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/*
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* Primary developers: Hedin & Kevin
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*/
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#include "StdAfx.h"
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#include ".\databaselayer.h"
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DatabaseLayer::DatabaseLayer(void)
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{
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db.OpenEx("ODBC; Description=; DRIVER=SQL Server; SERVER=TK-Teacher; UID=GroupTwo; PWD=toog30", CDatabase::noOdbcDialog);
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db.ExecuteSQL("USE GroupTwo");
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}
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DatabaseLayer::~DatabaseLayer(void)
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{
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db.Close();
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}
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vector<Person> DatabaseLayer::GetPersonAll(void)
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{
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vector<Person> buffer;
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CString id, inits, name, isadmin, pass;
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CRecordset rs(&db);
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rs.Open(AFX_DB_USE_DEFAULT_TYPE, "SELECT PersonID, Initialer, Navn, Admin, Pass FROM Person ORDER BY Initialer DESC");
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while(!rs.IsEOF())
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{
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rs.GetFieldValue((short)0,id);
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rs.GetFieldValue(1,inits);
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rs.GetFieldValue(2,name);
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rs.GetFieldValue(3,isadmin);
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rs.GetFieldValue(4,pass);
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Person p;
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p.id = id;
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p.inits = inits;
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p.name = name;
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p.isadmin = (isadmin == 1);
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p.pass = pass;
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buffer.push_back(p);
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rs.MoveNext();
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}
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rs.Close();
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return buffer;
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}
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Person DatabaseLayer::GetPerson(CString wantInits)
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{
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CString id, inits, name, isadmin, pass;
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CString SQL;
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Person p;
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//FIX SQL INJECTION
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SQL = "SELECT PersonID, Initialer, Navn, Admin, Pass FROM Person WHERE (Initialer = '" + wantInits + "')";
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CRecordset rs(&db);
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rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
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if(!rs.IsEOF() )
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{
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rs.GetFieldValue((short)0,id);
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rs.GetFieldValue(1,inits);
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rs.GetFieldValue(2,name);
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rs.GetFieldValue(3,isadmin);
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rs.GetFieldValue(4,pass);
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p.id = id;
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p.inits = inits;
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p.name = name;
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p.isadmin = (isadmin == "1");
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p.pass = pass;
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}
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return p;
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}
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bool DatabaseLayer::AddPerson(Person NewPerson)
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{
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CString SQL;
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SQL.Format("INSERT into Person(Initialer, Navn, Admin, Pass) VALUES('%s', '%s', '%d', '%s')",NewPerson.inits, NewPerson.name, NewPerson.isadmin, NewPerson.pass);
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db.ExecuteSQL(SQL);
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return true;
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}
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bool DatabaseLayer::UpdatePerson(Person ChangePerson)
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{
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CString SQL;
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SQL.Format("UPDATE Person SET Initialer = '%s', Navn = '%s', Pass = '%s', Admin = '%d' WHERE PersonID = '%s'", ChangePerson.inits, ChangePerson.name, ChangePerson.pass, ChangePerson.isadmin, ChangePerson.id);
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db.ExecuteSQL(SQL);
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return true;
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}
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bool DatabaseLayer::DeletePerson(Person RemovePerson)
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{
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CString SQL;
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SQL.Format("DELETE FROM Person WHERE PersonID = '%s'", RemovePerson.id);
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db.ExecuteSQL(SQL);
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return true;
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}
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bool DatabaseLayer::ReturnEquipment(CString barcode)
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{
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CString SQL;
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SQL.Format("UPDATE Udstyr SET Status = '3' WHERE Stregkode= '%s'", barcode);
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db.ExecuteSQL(SQL);
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SQL.Format("UPDATE Udlån SET Afleveringsdato = Getdate() WHERE Stregkode= '%s' AND Afleveringsdato IS NULL ", barcode);
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db.ExecuteSQL(SQL);
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checkReservations(barcode);
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return true;
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}
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bool DatabaseLayer::CheckoutEquipment(Person CheckPersID, Equipment CheckEquip, int Numdays)
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{
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CString SQL;
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SQL.Format("UPDATE Udstyr SET Status = '1' WHERE Stregkode = '%s' ", CheckEquip.barcode);
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db.ExecuteSQL(SQL);
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SQL.Format("INSERT INTO Udlån (PersonID, Stregkode, Startdato, Antaldage) VALUES( '%s','%s', GetDate(),'%d')", CheckPersID.id, CheckEquip.barcode, Numdays);
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db.ExecuteSQL(SQL);
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return true;
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}
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bool DatabaseLayer::EquipmentReservation(CString barcode, Person CheckPerson)
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{
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CString SQL;
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SQL.Format("INSERT INTO Resevation (PersonID, Stregkode, Startdato) VALUES( '%s','%s', GetDate())", CheckPerson.id, barcode);
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db.ExecuteSQL(SQL);
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checkReservations(barcode);
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return true;
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}
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bool DatabaseLayer::UpdateEquipment(Equipment CheckEquip)
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{
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CString SQL;
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SQL.Format("UPDATE Udstyr SET Navn = '%s', Beskrivelse = '%s', Placering = '%s', Status = '%s' WHERE Stregkode = '%s'", CheckEquip.name, CheckEquip.description, CheckEquip.placement, CheckEquip.status, CheckEquip.barcode);
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db.ExecuteSQL(SQL);
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return true;
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}
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bool DatabaseLayer::AddEquipment(Equipment AddEquip)
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{
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CString SQL;
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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");
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db.ExecuteSQL(SQL);
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return true;
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}
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vector<Equipment> DatabaseLayer::GetEquipmentAll(void)
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{
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vector<Equipment> buffer;
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CString barcode, name, description, placement, status;
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CRecordset rs(&db);
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rs.Open(AFX_DB_USE_DEFAULT_TYPE, "SELECT Stregkode, Navn, Beskrivelse, Placering, Status FROM Udstyr");
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while(!rs.IsEOF())
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{
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rs.GetFieldValue((short)0,barcode);
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rs.GetFieldValue(1,name);
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rs.GetFieldValue(2,description);
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rs.GetFieldValue(3,placement);
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rs.GetFieldValue(4,status);
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Equipment p;
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p.barcode = barcode;
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p.name = name;
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p.description = description;
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p.placement = placement;
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p.status = status;
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buffer.push_back(p);
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rs.MoveNext();
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}
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rs.Close();
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return buffer;
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}
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Equipment DatabaseLayer::GetEquipment(CString wantBarcode)
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{
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CString barcode,name,description,placement,status;
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CString SQL;
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Equipment e;
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SQL.Format("SELECT Stregkode,Navn,Udstyr.Beskrivelse,Placering,Status.Beskrivelse FROM Udstyr INNER JOIN Status ON Udstyr.Status = Status.StatusID Where (Stregkode = '%s')", wantBarcode);
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CRecordset rs(&db);
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rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
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if (!rs.IsEOF() )
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{
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rs.GetFieldValue((short)0,barcode);
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rs.GetFieldValue(1,name);
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rs.GetFieldValue(2,description);
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rs.GetFieldValue(3,placement);
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rs.GetFieldValue(4,status);
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e.barcode = barcode;
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e.name = name;
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e.description = description;
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e.placement = placement;
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e.status = status;
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}
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rs.Close();
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return e;
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}
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bool DatabaseLayer::DeleteEquipment(Equipment DelEquip)
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{
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CString SQL;
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SQL.Format("DELETE FROM Udstyr WHERE Stregkode = '%s'", DelEquip.barcode);
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db.ExecuteSQL(SQL);
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return true;
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}
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// Developed by Torben H. Nielsen
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vector<Equipment> DatabaseLayer::Search(CString barcode, CString name, CString inits, bool available, bool reserved, bool deposited)
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{
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vector<Equipment> buffer;
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//here are the wanted equipments found through 3 seperate queries - I could also
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//find them all in one query where I joined the 3 selects via a UNION
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CString SQL;
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if (available == true) {
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SQL = "SELECT DISTINCT Udstyr.stregkode,Udstyr.Navn,Udstyr.Beskrivelse,Udstyr.Placering,Status.Beskrivelse \
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FROM Udstyr \
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INNER JOIN Status ON Udstyr.status = Status.StatusID WHERE Udstyr.Status = 3 ";
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if (barcode != "")
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SQL += " AND Udstyr.stregkode = '" + barcode + "' ";
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if (name != "")
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SQL += " AND Udstyr.Navn LIKE '%" + name + "%' ";
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CRecordset rs(&db);
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rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
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FillEquipmentVector(buffer,rs);
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rs.Close();
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}
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if (reserved == true) {
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SQL = "SELECT DISTINCT Udstyr.stregkode,Udstyr.Navn,Udstyr.Beskrivelse,Udstyr.Placering,Status.Beskrivelse \r\n\
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FROM Udstyr \r\n\
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INNER JOIN Status ON Udstyr.status = Status.StatusID \r\n\
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INNER JOIN Resevation ON Udstyr.Stregkode = Resevation.stregkode \r\n\
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INNER JOIN Person ON Resevation.PersonID = Person.PersonID\r\n\
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WHERE ( Udstyr.Status = 2 OR Person.Initialer = '" + inits + "') ";
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if (barcode != "")
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SQL += " AND Udstyr.stregkode = '" + barcode + "' ";
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if (name != "")
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SQL += " AND Udstyr.Navn LIKE '%" + name + "%' ";
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//if (inits != "")
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// SQL += " AND Person.Initialer = '" + inits + "' ";
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CRecordset rs(&db);
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rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
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FillEquipmentVector(buffer,rs);
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rs.Close();
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}
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if (deposited == true) {
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SQL = "SELECT DISTINCT Udstyr.stregkode,Udstyr.Navn,Udstyr.Beskrivelse,Udstyr.Placering,Status.Beskrivelse \r\n\
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FROM Udstyr \r\n\
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INNER JOIN Status ON Udstyr.status = Status.StatusID \r\n\
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INNER JOIN Udlån ON Udstyr.Stregkode = Udlån.stregkode \r\n\
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INNER JOIN Person ON Udlån.PersonID = person.PersonID\r\n\
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WHERE Udstyr.Status = 1 \r\n\
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AND Udlån.Afleveringsdato IS NULL";
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if (barcode != "")
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SQL += " AND Udstyr.stregkode = '" + barcode + "' ";
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if (name != "")
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SQL += " AND Udstyr.Navn LIKE '%" + name + "%' ";
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if (inits != "")
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SQL += " AND Person.Initialer = '" + inits + "' ";
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CRecordset rs(&db);
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rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
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FillEquipmentVector(buffer,rs);
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rs.Close();
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}
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torben |
26 |
// now I have the equipment rows the user asked for, now I need some more checkout and
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// reservation data for each piece of equipment
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for (int i=0; i<buffer.size(); i++) {
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//fill Equipment::checkouts
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SQL = "SELECT TOP 10 Udlån.StartDato, Udlån.Afleveringsdato,Udlån.Antaldage, Person.Initialer\
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FROM Udlån\
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INNER JOIN Person ON Udlån.PersonID = Person.PersonID ";
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SQL += "WHERE Udlån.Stregkode = " + buffer[i].barcode + " ORDER BY STARTDATO DESC";
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CRecordset rs(&db);
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rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
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if (rs.GetRecordCount()>0) {
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rs.MoveFirst();
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while ( !rs.IsEOF() ) {
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Checkout check;
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rs.GetFieldValue((short)0, check.startdate);
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rs.GetFieldValue(1, check.enddate);
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rs.GetFieldValue(2, check.numdays);
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rs.GetFieldValue(3, check.inits);
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buffer[i].checkouts.push_back(check);
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rs.MoveNext();
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}
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}
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rs.Close();
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// fill Equipment::reservations
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torben |
27 |
SQL = "SELECT Resevation.ResevationID, Resevation.StartDato, Person.Initialer\
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17 |
FROM Resevation\
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INNER JOIN Person ON Resevation.PersonID = Person.PersonID ";
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SQL += "WHERE Resevation.Stregkode = " + buffer[i].barcode + " ORDER BY STARTDATO ASC";
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rs.Open(AFX_DB_USE_DEFAULT_TYPE, SQL);
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if (rs.GetRecordCount()>0) {
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rs.MoveFirst();
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while ( !rs.IsEOF() ) {
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Reservation res;
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torben |
25 |
rs.GetFieldValue((short)0, res.reservationID);
|
| 323 |
|
|
rs.GetFieldValue(1, res.startdate);
|
| 324 |
torben |
27 |
rs.GetFieldValue(2, res.inits);
|
| 325 |
torben |
17 |
|
| 326 |
|
|
buffer[i].reservations.push_back(res);
|
| 327 |
|
|
rs.MoveNext();
|
| 328 |
|
|
}
|
| 329 |
|
|
}
|
| 330 |
|
|
rs.Close();
|
| 331 |
|
|
}
|
| 332 |
|
|
|
| 333 |
|
|
return buffer;
|
| 334 |
|
|
}
|
| 335 |
|
|
|
| 336 |
|
|
// Developed by Torben H. Nielsen
|
| 337 |
|
|
void DatabaseLayer::FillEquipmentVector(vector<Equipment> &buffer, CRecordset &rs)
|
| 338 |
|
|
{
|
| 339 |
|
|
CString barcode,name,description,placement,status;
|
| 340 |
|
|
if (rs.GetRecordCount()>0) {
|
| 341 |
|
|
rs.MoveFirst();
|
| 342 |
|
|
while (!rs.IsEOF() ) {
|
| 343 |
|
|
Equipment eq;
|
| 344 |
|
|
rs.GetFieldValue((short)0, eq.barcode);
|
| 345 |
|
|
rs.GetFieldValue(1, eq.name);
|
| 346 |
|
|
rs.GetFieldValue(2, eq.description);
|
| 347 |
|
|
rs.GetFieldValue(3, eq.placement);
|
| 348 |
|
|
rs.GetFieldValue(4, eq.status);
|
| 349 |
|
|
|
| 350 |
|
|
buffer.push_back(eq);
|
| 351 |
|
|
|
| 352 |
|
|
rs.MoveNext();
|
| 353 |
|
|
}
|
| 354 |
|
|
}
|
| 355 |
|
|
}
|
| 356 |
torben |
31 |
//Developed by Torben H. Nielsen
|
| 357 |
torben |
27 |
void DatabaseLayer::checkReservations(CString barcode)
|
| 358 |
|
|
{
|
| 359 |
|
|
CString scount,status;
|
| 360 |
|
|
CString SQL = "SELECT count(*) FROM Resevation WHERE Resevation.Stregkode = '" + barcode + "'";
|
| 361 |
|
|
CRecordset rs(&db);
|
| 362 |
|
|
rs.Open(AFX_DB_USE_DEFAULT_TYPE,SQL);
|
| 363 |
|
|
rs.MoveFirst();
|
| 364 |
|
|
rs.GetFieldValue((short)0,scount);
|
| 365 |
|
|
int reservationCount = atoi(scount);
|
| 366 |
|
|
rs.Close();
|
| 367 |
|
|
|
| 368 |
|
|
SQL = "SELECT status FROM Udstyr WHERE Udstyr.Stregkode = '" + barcode + "'";
|
| 369 |
|
|
rs.Open(AFX_DB_USE_DEFAULT_TYPE,SQL);
|
| 370 |
|
|
if (rs.GetRecordCount() >0) {
|
| 371 |
|
|
rs.MoveFirst();
|
| 372 |
|
|
rs.GetFieldValue((short)0,status);
|
| 373 |
|
|
}
|
| 374 |
|
|
rs.Close();
|
| 375 |
|
|
|
| 376 |
torben |
36 |
if (reservationCount > 0 && status == "3") {//equipment is available and has at lease one reservation
|
| 377 |
torben |
27 |
SQL = "UPDATE Udstyr SET Status = 2 WHERE Stregkode = '" + barcode + "'";
|
| 378 |
|
|
db.ExecuteSQL(SQL);
|
| 379 |
|
|
}
|
| 380 |
|
|
}
|
| 381 |
|
|
|
| 382 |
torben |
31 |
//Developed by Torben H. Nielsen
|
| 383 |
torben |
27 |
bool DatabaseLayer::DeleteReservation(CString barcode, CString resid)
|
| 384 |
|
|
{
|
| 385 |
|
|
CString SQL = "DELETE FROM Resevation WHERE resevationid = " + resid;
|
| 386 |
|
|
db.ExecuteSQL(SQL);
|
| 387 |
|
|
checkReservations(barcode);
|
| 388 |
|
|
return true;
|
| 389 |
|
|
}
|
| 390 |
|
|
|
Parent Directory
| 
Revision Log