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121 lines
2.8 KiB
C++
121 lines
2.8 KiB
C++
#include "SQLApp.h"
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struct DateIntConvertCls : Convert {
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virtual Value Format(const Value& q) const;
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virtual Value Scan(const Value& text) const;
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virtual int Filter(int chr) const;
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};
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Value DateIntConvertCls::Format(const Value& q) const
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{
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return IsNull(q) ? String() : ::Format(Date(1970, 1, 1) + (int)q);
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}
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Value DateIntConvertCls::Scan(const Value& text) const
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{
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String txt = text;
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if(IsNull(txt))
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return Null;
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Date d;
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if(StrToDate(d, txt))
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return d - Date(1970, 1, 1);
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return ErrorValue("Invalid date!");
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}
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int DateIntConvertCls::Filter(int chr) const
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{
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return CharFilterDate(chr);
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}
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Convert& DateIntConvert()
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{
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return Single<DateIntConvertCls>();
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}
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class BorrowDlg : public WithBorrowLayout<TopWindow> {
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public:
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SqlCtrls ctrls;
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typedef BorrowDlg CLASSNAME;
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BorrowDlg();
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};
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BorrowDlg::BorrowDlg()
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{
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CtrlLayoutOKCancel(*this, "Book borrow record");
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ctrls
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(BORROWED, borrowed)
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(RETURNED, returned)
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(PERSON, person)
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;
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borrowed.SetConvert(DateIntConvert());
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borrowed <<= GetSysDate() - Date(1970, 1, 1);
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returned.SetConvert(DateIntConvert());
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}
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void SQLApp::NewBorrow()
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{
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if(!book.IsCursor())
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return;
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SQL * Select(ID).From(BORROW_RECORD)
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.Where(BOOK_ID == book.GetKey() && IsNull(RETURNED));
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if(SQL.Fetch() && !PromptYesNo("The book is still borrowed!&Continue?")) {
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borrowed.FindSetCursor(SQL[0]);
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return;
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}
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BorrowDlg dlg;
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if(dlg.Run() != IDOK)
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return;
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SQL * dlg.ctrls.Insert(BORROW_RECORD)(BOOK_ID, book.GetKey());
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borrowed.Query();
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borrowed.FindSetCursor(SQL.GetInsertedId());
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}
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void SQLApp::EditBorrow()
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{
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if(!book.IsCursor())
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return;
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int q = borrowed.GetKey();
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BorrowDlg dlg;
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SQL * Select(dlg.ctrls).From(BORROW_RECORD).Where(ID == q);
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if(!dlg.ctrls.Fetch(SQL))
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return;
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if(dlg.Run() != IDOK)
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return;
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SQL * dlg.ctrls.Update(BORROW_RECORD).Where(ID == q);
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borrowed.Query();
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borrowed.FindSetCursor(q);
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}
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void SQLApp::DeleteBorrow()
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{
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if(book.IsCursor() && PromptYesNo("Delete the borrow record?")) {
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SQL * Delete(BORROW_RECORD).Where(ID == book.GetKey());
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book.Query();
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}
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}
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void SQLApp::ReturnedToday()
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{
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if(borrowed.IsCursor() && IsNull(borrowed.Get(RETURNED)) && PromptYesNo("Mark as returned today?")) {
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int q = borrowed.GetKey();
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SQL * SqlUpdate(BORROW_RECORD)
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(RETURNED, GetSysDate() - Date(1970, 1, 1))
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.Where(ID == q && IsNull(RETURNED));
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borrowed.Query();
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borrowed.FindSetCursor(q);
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}
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}
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void SQLApp::BorrowMenu(Bar& bar)
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{
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bar.Add(book.IsCursor(), "New borrow record..", THISBACK(NewBorrow))
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.Key(K_ENTER);
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bar.Add(borrowed.IsCursor(), "Edit borrow record..", THISBACK(EditBorrow));
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bar.Add(borrowed.IsCursor(), "Delete borrow record", THISBACK(DeleteBorrow))
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.Key(K_DELETE);
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bar.Add(borrowed.IsCursor() && IsNull(borrowed.Get(RETURNED)), "Returned today",
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THISBACK(ReturnedToday))
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.Key(K_SPACE);
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}
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