/*
* public void SetBooks(List<Entity> entities)
* {
* EntityCollection collection = new EntityCollection();
* foreach(var entity in entities)
* {
* // TODO: 是否克隆 Entity?
* entity.Container = collection;
* collection.Add(entity);
* }
* books.SetSource(collection);
* }
*/
public void SetBooks(EntityCollection collection)
{
books.SetSource(collection);
// 后台处理刷新
var task = ShelfData.FillBookFields(collection, _cancel.Token, false);
}
/*
* public void SetBooks(List<Entity> entities)
* {
* EntityCollection collection = new EntityCollection();
* foreach(var entity in entities)
* {
* // TODO: 是否克隆 Entity?
* entity.Container = collection;
* collection.Add(entity);
* }
* books.SetSource(collection);
* }
*/
public void SetBooks(EntityCollection collection)
{
books.SetSource(collection);
// 后台处理刷新
var task = ShelfData.FillBookFieldsAsync(collection, _cancel.Token, "refreshData" /*, false*/);
}
// 将指定门的暂存的信息保存为 Action。但并不立即提交
public async static Task SaveDoorActions(DoorItem door, bool clearOperator)
{
var result = await ShelfData.SaveActions((entity) =>
{
var results = DoorItem.FindDoors(ShelfData.Doors, entity.ReaderName, entity.Antenna);
// TODO: 如果遇到 results.Count > 1 是否抛出异常?
if (results.Count > 1)
{
WpfClientInfo.WriteErrorLog($"读卡器名 '{entity.ReaderName}' 天线编号 {entity.Antenna} 匹配上 {results.Count} 个门");
throw new Exception($"读卡器名 '{entity.ReaderName}' 天线编号 {entity.Antenna} 匹配上 {results.Count} 个门。请检查 shelf.xml 并修正配置此错误，确保只匹配一个门");
}
if (results.IndexOf(door) != -1)
{
return(door.Operator);
// return GetOperator(entity);
}
return(null);
});
if (result.Value == -1)
{
SetGlobalError("save_actions", $"SaveDoorActions() 出错: {result.ErrorInfo}");
PageShelf.TrySetMessage(null, $"SaveDoorActions() 出错: {result.ErrorInfo}。这是一个严重错误，请管理员及时介入处理");
}
else
{
SetGlobalError("save_actions", null);
}
// 2019/12/21
if (clearOperator == true && door.State == "close")
{
door.Operator = null; // 清掉门上的操作者名字
}
}
// 从 _entityList 中取出一批事项进行处理。由于是复制出来处理的，所以整个处理过程中(除了取出和最后删除的瞬间)不用对 _entityList 加锁
// 对每一个事项，要进行如下处理：
// 1) 获得册记录和书目摘要
// 2) 尝试请求还书
// 3) 请求设置 UID
// 4) 修改 currentLocation 和 location
static async Task ProcessingAsync()
{
var list = CopyList();
foreach (var state in list)
{
// state.State = "???";
try
{
if (state.NewState == "open")
{
continue;
}
Debug.Assert(state.NewState == "close");
List <ActionInfo> actions = null;
try
{
DateTime start = DateTime.Now;
var result = await ShelfData.RefreshInventoryAsync(state.Door);
WpfClientInfo.WriteInfoLog($"针对门 {state.Door.Name} 执行 RefreshInventoryAsync() 耗时 {(DateTime.Now - start).TotalSeconds.ToString()}");
start = DateTime.Now;
// 2020/4/21 把这两句移动到 try 范围内
await SaveDoorActions(state.Door, true);
WpfClientInfo.WriteInfoLog($"针对门 {state.Door.Name} 执行 SaveDoorActions() 耗时 {(DateTime.Now - start).TotalSeconds.ToString()}");
start = DateTime.Now;
actions = ShelfData.PullActions();
WpfClientInfo.WriteInfoLog($"针对门 {state.Door.Name} 执行 PullActions() 耗时 {(DateTime.Now - start).TotalSeconds.ToString()}");
}
finally
{
state.Door.DecWaiting();
//WpfClientInfo.WriteInfoLog($"--decWaiting() door '{e.Door.Name}' state changed");
}
// 注: 调用完成后门控件上的 +- 数字才会消失
var task = PageMenu.PageShelf.DoRequestAsync(actions, "");
App.SetError("processing", null);
}
catch (Exception ex)
{
WpfClientInfo.WriteErrorLog($"ProcessingAsync() 出现异常: {ExceptionUtil.GetDebugText(ex)}");
App.SetError("processing", $"ProcessingAsync() 出现异常: {ex.Message}");
}
finally
{
// state.State = "";
}
}
// 把处理过的 entity 从 list 中移走
RemoveList(list);
// 2020/11/21
// 如果发现队列里面又有新的对象，则立即激活任务
if (GetListCount() > 0)
{
ActivateTask();
}
}
// return.Value:
// -1 出错
// 0 读者记录没有找到
// 1 成功
public static GetReaderInfoResult GetReaderInfo(string pii)
{
/*
* reader_xml = "";
* recpath = "";
* timestamp = null;
*/
if (string.IsNullOrEmpty(App.dp2ServerUrl) == true)
{
return new GetReaderInfoResult
{
Value = -1,
ErrorInfo = "dp2library 服务器 URL 尚未配置，无法获得读者信息"
}
}
;
LibraryChannel channel = App.CurrentApp.GetChannel();
var old_timeout = channel.Timeout;
channel.Timeout = TimeSpan.FromSeconds(5); // 设置 5 秒超时，避免等待太久
try
{
int nRedoCount = 0;
REDO:
long lRet = channel.GetReaderInfo(null,
pii,
"advancexml", // "xml",
out string[] results,
out string recpath,
out byte[] timestamp,
out string strError);
if (lRet == -1 || lRet == 0)
{
// 2020/4/24 增加一次重试机会
if (lRet == -1 &&
(channel.ErrorCode == ErrorCode.RequestCanceled || channel.ErrorCode == ErrorCode.RequestError) &&
nRedoCount < 2)
{
nRedoCount++;
goto REDO;
}
// 如果发生通讯失败，则主动重新探测一次网络状况
if (channel.ErrorCode == ErrorCode.RequestCanceled || channel.ErrorCode == ErrorCode.RequestError)
{
ShelfData.DetectLibraryNetwork();
}
return(new GetReaderInfoResult
{
Value = (int)lRet,
ErrorInfo = strError,
RecPath = recpath,
Timestamp = timestamp
});
}
// 2019/12/19
// 命中读者记录多于一条
if (lRet > 1)
{
return(new GetReaderInfoResult
{
Value = -1,
ErrorInfo = $"装载读者记录失败：'{pii}' 检索命中读者记录 {lRet} 条"
});
}
string reader_xml = "";
if (results != null && results.Length > 0)
{
reader_xml = results[0];
}
return(new GetReaderInfoResult
{
Value = 1,
RecPath = recpath,
Timestamp = timestamp,
ReaderXml = reader_xml
});
}
finally
{
channel.Timeout = old_timeout;
App.CurrentApp.ReturnChannel(channel);
}
}
// 刷新显示
// 把 actions 中的对象的状态变化更新到当前文档中
// TODO: 一个办法是整个 Paragraph 替换。一个办法只替换里面的部分 InLine 对象
// parameters:
// actions 发生了状态改变的 action。也就是被执行同步了的 action
// skipped 被跳过了(没有处理的) action
public void Refresh(List <ActionInfo> actions)
{
// 更新 _actions 中的对象
int count = 0;
foreach (var action in actions)
{
var old_action = _actions.Where(o => o.ID == action.ID).FirstOrDefault();
if (old_action != null)
{
int index = _actions.IndexOf(old_action);
Debug.Assert(index != -1, "");
if (index != -1)
{
_actions.RemoveAt(index);
_actions.Insert(index, action);
count++;
}
}
}
if (count == 0)
{
return;
}
{
// 检查超额图书
List <string> overflow_titles = new List <string>();
_actions.ForEach(item =>
{
if (item.Action == "borrow" && item.SyncErrorCode == "overflow")
{
overflow_titles.Add($"{ShortTitle(item.Entity.Title)} [{ShelfData.GetPiiString(item.Entity)}]");
}
});
// 显示超额的信息
if (overflow_titles.Count > 0)
{
// 定位 Paragraph
var block = this.Blocks.Where(o =>
{
if (!(o.Tag is string id))
{
return(false);
}
return(id == OVERFLOW_ID);
}).FirstOrDefault();
// block 不应为 null。替代方法：
if (block == null)
{
// TODO: 在适当位置插入标志段落
throw new Exception("#overflow 标志段落没有找到");
}
var p = BuildOverflowParagraph(overflow_titles);
this.Blocks.InsertBefore(block, p);
this.Blocks.Remove(block);
// 获得人名
List <string> names = new List <string>();
{
actions.ForEach((o) =>
{
if (o.Operator != null)
{
names.Add(string.IsNullOrEmpty(o.Operator.PatronName) ? o.Operator.PatronBarcode : o.Operator.PatronName);
}
});
StringUtil.RemoveDupNoSort(ref names);
}
// 语音提醒
// 针对同一个人，短时间内密集提醒要注意避免
if (HasOverflowSpeaked(StringUtil.MakePathList(names), TimeSpan.FromSeconds(30)) == false)
{
App.CurrentApp.SpeakSequence("警告：借书超额");
}
}
}
foreach (var action in actions)
{
// 定位 Paragraph
var block = this.Blocks.Where(o =>
{
if (!(o.Tag is ParagraphInfo info))
{
return(false);
}
return(info.Action.ID == action.ID);
})
.FirstOrDefault();
if (block == null)
{
continue;
}
// 替换 Paragraph
{
if (!(block.Tag is ParagraphInfo old_info))
{
continue;
}
var new_block = BuildParagraph(action, old_info.Index, this.BaseFontSize, this.BuildStyle);
this.Blocks.InsertBefore(block, new_block);
this.Blocks.Remove(block);
}
}
}
public static Paragraph BuildParagraph(
ActionInfo action,
int index,
double baseFontSize,
string style)
{
// 是否显示 transfer (in) 条目。注意，即便 false, 也要显示 transfer (out) 条目的
bool display_transfer = StringUtil.IsInList("transfer", style);
if (action.Action.StartsWith("transfer") && action.TransferDirection == "in" &&
display_transfer == false)
{
return(null);
}
var p = new Paragraph();
p.FontFamily = new FontFamily("微软雅黑");
p.FontSize = baseFontSize;
// p.FontStyle = FontStyles.Italic;
p.TextAlignment = TextAlignment.Left;
p.Foreground = Brushes.Gray;
// p.LineHeight = 18;
p.TextIndent = -20;
p.Margin = new Thickness(10, 0, 0, 8); // 10,0,0,8
p.Tag = new ParagraphInfo {
Action = action, Index = index
}; // 记忆下来后面刷新事项的时候可以用到
// 序号
p.Inlines.Add(new Run($"{(index + 1).ToString()}) "));
Brush back = Brushes.Transparent;
// 状态
{
// 等待动画
if (string.IsNullOrEmpty(action.State))
{
var image = new FontAwesome.WPF.ImageAwesome();
image.Icon = FontAwesome.WPF.FontAwesomeIcon.Spinner;
image.Spin = true;
image.SpinDuration = 5;
image.Height = baseFontSize * 2.0;
image.Foreground = Brushes.DarkGray;
var container = new InlineUIContainer(image);
container.Name = "image_id";
p.Inlines.Add(container);
}
else if (action.SyncErrorCode == "overflow")
{
back = Brushes.DarkRed;
p.Inlines.Add(new Run
{
Text = " 超额 ",
Background = back,
Foreground = Brushes.White
});
}
else if (action.State == "sync")
{
back = Brushes.DarkGreen;
p.Inlines.Add(new Run
{
Text = " 成功 ",
Background = back,
Foreground = Brushes.White
});
}
else if (action.SyncErrorCode == "skipped")
{
back = Brushes.DeepSkyBlue;
p.Inlines.Add(new Run
{
Text = $" 暂时跳过同步 ",
Background = back,
Foreground = Brushes.White
});
}
else if (action.State == "commerror" || action.State == "normalerror")
{
if (ShelfData.LibraryNetworkCondition == "Bad")
{
back = Brushes.DeepSkyBlue;
}
else
{
back = Brushes.DarkRed;
}
p.Inlines.Add(new Run
{
Text = $" 同步失败({action.State}) ",
Background = back,
Foreground = Brushes.White
});
}
else if (action.State == "dontsync")
{
back = Brushes.DarkBlue;
p.Inlines.Add(new Run
{
Text = $" 不再同步 ",
Background = back,
Foreground = Brushes.White
});
}
else
{
back = Brushes.DarkRed;
p.Inlines.Add(new Run
{
Text = $" {action.State} ",
Background = back,
Foreground = Brushes.White
});
}
}
// 转移方向
if (action.Action.StartsWith("transfer")
/*&& string.IsNullOrEmpty(action.TransferDirection) == false*/)
{
p.Inlines.Add(new Run
{
Text = GetTransferDirCaption(action.TransferDirection, action.Location) + " ",
Foreground = Brushes.White
});
}
else
{
// 操作名称
p.Inlines.Add(new Run
{
Text = GetOperationCaption(action.Action) + " ",
Foreground = Brushes.White
});
}
string title = "";
if (action.Entity != null)
{
title = MessageDocument.ShortTitle(action.Entity.Title);
// 2020/5/6
// 尝试从本地缓存中获取书目摘要
if (string.IsNullOrEmpty(title))
{
title = LibraryChannelUtil.GetBiblioSummaryFromLocal(action.Entity.GetOiPii(true));
}
if (string.IsNullOrEmpty(title))
{
title = ShelfData.GetPiiString(action.Entity);
}
else
{
// 2020/7/22
title = $"[{ShelfData.GetPiiString(action.Entity)}] {title}";
}
}
else
{
title = "(action.Entity 为空)";
}
// 书目摘要
if (string.IsNullOrEmpty(title) == false)
{
Run run = new Run(title);
/*
* run.FontSize = 14;
* run.FontStyle = FontStyles.Normal;
* run.Background = Brushes.DarkRed;
* run.Foreground = Brushes.White;
*/
p.Inlines.Add(run);
}
// 对于上架/下架来说，还要补充显示一些细节信息：location 去向；和 currentLocation 去向
if (action.Action.StartsWith("transfer"))
{
List <string> details = new List <string>();
if (string.IsNullOrEmpty(action.Location) == false)
{
details.Add($"调拨到:{action.Location}");
}
if (string.IsNullOrEmpty(action.CurrentShelfNo) == false)
{
details.Add($"新架位:{action.CurrentShelfNo}");
}
p.Inlines.Add(new Run
{
Text = " " + StringUtil.MakePathList(details, " ") + " ",
Foreground = Brushes.Green
});
}
// 错误码和错误信息
if (string.IsNullOrEmpty(action.SyncErrorInfo) == false &&
(action.State != "sync" || action.SyncErrorCode == "overflow"))
{
p.Inlines.Add(new Run
{
Text = "\r\n" + action.SyncErrorInfo,
Background = back,
Foreground = Brushes.White
});
}
return(p);
}
public static SubmitDocument Build(List <ActionInfo> actions,
double baseFontSize,
string style)
{
SubmitDocument doc = new SubmitDocument();
doc.BaseFontSize = baseFontSize;
doc.BuildStyle = style;
// 保存起来
doc._actions.Clear();
doc._actions.AddRange(actions);
bool display_transfer = StringUtil.IsInList("transfer", style);
// 第一部分，总结信息
List <string> names = new List <string>();
{
actions.ForEach((o) =>
{
if (o.Operator != null)
{
names.Add(string.IsNullOrEmpty(o.Operator.PatronName) ? o.Operator.PatronBarcode : o.Operator.PatronName);
}
});
StringUtil.RemoveDupNoSort(ref names);
}
int return_count = actions.FindAll((o) => { return(o.Action == "return"); }).Count;
int borrow_count = actions.FindAll((o) => { return(o.Action == "borrow"); }).Count;
// 修改了 currentLocation 并且向内转移的数量
int change_currentLocation_count = actions
.FindAll((o) =>
{
return(o.Action.StartsWith("transfer") &&
string.IsNullOrEmpty(o.CurrentShelfNo) == false &&
o.TransferDirection == "in");
})
.Count;
// 修改了 location 的数量。这个意味着发生了调拨
int change_location_count = actions
.FindAll(o => { return(o.Action.StartsWith("transfer") && string.IsNullOrEmpty(o.Location) == false); })
.Count;
// (工作人员)普通下架。特点是去向不明，但至少知道这些图书是离开书柜了
int transferout_count = actions
.FindAll(o => { return(o.Action.StartsWith("transfer") && o.TransferDirection == "out"); })
.Count;
// 总结一下涉及到的门
var door_names = ShelfData.GetDoorName(actions);
/*
* int succeed_count = actions.FindAll((o) => { return o.ResultType == "succeed" || string.IsNullOrEmpty(o.ResultType); }).Count;
* int error_count = items.FindAll((o) => { return o.ResultType == "error"; }).Count;
* int warning_count = items.FindAll((o) => { return o.ResultType == "warning"; }).Count;
* int information_count = 0;
* if (display_transfer == false)
* information_count = items.FindAll((o) => { return o.ResultType == "information" && o.Operation != "transfer"; }).Count;
* else
* information_count = items.FindAll((o) => { return o.ResultType == "information"; }).Count;
*
* // 检查超额图书
* List<string> overflow_titles = new List<string>();
* items.ForEach(item =>
* {
* if (item.Operation == "borrow" && item.ErrorCode == "overflow")
* overflow_titles.Add($"{ShortTitle(item.Entity.Title)} [{item.Entity.PII}]");
* });
*/
{
var p = new Paragraph();
p.FontFamily = new FontFamily("微软雅黑");
p.FontSize = baseFontSize;
p.TextAlignment = TextAlignment.Center;
p.Foreground = Brushes.Gray;
// p.TextIndent = -20;
p.Margin = new Thickness(0, 0, 0, baseFontSize /*18*/);
doc.Blocks.Add(p);
if (borrow_count
+ return_count
+ change_currentLocation_count
+ change_location_count
+ transferout_count > 0)
{
List <string> lines = new List <string>();
if (return_count > 0)
{
lines.Add($"还书 {return_count}");
}
if (borrow_count > 0)
{
lines.Add($"借书 {borrow_count}");
}
REDO:
if (display_transfer && change_currentLocation_count > 0)
{
lines.Add($"上架 {change_currentLocation_count}");
}
if (display_transfer && change_location_count > 0)
{
lines.Add($"调拨 {change_location_count}");
}
if (display_transfer && transferout_count > 0)
{
lines.Add($"下架 {transferout_count}");
}
if (lines.Count == 0 && display_transfer == false)
{
display_transfer = true;
// 修正 style，便于 Refresh() 时候使用新的 style
StringUtil.SetInList(ref style, "transfer", true);
doc.BuildStyle = style;
goto REDO;
}
p.Inlines.Add(new Run
{
Text = $"{StringUtil.MakePathList(names)}",
//Background = Brushes.DarkRed,
//Foreground = Brushes.White
FontFamily = new FontFamily("楷体"),
FontSize = baseFontSize * 5.5, // 3.5,
// FontWeight = FontWeights.Bold,
Foreground = Brushes.White,
});
if (door_names.Count > 0)
{
p.Inlines.Add(new Run
{
Text = $"\r\n({StringUtil.MakePathList(door_names)})",
//Background = Brushes.DarkRed,
Foreground = Brushes.Green,
// FontFamily = new FontFamily("楷体"),
FontSize = baseFontSize * 2.0, // 1.0
// FontWeight = FontWeights.Bold,
});
}
p.Inlines.Add(new Run
{
Text = $"\r\n{StringUtil.MakePathList(lines, ", ")}\r\n",
//Background = Brushes.DarkRed,
//Foreground = Brushes.White
FontSize = baseFontSize * 3.0, // * 1.2,
Foreground = Brushes.White,
});
App.CurrentApp.SpeakSequence(StringUtil.MakePathList(lines, ", "));
}
#if NO
if (error_count > 0)
{
p.Inlines.Add(new Run
{
Text = $" 错误 {error_count} ",
Background = Brushes.DarkRed,
Foreground = Brushes.White
});
}
if (warning_count > 0)
{
p.Inlines.Add(new Run
{
Text = $" 警告 {warning_count} ",
Background = Brushes.DarkGoldenrod,
Foreground = Brushes.White
});
}
if (information_count > 0)
{
p.Inlines.Add(new Run
{
Text = $" 信息 {information_count} ",
Background = Brushes.Gray,
Foreground = Brushes.White
});
}
if (succeed_count > 0)
{
p.Inlines.Add(new Run
{
Text = $" 成功 {succeed_count} ",
Background = Brushes.DarkGreen,
Foreground = Brushes.White
});
}
#endif
}
#if NO
// 第二部分，列出超额的信息
if (overflow_titles.Count > 0)
{
var p = BuildOverflowParagraph(overflow_titles);
doc.Blocks.Add(p);
}
#endif
// 检查超额图书
List <string> overflow_titles = new List <string>();
actions.ForEach(item =>
{
if (item.Action == "borrow" && item.SyncErrorCode == "overflow")
{
overflow_titles.Add($"{ShortTitle(item.Entity.Title)} [{ShelfData.GetPiiString(item.Entity)}]");
}
});
// 显示超额的信息
if (overflow_titles.Count > 0)
{
var p = doc.BuildOverflowParagraph(overflow_titles);
// p.Tag = "#overflow";
doc.Blocks.Add(p);
// 语音提醒
App.CurrentApp.SpeakSequence("警告：借书超额");
}
else
{
// 超额信息的占位符
var p = new Paragraph();
p.FontSize = 0.1;
p.Margin = new Thickness();
p.Padding = new Thickness();
p.Tag = OVERFLOW_ID; // "#overflow";
doc.Blocks.Add(p);
}
// 第三部分，列出每一笔操作
int index = 0;
foreach (var action in actions)
{
var p = BuildParagraph(action, index, baseFontSize, style);
if (p != null)
{
doc.Blocks.Add(p);
index++;
}
}
#if NO
// 构造提示语音
List <string> speaks = new List <string>();
if (overflow_titles.Count > 0)
{
speaks.Add($"警告：有 {overflow_titles.Count} 册图书超越许可册数，请放回书柜，谢谢");
}
if (speaks.Count == 0)
{
speaks.Add("操作完成"); // TODO：可否增加姓名和借还册数？例如 王立文借书 5 册成功
}
speak = StringUtil.MakePathList(speaks, "; ");
#endif
return(doc);
}
// 刷新显示
// 把 actions 中的对象的状态变化更新到当前文档中
// TODO: 一个办法是整个 Paragraph 替换。一个办法只替换里面的部分 InLine 对象
// parameters:
// actions 发生了状态改变的 action。也就是被执行同步了的 action
// skipped 被跳过了(没有处理的) action
public void Refresh(List <ActionInfo> actions)
{
// 更新 _actions 中的对象
int count = 0;
foreach (var action in actions)
{
var old_action = _actions.Where(o => o.ID == action.ID).FirstOrDefault();
if (old_action != null)
{
int index = _actions.IndexOf(old_action);
Debug.Assert(index != -1, "");
if (index != -1)
{
_actions.RemoveAt(index);
_actions.Insert(index, action);
count++;
}
}
}
if (count == 0)
{
return;
}
{
// 检查超额图书
List <string> overflow_titles = new List <string>();
_actions.ForEach(item =>
{
if (item.Action == "borrow" && item.SyncErrorCode == "overflow")
{
overflow_titles.Add($"{ShortTitle(item.Entity.Title)} [{ShelfData.GetPiiString(item.Entity)}]");
}
});
// 显示超额的信息
if (overflow_titles.Count > 0)
{
// 定位 Paragraph
var block = this.Blocks.Where(o =>
{
if (!(o.Tag is string id))
{
return(false);
}
return(id == OVERFLOW_ID);
}).FirstOrDefault();
// block 不应为 null。替代方法：
if (block == null)
{
// TODO: 在适当位置插入标志段落
throw new Exception("#overflow 标志段落没有找到");
}
var p = BuildOverflowParagraph(overflow_titles);
this.Blocks.InsertBefore(block, p);
this.Blocks.Remove(block);
// 语音提醒
App.CurrentApp.SpeakSequence("警告：借书超额");
}
}
foreach (var action in actions)
{
// 定位 Paragraph
var block = this.Blocks.Where(o =>
{
if (!(o.Tag is ParagraphInfo info))
{
return(false);
}
return(info.Action.ID == action.ID);
})
.FirstOrDefault();
if (block == null)
{
continue;
}
// 替换 Paragraph
{
if (!(block.Tag is ParagraphInfo old_info))
{
continue;
}
var new_block = BuildParagraph(action, old_info.Index, this.BaseFontSize, this.BuildStyle);
this.Blocks.InsertBefore(block, new_block);
this.Blocks.Remove(block);
}
}
}
public static bool GetBackLampState()
{
return(ShelfData.GetLampState("back"));
}
public static void TurnBackLampOff()
{
ShelfData.TurnLamp("back", "off");
}
public static void TurnBackLampOn()
{
ShelfData.TurnLamp("back", "on");
}