/// <summary>
/// Получает все данные из хранилища касаемые данного владельца с заданным типом.
/// </summary>
/// <param name="owner">Владелец данных. Обычно приложение или сервис.</param>
/// <param name="type">Тип данных.</param>
/// <param name="infos">Полученная информация из хранилища.</param>
public void Get(StoreOwner owner, StoreType type, out List <StorageItemInfo> infos)
{
string header = "GetData";
// Получаем атрибуты элементов перечислений.
OwnerAttribute ownerAttribute = GetStoreOwnerTextAttribute(owner);
TypeAttribute typeAttribute = GetStoreTypeTextAttribute(type);
infos = new List <StorageItemInfo>();
// Проверяем входные параметры.
if (ownerAttribute == null || typeAttribute == null)
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Error, header, "Incorrect input parameters."));
return;
}
// Получаем специальное имя каталога и входящие в него файлы.
DirectoryInfo di = new DirectoryInfo(StorageDirectory + "\\" + ownerAttribute.Name);
if (di.Exists)
{
foreach (FileInfo fi in di.GetFiles("*.xml"))
{
bool result = true;
string filename = fi.FullName;
try
{
XDocument xdoc = XDocument.Load(fi.FullName);
if (xdoc.Root.ExistAs("storage") && xdoc.Root.Element("data") != null)
{
string readedId = xdoc.Root.Attribute("ID").GetXValue(null);
string readedTicks = xdoc.Root.Attribute("Saved").GetXValue(null);
string readedOwner = xdoc.Root.Attribute("Owner").GetXValue(null);
string readedType = xdoc.Root.Attribute("Type").GetXValue(null);
if (readedOwner != ownerAttribute.Name)
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Error, header, "Object:" + ownerAttribute.Name + "::" + typeAttribute.Name + ". Incorrect file structure: " + fi.FullName + ". Requested Owner = " + ownerAttribute.Name + "<> Readed Owner = " + readedOwner));
result = false;
}
if (readedType != typeAttribute.Name)
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Error, header, "Object:" + ownerAttribute.Name + "::" + typeAttribute.Name + ". Incorrect file structure: " + fi.FullName + ". Requested Type = " + typeAttribute.Name + "<> Readed Type = " + readedType));
result = false;
}
if (readedTicks == null || !readedTicks.All(c => Char.IsDigit(c)))
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Error, header, "Object:" + ownerAttribute.Name + "::" + typeAttribute.Name + ". Incorrect file structure: " + fi.FullName + ". Readed DateTime Stamp is not correct."));
result = false;
}
if (result)
{
StorageItemInfo info = new StorageItemInfo(owner, type, readedId, new DateTime(Convert.ToInt64(readedTicks)), true, xdoc.Root.Element("data"));
infos.Add(info);
}
}
}
catch
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Error, header, "Object:" + ownerAttribute.Name + "::" + typeAttribute.Name + "::" + ". Can not to read file: " + fi.FullName + "."));
}
}
}
else
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Warning, header, "Object:" + ownerAttribute.Name + "::" + typeAttribute.Name + "::" + ". Folder not found: " + di.FullName + "."));
}
}
/* ======================================================================================== */
#endregion
#region [ PUBLIC METHODS ]
/* ======================================================================================== */
/// <summary>
/// Сохраняет данные *.xml в хранилище.
/// </summary>
/// <param name="owner">Владелец данных. Обычно приложение или сервис.</param>
/// <param name="type">Тип данных.</param>
/// <param name="id">Иденификатор данных.</param>
/// <param name="xelem">Фрагмент *.xml данных.</param>
/// <returns></returns>
public bool Put(StoreOwner owner, StoreType type, string id, XElement xelem)
{
string header = "PutData";
// Получаем атрибуты элементов перечислений.
OwnerAttribute ownerAttribute = GetStoreOwnerTextAttribute(owner);
TypeAttribute typeAttribute = GetStoreTypeTextAttribute(type);
string curr_id = "";
if (id != null && id.Trim() != "")
{
curr_id = id;
}
// Проверяем входные параметры.
if (xelem == null || ownerAttribute == null || typeAttribute == null)
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Error, header, "Incorrect input parameters."));
return(false);
}
// Получаем специальное имя файла.
string filename = GetFileName(type, curr_id);
// Формируем корневые xml элементы
XElement xstore = new XElement("storage");
xstore.Add(new XAttribute("Owner", ownerAttribute.Name));
xstore.Add(new XAttribute("Type", typeAttribute.Name));
xstore.Add(new XAttribute("ID", curr_id));
xstore.Add(new XAttribute("Saved", DateTime.Now.Ticks.ToString()));
XElement xdata = new XElement("data");
xstore.Add(xdata);
xdata.Add(xelem);
// Проверяем создана ли специфическая директория для файла, если нет то создаем ее.
DirectoryInfo di = new DirectoryInfo(StorageDirectory + "\\" + ownerAttribute.Name);
if (!di.Exists)
{
try
{
di.Create();
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Info, header, "Object:" + ownerAttribute.Name + "::" + typeAttribute.Name + "::" + curr_id + ". Folder was created: " + di.FullName + "."));
}
catch
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Error, header, "Object:" + ownerAttribute.Name + "::" + typeAttribute.Name + "::" + curr_id + ". Imposible to create folder: " + di.FullName + "."));
return(false);
}
}
// Сохраняем данные в xml файл.
string fileName = di.FullName + "\\" + filename;
try
{
XDocument xdoc = new XDocument();
xdoc.Add(xstore);
xdoc.Save(fileName);
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Info, header, "Object:" + ownerAttribute.Name + "::" + typeAttribute.Name + "::" + curr_id + ". XML file was created: " + fileName + "."));
return(true);
}
catch
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Error, header, "Object:" + ownerAttribute.Name + "::" + typeAttribute.Name + "::" + curr_id + ". Imposible to create XML file: " + fileName + "."));
return(false);
}
}
/// <summary>
/// Получает данные из хранилища по конкретному идентификатору.
/// </summary>
/// <param name="owner">Владелец данных. Обычно приложение или сервис.</param>
/// <param name="type">>Тип данных.</param>
/// <param name="curr_id">Иденификатор данных.</param>
/// <param name="info">Полученная информация из хранилища.</param>
/// <returns></returns>
public bool Get(StoreOwner owner, StoreType type, string id, out StorageItemInfo info)
{
string header = "GetData";
string curr_id = "";
if (id != null && id.Trim() != "")
{
curr_id = id;
}
info = new StorageItemInfo(owner, type, curr_id, null, null, null);
// Получаем атрибуты элементов перечислений.
OwnerAttribute ownerAttribute = GetStoreOwnerTextAttribute(owner);
TypeAttribute typeAttribute = GetStoreTypeTextAttribute(type);
// Проверяем входные параметры.
if (ownerAttribute == null || typeAttribute == null)
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Error, header, "Incorrect input parameters."));
return(false);
}
// Получаем специальное имя файла.
string filename = GetFileName(type, curr_id);
// Проверяем существует ли данный файл и проверяем его содержимое.
FileInfo fi = new FileInfo(StorageDirectory + "\\" + ownerAttribute.Name + "\\" + filename);
if (fi.Exists)
{
try
{
XDocument xdoc = XDocument.Load(fi.FullName);
if (xdoc.Root.ExistAs("storage") && xdoc.Root.Element("data") != null)
{
string readedId = xdoc.Root.Attribute("ID").GetXValue(null);
string readedTicks = xdoc.Root.Attribute("Saved").GetXValue(null);
string readedOwner = xdoc.Root.Attribute("Owner").GetXValue(null);
string readedType = xdoc.Root.Attribute("Type").GetXValue(null);
if (readedOwner != ownerAttribute.Name)
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Error, header, "Object:" + ownerAttribute.Name + "::" + typeAttribute.Name + "::" + curr_id + ". Incorrect file structure: " + fi.FullName + ". Requested Owner = " + ownerAttribute.Name + "<> Readed Owner = " + readedOwner));
return(false);
}
if (readedType != typeAttribute.Name)
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Error, header, "Object:" + ownerAttribute.Name + "::" + typeAttribute.Name + "::" + curr_id + ". Incorrect file structure: " + fi.FullName + ". Requested Type = " + typeAttribute.Name + "<> Readed Type = " + readedType));
return(false);
}
if (readedTicks == null || !readedTicks.All(c => Char.IsDigit(c)))
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Error, header, "Object:" + ownerAttribute.Name + "::" + typeAttribute.Name + "::" + curr_id + ". Incorrect file structure: " + fi.FullName + ". Readed DateTime Stamp is not correct."));
return(false);
}
if (curr_id != readedId)
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Error, header, "Object:" + ownerAttribute.Name + "::" + typeAttribute.Name + "::" + curr_id + ". Incorrect file structure: " + fi.FullName + ". Requested ID = " + curr_id + "<> Readed ID = " + readedId));
return(false);
}
info = new StorageItemInfo(owner, type, curr_id, new DateTime(Convert.ToInt64(readedTicks)), true, xdoc.Root.Element("data"));
return(true);
}
else
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Error, header, "Object:" + ownerAttribute.Name + "::" + typeAttribute.Name + "::" + curr_id + ". Incorrect file structure: " + fi.FullName + "."));
return(false);
}
}
catch
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Error, header, "Object:" + ownerAttribute.Name + "::" + typeAttribute.Name + "::" + curr_id + ". Can not to read file: " + fi.FullName + "."));
return(false);
}
}
else
{
Event_Message(new MessageEventArgs(this, MessageEventArgsType.Warning, header, "Object:" + ownerAttribute.Name + "::" + typeAttribute.Name + "::" + curr_id + ". File not found: " + fi.FullName + "."));
return(false);
}
}