public function levelDel(Request $request)
{
$level = $request->input("level");
$readerNum = Reader::where('level', '=', $level)->count();
if ($readerNum > 0) {
return redirect("/admin/levelManage")->with("msg", "还有用户在此等级，无法删除！");
}
$l = Level::find($level);
$l->delete();
return redirect("/admin/levelManage")->with("msg", "删除成功！");
}
public function infoSave(Request $request)
{
$username = $request->session()->get("username");
$user = User::where('username', '=', $username)->first();
if ($user == null) {
return redirect('home');
}
$reader = Reader::find($user['reader-id']);
$reader['reader-name'] = $request->input("reader-name");
$reader['sex'] = $request->input("sex");
$reader['birthday'] = $request->input("birthday");
$reader['phone'] = $request->input('phone');
$reader['mobile'] = $request->input('mobile');
$reader->save();
return redirect('/reader/info');
}
public function readerFoundAction(Request $request)
{
$id = $request->input('reader-id');
$reader = Reader::find($id);
if ($reader == null) {
return redirect('/admin/readerFound')->with("msg", "该读者证不存在，请重试！");
}
if ($reader['loss'] == false) {
return redirect('/admin/readerFound')->with("msg", "该读者证未挂失过！");
}
$reader['loss'] = false;
$reader->save();
return redirect('/admin/readerFound')->with("msg", "读者证" . $id . "解挂成功！");
}
public function bookBorrowAction(Request $request)
{
$date = date("Y-m-d");
$reader_id = $request->input("reader-id");
$isbn = $request->input("isbn");
$reader = Reader::find($reader_id);
//对输入信息进行检查
if ($reader == null) {
return redirect('/admin/bookBorrow')->with("msg", "读者证编号有误，请检查！");
}
if ($reader['loss'] == true) {
//挂失处理
return redirect('/admin/bookBorrow')->with("msg", "该借书证已挂失，请先解挂后再借书！");
}
$book = Book::where("isbn", '=', $isbn)->first();
if ($book == null) {
return redirect('/admin/bookBorrow')->with("msg", "图书ISBN有误，请检查！");
}
if ($book['quantity-in'] - $book['quantity-out'] - $book['quantity-loss'] < 1) {
return redirect('/admin/bookBorrow')->with("msg", "图书数量不足，请检查ISBN！");
}
$level = Level::find($reader['level']);
$borrowedBookNum = Borrow::where("reader-id", '=', $reader_id)->where("returned", '=', false)->where('loss', '<>', true)->get()->count();
if ($borrowedBookNum >= $level['numbers']) {
//借书数量限制
return redirect('/admin/bookBorrow')->with("msg", "该用户借书数量超过限制，请先归还部分图书！");
}
$book['quantity-out'] += 1;
$book->save();
$borrow = new Borrow();
$shouldReturnDate = date("Y-m-d", strtotime("+" . $level['days'] . " days"));
$borrow['reader-id'] = $reader_id;
$borrow['book-id'] = $book['book-id'];
$borrow['date-borrow'] = $date;
$borrow['date-should-return'] = $shouldReturnDate;
$borrow->save();
return redirect('/admin/bookBorrow')->with("msg", "借阅成功！");
}
