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

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Revision 54 - (hide annotations) (download)
Tue Sep 12 09:09:30 2006 UTC (17 years, 6 months ago) by torben
File size: 12532 byte(s)
In the Search() function in the databaselayers we shouldn't waste time and space on finding
the previous checkouts and the current reservations - this should be done in getEquipment().

ResultDialog and ResultDetailsDialog now communicates throuh a CString barcode, insted of an index into the search result.

On an administrative action the ResultDetailsDialog now refreshes the data instead of closing the dialog.
1 torben 41 /*
2     * Primary developers: Hedin & Kevin
3     */
4    
5     #include "StdAfx.h"
6     #include ".\MySQLLayer.h"
7    
8    
9 torben 47 MySQLLayer::MySQLLayer(ConfigFile &config)
10 torben 41 {
11 torben 47 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 torben 41 }
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 torben 54
243     rs.Close();
244    
245     //fill Equipment::checkouts
246    
247     SQL = "SELECT Udlån.StartDato, Udlån.Afleveringsdato,Udlån.Antaldage, Person.Initialer\
248     FROM Udlån\
249     INNER JOIN Person ON Udlån.PersonID = Person.PersonID ";
250     SQL += "WHERE Udlån.Stregkode = " + barcode + " ORDER BY STARTDATO DESC LIMIT 10";
251     CRecordset rs(&db);
252     rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
253     if (rs.GetRecordCount()>0) {
254     rs.MoveFirst();
255     while ( !rs.IsEOF() ) {
256     Checkout check;
257     rs.GetFieldValue((short)0, check.startdate);
258     rs.GetFieldValue(1, check.enddate);
259     rs.GetFieldValue(2, check.numdays);
260     rs.GetFieldValue(3, check.inits);
261    
262     e.checkouts.push_back(check);
263     rs.MoveNext();
264     }
265     }
266     rs.Close();
267    
268     // fill Equipment::reservations
269     SQL = "SELECT Resevation.ResevationID, Resevation.StartDato, Person.Initialer\
270     FROM Resevation\
271     INNER JOIN Person ON Resevation.PersonID = Person.PersonID ";
272     SQL += "WHERE Resevation.Stregkode = " + barcode + " ORDER BY STARTDATO ASC";
273    
274     rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
275     if (rs.GetRecordCount()>0) {
276     rs.MoveFirst();
277     while ( !rs.IsEOF() ) {
278     Reservation res;
279     rs.GetFieldValue((short)0, res.reservationID);
280     rs.GetFieldValue(1, res.startdate);
281     rs.GetFieldValue(2, res.inits);
282    
283     e.reservations.push_back(res);
284     rs.MoveNext();
285     }
286     }
287     rs.Close();
288 torben 41 }
289     return e;
290     }
291    
292     bool MySQLLayer::DeleteEquipment(Equipment DelEquip)
293     {
294     CString SQL;
295     DelEquip.barcode.Replace("'","\"");
296     SQL.Format("DELETE FROM Udstyr WHERE Stregkode = '%s'", DelEquip.barcode);
297     db.ExecuteSQL(SQL);
298     return true;
299     }
300    
301    
302     // Developed by Torben H. Nielsen
303     vector<Equipment> MySQLLayer::Search(CString barcode, CString name, CString inits, bool available, bool reserved, bool deposited)
304     {
305     vector<Equipment> buffer;
306    
307     barcode.Replace("'","\"");
308     name.Replace("'","\"");
309     inits.Replace("'","\"");
310    
311     //here are the wanted equipments found through 3 seperate queries - I could also
312     //find them all in one query where I joined the 3 selects via a UNION
313     CString SQL;
314     if (available == true) {
315     SQL = "SELECT DISTINCT Udstyr.stregkode,Udstyr.Navn,Udstyr.Beskrivelse,Udstyr.Placering,Status.Beskrivelse \
316     FROM Udstyr \
317     INNER JOIN Status ON Udstyr.status = Status.StatusID WHERE Udstyr.Status = 3 ";
318     if (barcode != "")
319     SQL += " AND Udstyr.stregkode = '" + barcode + "' ";
320     if (name != "")
321     SQL += " AND Udstyr.Navn LIKE '%" + name + "%' ";
322    
323     CRecordset rs(&db);
324     rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
325     FillEquipmentVector(buffer,rs);
326     rs.Close();
327     }
328    
329     if (reserved == true) {
330     SQL = "SELECT DISTINCT Udstyr.stregkode,Udstyr.Navn,Udstyr.Beskrivelse,Udstyr.Placering,Status.Beskrivelse \r\n\
331     FROM Udstyr \r\n\
332     INNER JOIN Status ON Udstyr.status = Status.StatusID \r\n\
333     INNER JOIN Resevation ON Udstyr.Stregkode = Resevation.stregkode \r\n\
334     INNER JOIN Person ON Resevation.PersonID = Person.PersonID\r\n\
335     WHERE ( Udstyr.Status = 2 OR Person.Initialer = '" + inits + "') ";
336     if (barcode != "")
337     SQL += " AND Udstyr.stregkode = '" + barcode + "' ";
338     if (name != "")
339     SQL += " AND Udstyr.Navn LIKE '%" + name + "%' ";
340     //if (inits != "")
341     // SQL += " AND Person.Initialer = '" + inits + "' ";
342    
343     CRecordset rs(&db);
344     rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
345     FillEquipmentVector(buffer,rs);
346     rs.Close();
347     }
348    
349    
350     if (deposited == true) {
351     SQL = "SELECT DISTINCT Udstyr.stregkode,Udstyr.Navn,Udstyr.Beskrivelse,Udstyr.Placering,Status.Beskrivelse \
352     FROM Udstyr \
353     INNER JOIN Status ON Udstyr.status = Status.StatusID \
354     INNER JOIN Udlån ON Udstyr.Stregkode = Udlån.stregkode \
355     INNER JOIN Person ON Udlån.PersonID = Person.PersonID \
356     WHERE Udstyr.Status = 1 \
357     AND Udlån.Afleveringsdato IS NULL";
358     if (barcode != "")
359     SQL += " AND Udstyr.stregkode = '" + barcode + "' ";
360     if (name != "")
361     SQL += " AND Udstyr.Navn LIKE '%" + name + "%' ";
362     if (inits != "")
363     SQL += " AND Person.Initialer = '" + inits + "' ";
364    
365     CRecordset rs(&db);
366     rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
367     FillEquipmentVector(buffer,rs);
368     rs.Close();
369     }
370    
371     return buffer;
372     }
373    
374     // Developed by Torben H. Nielsen
375     void MySQLLayer::FillEquipmentVector(vector<Equipment> &buffer, CRecordset &rs)
376     {
377     CString barcode,name,description,placement,status;
378     if (rs.GetRecordCount()>0) {
379     rs.MoveFirst();
380     while (!rs.IsEOF() ) {
381     Equipment eq;
382     rs.GetFieldValue((short)0, eq.barcode);
383     rs.GetFieldValue(1, eq.name);
384     rs.GetFieldValue(2, eq.description);
385     rs.GetFieldValue(3, eq.placement);
386     rs.GetFieldValue(4, eq.status);
387    
388     buffer.push_back(eq);
389    
390     rs.MoveNext();
391     }
392     }
393     }
394     //Developed by Torben H. Nielsen
395     void MySQLLayer::checkReservations(CString barcode)
396     {
397     CString scount,status;
398     barcode.Replace("'","\"");
399     CString SQL = "SELECT count(*) FROM Resevation WHERE Resevation.Stregkode = '" + barcode + "'";
400     CRecordset rs(&db);
401     rs.Open(AFX_DB_USE_DEFAULT_TYPE,SQL);
402     rs.MoveFirst();
403     rs.GetFieldValue((short)0,scount);
404     int reservationCount = atoi(scount);
405     rs.Close();
406    
407     SQL = "SELECT status FROM Udstyr WHERE Udstyr.Stregkode = '" + barcode + "'";
408     rs.Open(AFX_DB_USE_DEFAULT_TYPE,SQL);
409     if (rs.GetRecordCount() >0) {
410     rs.MoveFirst();
411     rs.GetFieldValue((short)0,status);
412     }
413     rs.Close();
414    
415     if (reservationCount > 0 && status == "3") {//equipment is available and has at lease one reservation
416     SQL = "UPDATE Udstyr SET Status = 2 WHERE Stregkode = '" + barcode + "'";
417     db.ExecuteSQL(SQL);
418     }
419     }
420    
421     //Developed by Torben H. Nielsen
422     bool MySQLLayer::DeleteReservation(CString barcode, CString resid)
423     {
424     barcode.Replace("'","\"");
425     resid.Replace("'","\"");
426     CString SQL = "DELETE FROM Resevation WHERE resevationid = " + resid;
427     db.ExecuteSQL(SQL);
428     checkReservations(barcode);
429     return true;
430     }
431    

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