private static bool IsColumnNameProfileImage(string columnName)
{
var result = false;
if (PoliticiansImagesBlobs.TryGetColumn(columnName, out var column))
{
var politicianImageInfo =
PoliticianImageInfoList.SingleOrDefault(
info => info.BlobsColumn == column);
if (politicianImageInfo != null)
{
result = politicianImageInfo.IsProfile;
}
}
return(result);
}
internal static byte[] GetPoliticianImage(string politicianKey,
string columnName, string defaultColumnName, bool noCache)
{
byte[] blob;
if (noCache)
{
// Validate the columnName and get the column enum from the columnName
PoliticiansImagesBlobs.Column column;
if (columnName == null ||
!PoliticiansImagesBlobs.TryGetColumn(columnName, out column))
{
return(null);
}
// The following will be null if the politicianKey is bad, if the image doesn't
// exist, or if a valid but non-image column name was passed
blob = PoliticiansImagesBlobs.GetColumn(column, politicianKey) as byte[];
// Optional recursive call to return the appropriate NoPhoto image if
// the requested image not found
if (!string.IsNullOrWhiteSpace(defaultColumnName) && blob == null)
{
// if the defaultColumnName is invalid, use the original column
if (!PoliticiansImagesBlobs.TryGetColumn(defaultColumnName, out column))
{
defaultColumnName = columnName;
}
blob = GetPoliticianImage("NoPhoto", defaultColumnName, null, true);
}
}
else // normal caching
{
// Validate the columnName and get the column enum from the columnName
DB.VoteImagesLocal.PoliticiansImagesBlobs.Column column;
if (columnName == null ||
!DB.VoteImagesLocal.PoliticiansImagesBlobs.TryGetColumn(columnName,
out column))
{
return(null);
}
// The following will be null if the politicianKey is bad, if the image doesn't
// exist, or if a valid but non-image column name was passed
blob =
DB.VoteImagesLocal.PoliticiansImagesBlobs.GetColumn(column, politicianKey)
as byte[];
// Optional recursive call to return the appropriate NoPhoto image if
// the requested image not found
if (!string.IsNullOrWhiteSpace(defaultColumnName) && blob == null)
{
// make sure the NoPhoto image has been cached
if (
!DB.VoteImagesLocal.PoliticiansImagesData.PoliticianKeyExists("NoPhoto"))
{
CopyCommonDataToLocal("NoPhoto");
}
// if the defaultColumnName is invalid, use the original column
if (
!DB.VoteImagesLocal.PoliticiansImagesBlobs.TryGetColumn(
defaultColumnName, out column))
{
defaultColumnName = columnName;
}
blob = GetPoliticianImage("NoPhoto", defaultColumnName, null, false);
}
}
return(blob);
}
