY = "startday";
94 public static final String ENDYEAR = "endyear";
95 public static final String ENDMONTH = "endmonth";
96 public static final String ENDDAY = "endday";
97 public static final String ROLES = "roles";
98 public static final String MINIMUMROLE = "minimumrole";
99 public static final String VOTE = "vote";
100 public static final String VOTES = "votes";
101 public static final String MORE = "more";
102 public static final String ON = "on";
103 public static final String ID = "id";
104 public static final String RESULTS = "results";
105 public static final String DEFAULTUSER = "guest";
106
107
110
113 public static final String ERRORPAGE = "error.vm";
114 public static final String ADMINPAGE = "admin.vm";
115 public static final String LISTPAGE = "list.vm";
116 public static final String INDEXPAGE = "index.vm";
117 public static final String RESULTSPAGE = "results.vm";
118 public static final String ADDMSG = "add.vm";
119 public static final String COMPLETEDMSG = "completed.vm";
120 public static final String FINISHED = "100%";
121
122
125 public static final String NOPROJECT = "You do not have a project";
126 public static final String MISSINGDATA = "Please fill in all the data";
127
128
130 public String getMainMethod() {
131 return "showSummaryForProject";
133 }
134
135 public String getModuleDescription() {
136 return "vote module";
137 }
138
139 public String getModuleDisplayName() {
140 return "Vote";
141 }
142
143 public String canExecuteForRole(CoefficientContext ctx, String methodName,
144 Role usersHighestRole) {
145 return null;
146 }
147
148 public CoefficientContext castavote(CoefficientContext ctx) throws Exception {
149 Project project = ctx.getProject();
150 HashMap map = new HashMap ();
151 StringBuffer sb = new StringBuffer ("Problem here");
152 map.put(MODULE, this);
153 if (project != null) {
154 map.put(OP, InvokerFactory.getInvoker()
155 .invokeMethodOnModule("VoteAdmin", "getOp",
156 new Object []{ctx}));
157 map.put(PROJECT, project);
158 List polls = (List )InvokerFactory.getInvoker()
159 .invokeMethodOnModule("VoteAdmin", "getExistingOpenPolls",
160 new Object []{project});
161 map.put(VOTES, polls);
162 String button = ctx.getParameter(BUTTON, "");
163
164 if (button.toLowerCase().equals(VOTE)) {
166 processVotes(ctx, map);
167 polls = (List )InvokerFactory.getInvoker()
168 .invokeMethodOnModule("VoteAdmin", "getExistingOpenPolls",
169 new Object []{project});
170 map.put(VOTES, polls);
171 sb = VelocityScreenUtil.getProcessedScreen(RESULTSPAGE, map);
172 ctx.setForward("project");
173 }
174 } else {
175 map.put(ERROR, NOPROJECT);
176 sb = VelocityScreenUtil.getProcessedScreen(ERRORPAGE, map);
177 }
178
179 ctx.setModuleContent(sb.toString(), getModuleDisplayName());
181 return ctx;
182 }
183
184 public CoefficientContext deleteAllForProject(CoefficientContext ctx) throws Exception {
185 Project project = ctx.getProject();
186 if (project != null) {
187 List polls = (List )InvokerFactory.getInvoker()
188 .invokeMethodOnModule("VoteAdmin", "getExistingOpenPolls",
189 new Object []{project});
190 int i;
191
192 for (i = 0; i < polls.size(); i++) {
193 try {
194 HibernateUtil.delete(polls.get(i));
195 } catch (Throwable t) {
196 System.out.println("Hibernate can not delete " + t);
197 }
198 }
199 }
200 return ctx;
201 }
202
203 public String getSummaryForProject(CoefficientContext ctx) throws HibernateException {
204 HashMap map = new HashMap ();
205 Session sess = HibernateUtil.getSession();
206 map.put("pollCnt", ((Integer )sess.iterate("select count(*) from "
207 + VoteData.class.getName()
208 + " as voteData where voteData.projectId = ?",
209 ctx.getProject().getId(), Hibernate.LONG).next()));
210 map.put("projectName", ProjectConstants.PROJECT_NAME);
211
212 HibernateUtil.finalizeSession();
215 StringBuffer sb = VelocityScreenUtil
216 .getProcessedScreen("getSummaryForProject.vm", map);
217 return sb.toString();
218 }
219
220 public CoefficientContext showSummaryForProject(CoefficientContext ctx) throws Exception {
221 Project project = ctx.getProject();
222 HashMap map = new HashMap ();
223 StringBuffer sb = new StringBuffer ("Problem here");
224 map.put(MODULE, this);
225 if (project != null) {
226 map.put(OP, InvokerFactory.getInvoker()
227 .invokeMethodOnModule("VoteAdmin", "getOp",
228 new Object []{ctx}));
229 map.put(PROJECT, project);
230 List polls = (List )InvokerFactory.getInvoker()
231 .invokeMethodOnModule("VoteAdmin", "getExistingOpenPolls",
232 new Object []{project});
233 List unvoted;
234 if (ctx.getCurrentUser() == null) {
235 unvoted = (List )InvokerFactory.getInvoker()
236 .invokeMethodOnModule("VoteAdmin", "removePollsAlreadyVoted",
237 new Object []{polls, DEFAULTUSER});
238 } else {
239 unvoted = (List )InvokerFactory.getInvoker()
240 .invokeMethodOnModule("VoteAdmin", "removePollsAlreadyVoted",
241 new Object []{polls, ctx.getCurrentUser().getUserName()});
242 }
243 List allowed;
244 allowed = (List )InvokerFactory.getInvoker()
245 .invokeMethodOnModule("VoteAdmin", "removePollsNotAllowed",
246 new Object []{ctx, unvoted});
247 map.put(VOTES, allowed);
248 sb = VelocityScreenUtil.getProcessedScreen(INDEXPAGE, map);
249 } else {
250 map.put(ERROR, NOPROJECT);
251 sb = VelocityScreenUtil.getProcessedScreen(ERRORPAGE, map);
252 }
253
254 ctx.setModuleContent(sb.toString(), getModuleDisplayName());
256 return ctx;
257 }
258
259 private void processVotes(CoefficientContext ctx, HashMap map) {
260 int i;
261 List votes = new ArrayList ();
262 String choice;
263
264 for (i = 0; true; i++) {
265 choice = ctx.getParameter(CHOICE + i);
266 votes.add(choice);
267 if (choice == null) {
268 break;
269 }
270 }
271
272 StringTokenizer toks;
273 String id;
274 String pos;
275 VoteData vote;
276 for (i = 0; i < votes.size(); i++) {
277 if (votes.get(i) == null) {
278 continue;
279 }
280 toks = new StringTokenizer ((String ) votes.get(i), "-");
281 List list = null;
282 try {
283 id = (String ) toks.nextElement();
284 pos = (String ) toks.nextElement();
285 list =
286 HibernateUtil.find("FROM " + VoteData.class.getName()
287 + " as vote " + "WHERE vote.id = ? ", new Long (id),
288 Hibernate.LONG);
289 vote = (VoteData) (list.get(0));
290 String user;
291 if (ctx.getCurrentUser() == null) {
292 user = DEFAULTUSER;
293 } else {
294 user = ctx.getCurrentUser()
295 .getUserName();
296 }
297 List voters = vote.getVoters();
298 if (vote.getMinimumRole()
299 .getRoleValue() < SecurityUtil.getHighestRoleForUser(
300 ctx.getCurrentUser(), ctx.getProject())
301 .getRoleValue()) {
302 }
303 if (!user.equals(DEFAULTUSER) && voters.contains(user)) {
304 map.put(ERROR, "You already voted on this issue!");
305 } else if (vote.getMinimumRole()
306 .getRoleValue() < SecurityUtil.getHighestRoleForUser(
307 ctx.getCurrentUser(), ctx.getProject())
308 .getRoleValue()) {
309 map.put(ERROR,
310 "You do not have permission to vote on this issue");
311 } else {
312 vote.getVoters()
313 .add(user);
314 int k;
315 k = Integer.parseInt(pos);
316 Long cnt = (Long ) vote.getCounts()
317 .get(k);
318 long l = Long.parseLong("" + cnt);
319 l++;
320 List oldcounts = vote.getCounts();
321 List counts = new ArrayList ();
322 int j;
323 for (j = 0; j < oldcounts.size(); j++) {
324 if (j == k) {
325 counts.add(new Long (l));
326 } else {
327 counts.add(oldcounts.get(j));
328 }
329 }
330 vote.setCounts(counts);
331 }
332 HibernateUtil.saveOrUpdate(vote);
333 } catch (Throwable t) {
334 System.out.println("Hibernate session throws " + t);
335 }
336 }
337 }
338
339 private void transferChoices(CoefficientContext ctx, VoteData data) {
340 int i;
341 String choice;
342
343 for (i = 1; true; i++) {
344 choice = ctx.getParameter(CHOICE + i);
345 if (choice == null) {
346 break;
347 }
348 data.getAnswers()
349 .add(choice);
350 data.getCounts()
351 .add(new Long (0));
352 }
353 }
354 }
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