/[H6]/MySQLLayer.cpp
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Contents of /MySQLLayer.cpp

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Revision 47 - (show annotations) (download)
Wed Sep 6 20:27:24 2006 UTC (17 years, 7 months ago) by torben
File size: 12752 byte(s)
Added support for config file
1 /*
2 * Primary developers: Hedin & Kevin
3 */
4
5 #include "StdAfx.h"
6 #include ".\MySQLLayer.h"
7
8
9 MySQLLayer::MySQLLayer(ConfigFile &config)
10 {
11 CString dsn;
12 dsn.Format("ODBC;Description=asd;DRIVER=MySQL ODBC 3.51 Driver;SERVER=%s;user=%s;password=%s", config.host, config.username, config.password);
13 db.OpenEx(dsn, CDatabase::noOdbcDialog);
14
15 CString sql;
16 sql.Format("USE %s", config.database);
17 db.ExecuteSQL( sql );
18 }
19
20 MySQLLayer::~MySQLLayer(void)
21 {
22 db.Close();
23 }
24
25 vector<Person> MySQLLayer::GetPersonAll(void)
26 {
27 vector<Person> buffer;
28 CString id, inits, name, isadmin, pass;
29
30 CRecordset rs(&db);
31 rs.Open(AFX_DB_USE_DEFAULT_TYPE, "SELECT PersonID, Initialer, Navn, Admin, Pass FROM Person ORDER BY Initialer DESC");
32 while(!rs.IsEOF())
33 {
34 rs.GetFieldValue((short)0,id);
35 rs.GetFieldValue(1,inits);
36 rs.GetFieldValue(2,name);
37 rs.GetFieldValue(3,isadmin);
38 rs.GetFieldValue(4,pass);
39
40 Person p;
41 p.id = id;
42 p.inits = inits;
43 p.name = name;
44 p.isadmin = (isadmin == 1);
45 p.pass = pass;
46
47 buffer.push_back(p);
48
49 rs.MoveNext();
50 }
51 rs.Close();
52 return buffer;
53 }
54
55 Person MySQLLayer::GetPerson(CString wantInits)
56 {
57
58 CString id, inits, name, isadmin, pass;
59 CString SQL;
60
61 Person p;
62
63 wantInits.Replace("'","\"");
64
65 SQL = "SELECT PersonID, Initialer, Navn, Admin, Pass FROM Person WHERE (Initialer = '" + wantInits + "')";
66 CRecordset rs(&db);
67 rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
68
69 if(!rs.IsEOF() )
70 {
71 rs.GetFieldValue((short)0,id);
72 rs.GetFieldValue(1,inits);
73 rs.GetFieldValue(2,name);
74 rs.GetFieldValue(3,isadmin);
75 rs.GetFieldValue(4,pass);
76
77 p.id = id;
78 p.inits = inits;
79 p.name = name;
80 p.isadmin = (isadmin == "1");
81 p.pass = pass;
82 }
83
84 return p;
85 }
86
87 bool MySQLLayer::AddPerson(Person NewPerson)
88 {
89 CString SQL;
90 NewPerson.inits.Replace("'","\"");
91 NewPerson.name.Replace("'","\"");
92 NewPerson.pass.Replace("'","\"");
93 SQL.Format("INSERT into Person(Initialer, Navn, Admin, Pass) VALUES('%s', '%s', '%d', '%s')",
94 NewPerson.inits, NewPerson.name, NewPerson.isadmin, NewPerson.pass);
95
96 db.ExecuteSQL(SQL);
97 return true;
98 }
99
100 bool MySQLLayer::UpdatePerson(Person ChangePerson)
101 {
102 CString SQL;
103 ChangePerson.inits.Replace("'","\"");
104 ChangePerson.name.Replace("'","\"");
105 ChangePerson.pass.Replace("'","\"");
106 ChangePerson.id.Replace("'","\"");
107 SQL.Format("UPDATE Person SET Initialer = '%s', Navn = '%s', Pass = '%s', Admin = '%d' WHERE PersonID = '%s'",
108 ChangePerson.inits, ChangePerson.name, ChangePerson.pass, ChangePerson.isadmin, ChangePerson.id);
109
110 db.ExecuteSQL(SQL);
111 return true;
112 }
113
114 bool MySQLLayer::DeletePerson(Person RemovePerson)
115 {
116 CString SQL;
117 RemovePerson.id.Replace("'","\"");
118 SQL.Format("DELETE FROM Person WHERE PersonID = '%s'", RemovePerson.id);
119 db.ExecuteSQL(SQL);
120 return true;
121 }
122
123 bool MySQLLayer::ReturnEquipment(CString barcode)
124 {
125 CString SQL;
126 barcode.Replace("'","\"");
127 SQL.Format("UPDATE Udstyr SET Status = '3' WHERE Stregkode= '%s'", barcode);
128 db.ExecuteSQL(SQL);
129
130 SQL.Format("UPDATE Udlån SET Afleveringsdato = now() WHERE Stregkode= '%s' AND Afleveringsdato IS NULL ", barcode);
131 db.ExecuteSQL(SQL);
132
133 checkReservations(barcode);
134 return true;
135 }
136
137 bool MySQLLayer::CheckoutEquipment(Person CheckPersID, Equipment CheckEquip, int Numdays)
138 {
139 CString SQL;
140 CheckEquip.barcode.Replace("'","\"");
141 CheckPersID.id.Replace("'","\"");
142 SQL.Format("UPDATE Udstyr SET Status = '1' WHERE Stregkode = '%s' ", CheckEquip.barcode);
143 db.ExecuteSQL(SQL);
144 SQL.Format("INSERT INTO Udlån (PersonID, Stregkode, Startdato, Antaldage) VALUES( '%s','%s', now(),'%d')", CheckPersID.id, CheckEquip.barcode, Numdays);
145 db.ExecuteSQL(SQL);
146 return true;
147 }
148
149 bool MySQLLayer::EquipmentReservation(CString barcode, Person CheckPerson)
150 {
151 CString SQL;
152 CheckPerson.id.Replace("'","\"");
153 barcode.Replace("'","\"");
154 SQL.Format("INSERT INTO Resevation (PersonID, Stregkode, Startdato) VALUES( '%s','%s', now())", CheckPerson.id, barcode);
155 db.ExecuteSQL(SQL);
156 checkReservations(barcode);
157 return true;
158 }
159
160 bool MySQLLayer::UpdateEquipment(Equipment CheckEquip)
161 {
162 CString SQL;
163 CheckEquip.name.Replace("'","\"");
164 CheckEquip.description.Replace("'","\"");
165 CheckEquip.placement.Replace("'","\"");
166 CheckEquip.status.Replace("'","\"");
167 CheckEquip.barcode.Replace("'","\"");
168 SQL.Format("UPDATE Udstyr SET Navn = '%s', Beskrivelse = '%s', Placering = '%s' WHERE Stregkode = '%s'", CheckEquip.name, CheckEquip.description, CheckEquip.placement, CheckEquip.barcode);
169 db.ExecuteSQL(SQL);
170 return true;
171 }
172
173 bool MySQLLayer::AddEquipment(Equipment AddEquip)
174 {
175 CString SQL;
176 AddEquip.barcode.Replace("'","\"");
177 AddEquip.name.Replace("'","\"");
178 AddEquip.description.Replace("'","\"");
179 AddEquip.placement.Replace("'","\"");
180 SQL.Format("INSERT into Udstyr(Stregkode, Navn, Beskrivelse, Placering, Status) VALUES('%s', '%s', '%s', '%s', '%s')",AddEquip.barcode, AddEquip.name, AddEquip.description, AddEquip.placement, "3");
181 db.ExecuteSQL(SQL);
182 return true;
183 }
184
185 vector<Equipment> MySQLLayer::GetEquipmentAll(void)
186 {
187 vector<Equipment> buffer;
188 CString barcode, name, description, placement, status;
189
190 CRecordset rs(&db);
191 rs.Open(AFX_DB_USE_DEFAULT_TYPE, "SELECT Stregkode, Navn, Beskrivelse, Placering, Status FROM Udstyr");
192 while(!rs.IsEOF())
193 {
194 rs.GetFieldValue((short)0,barcode);
195 rs.GetFieldValue(1,name);
196 rs.GetFieldValue(2,description);
197 rs.GetFieldValue(3,placement);
198 rs.GetFieldValue(4,status);
199
200 Equipment p;
201 p.barcode = barcode;
202 p.name = name;
203 p.description = description;
204 p.placement = placement;
205 p.status = status;
206 buffer.push_back(p);
207
208 rs.MoveNext();
209 }
210 rs.Close();
211 return buffer;
212 }
213
214 Equipment MySQLLayer::GetEquipment(CString wantBarcode)
215 {
216
217 CString barcode,name,description,placement,status;
218
219 CString SQL;
220
221 wantBarcode.Replace("'","\"");
222
223 Equipment e;
224
225 SQL.Format((CString)"SELECT Stregkode,Navn,Udstyr.Beskrivelse,Placering,Status.Beskrivelse FROM Udstyr " +
226 "INNER JOIN Status ON Udstyr.Status = Status.StatusID Where (Stregkode = '%s')", wantBarcode);
227 CRecordset rs(&db);
228 rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
229 if (!rs.IsEOF() )
230 {
231 rs.GetFieldValue((short)0,barcode);
232 rs.GetFieldValue(1,name);
233 rs.GetFieldValue(2,description);
234 rs.GetFieldValue(3,placement);
235 rs.GetFieldValue(4,status);
236
237 e.barcode = barcode;
238 e.name = name;
239 e.description = description;
240 e.placement = placement;
241 e.status = status;
242 }
243 rs.Close();
244 return e;
245 }
246
247 bool MySQLLayer::DeleteEquipment(Equipment DelEquip)
248 {
249 CString SQL;
250 DelEquip.barcode.Replace("'","\"");
251 SQL.Format("DELETE FROM Udstyr WHERE Stregkode = '%s'", DelEquip.barcode);
252 db.ExecuteSQL(SQL);
253 return true;
254 }
255
256
257 // Developed by Torben H. Nielsen
258 vector<Equipment> MySQLLayer::Search(CString barcode, CString name, CString inits, bool available, bool reserved, bool deposited)
259 {
260 vector<Equipment> buffer;
261
262 barcode.Replace("'","\"");
263 name.Replace("'","\"");
264 inits.Replace("'","\"");
265
266 //here are the wanted equipments found through 3 seperate queries - I could also
267 //find them all in one query where I joined the 3 selects via a UNION
268 CString SQL;
269 if (available == true) {
270 SQL = "SELECT DISTINCT Udstyr.stregkode,Udstyr.Navn,Udstyr.Beskrivelse,Udstyr.Placering,Status.Beskrivelse \
271 FROM Udstyr \
272 INNER JOIN Status ON Udstyr.status = Status.StatusID WHERE Udstyr.Status = 3 ";
273 if (barcode != "")
274 SQL += " AND Udstyr.stregkode = '" + barcode + "' ";
275 if (name != "")
276 SQL += " AND Udstyr.Navn LIKE '%" + name + "%' ";
277
278 CRecordset rs(&db);
279 rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
280 FillEquipmentVector(buffer,rs);
281 rs.Close();
282 }
283
284 if (reserved == true) {
285 SQL = "SELECT DISTINCT Udstyr.stregkode,Udstyr.Navn,Udstyr.Beskrivelse,Udstyr.Placering,Status.Beskrivelse \r\n\
286 FROM Udstyr \r\n\
287 INNER JOIN Status ON Udstyr.status = Status.StatusID \r\n\
288 INNER JOIN Resevation ON Udstyr.Stregkode = Resevation.stregkode \r\n\
289 INNER JOIN Person ON Resevation.PersonID = Person.PersonID\r\n\
290 WHERE ( Udstyr.Status = 2 OR Person.Initialer = '" + inits + "') ";
291 if (barcode != "")
292 SQL += " AND Udstyr.stregkode = '" + barcode + "' ";
293 if (name != "")
294 SQL += " AND Udstyr.Navn LIKE '%" + name + "%' ";
295 //if (inits != "")
296 // SQL += " AND Person.Initialer = '" + inits + "' ";
297
298 CRecordset rs(&db);
299 rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
300 FillEquipmentVector(buffer,rs);
301 rs.Close();
302 }
303
304
305 if (deposited == true) {
306 SQL = "SELECT DISTINCT Udstyr.stregkode,Udstyr.Navn,Udstyr.Beskrivelse,Udstyr.Placering,Status.Beskrivelse \
307 FROM Udstyr \
308 INNER JOIN Status ON Udstyr.status = Status.StatusID \
309 INNER JOIN Udlån ON Udstyr.Stregkode = Udlån.stregkode \
310 INNER JOIN Person ON Udlån.PersonID = Person.PersonID \
311 WHERE Udstyr.Status = 1 \
312 AND Udlån.Afleveringsdato IS NULL";
313 if (barcode != "")
314 SQL += " AND Udstyr.stregkode = '" + barcode + "' ";
315 if (name != "")
316 SQL += " AND Udstyr.Navn LIKE '%" + name + "%' ";
317 if (inits != "")
318 SQL += " AND Person.Initialer = '" + inits + "' ";
319
320 CRecordset rs(&db);
321 rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
322 FillEquipmentVector(buffer,rs);
323 rs.Close();
324 }
325
326 // now I have the equipment rows the user asked for, now I need some more checkout and
327 // reservation data for each piece of equipment
328
329 for (int i=0; i<buffer.size(); i++) {
330 //fill Equipment::checkouts
331
332 SQL = "SELECT Udlån.StartDato, Udlån.Afleveringsdato,Udlån.Antaldage, Person.Initialer\
333 FROM Udlån\
334 INNER JOIN Person ON Udlån.PersonID = Person.PersonID ";
335 SQL += "WHERE Udlån.Stregkode = " + buffer[i].barcode + " ORDER BY STARTDATO DESC LIMIT 10";
336 CRecordset rs(&db);
337 rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
338 if (rs.GetRecordCount()>0) {
339 rs.MoveFirst();
340 while ( !rs.IsEOF() ) {
341 Checkout check;
342 rs.GetFieldValue((short)0, check.startdate);
343 rs.GetFieldValue(1, check.enddate);
344 rs.GetFieldValue(2, check.numdays);
345 rs.GetFieldValue(3, check.inits);
346
347 buffer[i].checkouts.push_back(check);
348 rs.MoveNext();
349 }
350 }
351 rs.Close();
352
353 // fill Equipment::reservations
354 SQL = "SELECT Resevation.ResevationID, Resevation.StartDato, Person.Initialer\
355 FROM Resevation\
356 INNER JOIN Person ON Resevation.PersonID = Person.PersonID ";
357 SQL += "WHERE Resevation.Stregkode = " + buffer[i].barcode + " ORDER BY STARTDATO ASC";
358
359 rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
360 if (rs.GetRecordCount()>0) {
361 rs.MoveFirst();
362 while ( !rs.IsEOF() ) {
363 Reservation res;
364 rs.GetFieldValue((short)0, res.reservationID);
365 rs.GetFieldValue(1, res.startdate);
366 rs.GetFieldValue(2, res.inits);
367
368 buffer[i].reservations.push_back(res);
369 rs.MoveNext();
370 }
371 }
372 rs.Close();
373 }
374
375 return buffer;
376 }
377
378 // Developed by Torben H. Nielsen
379 void MySQLLayer::FillEquipmentVector(vector<Equipment> &buffer, CRecordset &rs)
380 {
381 CString barcode,name,description,placement,status;
382 if (rs.GetRecordCount()>0) {
383 rs.MoveFirst();
384 while (!rs.IsEOF() ) {
385 Equipment eq;
386 rs.GetFieldValue((short)0, eq.barcode);
387 rs.GetFieldValue(1, eq.name);
388 rs.GetFieldValue(2, eq.description);
389 rs.GetFieldValue(3, eq.placement);
390 rs.GetFieldValue(4, eq.status);
391
392 buffer.push_back(eq);
393
394 rs.MoveNext();
395 }
396 }
397 }
398 //Developed by Torben H. Nielsen
399 void MySQLLayer::checkReservations(CString barcode)
400 {
401 CString scount,status;
402 barcode.Replace("'","\"");
403 CString SQL = "SELECT count(*) FROM Resevation WHERE Resevation.Stregkode = '" + barcode + "'";
404 CRecordset rs(&db);
405 rs.Open(AFX_DB_USE_DEFAULT_TYPE,SQL);
406 rs.MoveFirst();
407 rs.GetFieldValue((short)0,scount);
408 int reservationCount = atoi(scount);
409 rs.Close();
410
411 SQL = "SELECT status FROM Udstyr WHERE Udstyr.Stregkode = '" + barcode + "'";
412 rs.Open(AFX_DB_USE_DEFAULT_TYPE,SQL);
413 if (rs.GetRecordCount() >0) {
414 rs.MoveFirst();
415 rs.GetFieldValue((short)0,status);
416 }
417 rs.Close();
418
419 if (reservationCount > 0 && status == "3") {//equipment is available and has at lease one reservation
420 SQL = "UPDATE Udstyr SET Status = 2 WHERE Stregkode = '" + barcode + "'";
421 db.ExecuteSQL(SQL);
422 }
423 }
424
425 //Developed by Torben H. Nielsen
426 bool MySQLLayer::DeleteReservation(CString barcode, CString resid)
427 {
428 barcode.Replace("'","\"");
429 resid.Replace("'","\"");
430 CString SQL = "DELETE FROM Resevation WHERE resevationid = " + resid;
431 db.ExecuteSQL(SQL);
432 checkReservations(barcode);
433 return true;
434 }
435

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