| private static CacheKey ( System.Guid guid ) : string | ||
| guid | System.Guid | The unique identifier. |
| return | string | |
/// <summary>
/// Reads the specified label by id.
/// </summary>
/// <param name="id">The id.</param>
/// <returns></returns>
public static KioskLabel Read(int id)
{
string cacheKey = KioskLabel.CacheKey(id);
ObjectCache cache = MemoryCache.Default;
KioskLabel label = cache[cacheKey] as KioskLabel;
if (label != null)
{
return(label);
}
else
{
var file = new BinaryFileService().Get(id);
if (file != null)
{
label = new KioskLabel();
label.Guid = file.Guid;
label.Url = string.Format("{0}GetFile.ashx?{1}", System.Web.VirtualPathUtility.ToAbsolute("~"), file.Id);
label.MergeFields = new Dictionary <string, string>();
label.FileContent = System.Text.Encoding.Default.GetString(file.Data.Content);
file.LoadAttributes();
string attributeValue = file.GetAttributeValue("MergeCodes");
if (!string.IsNullOrWhiteSpace(attributeValue))
{
string[] nameValues = attributeValue.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string nameValue in nameValues)
{
string[] nameAndValue = nameValue.Split(new char[] { '^' }, StringSplitOptions.RemoveEmptyEntries);
if (nameAndValue.Length == 2 && !label.MergeFields.ContainsKey(nameAndValue[0]))
{
label.MergeFields.Add(nameAndValue[0], nameAndValue[1]);
int definedValueId = int.MinValue;
if (int.TryParse(nameAndValue[1], out definedValueId))
{
var definedValue = DefinedValueCache.Read(definedValueId);
if (definedValue != null)
{
string mergeField = definedValue.GetAttributeValue("MergeField");
if (mergeField != null)
{
label.MergeFields[nameAndValue[0]] = mergeField;
}
}
}
}
}
}
var cachePolicy = new CacheItemPolicy();
cachePolicy.AbsoluteExpiration = DateTimeOffset.Now.AddSeconds(60);
cache.Set(cacheKey, label, cachePolicy);
return(label);
}
}
return(null);
}
/// <summary>
/// Flushes the specified guid.
/// </summary>
/// <param name="guid">The unique identifier.</param>
public static void Flush(Guid guid)
{
RockMemoryCache cache = RockMemoryCache.Default;
cache.Remove(KioskLabel.CacheKey(guid));
}
/// <summary>
/// Flushes the specified id.
/// </summary>
/// <param name="id">The id.</param>
public static void Flush(int id)
{
ObjectCache cache = MemoryCache.Default;
cache.Remove(KioskLabel.CacheKey(id));
}
/// <summary>
/// Reads the specified label by guid.
/// </summary>
/// <param name="guid">The unique identifier.</param>
/// <returns></returns>
public static KioskLabel Read(Guid guid)
{
string cacheKey = KioskLabel.CacheKey(guid);
RockMemoryCache cache = RockMemoryCache.Default;
KioskLabel label = cache[cacheKey] as KioskLabel;
if (label != null)
{
return(label);
}
else
{
using (var rockContext = new RockContext())
{
var file = new BinaryFileService(rockContext).Get(guid);
if (file != null)
{
label = new KioskLabel();
label.Guid = file.Guid;
label.Url = string.Format("{0}GetFile.ashx?id={1}", System.Web.VirtualPathUtility.ToAbsolute("~"), file.Id);
label.MergeFields = new Dictionary <string, string>();
label.FileContent = file.ContentsToString();
file.LoadAttributes(rockContext);
label.LabelType = file.GetAttributeValue("core_LabelType").ConvertToEnum <KioskLabelType>();
string attributeValue = file.GetAttributeValue("MergeCodes");
if (!string.IsNullOrWhiteSpace(attributeValue))
{
string[] nameValues = attributeValue.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string nameValue in nameValues)
{
string[] nameAndValue = nameValue.Split(new char[] { '^' }, StringSplitOptions.RemoveEmptyEntries);
if (nameAndValue.Length == 2 && !label.MergeFields.ContainsKey(nameAndValue[0]))
{
label.MergeFields.Add(nameAndValue[0], nameAndValue[1]);
int definedValueId = int.MinValue;
if (int.TryParse(nameAndValue[1], out definedValueId))
{
var definedValue = DefinedValueCache.Read(definedValueId);
if (definedValue != null)
{
string mergeField = definedValue.GetAttributeValue("MergeField");
if (mergeField != null)
{
label.MergeFields[nameAndValue[0]] = mergeField;
}
}
}
}
}
}
cache.Set(cacheKey, label, new CacheItemPolicy {
AbsoluteExpiration = DateTimeOffset.Now.Date.AddDays(1)
});
return(label);
}
}
}
return(null);
}