void ProcessTag(TagAndData tag)
{
var entity = InventoryData.AddEntity(tag, out bool isNewly);
var info = entity.Tag as ProcessInfo;
if (info == null)
{
info = new ProcessInfo();
entity.Tag = info;
}
if (isNewly)
{
App.Invoke(new Action(() =>
{
_entities.Add(entity);
}));
}
if (string.IsNullOrEmpty(entity.PII) == false &&
string.IsNullOrEmpty(info.State))
{
info.State = "processing";
InventoryData.AppendList(entity);
InventoryData.ActivateInventory();
}
}
// SetBorrowed("") 可以清除列表
public void SetBorrowed(string patron_xml)
{
_borrowedEntities.Clear();
if (string.IsNullOrEmpty(patron_xml) == false)
{
XmlDocument dom = new XmlDocument();
dom.LoadXml(patron_xml);
// 用 hashtable 保存一下每个 entity 的原始序
// Hashtable originIndexTable = new Hashtable();
int i = 0; // 插入位置
// List<Entity> entities = new List<Entity>();
XmlNodeList borrows = dom.DocumentElement.SelectNodes("borrows/borrow");
foreach (XmlElement borrow in borrows)
{
string barcode = borrow.GetAttribute("barcode");
string oi = borrow.GetAttribute("oi");
string overflow = borrow.GetAttribute("overflow");
// 2020/7/26
string borrowInfo = null;
{
string borrowDate = borrow.GetAttribute("borrowDate");
string returningDate = borrow.GetAttribute("returningDate");
string period = borrow.GetAttribute("borrowPeriod");
if (string.IsNullOrEmpty(borrowDate))
{
borrowInfo = null;
}
else
{
borrowInfo = $"借书日期:\t{Entity.ToDate(borrowDate)}\n期限:\t\t{period}\n应还日期:\t{Entity.ToDate(returningDate)}";
}
}
var new_entity = new Entity
{
PII = barcode,
OI = oi, // 2020/9/8
Container = _borrowedEntities,
BorrowInfo = borrowInfo
};
// 2020/4/17 不用排序，在添加时临时决定是插入到前部还是追加
if (IsState(new_entity, "overflow") == true ||
string.IsNullOrEmpty(overflow) == false)
{
SetState(new_entity, "overflow");
_borrowedEntities.Insert(i++, new_entity);
}
else
{
_borrowedEntities.Add(new_entity);
}
}
}
}
// 初始化时列出当前馆藏地应有的全部图书
// 本函数中，只给 Entity 对象里面设置好了 PII，其他成员尚未设置
static void FillLocationBooks(EntityCollection entities,
string location,
CancellationToken token)
{
var channel = App.CurrentApp.GetChannel();
try
{
long lRet = channel.SearchItem(null,
"<全部>",
location,
5000,
"馆藏地点",
"exact",
"zh",
"shelfResultset",
"",
"",
out string strError);
if (lRet == -1)
{
throw new ChannelException(channel.ErrorCode, strError);
}
string strStyle = "id,cols,format:@coldef:*/barcode|*/borrower";
ResultSetLoader loader = new ResultSetLoader(channel,
null,
"shelfResultset",
strStyle,
"zh");
foreach (DigitalPlatform.LibraryClient.localhost.Record record in loader)
{
token.ThrowIfCancellationRequested();
string pii = record.Cols[0];
Application.Current.Dispatcher.Invoke(new Action(() =>
{
entities.Add(pii);
}));
}
}
finally
{
App.CurrentApp.ReturnChannel(channel);
}
}
public void SetBorrowed(string patron_xml)
{
_borrowedEntities.Clear();
XmlDocument dom = new XmlDocument();
dom.LoadXml(patron_xml);
XmlNodeList borrows = dom.DocumentElement.SelectNodes("borrows/borrow");
foreach (XmlElement borrow in borrows)
{
string barcode = borrow.GetAttribute("barcode");
_borrowedEntities.Add(new Entity {
PII = barcode, Container = _borrowedEntities
});
}
}
// SetBorrowed("") 可以清除列表
public void SetBorrowed(string patron_xml)
{
_borrowedEntities.Clear();
if (string.IsNullOrEmpty(patron_xml) == false)
{
XmlDocument dom = new XmlDocument();
dom.LoadXml(patron_xml);
// 用 hashtable 保存一下每个 entity 的原始序
// Hashtable originIndexTable = new Hashtable();
int i = 0; // 插入位置
// List<Entity> entities = new List<Entity>();
XmlNodeList borrows = dom.DocumentElement.SelectNodes("borrows/borrow");
foreach (XmlElement borrow in borrows)
{
string barcode = borrow.GetAttribute("barcode");
string overflow = borrow.GetAttribute("overflow");
var new_entity = new Entity {
PII = barcode, Container = _borrowedEntities
};
// 2020/4/17 不用排序，在添加时临时决定是插入到前部还是追加
if (IsState(new_entity, "overflow") == true ||
string.IsNullOrEmpty(overflow) == false)
{
SetState(new_entity, "overflow");
_borrowedEntities.Insert(i++, new_entity);
}
else
{
_borrowedEntities.Add(new_entity);
}
}
}
}
// 筛选出需要 GetTagInfo() 的那些标签
async Task FilterTags(BaseChannel <IRfid> channel, List <TagAndData> tags)
{
// PII 尚为空的那些 entities
List <Entity> empty_piis = new List <Entity>();
// 其他 entities
List <Entity> rests = new List <Entity>();
foreach (var tag in tags)
{
var entity = InventoryData.AddEntity(tag, out bool isNewly);
var info = entity.Tag as ProcessInfo;
if (info == null)
{
info = new ProcessInfo();
entity.Tag = info;
}
if (isNewly)
{
App.Invoke(new Action(() =>
{
_entities.Add(entity);
}));
}
if (string.IsNullOrEmpty(entity.PII))
{
empty_piis.Add(entity);
}
else
{
// 对 PII 不为空的，但有任务没有完成的，要加入列表寻求再次被后台处理
rests.Add(entity);
/*
* if (info.IsLocation == false)
* {
* InventoryData.AppendList(entity);
* InventoryData.ActivateInventory();
* }
*/
}
// 如果发现 PII 不为空的层架标，要用于切换当前 CurrentShelfNo
if (info != null && info.IsLocation == true)
{
SwitchCurrentShelfNo(entity);
if (isNewly == false)
{
App.Invoke(new Action(() =>
{
_entities.MoveToTail(entity);
}));
}
}
}
// 准备音阶
SoundMaker.InitialSequence(empty_piis.Count);
bool speaked = false;
// 集中 GetTagInfo()
foreach (var entity in empty_piis)
{
var info = entity.Tag as ProcessInfo;
SoundMaker.NextSound();
FillEntity(channel, entity,
(e) =>
{
// 说过一次便不再说
if (speaked == true)
{
return(false);
}
speaked = SpeakLocation(e);
return(speaked);
});
// 进入后台队列
if (string.IsNullOrEmpty(entity.PII) == false &&
info.IsLocation == false)
{
InventoryData.AppendList(entity);
InventoryData.ActivateInventory();
}
}
// 停止音阶响声
SoundMaker.StopCurrent();
// 其余的也要进入后台队列
foreach (var entity in rests)
{
var info = entity.Tag as ProcessInfo;
if (info.IsLocation == true)
{
continue;
}
// 尝试重新赋予目标 location 和 currentLocation，观察参数是否发生变化、重做后台任务
var old_targetLocation = info.TargetLocation;
var old_targetShelfNo = info.TargetShelfNo;
var old_targetCurrentLocation = info.TargetCurrentLocation;
var result = SetTargetCurrentLocation(info);
if (result.Value != -1)
{
if (old_targetLocation != info.TargetLocation ||
old_targetShelfNo != info.TargetShelfNo ||
old_targetCurrentLocation != info.TargetCurrentLocation)
{
// 删除条目，这样可以迫使用新 target 重做后台任务
info.SetTaskInfo("setLocation", null);
// 视觉上移动到最末行，让操作者意识到发生了重做后台任务
App.Invoke(new Action(() =>
{
_entities.MoveToTail(entity);
}));
}
}
if (string.IsNullOrEmpty(entity.PII) == false &&
info.IsLocation == false)
{
InventoryData.AppendList(entity);
InventoryData.ActivateInventory();
}
}
// 2020/11/9
// 执行修改 EAS 任务
foreach (var entity in rests)
{
var info = entity.Tag as ProcessInfo;
// 如果有以前尚未执行成功的修改 EAS 的任务，则尝试再执行一次
if (info != null &&
info.TargetEas != null &&
info.ContainTask("changeEAS") == true &&
info.IsTaskCompleted("changeEAS") == false)
{
try
{
if (info.TargetEas == "?")
{
await InventoryData.VerifyEasAsync(entity);
}
else
{
// TODO: 记载轮空和出错的次数。
// result.Value
// -1 出错
// 0 标签不在读卡器上所有没有执行
// 1 成功执行修改
await InventoryData.TryChangeEasAsync(entity, info.TargetEas == "on");
}
}
catch (Exception ex)
{
WpfClientInfo.WriteErrorLog($"FilterTags() 出现异常: {ExceptionUtil.GetDebugText(ex)}");
App.SetError("processing", $"FilterTags() 出现异常: {ex.Message}");
}
}
}
}
// 筛选出需要 GetTagInfo() 的那些标签
void FilterTags(BaseChannel <IRfid> channel, List <TagAndData> tags)
{
List <Entity> entities1 = new List <Entity>();
List <Entity> all = new List <Entity>();
foreach (var tag in tags)
{
var entity = InventoryData.AddEntity(tag, out bool isNewly);
var info = entity.Tag as ProcessInfo;
if (info == null)
{
info = new ProcessInfo();
entity.Tag = info;
}
if (isNewly)
{
App.Invoke(new Action(() =>
{
_entities.Add(entity);
}));
}
if (string.IsNullOrEmpty(entity.PII))
{
entities1.Add(entity);
}
all.Add(entity);
}
// 准备音阶
SoundMaker.InitialSequence(entities1.Count);
bool speaked = false;
// 集中 GetTagInfo()
foreach (var entity in entities1)
{
SoundMaker.NextSound();
FillEntity(channel, entity,
(e) =>
{
// 说过一次便不再说
if (speaked == true)
{
return(false);
}
speaked = SpeakLocation(e);
return(speaked);
});
}
// 停止音阶响声
SoundMaker.StopCurrent();
// 获取题名等
foreach (var entity in all)
{
var info = entity.Tag as ProcessInfo;
if (string.IsNullOrEmpty(entity.PII) == false &&
string.IsNullOrEmpty(info.State))
{
info.State = "processing"; // 正在获取册信息
InventoryData.AppendList(entity);
InventoryData.ActivateInventory();
}
}
}